1103a8feaSLen Brown /* 2103a8feaSLen Brown * turbostat -- show CPU frequency and C-state residency 3103a8feaSLen Brown * on modern Intel turbo-capable processors. 4103a8feaSLen Brown * 5144b44b1SLen Brown * Copyright (c) 2013 Intel Corporation. 6103a8feaSLen Brown * Len Brown <len.brown@intel.com> 7103a8feaSLen Brown * 8103a8feaSLen Brown * This program is free software; you can redistribute it and/or modify it 9103a8feaSLen Brown * under the terms and conditions of the GNU General Public License, 10103a8feaSLen Brown * version 2, as published by the Free Software Foundation. 11103a8feaSLen Brown * 12103a8feaSLen Brown * This program is distributed in the hope it will be useful, but WITHOUT 13103a8feaSLen Brown * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14103a8feaSLen Brown * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15103a8feaSLen Brown * more details. 16103a8feaSLen Brown * 17103a8feaSLen Brown * You should have received a copy of the GNU General Public License along with 18103a8feaSLen Brown * this program; if not, write to the Free Software Foundation, Inc., 19103a8feaSLen Brown * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 20103a8feaSLen Brown */ 21103a8feaSLen Brown 2288c3281fSLen Brown #define _GNU_SOURCE 23b731f311SJosh Triplett #include MSRHEADER 24869ce69eSLen Brown #include INTEL_FAMILY_HEADER 2595aebc44SJosh Triplett #include <stdarg.h> 26103a8feaSLen Brown #include <stdio.h> 27b2c95d90SJosh Triplett #include <err.h> 28103a8feaSLen Brown #include <unistd.h> 29103a8feaSLen Brown #include <sys/types.h> 30103a8feaSLen Brown #include <sys/wait.h> 31103a8feaSLen Brown #include <sys/stat.h> 32103a8feaSLen Brown #include <sys/resource.h> 33103a8feaSLen Brown #include <fcntl.h> 34103a8feaSLen Brown #include <signal.h> 35103a8feaSLen Brown #include <sys/time.h> 36103a8feaSLen Brown #include <stdlib.h> 37d8af6f5fSLen Brown #include <getopt.h> 38103a8feaSLen Brown #include <dirent.h> 39103a8feaSLen Brown #include <string.h> 40103a8feaSLen Brown #include <ctype.h> 4188c3281fSLen Brown #include <sched.h> 422a0609c0SLen Brown #include <time.h> 432b92865eSJosh Triplett #include <cpuid.h> 4498481e79SLen Brown #include <linux/capability.h> 4598481e79SLen Brown #include <errno.h> 46103a8feaSLen Brown 47103a8feaSLen Brown char *proc_stat = "/proc/stat"; 48b7d8c148SLen Brown FILE *outf; 4936229897SLen Brown int *fd_percpu; 502a0609c0SLen Brown struct timespec interval_ts = {5, 0}; 51d8af6f5fSLen Brown unsigned int debug; 5296e47158SLen Brown unsigned int quiet; 53d8af6f5fSLen Brown unsigned int rapl_joules; 54d8af6f5fSLen Brown unsigned int summary_only; 55d8af6f5fSLen Brown unsigned int dump_only; 56103a8feaSLen Brown unsigned int do_snb_cstates; 57fb5d4327SDasaratharaman Chandramouli unsigned int do_knl_cstates; 580b2bb692SLen Brown unsigned int do_skl_residency; 59144b44b1SLen Brown unsigned int do_slm_cstates; 60144b44b1SLen Brown unsigned int use_c1_residency_msr; 61103a8feaSLen Brown unsigned int has_aperf; 62889facbeSLen Brown unsigned int has_epb; 635a63426eSLen Brown unsigned int do_irtl_snb; 645a63426eSLen Brown unsigned int do_irtl_hsw; 65fc04cc67SLen Brown unsigned int units = 1000000; /* MHz etc */ 66103a8feaSLen Brown unsigned int genuine_intel; 67103a8feaSLen Brown unsigned int has_invariant_tsc; 68d7899447SLen Brown unsigned int do_nhm_platform_info; 69cf4cbe53SLen Brown unsigned int no_MSR_MISC_PWR_MGMT; 70b2b34dfeSHubert Chrzaniuk unsigned int aperf_mperf_multiplier = 1; 71103a8feaSLen Brown double bclk; 72a2b7b749SLen Brown double base_hz; 7321ed5574SLen Brown unsigned int has_base_hz; 74a2b7b749SLen Brown double tsc_tweak = 1.0; 75c98d5d94SLen Brown unsigned int show_pkg_only; 76c98d5d94SLen Brown unsigned int show_core_only; 77c98d5d94SLen Brown char *output_buffer, *outp; 78889facbeSLen Brown unsigned int do_rapl; 79889facbeSLen Brown unsigned int do_dts; 80889facbeSLen Brown unsigned int do_ptm; 81fdf676e5SLen Brown unsigned long long gfx_cur_rc6_ms; 8227d47356SLen Brown unsigned int gfx_cur_mhz; 83889facbeSLen Brown unsigned int tcc_activation_temp; 84889facbeSLen Brown unsigned int tcc_activation_temp_override; 8540ee8e3bSAndrey Semin double rapl_power_units, rapl_time_units; 8640ee8e3bSAndrey Semin double rapl_dram_energy_units, rapl_energy_units; 87889facbeSLen Brown double rapl_joule_counter_range; 883a9a941dSLen Brown unsigned int do_core_perf_limit_reasons; 893a9a941dSLen Brown unsigned int do_gfx_perf_limit_reasons; 903a9a941dSLen Brown unsigned int do_ring_perf_limit_reasons; 918a5bdf41SLen Brown unsigned int crystal_hz; 928a5bdf41SLen Brown unsigned long long tsc_hz; 937ce7d5deSPrarit Bhargava int base_cpu; 9421ed5574SLen Brown double discover_bclk(unsigned int family, unsigned int model); 957f5c258eSLen Brown unsigned int has_hwp; /* IA32_PM_ENABLE, IA32_HWP_CAPABILITIES */ 967f5c258eSLen Brown /* IA32_HWP_REQUEST, IA32_HWP_STATUS */ 977f5c258eSLen Brown unsigned int has_hwp_notify; /* IA32_HWP_INTERRUPT */ 987f5c258eSLen Brown unsigned int has_hwp_activity_window; /* IA32_HWP_REQUEST[bits 41:32] */ 997f5c258eSLen Brown unsigned int has_hwp_epp; /* IA32_HWP_REQUEST[bits 31:24] */ 1007f5c258eSLen Brown unsigned int has_hwp_pkg; /* IA32_HWP_REQUEST_PKG */ 10133148d67SLen Brown unsigned int has_misc_feature_control; 102889facbeSLen Brown 103889facbeSLen Brown #define RAPL_PKG (1 << 0) 104e6f9bb3cSLen Brown /* 0x610 MSR_PKG_POWER_LIMIT */ 105e6f9bb3cSLen Brown /* 0x611 MSR_PKG_ENERGY_STATUS */ 106e6f9bb3cSLen Brown #define RAPL_PKG_PERF_STATUS (1 << 1) 107e6f9bb3cSLen Brown /* 0x613 MSR_PKG_PERF_STATUS */ 108e6f9bb3cSLen Brown #define RAPL_PKG_POWER_INFO (1 << 2) 109e6f9bb3cSLen Brown /* 0x614 MSR_PKG_POWER_INFO */ 110e6f9bb3cSLen Brown 111889facbeSLen Brown #define RAPL_DRAM (1 << 3) 112e6f9bb3cSLen Brown /* 0x618 MSR_DRAM_POWER_LIMIT */ 113e6f9bb3cSLen Brown /* 0x619 MSR_DRAM_ENERGY_STATUS */ 114e6f9bb3cSLen Brown #define RAPL_DRAM_PERF_STATUS (1 << 4) 115e6f9bb3cSLen Brown /* 0x61b MSR_DRAM_PERF_STATUS */ 1160b2bb692SLen Brown #define RAPL_DRAM_POWER_INFO (1 << 5) 1170b2bb692SLen Brown /* 0x61c MSR_DRAM_POWER_INFO */ 118e6f9bb3cSLen Brown 1199148494cSJacob Pan #define RAPL_CORES_POWER_LIMIT (1 << 6) 120e6f9bb3cSLen Brown /* 0x638 MSR_PP0_POWER_LIMIT */ 1210b2bb692SLen Brown #define RAPL_CORE_POLICY (1 << 7) 122e6f9bb3cSLen Brown /* 0x63a MSR_PP0_POLICY */ 123e6f9bb3cSLen Brown 1240b2bb692SLen Brown #define RAPL_GFX (1 << 8) 125e6f9bb3cSLen Brown /* 0x640 MSR_PP1_POWER_LIMIT */ 126e6f9bb3cSLen Brown /* 0x641 MSR_PP1_ENERGY_STATUS */ 127e6f9bb3cSLen Brown /* 0x642 MSR_PP1_POLICY */ 1289148494cSJacob Pan 1299148494cSJacob Pan #define RAPL_CORES_ENERGY_STATUS (1 << 9) 1309148494cSJacob Pan /* 0x639 MSR_PP0_ENERGY_STATUS */ 1319148494cSJacob Pan #define RAPL_CORES (RAPL_CORES_ENERGY_STATUS | RAPL_CORES_POWER_LIMIT) 132889facbeSLen Brown #define TJMAX_DEFAULT 100 133889facbeSLen Brown 134889facbeSLen Brown #define MAX(a, b) ((a) > (b) ? (a) : (b)) 135103a8feaSLen Brown 136388e9c81SLen Brown /* 137388e9c81SLen Brown * buffer size used by sscanf() for added column names 138388e9c81SLen Brown * Usually truncated to 7 characters, but also handles 18 columns for raw 64-bit counters 139388e9c81SLen Brown */ 140388e9c81SLen Brown #define NAME_BYTES 20 141*495c7654SLen Brown #define PATH_BYTES 128 142388e9c81SLen Brown 143103a8feaSLen Brown int backwards_count; 144103a8feaSLen Brown char *progname; 145103a8feaSLen Brown 146c98d5d94SLen Brown cpu_set_t *cpu_present_set, *cpu_affinity_set; 147c98d5d94SLen Brown size_t cpu_present_setsize, cpu_affinity_setsize; 148678a3bd1SLen Brown #define MAX_ADDED_COUNTERS 16 149c98d5d94SLen Brown 150c98d5d94SLen Brown struct thread_data { 151c98d5d94SLen Brown unsigned long long tsc; 152c98d5d94SLen Brown unsigned long long aperf; 153c98d5d94SLen Brown unsigned long long mperf; 154144b44b1SLen Brown unsigned long long c1; 155562a2d37SLen Brown unsigned int irq_count; 1561ed51011SLen Brown unsigned int smi_count; 157c98d5d94SLen Brown unsigned int cpu_id; 158c98d5d94SLen Brown unsigned int flags; 159c98d5d94SLen Brown #define CPU_IS_FIRST_THREAD_IN_CORE 0x2 160c98d5d94SLen Brown #define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4 161678a3bd1SLen Brown unsigned long long counter[MAX_ADDED_COUNTERS]; 162c98d5d94SLen Brown } *thread_even, *thread_odd; 163c98d5d94SLen Brown 164c98d5d94SLen Brown struct core_data { 165c98d5d94SLen Brown unsigned long long c3; 166c98d5d94SLen Brown unsigned long long c6; 167c98d5d94SLen Brown unsigned long long c7; 1680539ba11SLen Brown unsigned long long mc6_us; /* duplicate as per-core for now, even though per module */ 169889facbeSLen Brown unsigned int core_temp_c; 170c98d5d94SLen Brown unsigned int core_id; 171678a3bd1SLen Brown unsigned long long counter[MAX_ADDED_COUNTERS]; 172c98d5d94SLen Brown } *core_even, *core_odd; 173c98d5d94SLen Brown 174c98d5d94SLen Brown struct pkg_data { 175c98d5d94SLen Brown unsigned long long pc2; 176c98d5d94SLen Brown unsigned long long pc3; 177c98d5d94SLen Brown unsigned long long pc6; 178c98d5d94SLen Brown unsigned long long pc7; 179ca58710fSKristen Carlson Accardi unsigned long long pc8; 180ca58710fSKristen Carlson Accardi unsigned long long pc9; 181ca58710fSKristen Carlson Accardi unsigned long long pc10; 1820b2bb692SLen Brown unsigned long long pkg_wtd_core_c0; 1830b2bb692SLen Brown unsigned long long pkg_any_core_c0; 1840b2bb692SLen Brown unsigned long long pkg_any_gfxe_c0; 1850b2bb692SLen Brown unsigned long long pkg_both_core_gfxe_c0; 1869185e988SLen Brown long long gfx_rc6_ms; 18727d47356SLen Brown unsigned int gfx_mhz; 188c98d5d94SLen Brown unsigned int package_id; 189889facbeSLen Brown unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */ 190889facbeSLen Brown unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */ 191889facbeSLen Brown unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */ 192889facbeSLen Brown unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */ 193889facbeSLen Brown unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */ 194889facbeSLen Brown unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */ 195889facbeSLen Brown unsigned int pkg_temp_c; 196678a3bd1SLen Brown unsigned long long counter[MAX_ADDED_COUNTERS]; 197c98d5d94SLen Brown } *package_even, *package_odd; 198c98d5d94SLen Brown 199c98d5d94SLen Brown #define ODD_COUNTERS thread_odd, core_odd, package_odd 200c98d5d94SLen Brown #define EVEN_COUNTERS thread_even, core_even, package_even 201c98d5d94SLen Brown 202c98d5d94SLen Brown #define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \ 203c98d5d94SLen Brown (thread_base + (pkg_no) * topo.num_cores_per_pkg * \ 204c98d5d94SLen Brown topo.num_threads_per_core + \ 205c98d5d94SLen Brown (core_no) * topo.num_threads_per_core + (thread_no)) 206c98d5d94SLen Brown #define GET_CORE(core_base, core_no, pkg_no) \ 207c98d5d94SLen Brown (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no)) 208c98d5d94SLen Brown #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no) 209c98d5d94SLen Brown 210388e9c81SLen Brown enum counter_scope {SCOPE_CPU, SCOPE_CORE, SCOPE_PACKAGE}; 211388e9c81SLen Brown enum counter_type {COUNTER_CYCLES, COUNTER_SECONDS}; 212388e9c81SLen Brown enum counter_format {FORMAT_RAW, FORMAT_DELTA, FORMAT_PERCENT}; 213388e9c81SLen Brown 214388e9c81SLen Brown struct msr_counter { 215388e9c81SLen Brown unsigned int msr_num; 216388e9c81SLen Brown char name[NAME_BYTES]; 217*495c7654SLen Brown char path[PATH_BYTES]; 218388e9c81SLen Brown unsigned int width; 219388e9c81SLen Brown enum counter_type type; 220388e9c81SLen Brown enum counter_format format; 221388e9c81SLen Brown struct msr_counter *next; 222812db3f7SLen Brown unsigned int flags; 223812db3f7SLen Brown #define FLAGS_HIDE (1 << 0) 224812db3f7SLen Brown #define FLAGS_SHOW (1 << 1) 225388e9c81SLen Brown }; 226388e9c81SLen Brown 227388e9c81SLen Brown struct sys_counters { 228678a3bd1SLen Brown unsigned int added_thread_counters; 229678a3bd1SLen Brown unsigned int added_core_counters; 230678a3bd1SLen Brown unsigned int added_package_counters; 231388e9c81SLen Brown struct msr_counter *tp; 232388e9c81SLen Brown struct msr_counter *cp; 233388e9c81SLen Brown struct msr_counter *pp; 234388e9c81SLen Brown } sys; 235388e9c81SLen Brown 236c98d5d94SLen Brown struct system_summary { 237c98d5d94SLen Brown struct thread_data threads; 238c98d5d94SLen Brown struct core_data cores; 239c98d5d94SLen Brown struct pkg_data packages; 240388e9c81SLen Brown } average; 241c98d5d94SLen Brown 242c98d5d94SLen Brown 243c98d5d94SLen Brown struct topo_params { 244c98d5d94SLen Brown int num_packages; 245103a8feaSLen Brown int num_cpus; 246c98d5d94SLen Brown int num_cores; 247c98d5d94SLen Brown int max_cpu_num; 248c98d5d94SLen Brown int num_cores_per_pkg; 249c98d5d94SLen Brown int num_threads_per_core; 250c98d5d94SLen Brown } topo; 251103a8feaSLen Brown 252c98d5d94SLen Brown struct timeval tv_even, tv_odd, tv_delta; 253103a8feaSLen Brown 254562a2d37SLen Brown int *irq_column_2_cpu; /* /proc/interrupts column numbers */ 255562a2d37SLen Brown int *irqs_per_cpu; /* indexed by cpu_num */ 256562a2d37SLen Brown 257c98d5d94SLen Brown void setup_all_buffers(void); 258103a8feaSLen Brown 259c98d5d94SLen Brown int cpu_is_not_present(int cpu) 260d15cf7c1SLen Brown { 261c98d5d94SLen Brown return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set); 262c98d5d94SLen Brown } 263c98d5d94SLen Brown /* 264c98d5d94SLen Brown * run func(thread, core, package) in topology order 265c98d5d94SLen Brown * skip non-present cpus 266c98d5d94SLen Brown */ 267c98d5d94SLen Brown 268c98d5d94SLen Brown int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *), 269c98d5d94SLen Brown struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base) 270c98d5d94SLen Brown { 271c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 272c98d5d94SLen Brown 273c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 274c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 275c98d5d94SLen Brown for (thread_no = 0; thread_no < 276c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 277c98d5d94SLen Brown struct thread_data *t; 278c98d5d94SLen Brown struct core_data *c; 279c98d5d94SLen Brown struct pkg_data *p; 280c98d5d94SLen Brown 281c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 282c98d5d94SLen Brown 283c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 284c98d5d94SLen Brown continue; 285c98d5d94SLen Brown 286c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 287c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 288c98d5d94SLen Brown 289c98d5d94SLen Brown retval = func(t, c, p); 290c98d5d94SLen Brown if (retval) 291c98d5d94SLen Brown return retval; 292c98d5d94SLen Brown } 293c98d5d94SLen Brown } 294c98d5d94SLen Brown } 295d15cf7c1SLen Brown return 0; 296d15cf7c1SLen Brown } 297d15cf7c1SLen Brown 29888c3281fSLen Brown int cpu_migrate(int cpu) 29988c3281fSLen Brown { 300c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 301c98d5d94SLen Brown CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set); 302c98d5d94SLen Brown if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1) 30388c3281fSLen Brown return -1; 30488c3281fSLen Brown else 30588c3281fSLen Brown return 0; 30688c3281fSLen Brown } 30736229897SLen Brown int get_msr_fd(int cpu) 308103a8feaSLen Brown { 309103a8feaSLen Brown char pathname[32]; 310103a8feaSLen Brown int fd; 311103a8feaSLen Brown 31236229897SLen Brown fd = fd_percpu[cpu]; 31336229897SLen Brown 31436229897SLen Brown if (fd) 31536229897SLen Brown return fd; 31636229897SLen Brown 317103a8feaSLen Brown sprintf(pathname, "/dev/cpu/%d/msr", cpu); 318103a8feaSLen Brown fd = open(pathname, O_RDONLY); 31915aaa346SLen Brown if (fd < 0) 32098481e79SLen Brown err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname); 321103a8feaSLen Brown 32236229897SLen Brown fd_percpu[cpu] = fd; 32336229897SLen Brown 32436229897SLen Brown return fd; 32536229897SLen Brown } 32636229897SLen Brown 32736229897SLen Brown int get_msr(int cpu, off_t offset, unsigned long long *msr) 32836229897SLen Brown { 32936229897SLen Brown ssize_t retval; 33036229897SLen Brown 33136229897SLen Brown retval = pread(get_msr_fd(cpu), msr, sizeof(*msr), offset); 33215aaa346SLen Brown 33398481e79SLen Brown if (retval != sizeof *msr) 334cf4cbe53SLen Brown err(-1, "cpu%d: msr offset 0x%llx read failed", cpu, (unsigned long long)offset); 33515aaa346SLen Brown 33615aaa346SLen Brown return 0; 337103a8feaSLen Brown } 338103a8feaSLen Brown 339fc04cc67SLen Brown /* 340812db3f7SLen Brown * Each string in this array is compared in --show and --hide cmdline. 341812db3f7SLen Brown * Thus, strings that are proper sub-sets must follow their more specific peers. 342fc04cc67SLen Brown */ 343812db3f7SLen Brown struct msr_counter bic[] = { 344812db3f7SLen Brown { 0x0, "Package" }, 345812db3f7SLen Brown { 0x0, "Avg_MHz" }, 346812db3f7SLen Brown { 0x0, "Bzy_MHz" }, 347812db3f7SLen Brown { 0x0, "TSC_MHz" }, 348812db3f7SLen Brown { 0x0, "IRQ" }, 349*495c7654SLen Brown { 0x0, "SMI", "", 32, 0, FORMAT_DELTA, NULL}, 350812db3f7SLen Brown { 0x0, "Busy%" }, 351812db3f7SLen Brown { 0x0, "CPU%c1" }, 352812db3f7SLen Brown { 0x0, "CPU%c3" }, 353812db3f7SLen Brown { 0x0, "CPU%c6" }, 354812db3f7SLen Brown { 0x0, "CPU%c7" }, 355812db3f7SLen Brown { 0x0, "ThreadC" }, 356812db3f7SLen Brown { 0x0, "CoreTmp" }, 357812db3f7SLen Brown { 0x0, "CoreCnt" }, 358812db3f7SLen Brown { 0x0, "PkgTmp" }, 359812db3f7SLen Brown { 0x0, "GFX%rc6" }, 360812db3f7SLen Brown { 0x0, "GFXMHz" }, 361812db3f7SLen Brown { 0x0, "Pkg%pc2" }, 362812db3f7SLen Brown { 0x0, "Pkg%pc3" }, 363812db3f7SLen Brown { 0x0, "Pkg%pc6" }, 364812db3f7SLen Brown { 0x0, "Pkg%pc7" }, 3650f47c08dSLen Brown { 0x0, "Pkg%pc8" }, 3660f47c08dSLen Brown { 0x0, "Pkg%pc9" }, 3670f47c08dSLen Brown { 0x0, "Pkg%pc10" }, 368812db3f7SLen Brown { 0x0, "PkgWatt" }, 369812db3f7SLen Brown { 0x0, "CorWatt" }, 370812db3f7SLen Brown { 0x0, "GFXWatt" }, 371812db3f7SLen Brown { 0x0, "PkgCnt" }, 372812db3f7SLen Brown { 0x0, "RAMWatt" }, 373812db3f7SLen Brown { 0x0, "PKG_%" }, 374812db3f7SLen Brown { 0x0, "RAM_%" }, 375812db3f7SLen Brown { 0x0, "Pkg_J" }, 376812db3f7SLen Brown { 0x0, "Cor_J" }, 377812db3f7SLen Brown { 0x0, "GFX_J" }, 378812db3f7SLen Brown { 0x0, "RAM_J" }, 379812db3f7SLen Brown { 0x0, "Core" }, 380812db3f7SLen Brown { 0x0, "CPU" }, 3810539ba11SLen Brown { 0x0, "Mod%c6" }, 382812db3f7SLen Brown }; 383812db3f7SLen Brown 384812db3f7SLen Brown #define MAX_BIC (sizeof(bic) / sizeof(struct msr_counter)) 385812db3f7SLen Brown #define BIC_Package (1ULL << 0) 386812db3f7SLen Brown #define BIC_Avg_MHz (1ULL << 1) 387812db3f7SLen Brown #define BIC_Bzy_MHz (1ULL << 2) 388812db3f7SLen Brown #define BIC_TSC_MHz (1ULL << 3) 389812db3f7SLen Brown #define BIC_IRQ (1ULL << 4) 390812db3f7SLen Brown #define BIC_SMI (1ULL << 5) 391812db3f7SLen Brown #define BIC_Busy (1ULL << 6) 392812db3f7SLen Brown #define BIC_CPU_c1 (1ULL << 7) 393812db3f7SLen Brown #define BIC_CPU_c3 (1ULL << 8) 394812db3f7SLen Brown #define BIC_CPU_c6 (1ULL << 9) 395812db3f7SLen Brown #define BIC_CPU_c7 (1ULL << 10) 396812db3f7SLen Brown #define BIC_ThreadC (1ULL << 11) 397812db3f7SLen Brown #define BIC_CoreTmp (1ULL << 12) 398812db3f7SLen Brown #define BIC_CoreCnt (1ULL << 13) 399812db3f7SLen Brown #define BIC_PkgTmp (1ULL << 14) 400812db3f7SLen Brown #define BIC_GFX_rc6 (1ULL << 15) 401812db3f7SLen Brown #define BIC_GFXMHz (1ULL << 16) 402812db3f7SLen Brown #define BIC_Pkgpc2 (1ULL << 17) 403812db3f7SLen Brown #define BIC_Pkgpc3 (1ULL << 18) 404812db3f7SLen Brown #define BIC_Pkgpc6 (1ULL << 19) 405812db3f7SLen Brown #define BIC_Pkgpc7 (1ULL << 20) 4060f47c08dSLen Brown #define BIC_Pkgpc8 (1ULL << 21) 4070f47c08dSLen Brown #define BIC_Pkgpc9 (1ULL << 22) 4080f47c08dSLen Brown #define BIC_Pkgpc10 (1ULL << 23) 4090f47c08dSLen Brown #define BIC_PkgWatt (1ULL << 24) 4100f47c08dSLen Brown #define BIC_CorWatt (1ULL << 25) 4110f47c08dSLen Brown #define BIC_GFXWatt (1ULL << 26) 4120f47c08dSLen Brown #define BIC_PkgCnt (1ULL << 27) 4130f47c08dSLen Brown #define BIC_RAMWatt (1ULL << 28) 4140f47c08dSLen Brown #define BIC_PKG__ (1ULL << 29) 4150f47c08dSLen Brown #define BIC_RAM__ (1ULL << 30) 4160f47c08dSLen Brown #define BIC_Pkg_J (1ULL << 31) 4170f47c08dSLen Brown #define BIC_Cor_J (1ULL << 32) 4180f47c08dSLen Brown #define BIC_GFX_J (1ULL << 33) 4190f47c08dSLen Brown #define BIC_RAM_J (1ULL << 34) 4200f47c08dSLen Brown #define BIC_Core (1ULL << 35) 4210f47c08dSLen Brown #define BIC_CPU (1ULL << 36) 4220f47c08dSLen Brown #define BIC_Mod_c6 (1ULL << 37) 423812db3f7SLen Brown 424812db3f7SLen Brown unsigned long long bic_enabled = 0xFFFFFFFFFFFFFFFFULL; 425812db3f7SLen Brown unsigned long long bic_present; 426812db3f7SLen Brown 427812db3f7SLen Brown #define DO_BIC(COUNTER_NAME) (bic_enabled & bic_present & COUNTER_NAME) 428812db3f7SLen Brown #define BIC_PRESENT(COUNTER_BIT) (bic_present |= COUNTER_BIT) 4290f47c08dSLen Brown #define BIC_NOT_PRESENT(COUNTER_BIT) (bic_present &= ~COUNTER_BIT) 430812db3f7SLen Brown 431812db3f7SLen Brown /* 432812db3f7SLen Brown * bic_lookup 433812db3f7SLen Brown * for all the strings in comma separate name_list, 434812db3f7SLen Brown * set the approprate bit in return value. 435812db3f7SLen Brown */ 436812db3f7SLen Brown unsigned long long bic_lookup(char *name_list) 437812db3f7SLen Brown { 438812db3f7SLen Brown int i; 439812db3f7SLen Brown unsigned long long retval = 0; 440812db3f7SLen Brown 441812db3f7SLen Brown while (name_list) { 442812db3f7SLen Brown char *comma; 443812db3f7SLen Brown 444812db3f7SLen Brown comma = strchr(name_list, ','); 445812db3f7SLen Brown 446812db3f7SLen Brown if (comma) 447812db3f7SLen Brown *comma = '\0'; 448812db3f7SLen Brown 449812db3f7SLen Brown for (i = 0; i < MAX_BIC; ++i) { 450812db3f7SLen Brown if (!strcmp(name_list, bic[i].name)) { 451812db3f7SLen Brown retval |= (1ULL << i); 452812db3f7SLen Brown break; 453812db3f7SLen Brown } 454812db3f7SLen Brown } 455812db3f7SLen Brown if (i == MAX_BIC) { 456812db3f7SLen Brown fprintf(stderr, "Invalid counter name: %s\n", name_list); 457812db3f7SLen Brown exit(-1); 458812db3f7SLen Brown } 459812db3f7SLen Brown 460812db3f7SLen Brown name_list = comma; 461812db3f7SLen Brown if (name_list) 462812db3f7SLen Brown name_list++; 463812db3f7SLen Brown 464812db3f7SLen Brown } 465812db3f7SLen Brown return retval; 466812db3f7SLen Brown } 467fc04cc67SLen Brown 468a829eb4dSLen Brown void print_header(void) 469103a8feaSLen Brown { 470388e9c81SLen Brown struct msr_counter *mp; 471388e9c81SLen Brown 472812db3f7SLen Brown if (DO_BIC(BIC_Package)) 4733d109de2SLen Brown outp += sprintf(outp, "\tPackage"); 474812db3f7SLen Brown if (DO_BIC(BIC_Core)) 4753d109de2SLen Brown outp += sprintf(outp, "\tCore"); 476812db3f7SLen Brown if (DO_BIC(BIC_CPU)) 4773d109de2SLen Brown outp += sprintf(outp, "\tCPU"); 478812db3f7SLen Brown if (DO_BIC(BIC_Avg_MHz)) 4793d109de2SLen Brown outp += sprintf(outp, "\tAvg_MHz"); 480812db3f7SLen Brown if (DO_BIC(BIC_Busy)) 4813d109de2SLen Brown outp += sprintf(outp, "\tBusy%%"); 482812db3f7SLen Brown if (DO_BIC(BIC_Bzy_MHz)) 4833d109de2SLen Brown outp += sprintf(outp, "\tBzy_MHz"); 484812db3f7SLen Brown if (DO_BIC(BIC_TSC_MHz)) 4853d109de2SLen Brown outp += sprintf(outp, "\tTSC_MHz"); 4861cc21f7bSLen Brown 487812db3f7SLen Brown if (DO_BIC(BIC_IRQ)) 4883d109de2SLen Brown outp += sprintf(outp, "\tIRQ"); 489812db3f7SLen Brown if (DO_BIC(BIC_SMI)) 4903d109de2SLen Brown outp += sprintf(outp, "\tSMI"); 4911cc21f7bSLen Brown 492812db3f7SLen Brown if (DO_BIC(BIC_CPU_c1)) 4933d109de2SLen Brown outp += sprintf(outp, "\tCPU%%c1"); 494889facbeSLen Brown 495388e9c81SLen Brown for (mp = sys.tp; mp; mp = mp->next) { 496388e9c81SLen Brown if (mp->format == FORMAT_RAW) { 497388e9c81SLen Brown if (mp->width == 64) 498388e9c81SLen Brown outp += sprintf(outp, "\t%18.18s", mp->name); 499388e9c81SLen Brown else 500388e9c81SLen Brown outp += sprintf(outp, "\t%10.10s", mp->name); 501388e9c81SLen Brown } else { 502388e9c81SLen Brown outp += sprintf(outp, "\t%-7.7s", mp->name); 503388e9c81SLen Brown } 504388e9c81SLen Brown } 505388e9c81SLen Brown 506812db3f7SLen Brown if (DO_BIC(BIC_CPU_c3) && !do_slm_cstates && !do_knl_cstates) 507678a3bd1SLen Brown outp += sprintf(outp, "\tCPU%%c3"); 508812db3f7SLen Brown if (DO_BIC(BIC_CPU_c6)) 509678a3bd1SLen Brown outp += sprintf(outp, "\tCPU%%c6"); 510812db3f7SLen Brown if (DO_BIC(BIC_CPU_c7)) 511678a3bd1SLen Brown outp += sprintf(outp, "\tCPU%%c7"); 512678a3bd1SLen Brown 5130539ba11SLen Brown if (DO_BIC(BIC_Mod_c6)) 5140539ba11SLen Brown outp += sprintf(outp, "\tMod%%c6"); 515678a3bd1SLen Brown 516812db3f7SLen Brown if (DO_BIC(BIC_CoreTmp)) 5173d109de2SLen Brown outp += sprintf(outp, "\tCoreTmp"); 518388e9c81SLen Brown 519388e9c81SLen Brown for (mp = sys.cp; mp; mp = mp->next) { 520388e9c81SLen Brown if (mp->format == FORMAT_RAW) { 521388e9c81SLen Brown if (mp->width == 64) 522388e9c81SLen Brown outp += sprintf(outp, "\t%18.18s", mp->name); 523388e9c81SLen Brown else 524388e9c81SLen Brown outp += sprintf(outp, "\t%10.10s", mp->name); 525388e9c81SLen Brown } else { 526388e9c81SLen Brown outp += sprintf(outp, "\t%-7.7s", mp->name); 527388e9c81SLen Brown } 528388e9c81SLen Brown } 529388e9c81SLen Brown 530812db3f7SLen Brown if (DO_BIC(BIC_PkgTmp)) 5313d109de2SLen Brown outp += sprintf(outp, "\tPkgTmp"); 532889facbeSLen Brown 533812db3f7SLen Brown if (DO_BIC(BIC_GFX_rc6)) 5343d109de2SLen Brown outp += sprintf(outp, "\tGFX%%rc6"); 535fdf676e5SLen Brown 536812db3f7SLen Brown if (DO_BIC(BIC_GFXMHz)) 5373d109de2SLen Brown outp += sprintf(outp, "\tGFXMHz"); 53827d47356SLen Brown 5390b2bb692SLen Brown if (do_skl_residency) { 5403d109de2SLen Brown outp += sprintf(outp, "\tTotl%%C0"); 5413d109de2SLen Brown outp += sprintf(outp, "\tAny%%C0"); 5423d109de2SLen Brown outp += sprintf(outp, "\tGFX%%C0"); 5433d109de2SLen Brown outp += sprintf(outp, "\tCPUGFX%%"); 5440b2bb692SLen Brown } 5450b2bb692SLen Brown 5460f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc2)) 5473d109de2SLen Brown outp += sprintf(outp, "\tPkg%%pc2"); 5480f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc3)) 5493d109de2SLen Brown outp += sprintf(outp, "\tPkg%%pc3"); 5500f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc6)) 5513d109de2SLen Brown outp += sprintf(outp, "\tPkg%%pc6"); 5520f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc7)) 5533d109de2SLen Brown outp += sprintf(outp, "\tPkg%%pc7"); 5540f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc8)) 5553d109de2SLen Brown outp += sprintf(outp, "\tPkg%%pc8"); 5560f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc9)) 5573d109de2SLen Brown outp += sprintf(outp, "\tPkg%%pc9"); 5580f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc10)) 5593d109de2SLen Brown outp += sprintf(outp, "\tPk%%pc10"); 560103a8feaSLen Brown 5615c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 562812db3f7SLen Brown if (DO_BIC(BIC_PkgWatt)) 5633d109de2SLen Brown outp += sprintf(outp, "\tPkgWatt"); 564812db3f7SLen Brown if (DO_BIC(BIC_CorWatt)) 5653d109de2SLen Brown outp += sprintf(outp, "\tCorWatt"); 566812db3f7SLen Brown if (DO_BIC(BIC_GFXWatt)) 5673d109de2SLen Brown outp += sprintf(outp, "\tGFXWatt"); 568812db3f7SLen Brown if (DO_BIC(BIC_RAMWatt)) 5693d109de2SLen Brown outp += sprintf(outp, "\tRAMWatt"); 570812db3f7SLen Brown if (DO_BIC(BIC_PKG__)) 5713d109de2SLen Brown outp += sprintf(outp, "\tPKG_%%"); 572812db3f7SLen Brown if (DO_BIC(BIC_RAM__)) 5733d109de2SLen Brown outp += sprintf(outp, "\tRAM_%%"); 574d7899447SLen Brown } else if (do_rapl && rapl_joules) { 575812db3f7SLen Brown if (DO_BIC(BIC_Pkg_J)) 5763d109de2SLen Brown outp += sprintf(outp, "\tPkg_J"); 577812db3f7SLen Brown if (DO_BIC(BIC_Cor_J)) 5783d109de2SLen Brown outp += sprintf(outp, "\tCor_J"); 579812db3f7SLen Brown if (DO_BIC(BIC_GFX_J)) 5803d109de2SLen Brown outp += sprintf(outp, "\tGFX_J"); 581812db3f7SLen Brown if (DO_BIC(BIC_RAM_J)) 5823d109de2SLen Brown outp += sprintf(outp, "\tRAM_J"); 583812db3f7SLen Brown if (DO_BIC(BIC_PKG__)) 5843d109de2SLen Brown outp += sprintf(outp, "\tPKG_%%"); 585812db3f7SLen Brown if (DO_BIC(BIC_RAM__)) 5863d109de2SLen Brown outp += sprintf(outp, "\tRAM_%%"); 5875c56be9aSDirk Brandewie } 588388e9c81SLen Brown for (mp = sys.pp; mp; mp = mp->next) { 589388e9c81SLen Brown if (mp->format == FORMAT_RAW) { 590388e9c81SLen Brown if (mp->width == 64) 591388e9c81SLen Brown outp += sprintf(outp, "\t%18.18s", mp->name); 592388e9c81SLen Brown else 593388e9c81SLen Brown outp += sprintf(outp, "\t%10.10s", mp->name); 594388e9c81SLen Brown } else { 595388e9c81SLen Brown outp += sprintf(outp, "\t%-7.7s", mp->name); 596388e9c81SLen Brown } 597388e9c81SLen Brown } 598388e9c81SLen Brown 599c98d5d94SLen Brown outp += sprintf(outp, "\n"); 600103a8feaSLen Brown } 601103a8feaSLen Brown 602c98d5d94SLen Brown int dump_counters(struct thread_data *t, struct core_data *c, 603c98d5d94SLen Brown struct pkg_data *p) 604103a8feaSLen Brown { 605388e9c81SLen Brown int i; 606388e9c81SLen Brown struct msr_counter *mp; 607388e9c81SLen Brown 6083b4d5c7fSAndy Shevchenko outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p); 609c98d5d94SLen Brown 610c98d5d94SLen Brown if (t) { 6113b4d5c7fSAndy Shevchenko outp += sprintf(outp, "CPU: %d flags 0x%x\n", 6123b4d5c7fSAndy Shevchenko t->cpu_id, t->flags); 6133b4d5c7fSAndy Shevchenko outp += sprintf(outp, "TSC: %016llX\n", t->tsc); 6143b4d5c7fSAndy Shevchenko outp += sprintf(outp, "aperf: %016llX\n", t->aperf); 6153b4d5c7fSAndy Shevchenko outp += sprintf(outp, "mperf: %016llX\n", t->mperf); 6163b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c1: %016llX\n", t->c1); 6176886fee4SLen Brown 618812db3f7SLen Brown if (DO_BIC(BIC_IRQ)) 619562a2d37SLen Brown outp += sprintf(outp, "IRQ: %08X\n", t->irq_count); 620812db3f7SLen Brown if (DO_BIC(BIC_SMI)) 6213b4d5c7fSAndy Shevchenko outp += sprintf(outp, "SMI: %08X\n", t->smi_count); 622388e9c81SLen Brown 623388e9c81SLen Brown for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) { 624388e9c81SLen Brown outp += sprintf(outp, "tADDED [%d] msr0x%x: %08llX\n", 625388e9c81SLen Brown i, mp->msr_num, t->counter[i]); 626388e9c81SLen Brown } 627103a8feaSLen Brown } 628103a8feaSLen Brown 629c98d5d94SLen Brown if (c) { 6303b4d5c7fSAndy Shevchenko outp += sprintf(outp, "core: %d\n", c->core_id); 6313b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c3: %016llX\n", c->c3); 6323b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c6: %016llX\n", c->c6); 6333b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c7: %016llX\n", c->c7); 6343b4d5c7fSAndy Shevchenko outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c); 635388e9c81SLen Brown 636388e9c81SLen Brown for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) { 637388e9c81SLen Brown outp += sprintf(outp, "cADDED [%d] msr0x%x: %08llX\n", 638388e9c81SLen Brown i, mp->msr_num, c->counter[i]); 639388e9c81SLen Brown } 6400539ba11SLen Brown outp += sprintf(outp, "mc6_us: %016llX\n", c->mc6_us); 641c98d5d94SLen Brown } 642103a8feaSLen Brown 643c98d5d94SLen Brown if (p) { 6443b4d5c7fSAndy Shevchenko outp += sprintf(outp, "package: %d\n", p->package_id); 6450b2bb692SLen Brown 6460b2bb692SLen Brown outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0); 6470b2bb692SLen Brown outp += sprintf(outp, "Any cores: %016llX\n", p->pkg_any_core_c0); 6480b2bb692SLen Brown outp += sprintf(outp, "Any GFX: %016llX\n", p->pkg_any_gfxe_c0); 6490b2bb692SLen Brown outp += sprintf(outp, "CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0); 6500b2bb692SLen Brown 6513b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc2: %016llX\n", p->pc2); 6520f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc3)) 6533b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc3: %016llX\n", p->pc3); 6540f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc6)) 6553b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc6: %016llX\n", p->pc6); 6560f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc7)) 6573b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc7: %016llX\n", p->pc7); 6583b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc8: %016llX\n", p->pc8); 6593b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc9: %016llX\n", p->pc9); 6603b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc10: %016llX\n", p->pc10); 6613b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg); 6623b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores); 6633b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx); 6643b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram); 6653b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle PKG: %0X\n", 6663b4d5c7fSAndy Shevchenko p->rapl_pkg_perf_status); 6673b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle RAM: %0X\n", 6683b4d5c7fSAndy Shevchenko p->rapl_dram_perf_status); 6693b4d5c7fSAndy Shevchenko outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c); 670388e9c81SLen Brown 671388e9c81SLen Brown for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) { 672388e9c81SLen Brown outp += sprintf(outp, "pADDED [%d] msr0x%x: %08llX\n", 673388e9c81SLen Brown i, mp->msr_num, p->counter[i]); 674388e9c81SLen Brown } 675c98d5d94SLen Brown } 6763b4d5c7fSAndy Shevchenko 6773b4d5c7fSAndy Shevchenko outp += sprintf(outp, "\n"); 6783b4d5c7fSAndy Shevchenko 679c98d5d94SLen Brown return 0; 680103a8feaSLen Brown } 681103a8feaSLen Brown 682e23da037SLen Brown /* 683e23da037SLen Brown * column formatting convention & formats 684e23da037SLen Brown */ 685c98d5d94SLen Brown int format_counters(struct thread_data *t, struct core_data *c, 686c98d5d94SLen Brown struct pkg_data *p) 687103a8feaSLen Brown { 688008d396eSLen Brown double interval_float, tsc; 689fc04cc67SLen Brown char *fmt8; 690388e9c81SLen Brown int i; 691388e9c81SLen Brown struct msr_counter *mp; 692103a8feaSLen Brown 693c98d5d94SLen Brown /* if showing only 1st thread in core and this isn't one, bail out */ 694c98d5d94SLen Brown if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 695c98d5d94SLen Brown return 0; 696c98d5d94SLen Brown 697c98d5d94SLen Brown /* if showing only 1st thread in pkg and this isn't one, bail out */ 698c98d5d94SLen Brown if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 699c98d5d94SLen Brown return 0; 700c98d5d94SLen Brown 701103a8feaSLen Brown interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0; 702103a8feaSLen Brown 703008d396eSLen Brown tsc = t->tsc * tsc_tweak; 704008d396eSLen Brown 705c98d5d94SLen Brown /* topo columns, print blanks on 1st (average) line */ 706c98d5d94SLen Brown if (t == &average.threads) { 707812db3f7SLen Brown if (DO_BIC(BIC_Package)) 7083d109de2SLen Brown outp += sprintf(outp, "\t-"); 709812db3f7SLen Brown if (DO_BIC(BIC_Core)) 7103d109de2SLen Brown outp += sprintf(outp, "\t-"); 711812db3f7SLen Brown if (DO_BIC(BIC_CPU)) 7123d109de2SLen Brown outp += sprintf(outp, "\t-"); 713103a8feaSLen Brown } else { 714812db3f7SLen Brown if (DO_BIC(BIC_Package)) { 715c98d5d94SLen Brown if (p) 7163d109de2SLen Brown outp += sprintf(outp, "\t%d", p->package_id); 717c98d5d94SLen Brown else 7183d109de2SLen Brown outp += sprintf(outp, "\t-"); 719c98d5d94SLen Brown } 720812db3f7SLen Brown if (DO_BIC(BIC_Core)) { 721c98d5d94SLen Brown if (c) 7223d109de2SLen Brown outp += sprintf(outp, "\t%d", c->core_id); 723c98d5d94SLen Brown else 7243d109de2SLen Brown outp += sprintf(outp, "\t-"); 725c98d5d94SLen Brown } 726812db3f7SLen Brown if (DO_BIC(BIC_CPU)) 7273d109de2SLen Brown outp += sprintf(outp, "\t%d", t->cpu_id); 728103a8feaSLen Brown } 729fc04cc67SLen Brown 730812db3f7SLen Brown if (DO_BIC(BIC_Avg_MHz)) 7313d109de2SLen Brown outp += sprintf(outp, "\t%.0f", 732fc04cc67SLen Brown 1.0 / units * t->aperf / interval_float); 733fc04cc67SLen Brown 734812db3f7SLen Brown if (DO_BIC(BIC_Busy)) 735008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * t->mperf/tsc); 736103a8feaSLen Brown 737812db3f7SLen Brown if (DO_BIC(BIC_Bzy_MHz)) { 73821ed5574SLen Brown if (has_base_hz) 7393d109de2SLen Brown outp += sprintf(outp, "\t%.0f", base_hz / units * t->aperf / t->mperf); 74021ed5574SLen Brown else 7413d109de2SLen Brown outp += sprintf(outp, "\t%.0f", 742008d396eSLen Brown tsc / units * t->aperf / t->mperf / interval_float); 74321ed5574SLen Brown } 744103a8feaSLen Brown 745812db3f7SLen Brown if (DO_BIC(BIC_TSC_MHz)) 7463d109de2SLen Brown outp += sprintf(outp, "\t%.0f", 1.0 * t->tsc/units/interval_float); 747103a8feaSLen Brown 748562a2d37SLen Brown /* IRQ */ 749812db3f7SLen Brown if (DO_BIC(BIC_IRQ)) 7503d109de2SLen Brown outp += sprintf(outp, "\t%d", t->irq_count); 751562a2d37SLen Brown 7521cc21f7bSLen Brown /* SMI */ 753812db3f7SLen Brown if (DO_BIC(BIC_SMI)) 7543d109de2SLen Brown outp += sprintf(outp, "\t%d", t->smi_count); 7551cc21f7bSLen Brown 756678a3bd1SLen Brown /* C1 */ 757812db3f7SLen Brown if (DO_BIC(BIC_CPU_c1)) 758008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * t->c1/tsc); 759c98d5d94SLen Brown 760678a3bd1SLen Brown /* Added counters */ 761678a3bd1SLen Brown for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) { 762678a3bd1SLen Brown if (mp->format == FORMAT_RAW) { 763678a3bd1SLen Brown if (mp->width == 32) 764678a3bd1SLen Brown outp += sprintf(outp, "\t0x%08lx", (unsigned long) t->counter[i]); 765678a3bd1SLen Brown else 766678a3bd1SLen Brown outp += sprintf(outp, "\t0x%016llx", t->counter[i]); 767678a3bd1SLen Brown } else if (mp->format == FORMAT_DELTA) { 768678a3bd1SLen Brown outp += sprintf(outp, "\t%lld", t->counter[i]); 769678a3bd1SLen Brown } else if (mp->format == FORMAT_PERCENT) { 770008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * t->counter[i]/tsc); 771678a3bd1SLen Brown } 772678a3bd1SLen Brown } 773678a3bd1SLen Brown 774c98d5d94SLen Brown /* print per-core data only for 1st thread in core */ 775c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 776c98d5d94SLen Brown goto done; 777c98d5d94SLen Brown 778812db3f7SLen Brown if (DO_BIC(BIC_CPU_c3) && !do_slm_cstates && !do_knl_cstates) 779008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * c->c3/tsc); 780812db3f7SLen Brown if (DO_BIC(BIC_CPU_c6)) 781008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * c->c6/tsc); 782812db3f7SLen Brown if (DO_BIC(BIC_CPU_c7)) 783008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * c->c7/tsc); 784c98d5d94SLen Brown 7850539ba11SLen Brown /* Mod%c6 */ 7860539ba11SLen Brown if (DO_BIC(BIC_Mod_c6)) 787008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * c->mc6_us / tsc); 7880539ba11SLen Brown 789812db3f7SLen Brown if (DO_BIC(BIC_CoreTmp)) 7903d109de2SLen Brown outp += sprintf(outp, "\t%d", c->core_temp_c); 791889facbeSLen Brown 792388e9c81SLen Brown for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) { 793388e9c81SLen Brown if (mp->format == FORMAT_RAW) { 794388e9c81SLen Brown if (mp->width == 32) 795388e9c81SLen Brown outp += sprintf(outp, "\t0x%08lx", (unsigned long) c->counter[i]); 796388e9c81SLen Brown else 797388e9c81SLen Brown outp += sprintf(outp, "\t0x%016llx", c->counter[i]); 798388e9c81SLen Brown } else if (mp->format == FORMAT_DELTA) { 799678a3bd1SLen Brown outp += sprintf(outp, "\t%lld", c->counter[i]); 800388e9c81SLen Brown } else if (mp->format == FORMAT_PERCENT) { 801008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * c->counter[i]/tsc); 802388e9c81SLen Brown } 803388e9c81SLen Brown } 804388e9c81SLen Brown 805c98d5d94SLen Brown /* print per-package data only for 1st core in package */ 806c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 807c98d5d94SLen Brown goto done; 808c98d5d94SLen Brown 8090b2bb692SLen Brown /* PkgTmp */ 810812db3f7SLen Brown if (DO_BIC(BIC_PkgTmp)) 8113d109de2SLen Brown outp += sprintf(outp, "\t%d", p->pkg_temp_c); 812889facbeSLen Brown 813fdf676e5SLen Brown /* GFXrc6 */ 814812db3f7SLen Brown if (DO_BIC(BIC_GFX_rc6)) { 815ba3dec99SLen Brown if (p->gfx_rc6_ms == -1) { /* detect GFX counter reset */ 8163d109de2SLen Brown outp += sprintf(outp, "\t**.**"); 8179185e988SLen Brown } else { 8183d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 8199185e988SLen Brown p->gfx_rc6_ms / 10.0 / interval_float); 8209185e988SLen Brown } 8219185e988SLen Brown } 822fdf676e5SLen Brown 82327d47356SLen Brown /* GFXMHz */ 824812db3f7SLen Brown if (DO_BIC(BIC_GFXMHz)) 8253d109de2SLen Brown outp += sprintf(outp, "\t%d", p->gfx_mhz); 82627d47356SLen Brown 8270b2bb692SLen Brown /* Totl%C0, Any%C0 GFX%C0 CPUGFX% */ 8280b2bb692SLen Brown if (do_skl_residency) { 829008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pkg_wtd_core_c0/tsc); 830008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pkg_any_core_c0/tsc); 831008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pkg_any_gfxe_c0/tsc); 832008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pkg_both_core_gfxe_c0/tsc); 8330b2bb692SLen Brown } 8340b2bb692SLen Brown 8350f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc2)) 836008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pc2/tsc); 8370f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc3)) 838008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pc3/tsc); 8390f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc6)) 840008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pc6/tsc); 8410f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc7)) 842008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pc7/tsc); 8430f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc8)) 844008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pc8/tsc); 8450f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc9)) 846008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pc9/tsc); 8470f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc10)) 848008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pc10/tsc); 849889facbeSLen Brown 850889facbeSLen Brown /* 851889facbeSLen Brown * If measurement interval exceeds minimum RAPL Joule Counter range, 852889facbeSLen Brown * indicate that results are suspect by printing "**" in fraction place. 853889facbeSLen Brown */ 854fc04cc67SLen Brown if (interval_float < rapl_joule_counter_range) 8553d109de2SLen Brown fmt8 = "\t%.2f"; 856fc04cc67SLen Brown else 857fc04cc67SLen Brown fmt8 = "%6.0f**"; 858889facbeSLen Brown 859812db3f7SLen Brown if (DO_BIC(BIC_PkgWatt)) 860fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float); 861812db3f7SLen Brown if (DO_BIC(BIC_CorWatt)) 862fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float); 863812db3f7SLen Brown if (DO_BIC(BIC_GFXWatt)) 864fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float); 865812db3f7SLen Brown if (DO_BIC(BIC_RAMWatt)) 86640ee8e3bSAndrey Semin outp += sprintf(outp, fmt8, p->energy_dram * rapl_dram_energy_units / interval_float); 867812db3f7SLen Brown if (DO_BIC(BIC_Pkg_J)) 868812db3f7SLen Brown outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units); 869812db3f7SLen Brown if (DO_BIC(BIC_Cor_J)) 870812db3f7SLen Brown outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units); 871812db3f7SLen Brown if (DO_BIC(BIC_GFX_J)) 872812db3f7SLen Brown outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units); 873812db3f7SLen Brown if (DO_BIC(BIC_RAM_J)) 874812db3f7SLen Brown outp += sprintf(outp, fmt8, p->energy_dram * rapl_dram_energy_units); 875812db3f7SLen Brown if (DO_BIC(BIC_PKG__)) 876fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 877812db3f7SLen Brown if (DO_BIC(BIC_RAM__)) 878fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 879812db3f7SLen Brown 880388e9c81SLen Brown for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) { 881388e9c81SLen Brown if (mp->format == FORMAT_RAW) { 882388e9c81SLen Brown if (mp->width == 32) 883388e9c81SLen Brown outp += sprintf(outp, "\t0x%08lx", (unsigned long) p->counter[i]); 884388e9c81SLen Brown else 885388e9c81SLen Brown outp += sprintf(outp, "\t0x%016llx", p->counter[i]); 886388e9c81SLen Brown } else if (mp->format == FORMAT_DELTA) { 887678a3bd1SLen Brown outp += sprintf(outp, "\t%lld", p->counter[i]); 888388e9c81SLen Brown } else if (mp->format == FORMAT_PERCENT) { 889008d396eSLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->counter[i]/tsc); 890388e9c81SLen Brown } 891388e9c81SLen Brown } 892388e9c81SLen Brown 893c98d5d94SLen Brown done: 894c98d5d94SLen Brown outp += sprintf(outp, "\n"); 895c98d5d94SLen Brown 896c98d5d94SLen Brown return 0; 897103a8feaSLen Brown } 898103a8feaSLen Brown 899b7d8c148SLen Brown void flush_output_stdout(void) 900103a8feaSLen Brown { 901b7d8c148SLen Brown FILE *filep; 902b7d8c148SLen Brown 903b7d8c148SLen Brown if (outf == stderr) 904b7d8c148SLen Brown filep = stdout; 905b7d8c148SLen Brown else 906b7d8c148SLen Brown filep = outf; 907b7d8c148SLen Brown 908b7d8c148SLen Brown fputs(output_buffer, filep); 909b7d8c148SLen Brown fflush(filep); 910b7d8c148SLen Brown 911c98d5d94SLen Brown outp = output_buffer; 912c98d5d94SLen Brown } 913b7d8c148SLen Brown void flush_output_stderr(void) 914c98d5d94SLen Brown { 915b7d8c148SLen Brown fputs(output_buffer, outf); 916b7d8c148SLen Brown fflush(outf); 917c98d5d94SLen Brown outp = output_buffer; 918c98d5d94SLen Brown } 919c98d5d94SLen Brown void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 920c98d5d94SLen Brown { 921e23da037SLen Brown static int printed; 922103a8feaSLen Brown 923e23da037SLen Brown if (!printed || !summary_only) 924103a8feaSLen Brown print_header(); 925103a8feaSLen Brown 926c98d5d94SLen Brown if (topo.num_cpus > 1) 927c98d5d94SLen Brown format_counters(&average.threads, &average.cores, 928c98d5d94SLen Brown &average.packages); 929103a8feaSLen Brown 930e23da037SLen Brown printed = 1; 931e23da037SLen Brown 932e23da037SLen Brown if (summary_only) 933e23da037SLen Brown return; 934e23da037SLen Brown 935c98d5d94SLen Brown for_all_cpus(format_counters, t, c, p); 936103a8feaSLen Brown } 937103a8feaSLen Brown 938889facbeSLen Brown #define DELTA_WRAP32(new, old) \ 939889facbeSLen Brown if (new > old) { \ 940889facbeSLen Brown old = new - old; \ 941889facbeSLen Brown } else { \ 942889facbeSLen Brown old = 0x100000000 + new - old; \ 943889facbeSLen Brown } 944889facbeSLen Brown 945ba3dec99SLen Brown int 946c98d5d94SLen Brown delta_package(struct pkg_data *new, struct pkg_data *old) 947103a8feaSLen Brown { 948388e9c81SLen Brown int i; 949388e9c81SLen Brown struct msr_counter *mp; 9500b2bb692SLen Brown 9510b2bb692SLen Brown if (do_skl_residency) { 9520b2bb692SLen Brown old->pkg_wtd_core_c0 = new->pkg_wtd_core_c0 - old->pkg_wtd_core_c0; 9530b2bb692SLen Brown old->pkg_any_core_c0 = new->pkg_any_core_c0 - old->pkg_any_core_c0; 9540b2bb692SLen Brown old->pkg_any_gfxe_c0 = new->pkg_any_gfxe_c0 - old->pkg_any_gfxe_c0; 9550b2bb692SLen Brown old->pkg_both_core_gfxe_c0 = new->pkg_both_core_gfxe_c0 - old->pkg_both_core_gfxe_c0; 9560b2bb692SLen Brown } 957c98d5d94SLen Brown old->pc2 = new->pc2 - old->pc2; 9580f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc3)) 959c98d5d94SLen Brown old->pc3 = new->pc3 - old->pc3; 9600f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc6)) 961c98d5d94SLen Brown old->pc6 = new->pc6 - old->pc6; 9620f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc7)) 963c98d5d94SLen Brown old->pc7 = new->pc7 - old->pc7; 964ca58710fSKristen Carlson Accardi old->pc8 = new->pc8 - old->pc8; 965ca58710fSKristen Carlson Accardi old->pc9 = new->pc9 - old->pc9; 966ca58710fSKristen Carlson Accardi old->pc10 = new->pc10 - old->pc10; 967889facbeSLen Brown old->pkg_temp_c = new->pkg_temp_c; 968889facbeSLen Brown 9699185e988SLen Brown /* flag an error when rc6 counter resets/wraps */ 9709185e988SLen Brown if (old->gfx_rc6_ms > new->gfx_rc6_ms) 9719185e988SLen Brown old->gfx_rc6_ms = -1; 9729185e988SLen Brown else 973fdf676e5SLen Brown old->gfx_rc6_ms = new->gfx_rc6_ms - old->gfx_rc6_ms; 9749185e988SLen Brown 97527d47356SLen Brown old->gfx_mhz = new->gfx_mhz; 97627d47356SLen Brown 977889facbeSLen Brown DELTA_WRAP32(new->energy_pkg, old->energy_pkg); 978889facbeSLen Brown DELTA_WRAP32(new->energy_cores, old->energy_cores); 979889facbeSLen Brown DELTA_WRAP32(new->energy_gfx, old->energy_gfx); 980889facbeSLen Brown DELTA_WRAP32(new->energy_dram, old->energy_dram); 981889facbeSLen Brown DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status); 982889facbeSLen Brown DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status); 983ba3dec99SLen Brown 984388e9c81SLen Brown for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) { 985388e9c81SLen Brown if (mp->format == FORMAT_RAW) 986388e9c81SLen Brown old->counter[i] = new->counter[i]; 987388e9c81SLen Brown else 988388e9c81SLen Brown old->counter[i] = new->counter[i] - old->counter[i]; 989388e9c81SLen Brown } 990388e9c81SLen Brown 991ba3dec99SLen Brown return 0; 992103a8feaSLen Brown } 993103a8feaSLen Brown 994c98d5d94SLen Brown void 995c98d5d94SLen Brown delta_core(struct core_data *new, struct core_data *old) 996c98d5d94SLen Brown { 997388e9c81SLen Brown int i; 998388e9c81SLen Brown struct msr_counter *mp; 999388e9c81SLen Brown 1000c98d5d94SLen Brown old->c3 = new->c3 - old->c3; 1001c98d5d94SLen Brown old->c6 = new->c6 - old->c6; 1002c98d5d94SLen Brown old->c7 = new->c7 - old->c7; 1003889facbeSLen Brown old->core_temp_c = new->core_temp_c; 10040539ba11SLen Brown old->mc6_us = new->mc6_us - old->mc6_us; 1005388e9c81SLen Brown 1006388e9c81SLen Brown for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) { 1007388e9c81SLen Brown if (mp->format == FORMAT_RAW) 1008388e9c81SLen Brown old->counter[i] = new->counter[i]; 1009388e9c81SLen Brown else 1010388e9c81SLen Brown old->counter[i] = new->counter[i] - old->counter[i]; 1011388e9c81SLen Brown } 1012103a8feaSLen Brown } 1013c98d5d94SLen Brown 1014c3ae331dSLen Brown /* 1015c3ae331dSLen Brown * old = new - old 1016c3ae331dSLen Brown */ 1017ba3dec99SLen Brown int 1018c98d5d94SLen Brown delta_thread(struct thread_data *new, struct thread_data *old, 1019c98d5d94SLen Brown struct core_data *core_delta) 1020c98d5d94SLen Brown { 1021388e9c81SLen Brown int i; 1022388e9c81SLen Brown struct msr_counter *mp; 1023388e9c81SLen Brown 1024c98d5d94SLen Brown old->tsc = new->tsc - old->tsc; 1025c98d5d94SLen Brown 1026103a8feaSLen Brown /* check for TSC < 1 Mcycles over interval */ 1027b2c95d90SJosh Triplett if (old->tsc < (1000 * 1000)) 1028b2c95d90SJosh Triplett errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n" 1029b2c95d90SJosh Triplett "You can disable all c-states by booting with \"idle=poll\"\n" 1030b2c95d90SJosh Triplett "or just the deep ones with \"processor.max_cstate=1\""); 1031103a8feaSLen Brown 1032c98d5d94SLen Brown old->c1 = new->c1 - old->c1; 1033c98d5d94SLen Brown 1034812db3f7SLen Brown if (DO_BIC(BIC_Avg_MHz) || DO_BIC(BIC_Busy) || DO_BIC(BIC_Bzy_MHz)) { 1035c98d5d94SLen Brown if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) { 1036c98d5d94SLen Brown old->aperf = new->aperf - old->aperf; 1037c98d5d94SLen Brown old->mperf = new->mperf - old->mperf; 1038c98d5d94SLen Brown } else { 1039ba3dec99SLen Brown return -1; 1040103a8feaSLen Brown } 1041a729617cSLen Brown } 1042103a8feaSLen Brown 1043c98d5d94SLen Brown 1044144b44b1SLen Brown if (use_c1_residency_msr) { 1045144b44b1SLen Brown /* 1046144b44b1SLen Brown * Some models have a dedicated C1 residency MSR, 1047144b44b1SLen Brown * which should be more accurate than the derivation below. 1048144b44b1SLen Brown */ 1049144b44b1SLen Brown } else { 1050103a8feaSLen Brown /* 1051c3ae331dSLen Brown * As counter collection is not atomic, 1052c3ae331dSLen Brown * it is possible for mperf's non-halted cycles + idle states 1053103a8feaSLen Brown * to exceed TSC's all cycles: show c1 = 0% in that case. 1054103a8feaSLen Brown */ 1055c3ae331dSLen Brown if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc) 1056c98d5d94SLen Brown old->c1 = 0; 1057c98d5d94SLen Brown else { 1058c98d5d94SLen Brown /* normal case, derive c1 */ 1059008d396eSLen Brown old->c1 = (old->tsc * tsc_tweak) - old->mperf - core_delta->c3 1060c98d5d94SLen Brown - core_delta->c6 - core_delta->c7; 1061c98d5d94SLen Brown } 1062144b44b1SLen Brown } 1063c3ae331dSLen Brown 1064c98d5d94SLen Brown if (old->mperf == 0) { 1065b7d8c148SLen Brown if (debug > 1) 1066b7d8c148SLen Brown fprintf(outf, "cpu%d MPERF 0!\n", old->cpu_id); 1067c98d5d94SLen Brown old->mperf = 1; /* divide by 0 protection */ 1068c98d5d94SLen Brown } 1069103a8feaSLen Brown 1070812db3f7SLen Brown if (DO_BIC(BIC_IRQ)) 1071562a2d37SLen Brown old->irq_count = new->irq_count - old->irq_count; 1072562a2d37SLen Brown 1073812db3f7SLen Brown if (DO_BIC(BIC_SMI)) 10741ed51011SLen Brown old->smi_count = new->smi_count - old->smi_count; 1075ba3dec99SLen Brown 1076388e9c81SLen Brown for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) { 1077388e9c81SLen Brown if (mp->format == FORMAT_RAW) 1078388e9c81SLen Brown old->counter[i] = new->counter[i]; 1079388e9c81SLen Brown else 1080388e9c81SLen Brown old->counter[i] = new->counter[i] - old->counter[i]; 1081388e9c81SLen Brown } 1082ba3dec99SLen Brown return 0; 1083103a8feaSLen Brown } 1084c98d5d94SLen Brown 1085c98d5d94SLen Brown int delta_cpu(struct thread_data *t, struct core_data *c, 1086c98d5d94SLen Brown struct pkg_data *p, struct thread_data *t2, 1087c98d5d94SLen Brown struct core_data *c2, struct pkg_data *p2) 1088c98d5d94SLen Brown { 1089ba3dec99SLen Brown int retval = 0; 1090ba3dec99SLen Brown 1091c98d5d94SLen Brown /* calculate core delta only for 1st thread in core */ 1092c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE) 1093c98d5d94SLen Brown delta_core(c, c2); 1094c98d5d94SLen Brown 1095c98d5d94SLen Brown /* always calculate thread delta */ 1096ba3dec99SLen Brown retval = delta_thread(t, t2, c2); /* c2 is core delta */ 1097ba3dec99SLen Brown if (retval) 1098ba3dec99SLen Brown return retval; 1099c98d5d94SLen Brown 1100c98d5d94SLen Brown /* calculate package delta only for 1st core in package */ 1101c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE) 1102ba3dec99SLen Brown retval = delta_package(p, p2); 1103c98d5d94SLen Brown 1104ba3dec99SLen Brown return retval; 1105103a8feaSLen Brown } 1106103a8feaSLen Brown 1107c98d5d94SLen Brown void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1108103a8feaSLen Brown { 1109388e9c81SLen Brown int i; 1110388e9c81SLen Brown struct msr_counter *mp; 1111388e9c81SLen Brown 1112c98d5d94SLen Brown t->tsc = 0; 1113c98d5d94SLen Brown t->aperf = 0; 1114c98d5d94SLen Brown t->mperf = 0; 1115c98d5d94SLen Brown t->c1 = 0; 1116103a8feaSLen Brown 1117562a2d37SLen Brown t->irq_count = 0; 1118562a2d37SLen Brown t->smi_count = 0; 1119562a2d37SLen Brown 1120c98d5d94SLen Brown /* tells format_counters to dump all fields from this set */ 1121c98d5d94SLen Brown t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE; 1122c98d5d94SLen Brown 1123c98d5d94SLen Brown c->c3 = 0; 1124c98d5d94SLen Brown c->c6 = 0; 1125c98d5d94SLen Brown c->c7 = 0; 11260539ba11SLen Brown c->mc6_us = 0; 1127889facbeSLen Brown c->core_temp_c = 0; 1128c98d5d94SLen Brown 11290b2bb692SLen Brown p->pkg_wtd_core_c0 = 0; 11300b2bb692SLen Brown p->pkg_any_core_c0 = 0; 11310b2bb692SLen Brown p->pkg_any_gfxe_c0 = 0; 11320b2bb692SLen Brown p->pkg_both_core_gfxe_c0 = 0; 11330b2bb692SLen Brown 1134c98d5d94SLen Brown p->pc2 = 0; 11350f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc3)) 1136c98d5d94SLen Brown p->pc3 = 0; 11370f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc6)) 1138c98d5d94SLen Brown p->pc6 = 0; 11390f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc7)) 1140c98d5d94SLen Brown p->pc7 = 0; 1141ca58710fSKristen Carlson Accardi p->pc8 = 0; 1142ca58710fSKristen Carlson Accardi p->pc9 = 0; 1143ca58710fSKristen Carlson Accardi p->pc10 = 0; 1144889facbeSLen Brown 1145889facbeSLen Brown p->energy_pkg = 0; 1146889facbeSLen Brown p->energy_dram = 0; 1147889facbeSLen Brown p->energy_cores = 0; 1148889facbeSLen Brown p->energy_gfx = 0; 1149889facbeSLen Brown p->rapl_pkg_perf_status = 0; 1150889facbeSLen Brown p->rapl_dram_perf_status = 0; 1151889facbeSLen Brown p->pkg_temp_c = 0; 115227d47356SLen Brown 1153fdf676e5SLen Brown p->gfx_rc6_ms = 0; 115427d47356SLen Brown p->gfx_mhz = 0; 1155388e9c81SLen Brown for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) 1156388e9c81SLen Brown t->counter[i] = 0; 1157388e9c81SLen Brown 1158388e9c81SLen Brown for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) 1159388e9c81SLen Brown c->counter[i] = 0; 1160388e9c81SLen Brown 1161388e9c81SLen Brown for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) 1162388e9c81SLen Brown p->counter[i] = 0; 1163103a8feaSLen Brown } 1164c98d5d94SLen Brown int sum_counters(struct thread_data *t, struct core_data *c, 1165c98d5d94SLen Brown struct pkg_data *p) 1166103a8feaSLen Brown { 1167388e9c81SLen Brown int i; 1168388e9c81SLen Brown struct msr_counter *mp; 1169388e9c81SLen Brown 1170c98d5d94SLen Brown average.threads.tsc += t->tsc; 1171c98d5d94SLen Brown average.threads.aperf += t->aperf; 1172c98d5d94SLen Brown average.threads.mperf += t->mperf; 1173c98d5d94SLen Brown average.threads.c1 += t->c1; 117415aaa346SLen Brown 1175562a2d37SLen Brown average.threads.irq_count += t->irq_count; 1176562a2d37SLen Brown average.threads.smi_count += t->smi_count; 1177562a2d37SLen Brown 1178388e9c81SLen Brown for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) { 1179388e9c81SLen Brown if (mp->format == FORMAT_RAW) 1180388e9c81SLen Brown continue; 1181388e9c81SLen Brown average.threads.counter[i] += t->counter[i]; 1182388e9c81SLen Brown } 1183388e9c81SLen Brown 1184c98d5d94SLen Brown /* sum per-core values only for 1st thread in core */ 1185c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 1186c98d5d94SLen Brown return 0; 1187c98d5d94SLen Brown 1188c98d5d94SLen Brown average.cores.c3 += c->c3; 1189c98d5d94SLen Brown average.cores.c6 += c->c6; 1190c98d5d94SLen Brown average.cores.c7 += c->c7; 11910539ba11SLen Brown average.cores.mc6_us += c->mc6_us; 1192c98d5d94SLen Brown 1193889facbeSLen Brown average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c); 1194889facbeSLen Brown 1195388e9c81SLen Brown for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) { 1196388e9c81SLen Brown if (mp->format == FORMAT_RAW) 1197388e9c81SLen Brown continue; 1198388e9c81SLen Brown average.cores.counter[i] += c->counter[i]; 1199388e9c81SLen Brown } 1200388e9c81SLen Brown 1201c98d5d94SLen Brown /* sum per-pkg values only for 1st core in pkg */ 1202c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 1203c98d5d94SLen Brown return 0; 1204c98d5d94SLen Brown 12050b2bb692SLen Brown if (do_skl_residency) { 12060b2bb692SLen Brown average.packages.pkg_wtd_core_c0 += p->pkg_wtd_core_c0; 12070b2bb692SLen Brown average.packages.pkg_any_core_c0 += p->pkg_any_core_c0; 12080b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 += p->pkg_any_gfxe_c0; 12090b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 += p->pkg_both_core_gfxe_c0; 12100b2bb692SLen Brown } 12110b2bb692SLen Brown 1212c98d5d94SLen Brown average.packages.pc2 += p->pc2; 12130f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc3)) 1214c98d5d94SLen Brown average.packages.pc3 += p->pc3; 12150f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc6)) 1216c98d5d94SLen Brown average.packages.pc6 += p->pc6; 12170f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc7)) 1218c98d5d94SLen Brown average.packages.pc7 += p->pc7; 1219ca58710fSKristen Carlson Accardi average.packages.pc8 += p->pc8; 1220ca58710fSKristen Carlson Accardi average.packages.pc9 += p->pc9; 1221ca58710fSKristen Carlson Accardi average.packages.pc10 += p->pc10; 1222c98d5d94SLen Brown 1223889facbeSLen Brown average.packages.energy_pkg += p->energy_pkg; 1224889facbeSLen Brown average.packages.energy_dram += p->energy_dram; 1225889facbeSLen Brown average.packages.energy_cores += p->energy_cores; 1226889facbeSLen Brown average.packages.energy_gfx += p->energy_gfx; 1227889facbeSLen Brown 1228fdf676e5SLen Brown average.packages.gfx_rc6_ms = p->gfx_rc6_ms; 122927d47356SLen Brown average.packages.gfx_mhz = p->gfx_mhz; 123027d47356SLen Brown 1231889facbeSLen Brown average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c); 1232889facbeSLen Brown 1233889facbeSLen Brown average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status; 1234889facbeSLen Brown average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status; 1235388e9c81SLen Brown 1236388e9c81SLen Brown for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) { 1237388e9c81SLen Brown if (mp->format == FORMAT_RAW) 1238388e9c81SLen Brown continue; 1239388e9c81SLen Brown average.packages.counter[i] += p->counter[i]; 1240388e9c81SLen Brown } 1241c98d5d94SLen Brown return 0; 1242c98d5d94SLen Brown } 1243c98d5d94SLen Brown /* 1244c98d5d94SLen Brown * sum the counters for all cpus in the system 1245c98d5d94SLen Brown * compute the weighted average 1246c98d5d94SLen Brown */ 1247c98d5d94SLen Brown void compute_average(struct thread_data *t, struct core_data *c, 1248c98d5d94SLen Brown struct pkg_data *p) 1249c98d5d94SLen Brown { 1250388e9c81SLen Brown int i; 1251388e9c81SLen Brown struct msr_counter *mp; 1252388e9c81SLen Brown 1253c98d5d94SLen Brown clear_counters(&average.threads, &average.cores, &average.packages); 1254c98d5d94SLen Brown 1255c98d5d94SLen Brown for_all_cpus(sum_counters, t, c, p); 1256c98d5d94SLen Brown 1257c98d5d94SLen Brown average.threads.tsc /= topo.num_cpus; 1258c98d5d94SLen Brown average.threads.aperf /= topo.num_cpus; 1259c98d5d94SLen Brown average.threads.mperf /= topo.num_cpus; 1260c98d5d94SLen Brown average.threads.c1 /= topo.num_cpus; 1261c98d5d94SLen Brown 1262c98d5d94SLen Brown average.cores.c3 /= topo.num_cores; 1263c98d5d94SLen Brown average.cores.c6 /= topo.num_cores; 1264c98d5d94SLen Brown average.cores.c7 /= topo.num_cores; 12650539ba11SLen Brown average.cores.mc6_us /= topo.num_cores; 1266c98d5d94SLen Brown 12670b2bb692SLen Brown if (do_skl_residency) { 12680b2bb692SLen Brown average.packages.pkg_wtd_core_c0 /= topo.num_packages; 12690b2bb692SLen Brown average.packages.pkg_any_core_c0 /= topo.num_packages; 12700b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 /= topo.num_packages; 12710b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 /= topo.num_packages; 12720b2bb692SLen Brown } 12730b2bb692SLen Brown 1274c98d5d94SLen Brown average.packages.pc2 /= topo.num_packages; 12750f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc3)) 1276c98d5d94SLen Brown average.packages.pc3 /= topo.num_packages; 12770f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc6)) 1278c98d5d94SLen Brown average.packages.pc6 /= topo.num_packages; 12790f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc7)) 1280c98d5d94SLen Brown average.packages.pc7 /= topo.num_packages; 1281ca58710fSKristen Carlson Accardi 1282ca58710fSKristen Carlson Accardi average.packages.pc8 /= topo.num_packages; 1283ca58710fSKristen Carlson Accardi average.packages.pc9 /= topo.num_packages; 1284ca58710fSKristen Carlson Accardi average.packages.pc10 /= topo.num_packages; 1285388e9c81SLen Brown 1286388e9c81SLen Brown for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) { 1287388e9c81SLen Brown if (mp->format == FORMAT_RAW) 1288388e9c81SLen Brown continue; 1289388e9c81SLen Brown average.threads.counter[i] /= topo.num_cpus; 1290388e9c81SLen Brown } 1291388e9c81SLen Brown for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) { 1292388e9c81SLen Brown if (mp->format == FORMAT_RAW) 1293388e9c81SLen Brown continue; 1294388e9c81SLen Brown average.cores.counter[i] /= topo.num_cores; 1295388e9c81SLen Brown } 1296388e9c81SLen Brown for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) { 1297388e9c81SLen Brown if (mp->format == FORMAT_RAW) 1298388e9c81SLen Brown continue; 1299388e9c81SLen Brown average.packages.counter[i] /= topo.num_packages; 1300388e9c81SLen Brown } 1301c98d5d94SLen Brown } 1302c98d5d94SLen Brown 1303c98d5d94SLen Brown static unsigned long long rdtsc(void) 1304c98d5d94SLen Brown { 1305c98d5d94SLen Brown unsigned int low, high; 1306c98d5d94SLen Brown 1307c98d5d94SLen Brown asm volatile("rdtsc" : "=a" (low), "=d" (high)); 1308c98d5d94SLen Brown 1309c98d5d94SLen Brown return low | ((unsigned long long)high) << 32; 1310c98d5d94SLen Brown } 1311c98d5d94SLen Brown 1312c98d5d94SLen Brown /* 1313*495c7654SLen Brown * Open a file, and exit on failure 1314*495c7654SLen Brown */ 1315*495c7654SLen Brown FILE *fopen_or_die(const char *path, const char *mode) 1316*495c7654SLen Brown { 1317*495c7654SLen Brown FILE *filep = fopen(path, mode); 1318*495c7654SLen Brown 1319*495c7654SLen Brown if (!filep) 1320*495c7654SLen Brown err(1, "%s: open failed", path); 1321*495c7654SLen Brown return filep; 1322*495c7654SLen Brown } 1323*495c7654SLen Brown /* 1324*495c7654SLen Brown * snapshot_sysfs_counter() 1325*495c7654SLen Brown * 1326*495c7654SLen Brown * return snapshot of given counter 1327*495c7654SLen Brown */ 1328*495c7654SLen Brown unsigned long long snapshot_sysfs_counter(char *path) 1329*495c7654SLen Brown { 1330*495c7654SLen Brown FILE *fp; 1331*495c7654SLen Brown int retval; 1332*495c7654SLen Brown unsigned long long counter; 1333*495c7654SLen Brown 1334*495c7654SLen Brown fp = fopen_or_die(path, "r"); 1335*495c7654SLen Brown 1336*495c7654SLen Brown retval = fscanf(fp, "%lld", &counter); 1337*495c7654SLen Brown if (retval != 1) 1338*495c7654SLen Brown err(1, "snapshot_sysfs_counter(%s)", path); 1339*495c7654SLen Brown 1340*495c7654SLen Brown fclose(fp); 1341*495c7654SLen Brown 1342*495c7654SLen Brown return counter; 1343*495c7654SLen Brown } 1344*495c7654SLen Brown 1345*495c7654SLen Brown int get_mp(int cpu, struct msr_counter *mp, unsigned long long *counterp) 1346*495c7654SLen Brown { 1347*495c7654SLen Brown if (mp->msr_num != 0) { 1348*495c7654SLen Brown if (get_msr(cpu, mp->msr_num, counterp)) 1349*495c7654SLen Brown return -1; 1350*495c7654SLen Brown } else { 1351*495c7654SLen Brown *counterp = snapshot_sysfs_counter(mp->path); 1352*495c7654SLen Brown } 1353*495c7654SLen Brown 1354*495c7654SLen Brown return 0; 1355*495c7654SLen Brown } 1356*495c7654SLen Brown 1357*495c7654SLen Brown /* 1358c98d5d94SLen Brown * get_counters(...) 1359c98d5d94SLen Brown * migrate to cpu 1360c98d5d94SLen Brown * acquire and record local counters for that cpu 1361c98d5d94SLen Brown */ 1362c98d5d94SLen Brown int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1363c98d5d94SLen Brown { 1364c98d5d94SLen Brown int cpu = t->cpu_id; 1365889facbeSLen Brown unsigned long long msr; 13660102b067SLen Brown int aperf_mperf_retry_count = 0; 1367388e9c81SLen Brown struct msr_counter *mp; 1368388e9c81SLen Brown int i; 1369c98d5d94SLen Brown 1370e52966c0SLen Brown if (cpu_migrate(cpu)) { 1371b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 137215aaa346SLen Brown return -1; 1373e52966c0SLen Brown } 137415aaa346SLen Brown 13750102b067SLen Brown retry: 1376c98d5d94SLen Brown t->tsc = rdtsc(); /* we are running on local CPU of interest */ 137715aaa346SLen Brown 1378812db3f7SLen Brown if (DO_BIC(BIC_Avg_MHz) || DO_BIC(BIC_Busy) || DO_BIC(BIC_Bzy_MHz)) { 13790102b067SLen Brown unsigned long long tsc_before, tsc_between, tsc_after, aperf_time, mperf_time; 13800102b067SLen Brown 13810102b067SLen Brown /* 13820102b067SLen Brown * The TSC, APERF and MPERF must be read together for 13830102b067SLen Brown * APERF/MPERF and MPERF/TSC to give accurate results. 13840102b067SLen Brown * 13850102b067SLen Brown * Unfortunately, APERF and MPERF are read by 13860102b067SLen Brown * individual system call, so delays may occur 13870102b067SLen Brown * between them. If the time to read them 13880102b067SLen Brown * varies by a large amount, we re-read them. 13890102b067SLen Brown */ 13900102b067SLen Brown 13910102b067SLen Brown /* 13920102b067SLen Brown * This initial dummy APERF read has been seen to 13930102b067SLen Brown * reduce jitter in the subsequent reads. 13940102b067SLen Brown */ 13950102b067SLen Brown 13969c63a650SLen Brown if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 1397c98d5d94SLen Brown return -3; 13980102b067SLen Brown 13990102b067SLen Brown t->tsc = rdtsc(); /* re-read close to APERF */ 14000102b067SLen Brown 14010102b067SLen Brown tsc_before = t->tsc; 14020102b067SLen Brown 14030102b067SLen Brown if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 14040102b067SLen Brown return -3; 14050102b067SLen Brown 14060102b067SLen Brown tsc_between = rdtsc(); 14070102b067SLen Brown 14089c63a650SLen Brown if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf)) 1409c98d5d94SLen Brown return -4; 14100102b067SLen Brown 14110102b067SLen Brown tsc_after = rdtsc(); 14120102b067SLen Brown 14130102b067SLen Brown aperf_time = tsc_between - tsc_before; 14140102b067SLen Brown mperf_time = tsc_after - tsc_between; 14150102b067SLen Brown 14160102b067SLen Brown /* 14170102b067SLen Brown * If the system call latency to read APERF and MPERF 14180102b067SLen Brown * differ by more than 2x, then try again. 14190102b067SLen Brown */ 14200102b067SLen Brown if ((aperf_time > (2 * mperf_time)) || (mperf_time > (2 * aperf_time))) { 14210102b067SLen Brown aperf_mperf_retry_count++; 14220102b067SLen Brown if (aperf_mperf_retry_count < 5) 14230102b067SLen Brown goto retry; 14240102b067SLen Brown else 14250102b067SLen Brown warnx("cpu%d jitter %lld %lld", 14260102b067SLen Brown cpu, aperf_time, mperf_time); 14270102b067SLen Brown } 14280102b067SLen Brown aperf_mperf_retry_count = 0; 14290102b067SLen Brown 1430b2b34dfeSHubert Chrzaniuk t->aperf = t->aperf * aperf_mperf_multiplier; 1431b2b34dfeSHubert Chrzaniuk t->mperf = t->mperf * aperf_mperf_multiplier; 143288c3281fSLen Brown } 143388c3281fSLen Brown 1434812db3f7SLen Brown if (DO_BIC(BIC_IRQ)) 1435562a2d37SLen Brown t->irq_count = irqs_per_cpu[cpu]; 1436812db3f7SLen Brown if (DO_BIC(BIC_SMI)) { 14371ed51011SLen Brown if (get_msr(cpu, MSR_SMI_COUNT, &msr)) 14381ed51011SLen Brown return -5; 14391ed51011SLen Brown t->smi_count = msr & 0xFFFFFFFF; 14401ed51011SLen Brown } 14410539ba11SLen Brown if (DO_BIC(BIC_CPU_c1) && use_c1_residency_msr) { 1442144b44b1SLen Brown if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1)) 1443144b44b1SLen Brown return -6; 1444144b44b1SLen Brown } 1445144b44b1SLen Brown 1446388e9c81SLen Brown for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) { 1447*495c7654SLen Brown if (get_mp(cpu, mp, &t->counter[i])) 1448388e9c81SLen Brown return -10; 1449388e9c81SLen Brown } 1450388e9c81SLen Brown 1451c98d5d94SLen Brown /* collect core counters only for 1st thread in core */ 1452c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 1453c98d5d94SLen Brown return 0; 1454c98d5d94SLen Brown 1455812db3f7SLen Brown if (DO_BIC(BIC_CPU_c3) && !do_slm_cstates && !do_knl_cstates) { 1456c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3)) 1457c98d5d94SLen Brown return -6; 1458144b44b1SLen Brown } 1459144b44b1SLen Brown 1460812db3f7SLen Brown if (DO_BIC(BIC_CPU_c6) && !do_knl_cstates) { 1461c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6)) 1462c98d5d94SLen Brown return -7; 1463fb5d4327SDasaratharaman Chandramouli } else if (do_knl_cstates) { 1464fb5d4327SDasaratharaman Chandramouli if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6)) 1465fb5d4327SDasaratharaman Chandramouli return -7; 1466103a8feaSLen Brown } 146715aaa346SLen Brown 1468812db3f7SLen Brown if (DO_BIC(BIC_CPU_c7)) 1469c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7)) 1470c98d5d94SLen Brown return -8; 1471c98d5d94SLen Brown 14720539ba11SLen Brown if (DO_BIC(BIC_Mod_c6)) 14730539ba11SLen Brown if (get_msr(cpu, MSR_MODULE_C6_RES_MS, &c->mc6_us)) 14740539ba11SLen Brown return -8; 14750539ba11SLen Brown 1476812db3f7SLen Brown if (DO_BIC(BIC_CoreTmp)) { 1477889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 1478889facbeSLen Brown return -9; 1479889facbeSLen Brown c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1480889facbeSLen Brown } 1481889facbeSLen Brown 1482388e9c81SLen Brown for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) { 1483*495c7654SLen Brown if (get_mp(cpu, mp, &c->counter[i])) 1484388e9c81SLen Brown return -10; 1485388e9c81SLen Brown } 1486889facbeSLen Brown 1487c98d5d94SLen Brown /* collect package counters only for 1st core in package */ 1488c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 1489c98d5d94SLen Brown return 0; 149015aaa346SLen Brown 14910b2bb692SLen Brown if (do_skl_residency) { 14920b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_WEIGHTED_CORE_C0_RES, &p->pkg_wtd_core_c0)) 14930b2bb692SLen Brown return -10; 14940b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_CORE_C0_RES, &p->pkg_any_core_c0)) 14950b2bb692SLen Brown return -11; 14960b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_GFXE_C0_RES, &p->pkg_any_gfxe_c0)) 14970b2bb692SLen Brown return -12; 14980b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_BOTH_CORE_GFXE_C0_RES, &p->pkg_both_core_gfxe_c0)) 14990b2bb692SLen Brown return -13; 15000b2bb692SLen Brown } 15010f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc3)) 1502c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3)) 1503c98d5d94SLen Brown return -9; 15040f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc6)) { 15050539ba11SLen Brown if (do_slm_cstates) { 15060539ba11SLen Brown if (get_msr(cpu, MSR_ATOM_PKG_C6_RESIDENCY, &p->pc6)) 15070539ba11SLen Brown return -10; 15080539ba11SLen Brown } else { 1509c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6)) 1510c98d5d94SLen Brown return -10; 15110539ba11SLen Brown } 15120539ba11SLen Brown } 15130539ba11SLen Brown 15140f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc2)) 1515c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2)) 1516c98d5d94SLen Brown return -11; 15170f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc7)) 1518c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7)) 1519c98d5d94SLen Brown return -12; 15200f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc8)) 1521ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8)) 1522ca58710fSKristen Carlson Accardi return -13; 15230f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc9)) 1524ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9)) 1525ca58710fSKristen Carlson Accardi return -13; 15260f47c08dSLen Brown if (DO_BIC(BIC_Pkgpc10)) 1527ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10)) 1528ca58710fSKristen Carlson Accardi return -13; 15290f47c08dSLen Brown 1530889facbeSLen Brown if (do_rapl & RAPL_PKG) { 1531889facbeSLen Brown if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr)) 1532889facbeSLen Brown return -13; 1533889facbeSLen Brown p->energy_pkg = msr & 0xFFFFFFFF; 1534889facbeSLen Brown } 15359148494cSJacob Pan if (do_rapl & RAPL_CORES_ENERGY_STATUS) { 1536889facbeSLen Brown if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr)) 1537889facbeSLen Brown return -14; 1538889facbeSLen Brown p->energy_cores = msr & 0xFFFFFFFF; 1539889facbeSLen Brown } 1540889facbeSLen Brown if (do_rapl & RAPL_DRAM) { 1541889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr)) 1542889facbeSLen Brown return -15; 1543889facbeSLen Brown p->energy_dram = msr & 0xFFFFFFFF; 1544889facbeSLen Brown } 1545889facbeSLen Brown if (do_rapl & RAPL_GFX) { 1546889facbeSLen Brown if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr)) 1547889facbeSLen Brown return -16; 1548889facbeSLen Brown p->energy_gfx = msr & 0xFFFFFFFF; 1549889facbeSLen Brown } 1550889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) { 1551889facbeSLen Brown if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr)) 1552889facbeSLen Brown return -16; 1553889facbeSLen Brown p->rapl_pkg_perf_status = msr & 0xFFFFFFFF; 1554889facbeSLen Brown } 1555889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) { 1556889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr)) 1557889facbeSLen Brown return -16; 1558889facbeSLen Brown p->rapl_dram_perf_status = msr & 0xFFFFFFFF; 1559889facbeSLen Brown } 1560812db3f7SLen Brown if (DO_BIC(BIC_PkgTmp)) { 1561889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 1562889facbeSLen Brown return -17; 1563889facbeSLen Brown p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1564889facbeSLen Brown } 1565fdf676e5SLen Brown 1566812db3f7SLen Brown if (DO_BIC(BIC_GFX_rc6)) 1567fdf676e5SLen Brown p->gfx_rc6_ms = gfx_cur_rc6_ms; 1568fdf676e5SLen Brown 1569812db3f7SLen Brown if (DO_BIC(BIC_GFXMHz)) 157027d47356SLen Brown p->gfx_mhz = gfx_cur_mhz; 157127d47356SLen Brown 1572388e9c81SLen Brown for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) { 1573*495c7654SLen Brown if (get_mp(cpu, mp, &p->counter[i])) 1574388e9c81SLen Brown return -10; 1575388e9c81SLen Brown } 1576388e9c81SLen Brown 157715aaa346SLen Brown return 0; 1578103a8feaSLen Brown } 1579103a8feaSLen Brown 1580ee7e38e3SLen Brown /* 1581ee7e38e3SLen Brown * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit: 1582ee7e38e3SLen Brown * If you change the values, note they are used both in comparisons 1583ee7e38e3SLen Brown * (>= PCL__7) and to index pkg_cstate_limit_strings[]. 1584ee7e38e3SLen Brown */ 1585ee7e38e3SLen Brown 1586ee7e38e3SLen Brown #define PCLUKN 0 /* Unknown */ 1587ee7e38e3SLen Brown #define PCLRSV 1 /* Reserved */ 1588ee7e38e3SLen Brown #define PCL__0 2 /* PC0 */ 1589ee7e38e3SLen Brown #define PCL__1 3 /* PC1 */ 1590ee7e38e3SLen Brown #define PCL__2 4 /* PC2 */ 1591ee7e38e3SLen Brown #define PCL__3 5 /* PC3 */ 1592ee7e38e3SLen Brown #define PCL__4 6 /* PC4 */ 1593ee7e38e3SLen Brown #define PCL__6 7 /* PC6 */ 1594ee7e38e3SLen Brown #define PCL_6N 8 /* PC6 No Retention */ 1595ee7e38e3SLen Brown #define PCL_6R 9 /* PC6 Retention */ 1596ee7e38e3SLen Brown #define PCL__7 10 /* PC7 */ 1597ee7e38e3SLen Brown #define PCL_7S 11 /* PC7 Shrink */ 15980b2bb692SLen Brown #define PCL__8 12 /* PC8 */ 15990b2bb692SLen Brown #define PCL__9 13 /* PC9 */ 16000b2bb692SLen Brown #define PCLUNL 14 /* Unlimited */ 1601ee7e38e3SLen Brown 1602ee7e38e3SLen Brown int pkg_cstate_limit = PCLUKN; 1603ee7e38e3SLen Brown char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2", 16040b2bb692SLen Brown "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "unlimited"}; 1605ee7e38e3SLen Brown 1606e9257f5fSLen Brown int nhm_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__3, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1607e9257f5fSLen Brown int snb_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCL__7, PCL_7S, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1608e9257f5fSLen Brown int hsw_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL__3, PCL__6, PCL__7, PCL_7S, PCL__8, PCL__9, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 16090539ba11SLen Brown int slv_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7}; 1610f2642888SLen Brown int amt_pkg_cstate_limits[16] = {PCLUNL, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1611e9257f5fSLen Brown int phi_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1612e4085d54SLen Brown int bxt_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1613d8ebb442SLen Brown int skx_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1614ee7e38e3SLen Brown 1615a2b7b749SLen Brown 1616a2b7b749SLen Brown static void 1617a2b7b749SLen Brown calculate_tsc_tweak() 1618a2b7b749SLen Brown { 1619a2b7b749SLen Brown tsc_tweak = base_hz / tsc_hz; 1620a2b7b749SLen Brown } 1621a2b7b749SLen Brown 1622fcd17211SLen Brown static void 1623fcd17211SLen Brown dump_nhm_platform_info(void) 1624103a8feaSLen Brown { 1625103a8feaSLen Brown unsigned long long msr; 1626103a8feaSLen Brown unsigned int ratio; 1627103a8feaSLen Brown 1628ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 1629103a8feaSLen Brown 1630b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr); 16316574a5d5SLen Brown 1632103a8feaSLen Brown ratio = (msr >> 40) & 0xFF; 1633710f273bSLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max efficiency frequency\n", 1634103a8feaSLen Brown ratio, bclk, ratio * bclk); 1635103a8feaSLen Brown 1636103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1637710f273bSLen Brown fprintf(outf, "%d * %.1f = %.1f MHz base frequency\n", 1638103a8feaSLen Brown ratio, bclk, ratio * bclk); 1639103a8feaSLen Brown 16407ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr); 1641b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n", 1642bfae2052SLen Brown base_cpu, msr, msr & 0x2 ? "EN" : "DIS"); 164367920418SLen Brown 1644fcd17211SLen Brown return; 1645fcd17211SLen Brown } 1646fcd17211SLen Brown 1647fcd17211SLen Brown static void 1648fcd17211SLen Brown dump_hsw_turbo_ratio_limits(void) 1649fcd17211SLen Brown { 1650fcd17211SLen Brown unsigned long long msr; 1651fcd17211SLen Brown unsigned int ratio; 1652fcd17211SLen Brown 16537ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr); 1654fcd17211SLen Brown 1655b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr); 1656fcd17211SLen Brown 1657fcd17211SLen Brown ratio = (msr >> 8) & 0xFF; 1658fcd17211SLen Brown if (ratio) 1659710f273bSLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo 18 active cores\n", 1660fcd17211SLen Brown ratio, bclk, ratio * bclk); 1661fcd17211SLen Brown 1662fcd17211SLen Brown ratio = (msr >> 0) & 0xFF; 1663fcd17211SLen Brown if (ratio) 1664710f273bSLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo 17 active cores\n", 1665fcd17211SLen Brown ratio, bclk, ratio * bclk); 1666fcd17211SLen Brown return; 1667fcd17211SLen Brown } 1668fcd17211SLen Brown 1669fcd17211SLen Brown static void 1670fcd17211SLen Brown dump_ivt_turbo_ratio_limits(void) 1671fcd17211SLen Brown { 1672fcd17211SLen Brown unsigned long long msr; 1673fcd17211SLen Brown unsigned int ratio; 16746574a5d5SLen Brown 16757ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr); 16766574a5d5SLen Brown 1677b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr); 16786574a5d5SLen Brown 16796574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 16806574a5d5SLen Brown if (ratio) 1681710f273bSLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo 16 active cores\n", 16826574a5d5SLen Brown ratio, bclk, ratio * bclk); 16836574a5d5SLen Brown 16846574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 16856574a5d5SLen Brown if (ratio) 1686710f273bSLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo 15 active cores\n", 16876574a5d5SLen Brown ratio, bclk, ratio * bclk); 16886574a5d5SLen Brown 16896574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 16906574a5d5SLen Brown if (ratio) 1691710f273bSLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo 14 active cores\n", 16926574a5d5SLen Brown ratio, bclk, ratio * bclk); 16936574a5d5SLen Brown 16946574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 16956574a5d5SLen Brown if (ratio) 1696710f273bSLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo 13 active cores\n", 16976574a5d5SLen Brown ratio, bclk, ratio * bclk); 16986574a5d5SLen Brown 16996574a5d5SLen Brown ratio = (msr >> 24) & 0xFF; 17006574a5d5SLen Brown if (ratio) 1701710f273bSLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo 12 active cores\n", 17026574a5d5SLen Brown ratio, bclk, ratio * bclk); 17036574a5d5SLen Brown 17046574a5d5SLen Brown ratio = (msr >> 16) & 0xFF; 17056574a5d5SLen Brown if (ratio) 1706710f273bSLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo 11 active cores\n", 17076574a5d5SLen Brown ratio, bclk, ratio * bclk); 17086574a5d5SLen Brown 17096574a5d5SLen Brown ratio = (msr >> 8) & 0xFF; 17106574a5d5SLen Brown if (ratio) 1711710f273bSLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo 10 active cores\n", 17126574a5d5SLen Brown ratio, bclk, ratio * bclk); 17136574a5d5SLen Brown 17146574a5d5SLen Brown ratio = (msr >> 0) & 0xFF; 17156574a5d5SLen Brown if (ratio) 1716710f273bSLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo 9 active cores\n", 17176574a5d5SLen Brown ratio, bclk, ratio * bclk); 1718103a8feaSLen Brown return; 1719fcd17211SLen Brown } 172031e07522SLen Brown int has_turbo_ratio_group_limits(int family, int model) 172131e07522SLen Brown { 172231e07522SLen Brown 172331e07522SLen Brown if (!genuine_intel) 172431e07522SLen Brown return 0; 172531e07522SLen Brown 172631e07522SLen Brown switch (model) { 172731e07522SLen Brown case INTEL_FAM6_ATOM_GOLDMONT: 172831e07522SLen Brown case INTEL_FAM6_SKYLAKE_X: 172931e07522SLen Brown case INTEL_FAM6_ATOM_DENVERTON: 173031e07522SLen Brown return 1; 173131e07522SLen Brown } 173231e07522SLen Brown return 0; 173331e07522SLen Brown } 1734fcd17211SLen Brown 1735fcd17211SLen Brown static void 173631e07522SLen Brown dump_turbo_ratio_limits(int family, int model) 1737fcd17211SLen Brown { 173831e07522SLen Brown unsigned long long msr, core_counts; 173931e07522SLen Brown unsigned int ratio, group_size; 1740103a8feaSLen Brown 17417ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); 1742b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr); 17436574a5d5SLen Brown 174431e07522SLen Brown if (has_turbo_ratio_group_limits(family, model)) { 174531e07522SLen Brown get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &core_counts); 174631e07522SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, core_counts); 174731e07522SLen Brown } else { 174831e07522SLen Brown core_counts = 0x0807060504030201; 174931e07522SLen Brown } 175031e07522SLen Brown 17516574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 175231e07522SLen Brown group_size = (core_counts >> 56) & 0xFF; 17536574a5d5SLen Brown if (ratio) 175431e07522SLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 175531e07522SLen Brown ratio, bclk, ratio * bclk, group_size); 17566574a5d5SLen Brown 17576574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 175831e07522SLen Brown group_size = (core_counts >> 48) & 0xFF; 17596574a5d5SLen Brown if (ratio) 176031e07522SLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 176131e07522SLen Brown ratio, bclk, ratio * bclk, group_size); 17626574a5d5SLen Brown 17636574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 176431e07522SLen Brown group_size = (core_counts >> 40) & 0xFF; 17656574a5d5SLen Brown if (ratio) 176631e07522SLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 176731e07522SLen Brown ratio, bclk, ratio * bclk, group_size); 17686574a5d5SLen Brown 17696574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 177031e07522SLen Brown group_size = (core_counts >> 32) & 0xFF; 17716574a5d5SLen Brown if (ratio) 177231e07522SLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 177331e07522SLen Brown ratio, bclk, ratio * bclk, group_size); 17746574a5d5SLen Brown 1775103a8feaSLen Brown ratio = (msr >> 24) & 0xFF; 177631e07522SLen Brown group_size = (core_counts >> 24) & 0xFF; 1777103a8feaSLen Brown if (ratio) 177831e07522SLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 177931e07522SLen Brown ratio, bclk, ratio * bclk, group_size); 1780103a8feaSLen Brown 1781103a8feaSLen Brown ratio = (msr >> 16) & 0xFF; 178231e07522SLen Brown group_size = (core_counts >> 16) & 0xFF; 1783103a8feaSLen Brown if (ratio) 178431e07522SLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 178531e07522SLen Brown ratio, bclk, ratio * bclk, group_size); 1786103a8feaSLen Brown 1787103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 178831e07522SLen Brown group_size = (core_counts >> 8) & 0xFF; 1789103a8feaSLen Brown if (ratio) 179031e07522SLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 179131e07522SLen Brown ratio, bclk, ratio * bclk, group_size); 1792103a8feaSLen Brown 1793103a8feaSLen Brown ratio = (msr >> 0) & 0xFF; 179431e07522SLen Brown group_size = (core_counts >> 0) & 0xFF; 1795103a8feaSLen Brown if (ratio) 179631e07522SLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n", 179731e07522SLen Brown ratio, bclk, ratio * bclk, group_size); 1798fcd17211SLen Brown return; 1799fcd17211SLen Brown } 18003a9a941dSLen Brown 1801fcd17211SLen Brown static void 18020f7887c4SLen Brown dump_atom_turbo_ratio_limits(void) 18030f7887c4SLen Brown { 18040f7887c4SLen Brown unsigned long long msr; 18050f7887c4SLen Brown unsigned int ratio; 18060f7887c4SLen Brown 18070f7887c4SLen Brown get_msr(base_cpu, MSR_ATOM_CORE_RATIOS, &msr); 18080f7887c4SLen Brown fprintf(outf, "cpu%d: MSR_ATOM_CORE_RATIOS: 0x%08llx\n", base_cpu, msr & 0xFFFFFFFF); 18090f7887c4SLen Brown 18100f7887c4SLen Brown ratio = (msr >> 0) & 0x3F; 18110f7887c4SLen Brown if (ratio) 18120f7887c4SLen Brown fprintf(outf, "%d * %.1f = %.1f MHz minimum operating frequency\n", 18130f7887c4SLen Brown ratio, bclk, ratio * bclk); 18140f7887c4SLen Brown 18150f7887c4SLen Brown ratio = (msr >> 8) & 0x3F; 18160f7887c4SLen Brown if (ratio) 18170f7887c4SLen Brown fprintf(outf, "%d * %.1f = %.1f MHz low frequency mode (LFM)\n", 18180f7887c4SLen Brown ratio, bclk, ratio * bclk); 18190f7887c4SLen Brown 18200f7887c4SLen Brown ratio = (msr >> 16) & 0x3F; 18210f7887c4SLen Brown if (ratio) 18220f7887c4SLen Brown fprintf(outf, "%d * %.1f = %.1f MHz base frequency\n", 18230f7887c4SLen Brown ratio, bclk, ratio * bclk); 18240f7887c4SLen Brown 18250f7887c4SLen Brown get_msr(base_cpu, MSR_ATOM_CORE_TURBO_RATIOS, &msr); 18260f7887c4SLen Brown fprintf(outf, "cpu%d: MSR_ATOM_CORE_TURBO_RATIOS: 0x%08llx\n", base_cpu, msr & 0xFFFFFFFF); 18270f7887c4SLen Brown 18280f7887c4SLen Brown ratio = (msr >> 24) & 0x3F; 18290f7887c4SLen Brown if (ratio) 18300f7887c4SLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo 4 active cores\n", 18310f7887c4SLen Brown ratio, bclk, ratio * bclk); 18320f7887c4SLen Brown 18330f7887c4SLen Brown ratio = (msr >> 16) & 0x3F; 18340f7887c4SLen Brown if (ratio) 18350f7887c4SLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo 3 active cores\n", 18360f7887c4SLen Brown ratio, bclk, ratio * bclk); 18370f7887c4SLen Brown 18380f7887c4SLen Brown ratio = (msr >> 8) & 0x3F; 18390f7887c4SLen Brown if (ratio) 18400f7887c4SLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo 2 active cores\n", 18410f7887c4SLen Brown ratio, bclk, ratio * bclk); 18420f7887c4SLen Brown 18430f7887c4SLen Brown ratio = (msr >> 0) & 0x3F; 18440f7887c4SLen Brown if (ratio) 18450f7887c4SLen Brown fprintf(outf, "%d * %.1f = %.1f MHz max turbo 1 active core\n", 18460f7887c4SLen Brown ratio, bclk, ratio * bclk); 18470f7887c4SLen Brown } 18480f7887c4SLen Brown 18490f7887c4SLen Brown static void 1850fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(void) 1851fb5d4327SDasaratharaman Chandramouli { 1852cbf97abaSHubert Chrzaniuk const unsigned int buckets_no = 7; 1853cbf97abaSHubert Chrzaniuk 1854fb5d4327SDasaratharaman Chandramouli unsigned long long msr; 1855cbf97abaSHubert Chrzaniuk int delta_cores, delta_ratio; 1856cbf97abaSHubert Chrzaniuk int i, b_nr; 1857cbf97abaSHubert Chrzaniuk unsigned int cores[buckets_no]; 1858cbf97abaSHubert Chrzaniuk unsigned int ratio[buckets_no]; 1859fb5d4327SDasaratharaman Chandramouli 1860ebf5926aSSrinivas Pandruvada get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); 1861fb5d4327SDasaratharaman Chandramouli 1862b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", 1863bfae2052SLen Brown base_cpu, msr); 1864fb5d4327SDasaratharaman Chandramouli 1865fb5d4327SDasaratharaman Chandramouli /** 1866fb5d4327SDasaratharaman Chandramouli * Turbo encoding in KNL is as follows: 1867cbf97abaSHubert Chrzaniuk * [0] -- Reserved 1868cbf97abaSHubert Chrzaniuk * [7:1] -- Base value of number of active cores of bucket 1. 1869fb5d4327SDasaratharaman Chandramouli * [15:8] -- Base value of freq ratio of bucket 1. 1870fb5d4327SDasaratharaman Chandramouli * [20:16] -- +ve delta of number of active cores of bucket 2. 1871fb5d4327SDasaratharaman Chandramouli * i.e. active cores of bucket 2 = 1872fb5d4327SDasaratharaman Chandramouli * active cores of bucket 1 + delta 1873fb5d4327SDasaratharaman Chandramouli * [23:21] -- Negative delta of freq ratio of bucket 2. 1874fb5d4327SDasaratharaman Chandramouli * i.e. freq ratio of bucket 2 = 1875fb5d4327SDasaratharaman Chandramouli * freq ratio of bucket 1 - delta 1876fb5d4327SDasaratharaman Chandramouli * [28:24]-- +ve delta of number of active cores of bucket 3. 1877fb5d4327SDasaratharaman Chandramouli * [31:29]-- -ve delta of freq ratio of bucket 3. 1878fb5d4327SDasaratharaman Chandramouli * [36:32]-- +ve delta of number of active cores of bucket 4. 1879fb5d4327SDasaratharaman Chandramouli * [39:37]-- -ve delta of freq ratio of bucket 4. 1880fb5d4327SDasaratharaman Chandramouli * [44:40]-- +ve delta of number of active cores of bucket 5. 1881fb5d4327SDasaratharaman Chandramouli * [47:45]-- -ve delta of freq ratio of bucket 5. 1882fb5d4327SDasaratharaman Chandramouli * [52:48]-- +ve delta of number of active cores of bucket 6. 1883fb5d4327SDasaratharaman Chandramouli * [55:53]-- -ve delta of freq ratio of bucket 6. 1884fb5d4327SDasaratharaman Chandramouli * [60:56]-- +ve delta of number of active cores of bucket 7. 1885fb5d4327SDasaratharaman Chandramouli * [63:61]-- -ve delta of freq ratio of bucket 7. 1886fb5d4327SDasaratharaman Chandramouli */ 1887fb5d4327SDasaratharaman Chandramouli 1888cbf97abaSHubert Chrzaniuk b_nr = 0; 1889cbf97abaSHubert Chrzaniuk cores[b_nr] = (msr & 0xFF) >> 1; 1890cbf97abaSHubert Chrzaniuk ratio[b_nr] = (msr >> 8) & 0xFF; 1891cbf97abaSHubert Chrzaniuk 1892cbf97abaSHubert Chrzaniuk for (i = 16; i < 64; i += 8) { 1893fb5d4327SDasaratharaman Chandramouli delta_cores = (msr >> i) & 0x1F; 1894cbf97abaSHubert Chrzaniuk delta_ratio = (msr >> (i + 5)) & 0x7; 1895fb5d4327SDasaratharaman Chandramouli 1896cbf97abaSHubert Chrzaniuk cores[b_nr + 1] = cores[b_nr] + delta_cores; 1897cbf97abaSHubert Chrzaniuk ratio[b_nr + 1] = ratio[b_nr] - delta_ratio; 1898cbf97abaSHubert Chrzaniuk b_nr++; 1899fb5d4327SDasaratharaman Chandramouli } 1900cbf97abaSHubert Chrzaniuk 1901cbf97abaSHubert Chrzaniuk for (i = buckets_no - 1; i >= 0; i--) 1902cbf97abaSHubert Chrzaniuk if (i > 0 ? ratio[i] != ratio[i - 1] : 1) 1903b7d8c148SLen Brown fprintf(outf, 1904710f273bSLen Brown "%d * %.1f = %.1f MHz max turbo %d active cores\n", 1905cbf97abaSHubert Chrzaniuk ratio[i], bclk, ratio[i] * bclk, cores[i]); 1906fb5d4327SDasaratharaman Chandramouli } 1907fb5d4327SDasaratharaman Chandramouli 1908fb5d4327SDasaratharaman Chandramouli static void 1909fcd17211SLen Brown dump_nhm_cst_cfg(void) 1910fcd17211SLen Brown { 1911fcd17211SLen Brown unsigned long long msr; 1912fcd17211SLen Brown 19131df2e55aSLen Brown get_msr(base_cpu, MSR_PKG_CST_CONFIG_CONTROL, &msr); 1914fcd17211SLen Brown 1915fcd17211SLen Brown #define SNB_C1_AUTO_UNDEMOTE (1UL << 27) 1916fcd17211SLen Brown #define SNB_C3_AUTO_UNDEMOTE (1UL << 28) 1917fcd17211SLen Brown 19181df2e55aSLen Brown fprintf(outf, "cpu%d: MSR_PKG_CST_CONFIG_CONTROL: 0x%08llx", base_cpu, msr); 1919fcd17211SLen Brown 1920b7d8c148SLen Brown fprintf(outf, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n", 1921fcd17211SLen Brown (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "", 1922fcd17211SLen Brown (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "", 1923fcd17211SLen Brown (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "", 1924fcd17211SLen Brown (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "", 1925fcd17211SLen Brown (msr & (1 << 15)) ? "" : "UN", 19266c34f160SLen Brown (unsigned int)msr & 0xF, 1927fcd17211SLen Brown pkg_cstate_limit_strings[pkg_cstate_limit]); 1928fcd17211SLen Brown return; 1929103a8feaSLen Brown } 1930103a8feaSLen Brown 19316fb3143bSLen Brown static void 19326fb3143bSLen Brown dump_config_tdp(void) 19336fb3143bSLen Brown { 19346fb3143bSLen Brown unsigned long long msr; 19356fb3143bSLen Brown 19366fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr); 1937b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr); 1938685b535bSChen Yu fprintf(outf, " (base_ratio=%d)\n", (unsigned int)msr & 0xFF); 19396fb3143bSLen Brown 19406fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr); 1941b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr); 19426fb3143bSLen Brown if (msr) { 1943685b535bSChen Yu fprintf(outf, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0x7FFF); 1944685b535bSChen Yu fprintf(outf, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0x7FFF); 1945685b535bSChen Yu fprintf(outf, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF); 1946685b535bSChen Yu fprintf(outf, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0x7FFF); 19476fb3143bSLen Brown } 1948b7d8c148SLen Brown fprintf(outf, ")\n"); 19496fb3143bSLen Brown 19506fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr); 1951b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr); 19526fb3143bSLen Brown if (msr) { 1953685b535bSChen Yu fprintf(outf, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0x7FFF); 1954685b535bSChen Yu fprintf(outf, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0x7FFF); 1955685b535bSChen Yu fprintf(outf, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF); 1956685b535bSChen Yu fprintf(outf, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0x7FFF); 19576fb3143bSLen Brown } 1958b7d8c148SLen Brown fprintf(outf, ")\n"); 19596fb3143bSLen Brown 19606fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr); 1961b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr); 19626fb3143bSLen Brown if ((msr) & 0x3) 1963b7d8c148SLen Brown fprintf(outf, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3); 1964b7d8c148SLen Brown fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 1965b7d8c148SLen Brown fprintf(outf, ")\n"); 19666fb3143bSLen Brown 19676fb3143bSLen Brown get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr); 1968b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr); 1969685b535bSChen Yu fprintf(outf, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0xFF); 1970b7d8c148SLen Brown fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 1971b7d8c148SLen Brown fprintf(outf, ")\n"); 19726fb3143bSLen Brown } 19735a63426eSLen Brown 19745a63426eSLen Brown unsigned int irtl_time_units[] = {1, 32, 1024, 32768, 1048576, 33554432, 0, 0 }; 19755a63426eSLen Brown 19765a63426eSLen Brown void print_irtl(void) 19775a63426eSLen Brown { 19785a63426eSLen Brown unsigned long long msr; 19795a63426eSLen Brown 19805a63426eSLen Brown get_msr(base_cpu, MSR_PKGC3_IRTL, &msr); 19815a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC3_IRTL: 0x%08llx (", base_cpu, msr); 19825a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 19835a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 19845a63426eSLen Brown 19855a63426eSLen Brown get_msr(base_cpu, MSR_PKGC6_IRTL, &msr); 19865a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC6_IRTL: 0x%08llx (", base_cpu, msr); 19875a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 19885a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 19895a63426eSLen Brown 19905a63426eSLen Brown get_msr(base_cpu, MSR_PKGC7_IRTL, &msr); 19915a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC7_IRTL: 0x%08llx (", base_cpu, msr); 19925a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 19935a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 19945a63426eSLen Brown 19955a63426eSLen Brown if (!do_irtl_hsw) 19965a63426eSLen Brown return; 19975a63426eSLen Brown 19985a63426eSLen Brown get_msr(base_cpu, MSR_PKGC8_IRTL, &msr); 19995a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC8_IRTL: 0x%08llx (", base_cpu, msr); 20005a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 20015a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 20025a63426eSLen Brown 20035a63426eSLen Brown get_msr(base_cpu, MSR_PKGC9_IRTL, &msr); 20045a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC9_IRTL: 0x%08llx (", base_cpu, msr); 20055a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 20065a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 20075a63426eSLen Brown 20085a63426eSLen Brown get_msr(base_cpu, MSR_PKGC10_IRTL, &msr); 20095a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC10_IRTL: 0x%08llx (", base_cpu, msr); 20105a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 20115a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 20125a63426eSLen Brown 20135a63426eSLen Brown } 201436229897SLen Brown void free_fd_percpu(void) 201536229897SLen Brown { 201636229897SLen Brown int i; 201736229897SLen Brown 201801a67adfSMika Westerberg for (i = 0; i < topo.max_cpu_num + 1; ++i) { 201936229897SLen Brown if (fd_percpu[i] != 0) 202036229897SLen Brown close(fd_percpu[i]); 202136229897SLen Brown } 202236229897SLen Brown 202336229897SLen Brown free(fd_percpu); 20246fb3143bSLen Brown } 20256fb3143bSLen Brown 2026c98d5d94SLen Brown void free_all_buffers(void) 2027103a8feaSLen Brown { 2028c98d5d94SLen Brown CPU_FREE(cpu_present_set); 2029c98d5d94SLen Brown cpu_present_set = NULL; 203036229897SLen Brown cpu_present_setsize = 0; 2031103a8feaSLen Brown 2032c98d5d94SLen Brown CPU_FREE(cpu_affinity_set); 2033c98d5d94SLen Brown cpu_affinity_set = NULL; 2034c98d5d94SLen Brown cpu_affinity_setsize = 0; 2035103a8feaSLen Brown 2036c98d5d94SLen Brown free(thread_even); 2037c98d5d94SLen Brown free(core_even); 2038c98d5d94SLen Brown free(package_even); 2039103a8feaSLen Brown 2040c98d5d94SLen Brown thread_even = NULL; 2041c98d5d94SLen Brown core_even = NULL; 2042c98d5d94SLen Brown package_even = NULL; 2043103a8feaSLen Brown 2044c98d5d94SLen Brown free(thread_odd); 2045c98d5d94SLen Brown free(core_odd); 2046c98d5d94SLen Brown free(package_odd); 2047103a8feaSLen Brown 2048c98d5d94SLen Brown thread_odd = NULL; 2049c98d5d94SLen Brown core_odd = NULL; 2050c98d5d94SLen Brown package_odd = NULL; 2051103a8feaSLen Brown 2052c98d5d94SLen Brown free(output_buffer); 2053c98d5d94SLen Brown output_buffer = NULL; 2054c98d5d94SLen Brown outp = NULL; 205536229897SLen Brown 205636229897SLen Brown free_fd_percpu(); 2057562a2d37SLen Brown 2058562a2d37SLen Brown free(irq_column_2_cpu); 2059562a2d37SLen Brown free(irqs_per_cpu); 2060103a8feaSLen Brown } 2061103a8feaSLen Brown 206257a42a34SJosh Triplett 206357a42a34SJosh Triplett /* 206495aebc44SJosh Triplett * Parse a file containing a single int. 206595aebc44SJosh Triplett */ 206695aebc44SJosh Triplett int parse_int_file(const char *fmt, ...) 206795aebc44SJosh Triplett { 206895aebc44SJosh Triplett va_list args; 206995aebc44SJosh Triplett char path[PATH_MAX]; 207095aebc44SJosh Triplett FILE *filep; 207195aebc44SJosh Triplett int value; 207295aebc44SJosh Triplett 207395aebc44SJosh Triplett va_start(args, fmt); 207495aebc44SJosh Triplett vsnprintf(path, sizeof(path), fmt, args); 207595aebc44SJosh Triplett va_end(args); 207657a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 2077b2c95d90SJosh Triplett if (fscanf(filep, "%d", &value) != 1) 2078b2c95d90SJosh Triplett err(1, "%s: failed to parse number from file", path); 207995aebc44SJosh Triplett fclose(filep); 208095aebc44SJosh Triplett return value; 208195aebc44SJosh Triplett } 208295aebc44SJosh Triplett 208395aebc44SJosh Triplett /* 2084e275b388SDasaratharaman Chandramouli * get_cpu_position_in_core(cpu) 2085e275b388SDasaratharaman Chandramouli * return the position of the CPU among its HT siblings in the core 2086e275b388SDasaratharaman Chandramouli * return -1 if the sibling is not in list 2087103a8feaSLen Brown */ 2088e275b388SDasaratharaman Chandramouli int get_cpu_position_in_core(int cpu) 2089103a8feaSLen Brown { 2090e275b388SDasaratharaman Chandramouli char path[64]; 2091e275b388SDasaratharaman Chandramouli FILE *filep; 2092e275b388SDasaratharaman Chandramouli int this_cpu; 2093e275b388SDasaratharaman Chandramouli char character; 2094e275b388SDasaratharaman Chandramouli int i; 2095e275b388SDasaratharaman Chandramouli 2096e275b388SDasaratharaman Chandramouli sprintf(path, 2097e275b388SDasaratharaman Chandramouli "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", 2098e275b388SDasaratharaman Chandramouli cpu); 2099e275b388SDasaratharaman Chandramouli filep = fopen(path, "r"); 2100e275b388SDasaratharaman Chandramouli if (filep == NULL) { 2101e275b388SDasaratharaman Chandramouli perror(path); 2102e275b388SDasaratharaman Chandramouli exit(1); 2103e275b388SDasaratharaman Chandramouli } 2104e275b388SDasaratharaman Chandramouli 2105e275b388SDasaratharaman Chandramouli for (i = 0; i < topo.num_threads_per_core; i++) { 2106e275b388SDasaratharaman Chandramouli fscanf(filep, "%d", &this_cpu); 2107e275b388SDasaratharaman Chandramouli if (this_cpu == cpu) { 2108e275b388SDasaratharaman Chandramouli fclose(filep); 2109e275b388SDasaratharaman Chandramouli return i; 2110e275b388SDasaratharaman Chandramouli } 2111e275b388SDasaratharaman Chandramouli 2112e275b388SDasaratharaman Chandramouli /* Account for no separator after last thread*/ 2113e275b388SDasaratharaman Chandramouli if (i != (topo.num_threads_per_core - 1)) 2114e275b388SDasaratharaman Chandramouli fscanf(filep, "%c", &character); 2115e275b388SDasaratharaman Chandramouli } 2116e275b388SDasaratharaman Chandramouli 2117e275b388SDasaratharaman Chandramouli fclose(filep); 2118e275b388SDasaratharaman Chandramouli return -1; 2119c98d5d94SLen Brown } 2120103a8feaSLen Brown 2121c98d5d94SLen Brown /* 2122c98d5d94SLen Brown * cpu_is_first_core_in_package(cpu) 2123c98d5d94SLen Brown * return 1 if given CPU is 1st core in package 2124c98d5d94SLen Brown */ 2125c98d5d94SLen Brown int cpu_is_first_core_in_package(int cpu) 2126c98d5d94SLen Brown { 212795aebc44SJosh Triplett return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu); 2128103a8feaSLen Brown } 2129103a8feaSLen Brown 2130103a8feaSLen Brown int get_physical_package_id(int cpu) 2131103a8feaSLen Brown { 213295aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu); 2133103a8feaSLen Brown } 2134103a8feaSLen Brown 2135103a8feaSLen Brown int get_core_id(int cpu) 2136103a8feaSLen Brown { 213795aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu); 2138103a8feaSLen Brown } 2139103a8feaSLen Brown 2140c98d5d94SLen Brown int get_num_ht_siblings(int cpu) 2141c98d5d94SLen Brown { 2142c98d5d94SLen Brown char path[80]; 2143c98d5d94SLen Brown FILE *filep; 2144e275b388SDasaratharaman Chandramouli int sib1; 2145e275b388SDasaratharaman Chandramouli int matches = 0; 2146c98d5d94SLen Brown char character; 2147e275b388SDasaratharaman Chandramouli char str[100]; 2148e275b388SDasaratharaman Chandramouli char *ch; 2149c98d5d94SLen Brown 2150c98d5d94SLen Brown sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); 215157a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 2152e275b388SDasaratharaman Chandramouli 2153103a8feaSLen Brown /* 2154c98d5d94SLen Brown * file format: 2155e275b388SDasaratharaman Chandramouli * A ',' separated or '-' separated set of numbers 2156e275b388SDasaratharaman Chandramouli * (eg 1-2 or 1,3,4,5) 2157c98d5d94SLen Brown */ 2158e275b388SDasaratharaman Chandramouli fscanf(filep, "%d%c\n", &sib1, &character); 2159e275b388SDasaratharaman Chandramouli fseek(filep, 0, SEEK_SET); 2160e275b388SDasaratharaman Chandramouli fgets(str, 100, filep); 2161e275b388SDasaratharaman Chandramouli ch = strchr(str, character); 2162e275b388SDasaratharaman Chandramouli while (ch != NULL) { 2163e275b388SDasaratharaman Chandramouli matches++; 2164e275b388SDasaratharaman Chandramouli ch = strchr(ch+1, character); 2165e275b388SDasaratharaman Chandramouli } 2166c98d5d94SLen Brown 2167c98d5d94SLen Brown fclose(filep); 2168e275b388SDasaratharaman Chandramouli return matches+1; 2169c98d5d94SLen Brown } 2170c98d5d94SLen Brown 2171c98d5d94SLen Brown /* 2172c98d5d94SLen Brown * run func(thread, core, package) in topology order 2173c98d5d94SLen Brown * skip non-present cpus 2174103a8feaSLen Brown */ 2175103a8feaSLen Brown 2176c98d5d94SLen Brown int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *, 2177c98d5d94SLen Brown struct pkg_data *, struct thread_data *, struct core_data *, 2178c98d5d94SLen Brown struct pkg_data *), struct thread_data *thread_base, 2179c98d5d94SLen Brown struct core_data *core_base, struct pkg_data *pkg_base, 2180c98d5d94SLen Brown struct thread_data *thread_base2, struct core_data *core_base2, 2181c98d5d94SLen Brown struct pkg_data *pkg_base2) 2182c98d5d94SLen Brown { 2183c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 2184c98d5d94SLen Brown 2185c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 2186c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 2187c98d5d94SLen Brown for (thread_no = 0; thread_no < 2188c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 2189c98d5d94SLen Brown struct thread_data *t, *t2; 2190c98d5d94SLen Brown struct core_data *c, *c2; 2191c98d5d94SLen Brown struct pkg_data *p, *p2; 2192c98d5d94SLen Brown 2193c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 2194c98d5d94SLen Brown 2195c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 2196c98d5d94SLen Brown continue; 2197c98d5d94SLen Brown 2198c98d5d94SLen Brown t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no); 2199c98d5d94SLen Brown 2200c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 2201c98d5d94SLen Brown c2 = GET_CORE(core_base2, core_no, pkg_no); 2202c98d5d94SLen Brown 2203c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 2204c98d5d94SLen Brown p2 = GET_PKG(pkg_base2, pkg_no); 2205c98d5d94SLen Brown 2206c98d5d94SLen Brown retval = func(t, c, p, t2, c2, p2); 2207c98d5d94SLen Brown if (retval) 2208c98d5d94SLen Brown return retval; 2209c98d5d94SLen Brown } 2210c98d5d94SLen Brown } 2211c98d5d94SLen Brown } 2212c98d5d94SLen Brown return 0; 2213c98d5d94SLen Brown } 2214c98d5d94SLen Brown 2215c98d5d94SLen Brown /* 2216c98d5d94SLen Brown * run func(cpu) on every cpu in /proc/stat 2217c98d5d94SLen Brown * return max_cpu number 2218c98d5d94SLen Brown */ 2219c98d5d94SLen Brown int for_all_proc_cpus(int (func)(int)) 2220103a8feaSLen Brown { 2221103a8feaSLen Brown FILE *fp; 2222c98d5d94SLen Brown int cpu_num; 2223103a8feaSLen Brown int retval; 2224103a8feaSLen Brown 222557a42a34SJosh Triplett fp = fopen_or_die(proc_stat, "r"); 2226103a8feaSLen Brown 2227103a8feaSLen Brown retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n"); 2228b2c95d90SJosh Triplett if (retval != 0) 2229b2c95d90SJosh Triplett err(1, "%s: failed to parse format", proc_stat); 2230103a8feaSLen Brown 2231c98d5d94SLen Brown while (1) { 2232c98d5d94SLen Brown retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num); 2233103a8feaSLen Brown if (retval != 1) 2234103a8feaSLen Brown break; 2235103a8feaSLen Brown 2236c98d5d94SLen Brown retval = func(cpu_num); 2237c98d5d94SLen Brown if (retval) { 2238c98d5d94SLen Brown fclose(fp); 2239c98d5d94SLen Brown return(retval); 2240c98d5d94SLen Brown } 2241103a8feaSLen Brown } 2242103a8feaSLen Brown fclose(fp); 2243c98d5d94SLen Brown return 0; 2244103a8feaSLen Brown } 2245103a8feaSLen Brown 2246103a8feaSLen Brown void re_initialize(void) 2247103a8feaSLen Brown { 2248c98d5d94SLen Brown free_all_buffers(); 2249c98d5d94SLen Brown setup_all_buffers(); 2250c98d5d94SLen Brown printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus); 2251103a8feaSLen Brown } 2252103a8feaSLen Brown 2253c98d5d94SLen Brown 2254103a8feaSLen Brown /* 2255c98d5d94SLen Brown * count_cpus() 2256c98d5d94SLen Brown * remember the last one seen, it will be the max 2257103a8feaSLen Brown */ 2258c98d5d94SLen Brown int count_cpus(int cpu) 2259103a8feaSLen Brown { 2260c98d5d94SLen Brown if (topo.max_cpu_num < cpu) 2261c98d5d94SLen Brown topo.max_cpu_num = cpu; 2262103a8feaSLen Brown 2263c98d5d94SLen Brown topo.num_cpus += 1; 2264c98d5d94SLen Brown return 0; 2265103a8feaSLen Brown } 2266c98d5d94SLen Brown int mark_cpu_present(int cpu) 2267c98d5d94SLen Brown { 2268c98d5d94SLen Brown CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set); 226915aaa346SLen Brown return 0; 2270103a8feaSLen Brown } 2271103a8feaSLen Brown 2272562a2d37SLen Brown /* 2273562a2d37SLen Brown * snapshot_proc_interrupts() 2274562a2d37SLen Brown * 2275562a2d37SLen Brown * read and record summary of /proc/interrupts 2276562a2d37SLen Brown * 2277562a2d37SLen Brown * return 1 if config change requires a restart, else return 0 2278562a2d37SLen Brown */ 2279562a2d37SLen Brown int snapshot_proc_interrupts(void) 2280562a2d37SLen Brown { 2281562a2d37SLen Brown static FILE *fp; 2282562a2d37SLen Brown int column, retval; 2283562a2d37SLen Brown 2284562a2d37SLen Brown if (fp == NULL) 2285562a2d37SLen Brown fp = fopen_or_die("/proc/interrupts", "r"); 2286562a2d37SLen Brown else 2287562a2d37SLen Brown rewind(fp); 2288562a2d37SLen Brown 2289562a2d37SLen Brown /* read 1st line of /proc/interrupts to get cpu* name for each column */ 2290562a2d37SLen Brown for (column = 0; column < topo.num_cpus; ++column) { 2291562a2d37SLen Brown int cpu_number; 2292562a2d37SLen Brown 2293562a2d37SLen Brown retval = fscanf(fp, " CPU%d", &cpu_number); 2294562a2d37SLen Brown if (retval != 1) 2295562a2d37SLen Brown break; 2296562a2d37SLen Brown 2297562a2d37SLen Brown if (cpu_number > topo.max_cpu_num) { 2298562a2d37SLen Brown warn("/proc/interrupts: cpu%d: > %d", cpu_number, topo.max_cpu_num); 2299562a2d37SLen Brown return 1; 2300562a2d37SLen Brown } 2301562a2d37SLen Brown 2302562a2d37SLen Brown irq_column_2_cpu[column] = cpu_number; 2303562a2d37SLen Brown irqs_per_cpu[cpu_number] = 0; 2304562a2d37SLen Brown } 2305562a2d37SLen Brown 2306562a2d37SLen Brown /* read /proc/interrupt count lines and sum up irqs per cpu */ 2307562a2d37SLen Brown while (1) { 2308562a2d37SLen Brown int column; 2309562a2d37SLen Brown char buf[64]; 2310562a2d37SLen Brown 2311562a2d37SLen Brown retval = fscanf(fp, " %s:", buf); /* flush irq# "N:" */ 2312562a2d37SLen Brown if (retval != 1) 2313562a2d37SLen Brown break; 2314562a2d37SLen Brown 2315562a2d37SLen Brown /* read the count per cpu */ 2316562a2d37SLen Brown for (column = 0; column < topo.num_cpus; ++column) { 2317562a2d37SLen Brown 2318562a2d37SLen Brown int cpu_number, irq_count; 2319562a2d37SLen Brown 2320562a2d37SLen Brown retval = fscanf(fp, " %d", &irq_count); 2321562a2d37SLen Brown if (retval != 1) 2322562a2d37SLen Brown break; 2323562a2d37SLen Brown 2324562a2d37SLen Brown cpu_number = irq_column_2_cpu[column]; 2325562a2d37SLen Brown irqs_per_cpu[cpu_number] += irq_count; 2326562a2d37SLen Brown 2327562a2d37SLen Brown } 2328562a2d37SLen Brown 2329562a2d37SLen Brown while (getc(fp) != '\n') 2330562a2d37SLen Brown ; /* flush interrupt description */ 2331562a2d37SLen Brown 2332562a2d37SLen Brown } 2333562a2d37SLen Brown return 0; 2334562a2d37SLen Brown } 233527d47356SLen Brown /* 2336fdf676e5SLen Brown * snapshot_gfx_rc6_ms() 2337fdf676e5SLen Brown * 2338fdf676e5SLen Brown * record snapshot of 2339fdf676e5SLen Brown * /sys/class/drm/card0/power/rc6_residency_ms 2340fdf676e5SLen Brown * 2341fdf676e5SLen Brown * return 1 if config change requires a restart, else return 0 2342fdf676e5SLen Brown */ 2343fdf676e5SLen Brown int snapshot_gfx_rc6_ms(void) 2344fdf676e5SLen Brown { 2345fdf676e5SLen Brown FILE *fp; 2346fdf676e5SLen Brown int retval; 2347fdf676e5SLen Brown 2348fdf676e5SLen Brown fp = fopen_or_die("/sys/class/drm/card0/power/rc6_residency_ms", "r"); 2349fdf676e5SLen Brown 2350fdf676e5SLen Brown retval = fscanf(fp, "%lld", &gfx_cur_rc6_ms); 2351fdf676e5SLen Brown if (retval != 1) 2352fdf676e5SLen Brown err(1, "GFX rc6"); 2353fdf676e5SLen Brown 2354fdf676e5SLen Brown fclose(fp); 2355fdf676e5SLen Brown 2356fdf676e5SLen Brown return 0; 2357fdf676e5SLen Brown } 2358fdf676e5SLen Brown /* 235927d47356SLen Brown * snapshot_gfx_mhz() 236027d47356SLen Brown * 236127d47356SLen Brown * record snapshot of 236227d47356SLen Brown * /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz 236327d47356SLen Brown * 236427d47356SLen Brown * return 1 if config change requires a restart, else return 0 236527d47356SLen Brown */ 236627d47356SLen Brown int snapshot_gfx_mhz(void) 236727d47356SLen Brown { 236827d47356SLen Brown static FILE *fp; 236927d47356SLen Brown int retval; 237027d47356SLen Brown 237127d47356SLen Brown if (fp == NULL) 237227d47356SLen Brown fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r"); 237327d47356SLen Brown else 237427d47356SLen Brown rewind(fp); 237527d47356SLen Brown 237627d47356SLen Brown retval = fscanf(fp, "%d", &gfx_cur_mhz); 237727d47356SLen Brown if (retval != 1) 237827d47356SLen Brown err(1, "GFX MHz"); 237927d47356SLen Brown 238027d47356SLen Brown return 0; 238127d47356SLen Brown } 2382562a2d37SLen Brown 2383562a2d37SLen Brown /* 2384562a2d37SLen Brown * snapshot /proc and /sys files 2385562a2d37SLen Brown * 2386562a2d37SLen Brown * return 1 if configuration restart needed, else return 0 2387562a2d37SLen Brown */ 2388562a2d37SLen Brown int snapshot_proc_sysfs_files(void) 2389562a2d37SLen Brown { 2390562a2d37SLen Brown if (snapshot_proc_interrupts()) 2391562a2d37SLen Brown return 1; 2392562a2d37SLen Brown 2393812db3f7SLen Brown if (DO_BIC(BIC_GFX_rc6)) 2394fdf676e5SLen Brown snapshot_gfx_rc6_ms(); 2395fdf676e5SLen Brown 2396812db3f7SLen Brown if (DO_BIC(BIC_GFXMHz)) 239727d47356SLen Brown snapshot_gfx_mhz(); 239827d47356SLen Brown 2399562a2d37SLen Brown return 0; 2400562a2d37SLen Brown } 2401562a2d37SLen Brown 2402103a8feaSLen Brown void turbostat_loop() 2403103a8feaSLen Brown { 2404c98d5d94SLen Brown int retval; 2405e52966c0SLen Brown int restarted = 0; 2406c98d5d94SLen Brown 2407103a8feaSLen Brown restart: 2408e52966c0SLen Brown restarted++; 2409e52966c0SLen Brown 2410562a2d37SLen Brown snapshot_proc_sysfs_files(); 2411c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 2412d91bb17cSLen Brown if (retval < -1) { 2413d91bb17cSLen Brown exit(retval); 2414d91bb17cSLen Brown } else if (retval == -1) { 2415e52966c0SLen Brown if (restarted > 1) { 2416e52966c0SLen Brown exit(retval); 2417e52966c0SLen Brown } 2418c98d5d94SLen Brown re_initialize(); 2419c98d5d94SLen Brown goto restart; 2420c98d5d94SLen Brown } 2421e52966c0SLen Brown restarted = 0; 2422103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 2423103a8feaSLen Brown 2424103a8feaSLen Brown while (1) { 2425c98d5d94SLen Brown if (for_all_proc_cpus(cpu_is_not_present)) { 2426103a8feaSLen Brown re_initialize(); 2427103a8feaSLen Brown goto restart; 2428103a8feaSLen Brown } 24292a0609c0SLen Brown nanosleep(&interval_ts, NULL); 2430562a2d37SLen Brown if (snapshot_proc_sysfs_files()) 2431562a2d37SLen Brown goto restart; 2432c98d5d94SLen Brown retval = for_all_cpus(get_counters, ODD_COUNTERS); 2433d91bb17cSLen Brown if (retval < -1) { 2434d91bb17cSLen Brown exit(retval); 2435d91bb17cSLen Brown } else if (retval == -1) { 243615aaa346SLen Brown re_initialize(); 243715aaa346SLen Brown goto restart; 243815aaa346SLen Brown } 2439103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 2440103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 2441ba3dec99SLen Brown if (for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS)) { 2442ba3dec99SLen Brown re_initialize(); 2443ba3dec99SLen Brown goto restart; 2444ba3dec99SLen Brown } 2445c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 2446c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 2447b7d8c148SLen Brown flush_output_stdout(); 24482a0609c0SLen Brown nanosleep(&interval_ts, NULL); 2449562a2d37SLen Brown if (snapshot_proc_sysfs_files()) 2450562a2d37SLen Brown goto restart; 2451c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 2452d91bb17cSLen Brown if (retval < -1) { 2453d91bb17cSLen Brown exit(retval); 2454d91bb17cSLen Brown } else if (retval == -1) { 2455103a8feaSLen Brown re_initialize(); 2456103a8feaSLen Brown goto restart; 2457103a8feaSLen Brown } 2458103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 2459103a8feaSLen Brown timersub(&tv_even, &tv_odd, &tv_delta); 2460ba3dec99SLen Brown if (for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS)) { 2461ba3dec99SLen Brown re_initialize(); 2462ba3dec99SLen Brown goto restart; 2463ba3dec99SLen Brown } 2464c98d5d94SLen Brown compute_average(ODD_COUNTERS); 2465c98d5d94SLen Brown format_all_counters(ODD_COUNTERS); 2466b7d8c148SLen Brown flush_output_stdout(); 2467103a8feaSLen Brown } 2468103a8feaSLen Brown } 2469103a8feaSLen Brown 2470103a8feaSLen Brown void check_dev_msr() 2471103a8feaSLen Brown { 2472103a8feaSLen Brown struct stat sb; 24737ce7d5deSPrarit Bhargava char pathname[32]; 2474103a8feaSLen Brown 24757ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 24767ce7d5deSPrarit Bhargava if (stat(pathname, &sb)) 2477a21d38c8SLen Brown if (system("/sbin/modprobe msr > /dev/null 2>&1")) 2478d7899447SLen Brown err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" "); 2479103a8feaSLen Brown } 2480103a8feaSLen Brown 248198481e79SLen Brown void check_permissions() 2482103a8feaSLen Brown { 248398481e79SLen Brown struct __user_cap_header_struct cap_header_data; 248498481e79SLen Brown cap_user_header_t cap_header = &cap_header_data; 248598481e79SLen Brown struct __user_cap_data_struct cap_data_data; 248698481e79SLen Brown cap_user_data_t cap_data = &cap_data_data; 248798481e79SLen Brown extern int capget(cap_user_header_t hdrp, cap_user_data_t datap); 248898481e79SLen Brown int do_exit = 0; 24897ce7d5deSPrarit Bhargava char pathname[32]; 249098481e79SLen Brown 249198481e79SLen Brown /* check for CAP_SYS_RAWIO */ 249298481e79SLen Brown cap_header->pid = getpid(); 249398481e79SLen Brown cap_header->version = _LINUX_CAPABILITY_VERSION; 249498481e79SLen Brown if (capget(cap_header, cap_data) < 0) 249598481e79SLen Brown err(-6, "capget(2) failed"); 249698481e79SLen Brown 249798481e79SLen Brown if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) { 249898481e79SLen Brown do_exit++; 249998481e79SLen Brown warnx("capget(CAP_SYS_RAWIO) failed," 250098481e79SLen Brown " try \"# setcap cap_sys_rawio=ep %s\"", progname); 250198481e79SLen Brown } 250298481e79SLen Brown 250398481e79SLen Brown /* test file permissions */ 25047ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 25057ce7d5deSPrarit Bhargava if (euidaccess(pathname, R_OK)) { 250698481e79SLen Brown do_exit++; 250798481e79SLen Brown warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr"); 250898481e79SLen Brown } 250998481e79SLen Brown 251098481e79SLen Brown /* if all else fails, thell them to be root */ 251198481e79SLen Brown if (do_exit) 2512b2c95d90SJosh Triplett if (getuid() != 0) 2513d7899447SLen Brown warnx("... or simply run as root"); 251498481e79SLen Brown 251598481e79SLen Brown if (do_exit) 251698481e79SLen Brown exit(-6); 2517103a8feaSLen Brown } 2518103a8feaSLen Brown 2519d7899447SLen Brown /* 2520d7899447SLen Brown * NHM adds support for additional MSRs: 2521d7899447SLen Brown * 2522d7899447SLen Brown * MSR_SMI_COUNT 0x00000034 2523d7899447SLen Brown * 2524ec0adc53SLen Brown * MSR_PLATFORM_INFO 0x000000ce 25251df2e55aSLen Brown * MSR_PKG_CST_CONFIG_CONTROL 0x000000e2 2526d7899447SLen Brown * 2527cf4cbe53SLen Brown * MSR_MISC_PWR_MGMT 0x000001aa 2528cf4cbe53SLen Brown * 2529d7899447SLen Brown * MSR_PKG_C3_RESIDENCY 0x000003f8 2530d7899447SLen Brown * MSR_PKG_C6_RESIDENCY 0x000003f9 2531d7899447SLen Brown * MSR_CORE_C3_RESIDENCY 0x000003fc 2532d7899447SLen Brown * MSR_CORE_C6_RESIDENCY 0x000003fd 2533d7899447SLen Brown * 2534ee7e38e3SLen Brown * Side effect: 25351df2e55aSLen Brown * sets global pkg_cstate_limit to decode MSR_PKG_CST_CONFIG_CONTROL 253633148d67SLen Brown * sets has_misc_feature_control 2537d7899447SLen Brown */ 2538ee7e38e3SLen Brown int probe_nhm_msrs(unsigned int family, unsigned int model) 2539103a8feaSLen Brown { 2540ee7e38e3SLen Brown unsigned long long msr; 254121ed5574SLen Brown unsigned int base_ratio; 2542ee7e38e3SLen Brown int *pkg_cstate_limits; 2543ee7e38e3SLen Brown 2544103a8feaSLen Brown if (!genuine_intel) 2545103a8feaSLen Brown return 0; 2546103a8feaSLen Brown 2547103a8feaSLen Brown if (family != 6) 2548103a8feaSLen Brown return 0; 2549103a8feaSLen Brown 255021ed5574SLen Brown bclk = discover_bclk(family, model); 255121ed5574SLen Brown 2552103a8feaSLen Brown switch (model) { 2553869ce69eSLen Brown case INTEL_FAM6_NEHALEM_EP: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */ 2554869ce69eSLen Brown case INTEL_FAM6_NEHALEM: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */ 2555103a8feaSLen Brown case 0x1F: /* Core i7 and i5 Processor - Nehalem */ 2556869ce69eSLen Brown case INTEL_FAM6_WESTMERE: /* Westmere Client - Clarkdale, Arrandale */ 2557869ce69eSLen Brown case INTEL_FAM6_WESTMERE_EP: /* Westmere EP - Gulftown */ 2558869ce69eSLen Brown case INTEL_FAM6_NEHALEM_EX: /* Nehalem-EX Xeon - Beckton */ 2559869ce69eSLen Brown case INTEL_FAM6_WESTMERE_EX: /* Westmere-EX Xeon - Eagleton */ 2560ee7e38e3SLen Brown pkg_cstate_limits = nhm_pkg_cstate_limits; 2561ee7e38e3SLen Brown break; 2562869ce69eSLen Brown case INTEL_FAM6_SANDYBRIDGE: /* SNB */ 2563869ce69eSLen Brown case INTEL_FAM6_SANDYBRIDGE_X: /* SNB Xeon */ 2564869ce69eSLen Brown case INTEL_FAM6_IVYBRIDGE: /* IVB */ 2565869ce69eSLen Brown case INTEL_FAM6_IVYBRIDGE_X: /* IVB Xeon */ 2566ee7e38e3SLen Brown pkg_cstate_limits = snb_pkg_cstate_limits; 256733148d67SLen Brown has_misc_feature_control = 1; 2568ee7e38e3SLen Brown break; 2569869ce69eSLen Brown case INTEL_FAM6_HASWELL_CORE: /* HSW */ 2570869ce69eSLen Brown case INTEL_FAM6_HASWELL_X: /* HSX */ 2571869ce69eSLen Brown case INTEL_FAM6_HASWELL_ULT: /* HSW */ 2572869ce69eSLen Brown case INTEL_FAM6_HASWELL_GT3E: /* HSW */ 2573869ce69eSLen Brown case INTEL_FAM6_BROADWELL_CORE: /* BDW */ 2574869ce69eSLen Brown case INTEL_FAM6_BROADWELL_GT3E: /* BDW */ 2575869ce69eSLen Brown case INTEL_FAM6_BROADWELL_X: /* BDX */ 2576869ce69eSLen Brown case INTEL_FAM6_BROADWELL_XEON_D: /* BDX-DE */ 2577869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_MOBILE: /* SKL */ 2578869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_DESKTOP: /* SKL */ 2579869ce69eSLen Brown case INTEL_FAM6_KABYLAKE_MOBILE: /* KBL */ 2580869ce69eSLen Brown case INTEL_FAM6_KABYLAKE_DESKTOP: /* KBL */ 2581ee7e38e3SLen Brown pkg_cstate_limits = hsw_pkg_cstate_limits; 258233148d67SLen Brown has_misc_feature_control = 1; 2583ee7e38e3SLen Brown break; 2584d8ebb442SLen Brown case INTEL_FAM6_SKYLAKE_X: /* SKX */ 2585d8ebb442SLen Brown pkg_cstate_limits = skx_pkg_cstate_limits; 258633148d67SLen Brown has_misc_feature_control = 1; 2587d8ebb442SLen Brown break; 2588869ce69eSLen Brown case INTEL_FAM6_ATOM_SILVERMONT1: /* BYT */ 2589cf4cbe53SLen Brown no_MSR_MISC_PWR_MGMT = 1; 2590869ce69eSLen Brown case INTEL_FAM6_ATOM_SILVERMONT2: /* AVN */ 2591ee7e38e3SLen Brown pkg_cstate_limits = slv_pkg_cstate_limits; 2592ee7e38e3SLen Brown break; 2593869ce69eSLen Brown case INTEL_FAM6_ATOM_AIRMONT: /* AMT */ 2594ee7e38e3SLen Brown pkg_cstate_limits = amt_pkg_cstate_limits; 2595cf4cbe53SLen Brown no_MSR_MISC_PWR_MGMT = 1; 2596ee7e38e3SLen Brown break; 2597869ce69eSLen Brown case INTEL_FAM6_XEON_PHI_KNL: /* PHI */ 2598005c82d6SLen Brown case INTEL_FAM6_XEON_PHI_KNM: 2599ee7e38e3SLen Brown pkg_cstate_limits = phi_pkg_cstate_limits; 2600ee7e38e3SLen Brown break; 2601869ce69eSLen Brown case INTEL_FAM6_ATOM_GOLDMONT: /* BXT */ 2602ac01ac13SLen Brown case INTEL_FAM6_ATOM_GEMINI_LAKE: 2603869ce69eSLen Brown case INTEL_FAM6_ATOM_DENVERTON: /* DNV */ 2604e4085d54SLen Brown pkg_cstate_limits = bxt_pkg_cstate_limits; 2605e4085d54SLen Brown break; 2606103a8feaSLen Brown default: 2607103a8feaSLen Brown return 0; 2608103a8feaSLen Brown } 26091df2e55aSLen Brown get_msr(base_cpu, MSR_PKG_CST_CONFIG_CONTROL, &msr); 2610e9257f5fSLen Brown pkg_cstate_limit = pkg_cstate_limits[msr & 0xF]; 2611ee7e38e3SLen Brown 2612ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 261321ed5574SLen Brown base_ratio = (msr >> 8) & 0xFF; 261421ed5574SLen Brown 261521ed5574SLen Brown base_hz = base_ratio * bclk * 1000000; 261621ed5574SLen Brown has_base_hz = 1; 2617ee7e38e3SLen Brown return 1; 2618103a8feaSLen Brown } 26190f7887c4SLen Brown /* 2620*495c7654SLen Brown * SLV client has support for unique MSRs: 26210f7887c4SLen Brown * 26220f7887c4SLen Brown * MSR_CC6_DEMOTION_POLICY_CONFIG 26230f7887c4SLen Brown * MSR_MC6_DEMOTION_POLICY_CONFIG 26240f7887c4SLen Brown */ 26250f7887c4SLen Brown 26260f7887c4SLen Brown int has_slv_msrs(unsigned int family, unsigned int model) 26270f7887c4SLen Brown { 26280f7887c4SLen Brown if (!genuine_intel) 26290f7887c4SLen Brown return 0; 26300f7887c4SLen Brown 26310f7887c4SLen Brown switch (model) { 26320f7887c4SLen Brown case INTEL_FAM6_ATOM_SILVERMONT1: 26330f7887c4SLen Brown case INTEL_FAM6_ATOM_MERRIFIELD: 26340f7887c4SLen Brown case INTEL_FAM6_ATOM_MOOREFIELD: 26350f7887c4SLen Brown return 1; 26360f7887c4SLen Brown } 26370f7887c4SLen Brown return 0; 26380f7887c4SLen Brown } 26397170a374SLen Brown int is_dnv(unsigned int family, unsigned int model) 26407170a374SLen Brown { 26417170a374SLen Brown 26427170a374SLen Brown if (!genuine_intel) 26437170a374SLen Brown return 0; 26447170a374SLen Brown 26457170a374SLen Brown switch (model) { 26467170a374SLen Brown case INTEL_FAM6_ATOM_DENVERTON: 26477170a374SLen Brown return 1; 26487170a374SLen Brown } 26497170a374SLen Brown return 0; 26507170a374SLen Brown } 2651ade0ebacSLen Brown int is_bdx(unsigned int family, unsigned int model) 2652ade0ebacSLen Brown { 2653ade0ebacSLen Brown 2654ade0ebacSLen Brown if (!genuine_intel) 2655ade0ebacSLen Brown return 0; 2656ade0ebacSLen Brown 2657ade0ebacSLen Brown switch (model) { 2658ade0ebacSLen Brown case INTEL_FAM6_BROADWELL_X: 2659ade0ebacSLen Brown case INTEL_FAM6_BROADWELL_XEON_D: 2660ade0ebacSLen Brown return 1; 2661ade0ebacSLen Brown } 2662ade0ebacSLen Brown return 0; 2663ade0ebacSLen Brown } 266434c76197SLen Brown int is_skx(unsigned int family, unsigned int model) 266534c76197SLen Brown { 266634c76197SLen Brown 266734c76197SLen Brown if (!genuine_intel) 266834c76197SLen Brown return 0; 266934c76197SLen Brown 267034c76197SLen Brown switch (model) { 267134c76197SLen Brown case INTEL_FAM6_SKYLAKE_X: 267234c76197SLen Brown return 1; 267334c76197SLen Brown } 267434c76197SLen Brown return 0; 267534c76197SLen Brown } 26760f7887c4SLen Brown 267731e07522SLen Brown int has_turbo_ratio_limit(unsigned int family, unsigned int model) 2678d7899447SLen Brown { 26790f7887c4SLen Brown if (has_slv_msrs(family, model)) 26800f7887c4SLen Brown return 0; 26810f7887c4SLen Brown 2682d7899447SLen Brown switch (model) { 2683d7899447SLen Brown /* Nehalem compatible, but do not include turbo-ratio limit support */ 2684869ce69eSLen Brown case INTEL_FAM6_NEHALEM_EX: /* Nehalem-EX Xeon - Beckton */ 2685869ce69eSLen Brown case INTEL_FAM6_WESTMERE_EX: /* Westmere-EX Xeon - Eagleton */ 2686869ce69eSLen Brown case INTEL_FAM6_XEON_PHI_KNL: /* PHI - Knights Landing (different MSR definition) */ 2687005c82d6SLen Brown case INTEL_FAM6_XEON_PHI_KNM: 2688d7899447SLen Brown return 0; 2689d7899447SLen Brown default: 2690d7899447SLen Brown return 1; 2691d7899447SLen Brown } 2692d7899447SLen Brown } 26930f7887c4SLen Brown int has_atom_turbo_ratio_limit(unsigned int family, unsigned int model) 26940f7887c4SLen Brown { 26950f7887c4SLen Brown if (has_slv_msrs(family, model)) 26960f7887c4SLen Brown return 1; 26970f7887c4SLen Brown 26980f7887c4SLen Brown return 0; 26990f7887c4SLen Brown } 27006574a5d5SLen Brown int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model) 27016574a5d5SLen Brown { 27026574a5d5SLen Brown if (!genuine_intel) 27036574a5d5SLen Brown return 0; 27046574a5d5SLen Brown 27056574a5d5SLen Brown if (family != 6) 27066574a5d5SLen Brown return 0; 27076574a5d5SLen Brown 27086574a5d5SLen Brown switch (model) { 2709869ce69eSLen Brown case INTEL_FAM6_IVYBRIDGE_X: /* IVB Xeon */ 2710869ce69eSLen Brown case INTEL_FAM6_HASWELL_X: /* HSW Xeon */ 27116574a5d5SLen Brown return 1; 27126574a5d5SLen Brown default: 27136574a5d5SLen Brown return 0; 27146574a5d5SLen Brown } 27156574a5d5SLen Brown } 2716fcd17211SLen Brown int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model) 2717fcd17211SLen Brown { 2718fcd17211SLen Brown if (!genuine_intel) 2719fcd17211SLen Brown return 0; 2720fcd17211SLen Brown 2721fcd17211SLen Brown if (family != 6) 2722fcd17211SLen Brown return 0; 2723fcd17211SLen Brown 2724fcd17211SLen Brown switch (model) { 2725869ce69eSLen Brown case INTEL_FAM6_HASWELL_X: /* HSW Xeon */ 2726fcd17211SLen Brown return 1; 2727fcd17211SLen Brown default: 2728fcd17211SLen Brown return 0; 2729fcd17211SLen Brown } 2730fcd17211SLen Brown } 2731fcd17211SLen Brown 2732fb5d4327SDasaratharaman Chandramouli int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model) 2733fb5d4327SDasaratharaman Chandramouli { 2734fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 2735fb5d4327SDasaratharaman Chandramouli return 0; 2736fb5d4327SDasaratharaman Chandramouli 2737fb5d4327SDasaratharaman Chandramouli if (family != 6) 2738fb5d4327SDasaratharaman Chandramouli return 0; 2739fb5d4327SDasaratharaman Chandramouli 2740fb5d4327SDasaratharaman Chandramouli switch (model) { 2741869ce69eSLen Brown case INTEL_FAM6_XEON_PHI_KNL: /* Knights Landing */ 2742005c82d6SLen Brown case INTEL_FAM6_XEON_PHI_KNM: 2743fb5d4327SDasaratharaman Chandramouli return 1; 2744fb5d4327SDasaratharaman Chandramouli default: 2745fb5d4327SDasaratharaman Chandramouli return 0; 2746fb5d4327SDasaratharaman Chandramouli } 2747fb5d4327SDasaratharaman Chandramouli } 274831e07522SLen Brown int has_glm_turbo_ratio_limit(unsigned int family, unsigned int model) 274931e07522SLen Brown { 275031e07522SLen Brown if (!genuine_intel) 275131e07522SLen Brown return 0; 275231e07522SLen Brown 275331e07522SLen Brown if (family != 6) 275431e07522SLen Brown return 0; 275531e07522SLen Brown 275631e07522SLen Brown switch (model) { 275731e07522SLen Brown case INTEL_FAM6_ATOM_GOLDMONT: 275831e07522SLen Brown case INTEL_FAM6_SKYLAKE_X: 275931e07522SLen Brown return 1; 276031e07522SLen Brown default: 276131e07522SLen Brown return 0; 276231e07522SLen Brown } 276331e07522SLen Brown } 27646fb3143bSLen Brown int has_config_tdp(unsigned int family, unsigned int model) 27656fb3143bSLen Brown { 27666fb3143bSLen Brown if (!genuine_intel) 27676fb3143bSLen Brown return 0; 27686fb3143bSLen Brown 27696fb3143bSLen Brown if (family != 6) 27706fb3143bSLen Brown return 0; 27716fb3143bSLen Brown 27726fb3143bSLen Brown switch (model) { 2773869ce69eSLen Brown case INTEL_FAM6_IVYBRIDGE: /* IVB */ 2774869ce69eSLen Brown case INTEL_FAM6_HASWELL_CORE: /* HSW */ 2775869ce69eSLen Brown case INTEL_FAM6_HASWELL_X: /* HSX */ 2776869ce69eSLen Brown case INTEL_FAM6_HASWELL_ULT: /* HSW */ 2777869ce69eSLen Brown case INTEL_FAM6_HASWELL_GT3E: /* HSW */ 2778869ce69eSLen Brown case INTEL_FAM6_BROADWELL_CORE: /* BDW */ 2779869ce69eSLen Brown case INTEL_FAM6_BROADWELL_GT3E: /* BDW */ 2780869ce69eSLen Brown case INTEL_FAM6_BROADWELL_X: /* BDX */ 2781869ce69eSLen Brown case INTEL_FAM6_BROADWELL_XEON_D: /* BDX-DE */ 2782869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_MOBILE: /* SKL */ 2783869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_DESKTOP: /* SKL */ 2784869ce69eSLen Brown case INTEL_FAM6_KABYLAKE_MOBILE: /* KBL */ 2785869ce69eSLen Brown case INTEL_FAM6_KABYLAKE_DESKTOP: /* KBL */ 2786869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_X: /* SKX */ 27876fb3143bSLen Brown 2788869ce69eSLen Brown case INTEL_FAM6_XEON_PHI_KNL: /* Knights Landing */ 2789005c82d6SLen Brown case INTEL_FAM6_XEON_PHI_KNM: 27906fb3143bSLen Brown return 1; 27916fb3143bSLen Brown default: 27926fb3143bSLen Brown return 0; 27936fb3143bSLen Brown } 27946fb3143bSLen Brown } 27956fb3143bSLen Brown 2796fcd17211SLen Brown static void 27971b69317dSColin Ian King dump_cstate_pstate_config_info(unsigned int family, unsigned int model) 2798fcd17211SLen Brown { 2799fcd17211SLen Brown if (!do_nhm_platform_info) 2800fcd17211SLen Brown return; 2801fcd17211SLen Brown 2802fcd17211SLen Brown dump_nhm_platform_info(); 2803fcd17211SLen Brown 2804fcd17211SLen Brown if (has_hsw_turbo_ratio_limit(family, model)) 2805fcd17211SLen Brown dump_hsw_turbo_ratio_limits(); 2806fcd17211SLen Brown 2807fcd17211SLen Brown if (has_ivt_turbo_ratio_limit(family, model)) 2808fcd17211SLen Brown dump_ivt_turbo_ratio_limits(); 2809fcd17211SLen Brown 281031e07522SLen Brown if (has_turbo_ratio_limit(family, model)) 281131e07522SLen Brown dump_turbo_ratio_limits(family, model); 2812fcd17211SLen Brown 28130f7887c4SLen Brown if (has_atom_turbo_ratio_limit(family, model)) 28140f7887c4SLen Brown dump_atom_turbo_ratio_limits(); 28150f7887c4SLen Brown 2816fb5d4327SDasaratharaman Chandramouli if (has_knl_turbo_ratio_limit(family, model)) 2817fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(); 2818fb5d4327SDasaratharaman Chandramouli 28196fb3143bSLen Brown if (has_config_tdp(family, model)) 28206fb3143bSLen Brown dump_config_tdp(); 28216fb3143bSLen Brown 2822fcd17211SLen Brown dump_nhm_cst_cfg(); 2823fcd17211SLen Brown } 2824fcd17211SLen Brown 28256574a5d5SLen Brown 2826889facbeSLen Brown /* 2827889facbeSLen Brown * print_epb() 2828889facbeSLen Brown * Decode the ENERGY_PERF_BIAS MSR 2829889facbeSLen Brown */ 2830889facbeSLen Brown int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2831889facbeSLen Brown { 2832889facbeSLen Brown unsigned long long msr; 2833889facbeSLen Brown char *epb_string; 2834889facbeSLen Brown int cpu; 2835889facbeSLen Brown 2836889facbeSLen Brown if (!has_epb) 2837889facbeSLen Brown return 0; 2838889facbeSLen Brown 2839889facbeSLen Brown cpu = t->cpu_id; 2840889facbeSLen Brown 2841889facbeSLen Brown /* EPB is per-package */ 2842889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2843889facbeSLen Brown return 0; 2844889facbeSLen Brown 2845889facbeSLen Brown if (cpu_migrate(cpu)) { 2846b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2847889facbeSLen Brown return -1; 2848889facbeSLen Brown } 2849889facbeSLen Brown 2850889facbeSLen Brown if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr)) 2851889facbeSLen Brown return 0; 2852889facbeSLen Brown 2853e9be7dd6SLen Brown switch (msr & 0xF) { 2854889facbeSLen Brown case ENERGY_PERF_BIAS_PERFORMANCE: 2855889facbeSLen Brown epb_string = "performance"; 2856889facbeSLen Brown break; 2857889facbeSLen Brown case ENERGY_PERF_BIAS_NORMAL: 2858889facbeSLen Brown epb_string = "balanced"; 2859889facbeSLen Brown break; 2860889facbeSLen Brown case ENERGY_PERF_BIAS_POWERSAVE: 2861889facbeSLen Brown epb_string = "powersave"; 2862889facbeSLen Brown break; 2863889facbeSLen Brown default: 2864889facbeSLen Brown epb_string = "custom"; 2865889facbeSLen Brown break; 2866889facbeSLen Brown } 2867b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string); 2868889facbeSLen Brown 2869889facbeSLen Brown return 0; 2870889facbeSLen Brown } 28717f5c258eSLen Brown /* 28727f5c258eSLen Brown * print_hwp() 28737f5c258eSLen Brown * Decode the MSR_HWP_CAPABILITIES 28747f5c258eSLen Brown */ 28757f5c258eSLen Brown int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p) 28767f5c258eSLen Brown { 28777f5c258eSLen Brown unsigned long long msr; 28787f5c258eSLen Brown int cpu; 28797f5c258eSLen Brown 28807f5c258eSLen Brown if (!has_hwp) 28817f5c258eSLen Brown return 0; 28827f5c258eSLen Brown 28837f5c258eSLen Brown cpu = t->cpu_id; 28847f5c258eSLen Brown 28857f5c258eSLen Brown /* MSR_HWP_CAPABILITIES is per-package */ 28867f5c258eSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 28877f5c258eSLen Brown return 0; 28887f5c258eSLen Brown 28897f5c258eSLen Brown if (cpu_migrate(cpu)) { 2890b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 28917f5c258eSLen Brown return -1; 28927f5c258eSLen Brown } 28937f5c258eSLen Brown 28947f5c258eSLen Brown if (get_msr(cpu, MSR_PM_ENABLE, &msr)) 28957f5c258eSLen Brown return 0; 28967f5c258eSLen Brown 2897b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PM_ENABLE: 0x%08llx (%sHWP)\n", 28987f5c258eSLen Brown cpu, msr, (msr & (1 << 0)) ? "" : "No-"); 28997f5c258eSLen Brown 29007f5c258eSLen Brown /* MSR_PM_ENABLE[1] == 1 if HWP is enabled and MSRs visible */ 29017f5c258eSLen Brown if ((msr & (1 << 0)) == 0) 29027f5c258eSLen Brown return 0; 29037f5c258eSLen Brown 29047f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_CAPABILITIES, &msr)) 29057f5c258eSLen Brown return 0; 29067f5c258eSLen Brown 2907b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_CAPABILITIES: 0x%08llx " 29087f5c258eSLen Brown "(high 0x%x guar 0x%x eff 0x%x low 0x%x)\n", 29097f5c258eSLen Brown cpu, msr, 29107f5c258eSLen Brown (unsigned int)HWP_HIGHEST_PERF(msr), 29117f5c258eSLen Brown (unsigned int)HWP_GUARANTEED_PERF(msr), 29127f5c258eSLen Brown (unsigned int)HWP_MOSTEFFICIENT_PERF(msr), 29137f5c258eSLen Brown (unsigned int)HWP_LOWEST_PERF(msr)); 29147f5c258eSLen Brown 29157f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST, &msr)) 29167f5c258eSLen Brown return 0; 29177f5c258eSLen Brown 2918b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_REQUEST: 0x%08llx " 29197f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x pkg 0x%x)\n", 29207f5c258eSLen Brown cpu, msr, 29217f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 29227f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 29237f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 29247f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 29257f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3), 29267f5c258eSLen Brown (unsigned int)(((msr) >> 42) & 0x1)); 29277f5c258eSLen Brown 29287f5c258eSLen Brown if (has_hwp_pkg) { 29297f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST_PKG, &msr)) 29307f5c258eSLen Brown return 0; 29317f5c258eSLen Brown 2932b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_REQUEST_PKG: 0x%08llx " 29337f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x)\n", 29347f5c258eSLen Brown cpu, msr, 29357f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 29367f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 29377f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 29387f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 29397f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3)); 29407f5c258eSLen Brown } 29417f5c258eSLen Brown if (has_hwp_notify) { 29427f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_INTERRUPT, &msr)) 29437f5c258eSLen Brown return 0; 29447f5c258eSLen Brown 2945b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_INTERRUPT: 0x%08llx " 29467f5c258eSLen Brown "(%s_Guaranteed_Perf_Change, %s_Excursion_Min)\n", 29477f5c258eSLen Brown cpu, msr, 29487f5c258eSLen Brown ((msr) & 0x1) ? "EN" : "Dis", 29497f5c258eSLen Brown ((msr) & 0x2) ? "EN" : "Dis"); 29507f5c258eSLen Brown } 29517f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_STATUS, &msr)) 29527f5c258eSLen Brown return 0; 29537f5c258eSLen Brown 2954b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_STATUS: 0x%08llx " 29557f5c258eSLen Brown "(%sGuaranteed_Perf_Change, %sExcursion_Min)\n", 29567f5c258eSLen Brown cpu, msr, 29577f5c258eSLen Brown ((msr) & 0x1) ? "" : "No-", 29587f5c258eSLen Brown ((msr) & 0x2) ? "" : "No-"); 2959889facbeSLen Brown 2960889facbeSLen Brown return 0; 2961889facbeSLen Brown } 2962889facbeSLen Brown 29633a9a941dSLen Brown /* 29643a9a941dSLen Brown * print_perf_limit() 29653a9a941dSLen Brown */ 29663a9a941dSLen Brown int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p) 29673a9a941dSLen Brown { 29683a9a941dSLen Brown unsigned long long msr; 29693a9a941dSLen Brown int cpu; 29703a9a941dSLen Brown 29713a9a941dSLen Brown cpu = t->cpu_id; 29723a9a941dSLen Brown 29733a9a941dSLen Brown /* per-package */ 29743a9a941dSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 29753a9a941dSLen Brown return 0; 29763a9a941dSLen Brown 29773a9a941dSLen Brown if (cpu_migrate(cpu)) { 2978b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 29793a9a941dSLen Brown return -1; 29803a9a941dSLen Brown } 29813a9a941dSLen Brown 29823a9a941dSLen Brown if (do_core_perf_limit_reasons) { 29833a9a941dSLen Brown get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr); 2984b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2985b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)", 2986e33cbe85SLen Brown (msr & 1 << 15) ? "bit15, " : "", 29873a9a941dSLen Brown (msr & 1 << 14) ? "bit14, " : "", 2988e33cbe85SLen Brown (msr & 1 << 13) ? "Transitions, " : "", 2989e33cbe85SLen Brown (msr & 1 << 12) ? "MultiCoreTurbo, " : "", 2990e33cbe85SLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : "", 2991e33cbe85SLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 2992e33cbe85SLen Brown (msr & 1 << 9) ? "CorePwr, " : "", 2993e33cbe85SLen Brown (msr & 1 << 8) ? "Amps, " : "", 2994e33cbe85SLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 2995e33cbe85SLen Brown (msr & 1 << 5) ? "Auto-HWP, " : "", 2996e33cbe85SLen Brown (msr & 1 << 4) ? "Graphics, " : "", 2997e33cbe85SLen Brown (msr & 1 << 2) ? "bit2, " : "", 2998e33cbe85SLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 2999e33cbe85SLen Brown (msr & 1 << 0) ? "PROCHOT, " : ""); 3000b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n", 3001e33cbe85SLen Brown (msr & 1 << 31) ? "bit31, " : "", 30023a9a941dSLen Brown (msr & 1 << 30) ? "bit30, " : "", 3003e33cbe85SLen Brown (msr & 1 << 29) ? "Transitions, " : "", 3004e33cbe85SLen Brown (msr & 1 << 28) ? "MultiCoreTurbo, " : "", 3005e33cbe85SLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : "", 3006e33cbe85SLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 3007e33cbe85SLen Brown (msr & 1 << 25) ? "CorePwr, " : "", 3008e33cbe85SLen Brown (msr & 1 << 24) ? "Amps, " : "", 3009e33cbe85SLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 3010e33cbe85SLen Brown (msr & 1 << 21) ? "Auto-HWP, " : "", 3011e33cbe85SLen Brown (msr & 1 << 20) ? "Graphics, " : "", 3012e33cbe85SLen Brown (msr & 1 << 18) ? "bit18, " : "", 3013e33cbe85SLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 3014e33cbe85SLen Brown (msr & 1 << 16) ? "PROCHOT, " : ""); 30153a9a941dSLen Brown 30163a9a941dSLen Brown } 30173a9a941dSLen Brown if (do_gfx_perf_limit_reasons) { 30183a9a941dSLen Brown get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr); 3019b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 3020b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s%s%s)", 30213a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 30223a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 30233a9a941dSLen Brown (msr & 1 << 4) ? "Graphics, " : "", 30243a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 30253a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 30263a9a941dSLen Brown (msr & 1 << 9) ? "GFXPwr, " : "", 30273a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 30283a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 3029b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s)\n", 30303a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 30313a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 30323a9a941dSLen Brown (msr & 1 << 20) ? "Graphics, " : "", 30333a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 30343a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 30353a9a941dSLen Brown (msr & 1 << 25) ? "GFXPwr, " : "", 30363a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 30373a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 30383a9a941dSLen Brown } 30393a9a941dSLen Brown if (do_ring_perf_limit_reasons) { 30403a9a941dSLen Brown get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr); 3041b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 3042b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s)", 30433a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 30443a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 30453a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 30463a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 30473a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 30483a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 3049b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s)\n", 30503a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 30513a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 30523a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 30533a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 30543a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 30553a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 30563a9a941dSLen Brown } 30573a9a941dSLen Brown return 0; 30583a9a941dSLen Brown } 30593a9a941dSLen Brown 3060889facbeSLen Brown #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */ 3061889facbeSLen Brown #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */ 3062889facbeSLen Brown 30631b69317dSColin Ian King double get_tdp(unsigned int model) 3064144b44b1SLen Brown { 3065144b44b1SLen Brown unsigned long long msr; 3066144b44b1SLen Brown 3067144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) 30687ce7d5deSPrarit Bhargava if (!get_msr(base_cpu, MSR_PKG_POWER_INFO, &msr)) 3069144b44b1SLen Brown return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units; 3070144b44b1SLen Brown 3071144b44b1SLen Brown switch (model) { 3072869ce69eSLen Brown case INTEL_FAM6_ATOM_SILVERMONT1: 3073869ce69eSLen Brown case INTEL_FAM6_ATOM_SILVERMONT2: 3074144b44b1SLen Brown return 30.0; 3075144b44b1SLen Brown default: 3076144b44b1SLen Brown return 135.0; 3077144b44b1SLen Brown } 3078144b44b1SLen Brown } 3079144b44b1SLen Brown 308040ee8e3bSAndrey Semin /* 308140ee8e3bSAndrey Semin * rapl_dram_energy_units_probe() 308240ee8e3bSAndrey Semin * Energy units are either hard-coded, or come from RAPL Energy Unit MSR. 308340ee8e3bSAndrey Semin */ 308440ee8e3bSAndrey Semin static double 308540ee8e3bSAndrey Semin rapl_dram_energy_units_probe(int model, double rapl_energy_units) 308640ee8e3bSAndrey Semin { 308740ee8e3bSAndrey Semin /* only called for genuine_intel, family 6 */ 308840ee8e3bSAndrey Semin 308940ee8e3bSAndrey Semin switch (model) { 3090869ce69eSLen Brown case INTEL_FAM6_HASWELL_X: /* HSX */ 3091869ce69eSLen Brown case INTEL_FAM6_BROADWELL_X: /* BDX */ 3092869ce69eSLen Brown case INTEL_FAM6_BROADWELL_XEON_D: /* BDX-DE */ 3093869ce69eSLen Brown case INTEL_FAM6_XEON_PHI_KNL: /* KNL */ 3094005c82d6SLen Brown case INTEL_FAM6_XEON_PHI_KNM: 309540ee8e3bSAndrey Semin return (rapl_dram_energy_units = 15.3 / 1000000); 309640ee8e3bSAndrey Semin default: 309740ee8e3bSAndrey Semin return (rapl_energy_units); 309840ee8e3bSAndrey Semin } 309940ee8e3bSAndrey Semin } 310040ee8e3bSAndrey Semin 3101144b44b1SLen Brown 3102889facbeSLen Brown /* 3103889facbeSLen Brown * rapl_probe() 3104889facbeSLen Brown * 3105144b44b1SLen Brown * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units 3106889facbeSLen Brown */ 3107889facbeSLen Brown void rapl_probe(unsigned int family, unsigned int model) 3108889facbeSLen Brown { 3109889facbeSLen Brown unsigned long long msr; 3110144b44b1SLen Brown unsigned int time_unit; 3111889facbeSLen Brown double tdp; 3112889facbeSLen Brown 3113889facbeSLen Brown if (!genuine_intel) 3114889facbeSLen Brown return; 3115889facbeSLen Brown 3116889facbeSLen Brown if (family != 6) 3117889facbeSLen Brown return; 3118889facbeSLen Brown 3119889facbeSLen Brown switch (model) { 3120869ce69eSLen Brown case INTEL_FAM6_SANDYBRIDGE: 3121869ce69eSLen Brown case INTEL_FAM6_IVYBRIDGE: 3122869ce69eSLen Brown case INTEL_FAM6_HASWELL_CORE: /* HSW */ 3123869ce69eSLen Brown case INTEL_FAM6_HASWELL_ULT: /* HSW */ 3124869ce69eSLen Brown case INTEL_FAM6_HASWELL_GT3E: /* HSW */ 3125869ce69eSLen Brown case INTEL_FAM6_BROADWELL_CORE: /* BDW */ 3126869ce69eSLen Brown case INTEL_FAM6_BROADWELL_GT3E: /* BDW */ 3127144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO; 3128812db3f7SLen Brown if (rapl_joules) { 3129812db3f7SLen Brown BIC_PRESENT(BIC_Pkg_J); 3130812db3f7SLen Brown BIC_PRESENT(BIC_Cor_J); 3131812db3f7SLen Brown BIC_PRESENT(BIC_GFX_J); 3132812db3f7SLen Brown } else { 3133812db3f7SLen Brown BIC_PRESENT(BIC_PkgWatt); 3134812db3f7SLen Brown BIC_PRESENT(BIC_CorWatt); 3135812db3f7SLen Brown BIC_PRESENT(BIC_GFXWatt); 3136812db3f7SLen Brown } 3137889facbeSLen Brown break; 3138869ce69eSLen Brown case INTEL_FAM6_ATOM_GOLDMONT: /* BXT */ 3139ac01ac13SLen Brown case INTEL_FAM6_ATOM_GEMINI_LAKE: 3140e4085d54SLen Brown do_rapl = RAPL_PKG | RAPL_PKG_POWER_INFO; 3141812db3f7SLen Brown if (rapl_joules) 3142812db3f7SLen Brown BIC_PRESENT(BIC_Pkg_J); 3143812db3f7SLen Brown else 3144812db3f7SLen Brown BIC_PRESENT(BIC_PkgWatt); 3145e4085d54SLen Brown break; 3146869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_MOBILE: /* SKL */ 3147869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_DESKTOP: /* SKL */ 3148869ce69eSLen Brown case INTEL_FAM6_KABYLAKE_MOBILE: /* KBL */ 3149869ce69eSLen Brown case INTEL_FAM6_KABYLAKE_DESKTOP: /* KBL */ 31500b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 3151812db3f7SLen Brown BIC_PRESENT(BIC_PKG__); 3152812db3f7SLen Brown BIC_PRESENT(BIC_RAM__); 3153812db3f7SLen Brown if (rapl_joules) { 3154812db3f7SLen Brown BIC_PRESENT(BIC_Pkg_J); 3155812db3f7SLen Brown BIC_PRESENT(BIC_Cor_J); 3156812db3f7SLen Brown BIC_PRESENT(BIC_RAM_J); 3157812db3f7SLen Brown } else { 3158812db3f7SLen Brown BIC_PRESENT(BIC_PkgWatt); 3159812db3f7SLen Brown BIC_PRESENT(BIC_CorWatt); 3160812db3f7SLen Brown BIC_PRESENT(BIC_RAMWatt); 3161812db3f7SLen Brown } 31620b2bb692SLen Brown break; 3163869ce69eSLen Brown case INTEL_FAM6_HASWELL_X: /* HSX */ 3164869ce69eSLen Brown case INTEL_FAM6_BROADWELL_X: /* BDX */ 3165869ce69eSLen Brown case INTEL_FAM6_BROADWELL_XEON_D: /* BDX-DE */ 3166869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_X: /* SKX */ 3167869ce69eSLen Brown case INTEL_FAM6_XEON_PHI_KNL: /* KNL */ 3168005c82d6SLen Brown case INTEL_FAM6_XEON_PHI_KNM: 31690b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 3170812db3f7SLen Brown BIC_PRESENT(BIC_PKG__); 3171812db3f7SLen Brown BIC_PRESENT(BIC_RAM__); 3172812db3f7SLen Brown if (rapl_joules) { 3173812db3f7SLen Brown BIC_PRESENT(BIC_Pkg_J); 3174812db3f7SLen Brown BIC_PRESENT(BIC_RAM_J); 3175812db3f7SLen Brown } else { 3176812db3f7SLen Brown BIC_PRESENT(BIC_PkgWatt); 3177812db3f7SLen Brown BIC_PRESENT(BIC_RAMWatt); 3178812db3f7SLen Brown } 3179e6f9bb3cSLen Brown break; 3180869ce69eSLen Brown case INTEL_FAM6_SANDYBRIDGE_X: 3181869ce69eSLen Brown case INTEL_FAM6_IVYBRIDGE_X: 31820b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO; 3183812db3f7SLen Brown BIC_PRESENT(BIC_PKG__); 3184812db3f7SLen Brown BIC_PRESENT(BIC_RAM__); 3185812db3f7SLen Brown if (rapl_joules) { 3186812db3f7SLen Brown BIC_PRESENT(BIC_Pkg_J); 3187812db3f7SLen Brown BIC_PRESENT(BIC_Cor_J); 3188812db3f7SLen Brown BIC_PRESENT(BIC_RAM_J); 3189812db3f7SLen Brown } else { 3190812db3f7SLen Brown BIC_PRESENT(BIC_PkgWatt); 3191812db3f7SLen Brown BIC_PRESENT(BIC_CorWatt); 3192812db3f7SLen Brown BIC_PRESENT(BIC_RAMWatt); 3193812db3f7SLen Brown } 3194144b44b1SLen Brown break; 3195869ce69eSLen Brown case INTEL_FAM6_ATOM_SILVERMONT1: /* BYT */ 3196869ce69eSLen Brown case INTEL_FAM6_ATOM_SILVERMONT2: /* AVN */ 3197144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES; 3198812db3f7SLen Brown if (rapl_joules) { 3199812db3f7SLen Brown BIC_PRESENT(BIC_Pkg_J); 3200812db3f7SLen Brown BIC_PRESENT(BIC_Cor_J); 3201812db3f7SLen Brown } else { 3202812db3f7SLen Brown BIC_PRESENT(BIC_PkgWatt); 3203812db3f7SLen Brown BIC_PRESENT(BIC_CorWatt); 3204812db3f7SLen Brown } 3205889facbeSLen Brown break; 3206869ce69eSLen Brown case INTEL_FAM6_ATOM_DENVERTON: /* DNV */ 32070f644909SJacob Pan do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO | RAPL_CORES_ENERGY_STATUS; 3208812db3f7SLen Brown BIC_PRESENT(BIC_PKG__); 3209812db3f7SLen Brown BIC_PRESENT(BIC_RAM__); 3210812db3f7SLen Brown if (rapl_joules) { 3211812db3f7SLen Brown BIC_PRESENT(BIC_Pkg_J); 3212812db3f7SLen Brown BIC_PRESENT(BIC_Cor_J); 3213812db3f7SLen Brown BIC_PRESENT(BIC_RAM_J); 3214812db3f7SLen Brown } else { 3215812db3f7SLen Brown BIC_PRESENT(BIC_PkgWatt); 3216812db3f7SLen Brown BIC_PRESENT(BIC_CorWatt); 3217812db3f7SLen Brown BIC_PRESENT(BIC_RAMWatt); 3218812db3f7SLen Brown } 32190f644909SJacob Pan break; 3220889facbeSLen Brown default: 3221889facbeSLen Brown return; 3222889facbeSLen Brown } 3223889facbeSLen Brown 3224889facbeSLen Brown /* units on package 0, verify later other packages match */ 32257ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr)) 3226889facbeSLen Brown return; 3227889facbeSLen Brown 3228889facbeSLen Brown rapl_power_units = 1.0 / (1 << (msr & 0xF)); 3229869ce69eSLen Brown if (model == INTEL_FAM6_ATOM_SILVERMONT1) 3230144b44b1SLen Brown rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000; 3231144b44b1SLen Brown else 3232889facbeSLen Brown rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F)); 3233889facbeSLen Brown 323440ee8e3bSAndrey Semin rapl_dram_energy_units = rapl_dram_energy_units_probe(model, rapl_energy_units); 323540ee8e3bSAndrey Semin 3236144b44b1SLen Brown time_unit = msr >> 16 & 0xF; 3237144b44b1SLen Brown if (time_unit == 0) 3238144b44b1SLen Brown time_unit = 0xA; 3239889facbeSLen Brown 3240144b44b1SLen Brown rapl_time_units = 1.0 / (1 << (time_unit)); 3241144b44b1SLen Brown 3242144b44b1SLen Brown tdp = get_tdp(model); 3243889facbeSLen Brown 3244889facbeSLen Brown rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp; 324596e47158SLen Brown if (!quiet) 3246b7d8c148SLen Brown fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp); 3247889facbeSLen Brown 3248889facbeSLen Brown return; 3249889facbeSLen Brown } 3250889facbeSLen Brown 32511b69317dSColin Ian King void perf_limit_reasons_probe(unsigned int family, unsigned int model) 32523a9a941dSLen Brown { 32533a9a941dSLen Brown if (!genuine_intel) 32543a9a941dSLen Brown return; 32553a9a941dSLen Brown 32563a9a941dSLen Brown if (family != 6) 32573a9a941dSLen Brown return; 32583a9a941dSLen Brown 32593a9a941dSLen Brown switch (model) { 3260869ce69eSLen Brown case INTEL_FAM6_HASWELL_CORE: /* HSW */ 3261869ce69eSLen Brown case INTEL_FAM6_HASWELL_ULT: /* HSW */ 3262869ce69eSLen Brown case INTEL_FAM6_HASWELL_GT3E: /* HSW */ 32633a9a941dSLen Brown do_gfx_perf_limit_reasons = 1; 3264869ce69eSLen Brown case INTEL_FAM6_HASWELL_X: /* HSX */ 32653a9a941dSLen Brown do_core_perf_limit_reasons = 1; 32663a9a941dSLen Brown do_ring_perf_limit_reasons = 1; 32673a9a941dSLen Brown default: 32683a9a941dSLen Brown return; 32693a9a941dSLen Brown } 32703a9a941dSLen Brown } 32713a9a941dSLen Brown 3272889facbeSLen Brown int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p) 3273889facbeSLen Brown { 3274889facbeSLen Brown unsigned long long msr; 3275889facbeSLen Brown unsigned int dts; 3276889facbeSLen Brown int cpu; 3277889facbeSLen Brown 3278889facbeSLen Brown if (!(do_dts || do_ptm)) 3279889facbeSLen Brown return 0; 3280889facbeSLen Brown 3281889facbeSLen Brown cpu = t->cpu_id; 3282889facbeSLen Brown 3283889facbeSLen Brown /* DTS is per-core, no need to print for each thread */ 3284889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 3285889facbeSLen Brown return 0; 3286889facbeSLen Brown 3287889facbeSLen Brown if (cpu_migrate(cpu)) { 3288b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 3289889facbeSLen Brown return -1; 3290889facbeSLen Brown } 3291889facbeSLen Brown 3292889facbeSLen Brown if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) { 3293889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 3294889facbeSLen Brown return 0; 3295889facbeSLen Brown 3296889facbeSLen Brown dts = (msr >> 16) & 0x7F; 3297b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", 3298889facbeSLen Brown cpu, msr, tcc_activation_temp - dts); 3299889facbeSLen Brown 3300889facbeSLen Brown #ifdef THERM_DEBUG 3301889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr)) 3302889facbeSLen Brown return 0; 3303889facbeSLen Brown 3304889facbeSLen Brown dts = (msr >> 16) & 0x7F; 3305889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 3306b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 3307889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 3308889facbeSLen Brown #endif 3309889facbeSLen Brown } 3310889facbeSLen Brown 3311889facbeSLen Brown 3312889facbeSLen Brown if (do_dts) { 3313889facbeSLen Brown unsigned int resolution; 3314889facbeSLen Brown 3315889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 3316889facbeSLen Brown return 0; 3317889facbeSLen Brown 3318889facbeSLen Brown dts = (msr >> 16) & 0x7F; 3319889facbeSLen Brown resolution = (msr >> 27) & 0xF; 3320b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n", 3321889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, resolution); 3322889facbeSLen Brown 3323889facbeSLen Brown #ifdef THERM_DEBUG 3324889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr)) 3325889facbeSLen Brown return 0; 3326889facbeSLen Brown 3327889facbeSLen Brown dts = (msr >> 16) & 0x7F; 3328889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 3329b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 3330889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 3331889facbeSLen Brown #endif 3332889facbeSLen Brown } 3333889facbeSLen Brown 3334889facbeSLen Brown return 0; 3335889facbeSLen Brown } 3336889facbeSLen Brown 3337889facbeSLen Brown void print_power_limit_msr(int cpu, unsigned long long msr, char *label) 3338889facbeSLen Brown { 3339b7d8c148SLen Brown fprintf(outf, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n", 3340889facbeSLen Brown cpu, label, 3341889facbeSLen Brown ((msr >> 15) & 1) ? "EN" : "DIS", 3342889facbeSLen Brown ((msr >> 0) & 0x7FFF) * rapl_power_units, 3343889facbeSLen Brown (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units, 3344889facbeSLen Brown (((msr >> 16) & 1) ? "EN" : "DIS")); 3345889facbeSLen Brown 3346889facbeSLen Brown return; 3347889facbeSLen Brown } 3348889facbeSLen Brown 3349889facbeSLen Brown int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p) 3350889facbeSLen Brown { 3351889facbeSLen Brown unsigned long long msr; 3352889facbeSLen Brown int cpu; 3353889facbeSLen Brown 3354889facbeSLen Brown if (!do_rapl) 3355889facbeSLen Brown return 0; 3356889facbeSLen Brown 3357889facbeSLen Brown /* RAPL counters are per package, so print only for 1st thread/package */ 3358889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 3359889facbeSLen Brown return 0; 3360889facbeSLen Brown 3361889facbeSLen Brown cpu = t->cpu_id; 3362889facbeSLen Brown if (cpu_migrate(cpu)) { 3363b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 3364889facbeSLen Brown return -1; 3365889facbeSLen Brown } 3366889facbeSLen Brown 3367889facbeSLen Brown if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr)) 3368889facbeSLen Brown return -1; 3369889facbeSLen Brown 337096e47158SLen Brown fprintf(outf, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx (%f Watts, %f Joules, %f sec.)\n", cpu, msr, 3371144b44b1SLen Brown rapl_power_units, rapl_energy_units, rapl_time_units); 337296e47158SLen Brown 3373144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) { 3374144b44b1SLen Brown 3375889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr)) 3376889facbeSLen Brown return -5; 3377889facbeSLen Brown 3378889facbeSLen Brown 3379b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 3380889facbeSLen Brown cpu, msr, 3381889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 3382889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 3383889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 3384889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 3385889facbeSLen Brown 3386144b44b1SLen Brown } 3387144b44b1SLen Brown if (do_rapl & RAPL_PKG) { 3388144b44b1SLen Brown 3389889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr)) 3390889facbeSLen Brown return -9; 3391889facbeSLen Brown 3392b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n", 3393889facbeSLen Brown cpu, msr, (msr >> 63) & 1 ? "" : "UN"); 3394889facbeSLen Brown 3395889facbeSLen Brown print_power_limit_msr(cpu, msr, "PKG Limit #1"); 3396b7d8c148SLen Brown fprintf(outf, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n", 3397889facbeSLen Brown cpu, 3398889facbeSLen Brown ((msr >> 47) & 1) ? "EN" : "DIS", 3399889facbeSLen Brown ((msr >> 32) & 0x7FFF) * rapl_power_units, 3400889facbeSLen Brown (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units, 3401889facbeSLen Brown ((msr >> 48) & 1) ? "EN" : "DIS"); 3402889facbeSLen Brown } 3403889facbeSLen Brown 34040b2bb692SLen Brown if (do_rapl & RAPL_DRAM_POWER_INFO) { 3405889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr)) 3406889facbeSLen Brown return -6; 3407889facbeSLen Brown 3408b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 3409889facbeSLen Brown cpu, msr, 3410889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 3411889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 3412889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 3413889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 34140b2bb692SLen Brown } 34150b2bb692SLen Brown if (do_rapl & RAPL_DRAM) { 3416889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr)) 3417889facbeSLen Brown return -9; 3418b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n", 3419889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "" : "UN"); 3420889facbeSLen Brown 3421889facbeSLen Brown print_power_limit_msr(cpu, msr, "DRAM Limit"); 3422889facbeSLen Brown } 3423144b44b1SLen Brown if (do_rapl & RAPL_CORE_POLICY) { 3424889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POLICY, &msr)) 3425889facbeSLen Brown return -7; 3426889facbeSLen Brown 3427b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF); 3428144b44b1SLen Brown } 34299148494cSJacob Pan if (do_rapl & RAPL_CORES_POWER_LIMIT) { 3430889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr)) 3431889facbeSLen Brown return -9; 3432b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n", 3433889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "" : "UN"); 3434889facbeSLen Brown print_power_limit_msr(cpu, msr, "Cores Limit"); 3435889facbeSLen Brown } 3436889facbeSLen Brown if (do_rapl & RAPL_GFX) { 3437889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POLICY, &msr)) 3438889facbeSLen Brown return -8; 3439889facbeSLen Brown 3440b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF); 3441889facbeSLen Brown 3442889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr)) 3443889facbeSLen Brown return -9; 3444b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n", 3445889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "" : "UN"); 3446889facbeSLen Brown print_power_limit_msr(cpu, msr, "GFX Limit"); 3447889facbeSLen Brown } 3448889facbeSLen Brown return 0; 3449889facbeSLen Brown } 3450889facbeSLen Brown 3451d7899447SLen Brown /* 3452d7899447SLen Brown * SNB adds support for additional MSRs: 3453d7899447SLen Brown * 3454d7899447SLen Brown * MSR_PKG_C7_RESIDENCY 0x000003fa 3455d7899447SLen Brown * MSR_CORE_C7_RESIDENCY 0x000003fe 3456d7899447SLen Brown * MSR_PKG_C2_RESIDENCY 0x0000060d 3457d7899447SLen Brown */ 3458103a8feaSLen Brown 3459d7899447SLen Brown int has_snb_msrs(unsigned int family, unsigned int model) 3460103a8feaSLen Brown { 3461103a8feaSLen Brown if (!genuine_intel) 3462103a8feaSLen Brown return 0; 3463103a8feaSLen Brown 3464103a8feaSLen Brown switch (model) { 3465869ce69eSLen Brown case INTEL_FAM6_SANDYBRIDGE: 3466869ce69eSLen Brown case INTEL_FAM6_SANDYBRIDGE_X: 3467869ce69eSLen Brown case INTEL_FAM6_IVYBRIDGE: /* IVB */ 3468869ce69eSLen Brown case INTEL_FAM6_IVYBRIDGE_X: /* IVB Xeon */ 3469869ce69eSLen Brown case INTEL_FAM6_HASWELL_CORE: /* HSW */ 3470869ce69eSLen Brown case INTEL_FAM6_HASWELL_X: /* HSW */ 3471869ce69eSLen Brown case INTEL_FAM6_HASWELL_ULT: /* HSW */ 3472869ce69eSLen Brown case INTEL_FAM6_HASWELL_GT3E: /* HSW */ 3473869ce69eSLen Brown case INTEL_FAM6_BROADWELL_CORE: /* BDW */ 3474869ce69eSLen Brown case INTEL_FAM6_BROADWELL_GT3E: /* BDW */ 3475869ce69eSLen Brown case INTEL_FAM6_BROADWELL_X: /* BDX */ 3476869ce69eSLen Brown case INTEL_FAM6_BROADWELL_XEON_D: /* BDX-DE */ 3477869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_MOBILE: /* SKL */ 3478869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_DESKTOP: /* SKL */ 3479869ce69eSLen Brown case INTEL_FAM6_KABYLAKE_MOBILE: /* KBL */ 3480869ce69eSLen Brown case INTEL_FAM6_KABYLAKE_DESKTOP: /* KBL */ 3481869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_X: /* SKX */ 3482869ce69eSLen Brown case INTEL_FAM6_ATOM_GOLDMONT: /* BXT */ 3483ac01ac13SLen Brown case INTEL_FAM6_ATOM_GEMINI_LAKE: 34845bbac26eSXiaolong Wang case INTEL_FAM6_ATOM_DENVERTON: /* DNV */ 3485103a8feaSLen Brown return 1; 3486103a8feaSLen Brown } 3487103a8feaSLen Brown return 0; 3488103a8feaSLen Brown } 3489103a8feaSLen Brown 3490d7899447SLen Brown /* 3491d7899447SLen Brown * HSW adds support for additional MSRs: 3492d7899447SLen Brown * 3493d7899447SLen Brown * MSR_PKG_C8_RESIDENCY 0x00000630 3494d7899447SLen Brown * MSR_PKG_C9_RESIDENCY 0x00000631 3495d7899447SLen Brown * MSR_PKG_C10_RESIDENCY 0x00000632 34965a63426eSLen Brown * 34975a63426eSLen Brown * MSR_PKGC8_IRTL 0x00000633 34985a63426eSLen Brown * MSR_PKGC9_IRTL 0x00000634 34995a63426eSLen Brown * MSR_PKGC10_IRTL 0x00000635 35005a63426eSLen Brown * 3501d7899447SLen Brown */ 3502d7899447SLen Brown int has_hsw_msrs(unsigned int family, unsigned int model) 3503ca58710fSKristen Carlson Accardi { 3504ca58710fSKristen Carlson Accardi if (!genuine_intel) 3505ca58710fSKristen Carlson Accardi return 0; 3506ca58710fSKristen Carlson Accardi 3507ca58710fSKristen Carlson Accardi switch (model) { 3508869ce69eSLen Brown case INTEL_FAM6_HASWELL_ULT: /* HSW */ 3509869ce69eSLen Brown case INTEL_FAM6_BROADWELL_CORE: /* BDW */ 3510869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_MOBILE: /* SKL */ 3511869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_DESKTOP: /* SKL */ 3512869ce69eSLen Brown case INTEL_FAM6_KABYLAKE_MOBILE: /* KBL */ 3513869ce69eSLen Brown case INTEL_FAM6_KABYLAKE_DESKTOP: /* KBL */ 3514869ce69eSLen Brown case INTEL_FAM6_ATOM_GOLDMONT: /* BXT */ 3515ac01ac13SLen Brown case INTEL_FAM6_ATOM_GEMINI_LAKE: 3516ca58710fSKristen Carlson Accardi return 1; 3517ca58710fSKristen Carlson Accardi } 3518ca58710fSKristen Carlson Accardi return 0; 3519ca58710fSKristen Carlson Accardi } 3520ca58710fSKristen Carlson Accardi 35210b2bb692SLen Brown /* 35220b2bb692SLen Brown * SKL adds support for additional MSRS: 35230b2bb692SLen Brown * 35240b2bb692SLen Brown * MSR_PKG_WEIGHTED_CORE_C0_RES 0x00000658 35250b2bb692SLen Brown * MSR_PKG_ANY_CORE_C0_RES 0x00000659 35260b2bb692SLen Brown * MSR_PKG_ANY_GFXE_C0_RES 0x0000065A 35270b2bb692SLen Brown * MSR_PKG_BOTH_CORE_GFXE_C0_RES 0x0000065B 35280b2bb692SLen Brown */ 35290b2bb692SLen Brown int has_skl_msrs(unsigned int family, unsigned int model) 35300b2bb692SLen Brown { 35310b2bb692SLen Brown if (!genuine_intel) 35320b2bb692SLen Brown return 0; 35330b2bb692SLen Brown 35340b2bb692SLen Brown switch (model) { 3535869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_MOBILE: /* SKL */ 3536869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_DESKTOP: /* SKL */ 3537869ce69eSLen Brown case INTEL_FAM6_KABYLAKE_MOBILE: /* KBL */ 3538869ce69eSLen Brown case INTEL_FAM6_KABYLAKE_DESKTOP: /* KBL */ 35390b2bb692SLen Brown return 1; 35400b2bb692SLen Brown } 35410b2bb692SLen Brown return 0; 35420b2bb692SLen Brown } 35430b2bb692SLen Brown 3544144b44b1SLen Brown int is_slm(unsigned int family, unsigned int model) 3545144b44b1SLen Brown { 3546144b44b1SLen Brown if (!genuine_intel) 3547144b44b1SLen Brown return 0; 3548144b44b1SLen Brown switch (model) { 3549869ce69eSLen Brown case INTEL_FAM6_ATOM_SILVERMONT1: /* BYT */ 3550869ce69eSLen Brown case INTEL_FAM6_ATOM_SILVERMONT2: /* AVN */ 3551144b44b1SLen Brown return 1; 3552144b44b1SLen Brown } 3553144b44b1SLen Brown return 0; 3554144b44b1SLen Brown } 3555144b44b1SLen Brown 3556fb5d4327SDasaratharaman Chandramouli int is_knl(unsigned int family, unsigned int model) 3557fb5d4327SDasaratharaman Chandramouli { 3558fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 3559fb5d4327SDasaratharaman Chandramouli return 0; 3560fb5d4327SDasaratharaman Chandramouli switch (model) { 3561869ce69eSLen Brown case INTEL_FAM6_XEON_PHI_KNL: /* KNL */ 3562005c82d6SLen Brown case INTEL_FAM6_XEON_PHI_KNM: 3563fb5d4327SDasaratharaman Chandramouli return 1; 3564fb5d4327SDasaratharaman Chandramouli } 3565fb5d4327SDasaratharaman Chandramouli return 0; 3566fb5d4327SDasaratharaman Chandramouli } 3567fb5d4327SDasaratharaman Chandramouli 3568b2b34dfeSHubert Chrzaniuk unsigned int get_aperf_mperf_multiplier(unsigned int family, unsigned int model) 3569b2b34dfeSHubert Chrzaniuk { 3570b2b34dfeSHubert Chrzaniuk if (is_knl(family, model)) 3571b2b34dfeSHubert Chrzaniuk return 1024; 3572b2b34dfeSHubert Chrzaniuk return 1; 3573b2b34dfeSHubert Chrzaniuk } 3574b2b34dfeSHubert Chrzaniuk 3575144b44b1SLen Brown #define SLM_BCLK_FREQS 5 3576144b44b1SLen Brown double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0}; 3577144b44b1SLen Brown 3578144b44b1SLen Brown double slm_bclk(void) 3579144b44b1SLen Brown { 3580144b44b1SLen Brown unsigned long long msr = 3; 3581144b44b1SLen Brown unsigned int i; 3582144b44b1SLen Brown double freq; 3583144b44b1SLen Brown 35847ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_FSB_FREQ, &msr)) 3585b7d8c148SLen Brown fprintf(outf, "SLM BCLK: unknown\n"); 3586144b44b1SLen Brown 3587144b44b1SLen Brown i = msr & 0xf; 3588144b44b1SLen Brown if (i >= SLM_BCLK_FREQS) { 3589b7d8c148SLen Brown fprintf(outf, "SLM BCLK[%d] invalid\n", i); 35900a91e551SColin Ian King i = 3; 3591144b44b1SLen Brown } 3592144b44b1SLen Brown freq = slm_freq_table[i]; 3593144b44b1SLen Brown 359496e47158SLen Brown if (!quiet) 3595b7d8c148SLen Brown fprintf(outf, "SLM BCLK: %.1f Mhz\n", freq); 3596144b44b1SLen Brown 3597144b44b1SLen Brown return freq; 3598144b44b1SLen Brown } 3599144b44b1SLen Brown 3600103a8feaSLen Brown double discover_bclk(unsigned int family, unsigned int model) 3601103a8feaSLen Brown { 3602121b48bbSChrzaniuk, Hubert if (has_snb_msrs(family, model) || is_knl(family, model)) 3603103a8feaSLen Brown return 100.00; 3604144b44b1SLen Brown else if (is_slm(family, model)) 3605144b44b1SLen Brown return slm_bclk(); 3606103a8feaSLen Brown else 3607103a8feaSLen Brown return 133.33; 3608103a8feaSLen Brown } 3609103a8feaSLen Brown 3610889facbeSLen Brown /* 3611889facbeSLen Brown * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where 3612889facbeSLen Brown * the Thermal Control Circuit (TCC) activates. 3613889facbeSLen Brown * This is usually equal to tjMax. 3614889facbeSLen Brown * 3615889facbeSLen Brown * Older processors do not have this MSR, so there we guess, 3616889facbeSLen Brown * but also allow cmdline over-ride with -T. 3617889facbeSLen Brown * 3618889facbeSLen Brown * Several MSR temperature values are in units of degrees-C 3619889facbeSLen Brown * below this value, including the Digital Thermal Sensor (DTS), 3620889facbeSLen Brown * Package Thermal Management Sensor (PTM), and thermal event thresholds. 3621889facbeSLen Brown */ 3622889facbeSLen Brown int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p) 3623889facbeSLen Brown { 3624889facbeSLen Brown unsigned long long msr; 3625889facbeSLen Brown unsigned int target_c_local; 3626889facbeSLen Brown int cpu; 3627889facbeSLen Brown 3628889facbeSLen Brown /* tcc_activation_temp is used only for dts or ptm */ 3629889facbeSLen Brown if (!(do_dts || do_ptm)) 3630889facbeSLen Brown return 0; 3631889facbeSLen Brown 3632889facbeSLen Brown /* this is a per-package concept */ 3633889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 3634889facbeSLen Brown return 0; 3635889facbeSLen Brown 3636889facbeSLen Brown cpu = t->cpu_id; 3637889facbeSLen Brown if (cpu_migrate(cpu)) { 3638b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 3639889facbeSLen Brown return -1; 3640889facbeSLen Brown } 3641889facbeSLen Brown 3642889facbeSLen Brown if (tcc_activation_temp_override != 0) { 3643889facbeSLen Brown tcc_activation_temp = tcc_activation_temp_override; 3644b7d8c148SLen Brown fprintf(outf, "cpu%d: Using cmdline TCC Target (%d C)\n", 3645889facbeSLen Brown cpu, tcc_activation_temp); 3646889facbeSLen Brown return 0; 3647889facbeSLen Brown } 3648889facbeSLen Brown 3649889facbeSLen Brown /* Temperature Target MSR is Nehalem and newer only */ 3650d7899447SLen Brown if (!do_nhm_platform_info) 3651889facbeSLen Brown goto guess; 3652889facbeSLen Brown 36537ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr)) 3654889facbeSLen Brown goto guess; 3655889facbeSLen Brown 36563482124aSJean Delvare target_c_local = (msr >> 16) & 0xFF; 3657889facbeSLen Brown 365896e47158SLen Brown if (!quiet) 3659b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", 3660889facbeSLen Brown cpu, msr, target_c_local); 3661889facbeSLen Brown 36623482124aSJean Delvare if (!target_c_local) 3663889facbeSLen Brown goto guess; 3664889facbeSLen Brown 3665889facbeSLen Brown tcc_activation_temp = target_c_local; 3666889facbeSLen Brown 3667889facbeSLen Brown return 0; 3668889facbeSLen Brown 3669889facbeSLen Brown guess: 3670889facbeSLen Brown tcc_activation_temp = TJMAX_DEFAULT; 3671b7d8c148SLen Brown fprintf(outf, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n", 3672889facbeSLen Brown cpu, tcc_activation_temp); 3673889facbeSLen Brown 3674889facbeSLen Brown return 0; 3675889facbeSLen Brown } 367669807a63SLen Brown 3677aa8d8cc7SLen Brown void decode_feature_control_msr(void) 3678aa8d8cc7SLen Brown { 3679aa8d8cc7SLen Brown unsigned long long msr; 3680aa8d8cc7SLen Brown 3681aa8d8cc7SLen Brown if (!get_msr(base_cpu, MSR_IA32_FEATURE_CONTROL, &msr)) 3682aa8d8cc7SLen Brown fprintf(outf, "cpu%d: MSR_IA32_FEATURE_CONTROL: 0x%08llx (%sLocked %s)\n", 3683aa8d8cc7SLen Brown base_cpu, msr, 3684aa8d8cc7SLen Brown msr & FEATURE_CONTROL_LOCKED ? "" : "UN-", 3685aa8d8cc7SLen Brown msr & (1 << 18) ? "SGX" : ""); 3686aa8d8cc7SLen Brown } 3687aa8d8cc7SLen Brown 368869807a63SLen Brown void decode_misc_enable_msr(void) 368969807a63SLen Brown { 369069807a63SLen Brown unsigned long long msr; 369169807a63SLen Brown 369269807a63SLen Brown if (!get_msr(base_cpu, MSR_IA32_MISC_ENABLE, &msr)) 3693e6512624SLen Brown fprintf(outf, "cpu%d: MSR_IA32_MISC_ENABLE: 0x%08llx (%sTCC %sEIST %sMWAIT %sPREFETCH %sTURBO)\n", 369469807a63SLen Brown base_cpu, msr, 3695e6512624SLen Brown msr & MSR_IA32_MISC_ENABLE_TM1 ? "" : "No-", 3696e6512624SLen Brown msr & MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP ? "" : "No-", 3697e6512624SLen Brown msr & MSR_IA32_MISC_ENABLE_MWAIT ? "No-" : "", 3698e6512624SLen Brown msr & MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE ? "No-" : "", 3699e6512624SLen Brown msr & MSR_IA32_MISC_ENABLE_TURBO_DISABLE ? "No-" : ""); 370069807a63SLen Brown } 370169807a63SLen Brown 370233148d67SLen Brown void decode_misc_feature_control(void) 370333148d67SLen Brown { 370433148d67SLen Brown unsigned long long msr; 370533148d67SLen Brown 370633148d67SLen Brown if (!has_misc_feature_control) 370733148d67SLen Brown return; 370833148d67SLen Brown 370933148d67SLen Brown if (!get_msr(base_cpu, MSR_MISC_FEATURE_CONTROL, &msr)) 371033148d67SLen Brown fprintf(outf, "cpu%d: MSR_MISC_FEATURE_CONTROL: 0x%08llx (%sL2-Prefetch %sL2-Prefetch-pair %sL1-Prefetch %sL1-IP-Prefetch)\n", 371133148d67SLen Brown base_cpu, msr, 371233148d67SLen Brown msr & (0 << 0) ? "No-" : "", 371333148d67SLen Brown msr & (1 << 0) ? "No-" : "", 371433148d67SLen Brown msr & (2 << 0) ? "No-" : "", 371533148d67SLen Brown msr & (3 << 0) ? "No-" : ""); 371633148d67SLen Brown } 3717f0057310SLen Brown /* 3718f0057310SLen Brown * Decode MSR_MISC_PWR_MGMT 3719f0057310SLen Brown * 3720f0057310SLen Brown * Decode the bits according to the Nehalem documentation 3721f0057310SLen Brown * bit[0] seems to continue to have same meaning going forward 3722f0057310SLen Brown * bit[1] less so... 3723f0057310SLen Brown */ 3724f0057310SLen Brown void decode_misc_pwr_mgmt_msr(void) 3725f0057310SLen Brown { 3726f0057310SLen Brown unsigned long long msr; 3727f0057310SLen Brown 3728f0057310SLen Brown if (!do_nhm_platform_info) 3729f0057310SLen Brown return; 3730f0057310SLen Brown 3731cf4cbe53SLen Brown if (no_MSR_MISC_PWR_MGMT) 3732cf4cbe53SLen Brown return; 3733cf4cbe53SLen Brown 3734f0057310SLen Brown if (!get_msr(base_cpu, MSR_MISC_PWR_MGMT, &msr)) 3735ddadb8adSSrinivas Pandruvada fprintf(outf, "cpu%d: MSR_MISC_PWR_MGMT: 0x%08llx (%sable-EIST_Coordination %sable-EPB %sable-OOB)\n", 3736f0057310SLen Brown base_cpu, msr, 3737f0057310SLen Brown msr & (1 << 0) ? "DIS" : "EN", 3738ddadb8adSSrinivas Pandruvada msr & (1 << 1) ? "EN" : "DIS", 3739ddadb8adSSrinivas Pandruvada msr & (1 << 8) ? "EN" : "DIS"); 3740f0057310SLen Brown } 374171616c8eSLen Brown /* 374271616c8eSLen Brown * Decode MSR_CC6_DEMOTION_POLICY_CONFIG, MSR_MC6_DEMOTION_POLICY_CONFIG 374371616c8eSLen Brown * 374471616c8eSLen Brown * This MSRs are present on Silvermont processors, 374571616c8eSLen Brown * Intel Atom processor E3000 series (Baytrail), and friends. 374671616c8eSLen Brown */ 374771616c8eSLen Brown void decode_c6_demotion_policy_msr(void) 374871616c8eSLen Brown { 374971616c8eSLen Brown unsigned long long msr; 375071616c8eSLen Brown 375171616c8eSLen Brown if (!get_msr(base_cpu, MSR_CC6_DEMOTION_POLICY_CONFIG, &msr)) 375271616c8eSLen Brown fprintf(outf, "cpu%d: MSR_CC6_DEMOTION_POLICY_CONFIG: 0x%08llx (%sable-CC6-Demotion)\n", 375371616c8eSLen Brown base_cpu, msr, msr & (1 << 0) ? "EN" : "DIS"); 375471616c8eSLen Brown 375571616c8eSLen Brown if (!get_msr(base_cpu, MSR_MC6_DEMOTION_POLICY_CONFIG, &msr)) 375671616c8eSLen Brown fprintf(outf, "cpu%d: MSR_MC6_DEMOTION_POLICY_CONFIG: 0x%08llx (%sable-MC6-Demotion)\n", 375771616c8eSLen Brown base_cpu, msr, msr & (1 << 0) ? "EN" : "DIS"); 375871616c8eSLen Brown } 37597f5c258eSLen Brown 3760fcd17211SLen Brown void process_cpuid() 3761103a8feaSLen Brown { 376261a87ba7SLen Brown unsigned int eax, ebx, ecx, edx, max_level, max_extended_level; 3763103a8feaSLen Brown unsigned int fms, family, model, stepping; 3764b3a34e93SLen Brown unsigned int has_turbo; 3765103a8feaSLen Brown 3766103a8feaSLen Brown eax = ebx = ecx = edx = 0; 3767103a8feaSLen Brown 37685aea2f7fSLen Brown __cpuid(0, max_level, ebx, ecx, edx); 3769103a8feaSLen Brown 3770103a8feaSLen Brown if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e) 3771103a8feaSLen Brown genuine_intel = 1; 3772103a8feaSLen Brown 377396e47158SLen Brown if (!quiet) 3774b7d8c148SLen Brown fprintf(outf, "CPUID(0): %.4s%.4s%.4s ", 3775103a8feaSLen Brown (char *)&ebx, (char *)&edx, (char *)&ecx); 3776103a8feaSLen Brown 37775aea2f7fSLen Brown __cpuid(1, fms, ebx, ecx, edx); 3778103a8feaSLen Brown family = (fms >> 8) & 0xf; 3779103a8feaSLen Brown model = (fms >> 4) & 0xf; 3780103a8feaSLen Brown stepping = fms & 0xf; 3781103a8feaSLen Brown if (family == 6 || family == 0xf) 3782103a8feaSLen Brown model += ((fms >> 16) & 0xf) << 4; 3783103a8feaSLen Brown 378496e47158SLen Brown if (!quiet) { 3785b7d8c148SLen Brown fprintf(outf, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n", 3786103a8feaSLen Brown max_level, family, model, stepping, family, model, stepping); 3787aa8d8cc7SLen Brown fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s %s\n", 378869807a63SLen Brown ecx & (1 << 0) ? "SSE3" : "-", 378969807a63SLen Brown ecx & (1 << 3) ? "MONITOR" : "-", 3790aa8d8cc7SLen Brown ecx & (1 << 6) ? "SMX" : "-", 379169807a63SLen Brown ecx & (1 << 7) ? "EIST" : "-", 379269807a63SLen Brown ecx & (1 << 8) ? "TM2" : "-", 379369807a63SLen Brown edx & (1 << 4) ? "TSC" : "-", 379469807a63SLen Brown edx & (1 << 5) ? "MSR" : "-", 379569807a63SLen Brown edx & (1 << 22) ? "ACPI-TM" : "-", 379669807a63SLen Brown edx & (1 << 29) ? "TM" : "-"); 379769807a63SLen Brown } 3798103a8feaSLen Brown 3799b2c95d90SJosh Triplett if (!(edx & (1 << 5))) 3800b2c95d90SJosh Triplett errx(1, "CPUID: no MSR"); 3801103a8feaSLen Brown 3802103a8feaSLen Brown /* 3803103a8feaSLen Brown * check max extended function levels of CPUID. 3804103a8feaSLen Brown * This is needed to check for invariant TSC. 3805103a8feaSLen Brown * This check is valid for both Intel and AMD. 3806103a8feaSLen Brown */ 3807103a8feaSLen Brown ebx = ecx = edx = 0; 38085aea2f7fSLen Brown __cpuid(0x80000000, max_extended_level, ebx, ecx, edx); 3809103a8feaSLen Brown 381061a87ba7SLen Brown if (max_extended_level >= 0x80000007) { 3811103a8feaSLen Brown 3812103a8feaSLen Brown /* 3813103a8feaSLen Brown * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8 3814103a8feaSLen Brown * this check is valid for both Intel and AMD 3815103a8feaSLen Brown */ 38165aea2f7fSLen Brown __cpuid(0x80000007, eax, ebx, ecx, edx); 38178209e054SThomas Renninger has_invariant_tsc = edx & (1 << 8); 3818d7899447SLen Brown } 3819103a8feaSLen Brown 3820103a8feaSLen Brown /* 3821103a8feaSLen Brown * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0 3822103a8feaSLen Brown * this check is valid for both Intel and AMD 3823103a8feaSLen Brown */ 3824103a8feaSLen Brown 38255aea2f7fSLen Brown __cpuid(0x6, eax, ebx, ecx, edx); 38268209e054SThomas Renninger has_aperf = ecx & (1 << 0); 3827812db3f7SLen Brown if (has_aperf) { 3828812db3f7SLen Brown BIC_PRESENT(BIC_Avg_MHz); 3829812db3f7SLen Brown BIC_PRESENT(BIC_Busy); 3830812db3f7SLen Brown BIC_PRESENT(BIC_Bzy_MHz); 3831812db3f7SLen Brown } 3832889facbeSLen Brown do_dts = eax & (1 << 0); 3833812db3f7SLen Brown if (do_dts) 3834812db3f7SLen Brown BIC_PRESENT(BIC_CoreTmp); 3835b3a34e93SLen Brown has_turbo = eax & (1 << 1); 3836889facbeSLen Brown do_ptm = eax & (1 << 6); 3837812db3f7SLen Brown if (do_ptm) 3838812db3f7SLen Brown BIC_PRESENT(BIC_PkgTmp); 38397f5c258eSLen Brown has_hwp = eax & (1 << 7); 38407f5c258eSLen Brown has_hwp_notify = eax & (1 << 8); 38417f5c258eSLen Brown has_hwp_activity_window = eax & (1 << 9); 38427f5c258eSLen Brown has_hwp_epp = eax & (1 << 10); 38437f5c258eSLen Brown has_hwp_pkg = eax & (1 << 11); 3844889facbeSLen Brown has_epb = ecx & (1 << 3); 3845889facbeSLen Brown 384696e47158SLen Brown if (!quiet) 3847b3a34e93SLen Brown fprintf(outf, "CPUID(6): %sAPERF, %sTURBO, %sDTS, %sPTM, %sHWP, " 38487f5c258eSLen Brown "%sHWPnotify, %sHWPwindow, %sHWPepp, %sHWPpkg, %sEPB\n", 38497f5c258eSLen Brown has_aperf ? "" : "No-", 3850b3a34e93SLen Brown has_turbo ? "" : "No-", 38517f5c258eSLen Brown do_dts ? "" : "No-", 38527f5c258eSLen Brown do_ptm ? "" : "No-", 38537f5c258eSLen Brown has_hwp ? "" : "No-", 38547f5c258eSLen Brown has_hwp_notify ? "" : "No-", 38557f5c258eSLen Brown has_hwp_activity_window ? "" : "No-", 38567f5c258eSLen Brown has_hwp_epp ? "" : "No-", 38577f5c258eSLen Brown has_hwp_pkg ? "" : "No-", 38587f5c258eSLen Brown has_epb ? "" : "No-"); 3859103a8feaSLen Brown 386096e47158SLen Brown if (!quiet) 386169807a63SLen Brown decode_misc_enable_msr(); 386269807a63SLen Brown 386333148d67SLen Brown 386496e47158SLen Brown if (max_level >= 0x7 && !quiet) { 3865aa8d8cc7SLen Brown int has_sgx; 3866aa8d8cc7SLen Brown 3867aa8d8cc7SLen Brown ecx = 0; 3868aa8d8cc7SLen Brown 3869aa8d8cc7SLen Brown __cpuid_count(0x7, 0, eax, ebx, ecx, edx); 3870aa8d8cc7SLen Brown 3871aa8d8cc7SLen Brown has_sgx = ebx & (1 << 2); 3872aa8d8cc7SLen Brown fprintf(outf, "CPUID(7): %sSGX\n", has_sgx ? "" : "No-"); 3873aa8d8cc7SLen Brown 3874aa8d8cc7SLen Brown if (has_sgx) 3875aa8d8cc7SLen Brown decode_feature_control_msr(); 3876aa8d8cc7SLen Brown } 3877aa8d8cc7SLen Brown 387861a87ba7SLen Brown if (max_level >= 0x15) { 38798a5bdf41SLen Brown unsigned int eax_crystal; 38808a5bdf41SLen Brown unsigned int ebx_tsc; 38818a5bdf41SLen Brown 38828a5bdf41SLen Brown /* 38838a5bdf41SLen Brown * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz 38848a5bdf41SLen Brown */ 38858a5bdf41SLen Brown eax_crystal = ebx_tsc = crystal_hz = edx = 0; 38865aea2f7fSLen Brown __cpuid(0x15, eax_crystal, ebx_tsc, crystal_hz, edx); 38878a5bdf41SLen Brown 38888a5bdf41SLen Brown if (ebx_tsc != 0) { 38898a5bdf41SLen Brown 389096e47158SLen Brown if (!quiet && (ebx != 0)) 3891b7d8c148SLen Brown fprintf(outf, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n", 38928a5bdf41SLen Brown eax_crystal, ebx_tsc, crystal_hz); 38938a5bdf41SLen Brown 38948a5bdf41SLen Brown if (crystal_hz == 0) 38958a5bdf41SLen Brown switch(model) { 3896869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_MOBILE: /* SKL */ 3897869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_DESKTOP: /* SKL */ 3898869ce69eSLen Brown case INTEL_FAM6_KABYLAKE_MOBILE: /* KBL */ 3899869ce69eSLen Brown case INTEL_FAM6_KABYLAKE_DESKTOP: /* KBL */ 3900e8efbc80SLen Brown crystal_hz = 24000000; /* 24.0 MHz */ 3901e8efbc80SLen Brown break; 3902869ce69eSLen Brown case INTEL_FAM6_SKYLAKE_X: /* SKX */ 39037268d407SLen Brown case INTEL_FAM6_ATOM_DENVERTON: /* DNV */ 3904ec53e594SLen Brown crystal_hz = 25000000; /* 25.0 MHz */ 3905ec53e594SLen Brown break; 3906869ce69eSLen Brown case INTEL_FAM6_ATOM_GOLDMONT: /* BXT */ 3907ac01ac13SLen Brown case INTEL_FAM6_ATOM_GEMINI_LAKE: 3908e8efbc80SLen Brown crystal_hz = 19200000; /* 19.2 MHz */ 39098a5bdf41SLen Brown break; 39108a5bdf41SLen Brown default: 39118a5bdf41SLen Brown crystal_hz = 0; 39128a5bdf41SLen Brown } 39138a5bdf41SLen Brown 39148a5bdf41SLen Brown if (crystal_hz) { 39158a5bdf41SLen Brown tsc_hz = (unsigned long long) crystal_hz * ebx_tsc / eax_crystal; 391696e47158SLen Brown if (!quiet) 3917b7d8c148SLen Brown fprintf(outf, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n", 39188a5bdf41SLen Brown tsc_hz / 1000000, crystal_hz, ebx_tsc, eax_crystal); 39198a5bdf41SLen Brown } 39208a5bdf41SLen Brown } 39218a5bdf41SLen Brown } 392261a87ba7SLen Brown if (max_level >= 0x16) { 392361a87ba7SLen Brown unsigned int base_mhz, max_mhz, bus_mhz, edx; 392461a87ba7SLen Brown 392561a87ba7SLen Brown /* 392661a87ba7SLen Brown * CPUID 16H Base MHz, Max MHz, Bus MHz 392761a87ba7SLen Brown */ 392861a87ba7SLen Brown base_mhz = max_mhz = bus_mhz = edx = 0; 392961a87ba7SLen Brown 39305aea2f7fSLen Brown __cpuid(0x16, base_mhz, max_mhz, bus_mhz, edx); 393196e47158SLen Brown if (!quiet) 3932b7d8c148SLen Brown fprintf(outf, "CPUID(0x16): base_mhz: %d max_mhz: %d bus_mhz: %d\n", 393361a87ba7SLen Brown base_mhz, max_mhz, bus_mhz); 393461a87ba7SLen Brown } 39358a5bdf41SLen Brown 3936b2b34dfeSHubert Chrzaniuk if (has_aperf) 3937b2b34dfeSHubert Chrzaniuk aperf_mperf_multiplier = get_aperf_mperf_multiplier(family, model); 3938b2b34dfeSHubert Chrzaniuk 3939812db3f7SLen Brown BIC_PRESENT(BIC_IRQ); 3940812db3f7SLen Brown BIC_PRESENT(BIC_TSC_MHz); 3941812db3f7SLen Brown 3942812db3f7SLen Brown if (probe_nhm_msrs(family, model)) { 3943812db3f7SLen Brown do_nhm_platform_info = 1; 3944812db3f7SLen Brown BIC_PRESENT(BIC_CPU_c1); 3945812db3f7SLen Brown BIC_PRESENT(BIC_CPU_c3); 3946812db3f7SLen Brown BIC_PRESENT(BIC_CPU_c6); 3947812db3f7SLen Brown BIC_PRESENT(BIC_SMI); 3948812db3f7SLen Brown } 3949d7899447SLen Brown do_snb_cstates = has_snb_msrs(family, model); 3950812db3f7SLen Brown 3951812db3f7SLen Brown if (do_snb_cstates) 3952812db3f7SLen Brown BIC_PRESENT(BIC_CPU_c7); 3953812db3f7SLen Brown 39545a63426eSLen Brown do_irtl_snb = has_snb_msrs(family, model); 39550f47c08dSLen Brown if (do_snb_cstates && (pkg_cstate_limit >= PCL__2)) 39560f47c08dSLen Brown BIC_PRESENT(BIC_Pkgpc2); 39570f47c08dSLen Brown if (pkg_cstate_limit >= PCL__3) 39580f47c08dSLen Brown BIC_PRESENT(BIC_Pkgpc3); 39590f47c08dSLen Brown if (pkg_cstate_limit >= PCL__6) 39600f47c08dSLen Brown BIC_PRESENT(BIC_Pkgpc6); 39610f47c08dSLen Brown if (do_snb_cstates && (pkg_cstate_limit >= PCL__7)) 39620f47c08dSLen Brown BIC_PRESENT(BIC_Pkgpc7); 39630539ba11SLen Brown if (has_slv_msrs(family, model)) { 39640f47c08dSLen Brown BIC_NOT_PRESENT(BIC_Pkgpc2); 39650f47c08dSLen Brown BIC_NOT_PRESENT(BIC_Pkgpc3); 39660f47c08dSLen Brown BIC_PRESENT(BIC_Pkgpc6); 39670f47c08dSLen Brown BIC_NOT_PRESENT(BIC_Pkgpc7); 39680539ba11SLen Brown BIC_PRESENT(BIC_Mod_c6); 39690539ba11SLen Brown use_c1_residency_msr = 1; 39700539ba11SLen Brown } 39717170a374SLen Brown if (is_dnv(family, model)) { 39727170a374SLen Brown BIC_PRESENT(BIC_CPU_c1); 39737170a374SLen Brown BIC_NOT_PRESENT(BIC_CPU_c3); 39747170a374SLen Brown BIC_NOT_PRESENT(BIC_Pkgpc3); 39757170a374SLen Brown BIC_NOT_PRESENT(BIC_CPU_c7); 39767170a374SLen Brown BIC_NOT_PRESENT(BIC_Pkgpc7); 39777170a374SLen Brown use_c1_residency_msr = 1; 39787170a374SLen Brown } 397934c76197SLen Brown if (is_skx(family, model)) { 398034c76197SLen Brown BIC_NOT_PRESENT(BIC_CPU_c3); 398134c76197SLen Brown BIC_NOT_PRESENT(BIC_Pkgpc3); 398234c76197SLen Brown BIC_NOT_PRESENT(BIC_CPU_c7); 398334c76197SLen Brown BIC_NOT_PRESENT(BIC_Pkgpc7); 398434c76197SLen Brown } 3985ade0ebacSLen Brown if (is_bdx(family, model)) { 3986ade0ebacSLen Brown BIC_NOT_PRESENT(BIC_CPU_c7); 3987ade0ebacSLen Brown BIC_NOT_PRESENT(BIC_Pkgpc7); 3988ade0ebacSLen Brown } 39890f47c08dSLen Brown if (has_hsw_msrs(family, model)) { 39900f47c08dSLen Brown BIC_PRESENT(BIC_Pkgpc8); 39910f47c08dSLen Brown BIC_PRESENT(BIC_Pkgpc9); 39920f47c08dSLen Brown BIC_PRESENT(BIC_Pkgpc10); 39930f47c08dSLen Brown } 39945a63426eSLen Brown do_irtl_hsw = has_hsw_msrs(family, model); 39950b2bb692SLen Brown do_skl_residency = has_skl_msrs(family, model); 3996144b44b1SLen Brown do_slm_cstates = is_slm(family, model); 3997fb5d4327SDasaratharaman Chandramouli do_knl_cstates = is_knl(family, model); 3998103a8feaSLen Brown 399996e47158SLen Brown if (!quiet) 4000f0057310SLen Brown decode_misc_pwr_mgmt_msr(); 4001f0057310SLen Brown 400296e47158SLen Brown if (!quiet && has_slv_msrs(family, model)) 400371616c8eSLen Brown decode_c6_demotion_policy_msr(); 400471616c8eSLen Brown 4005889facbeSLen Brown rapl_probe(family, model); 40063a9a941dSLen Brown perf_limit_reasons_probe(family, model); 4007889facbeSLen Brown 400896e47158SLen Brown if (!quiet) 40091b69317dSColin Ian King dump_cstate_pstate_config_info(family, model); 4010fcd17211SLen Brown 4011a2b7b749SLen Brown if (has_skl_msrs(family, model)) 4012a2b7b749SLen Brown calculate_tsc_tweak(); 4013a2b7b749SLen Brown 4014812db3f7SLen Brown if (!access("/sys/class/drm/card0/power/rc6_residency_ms", R_OK)) 4015812db3f7SLen Brown BIC_PRESENT(BIC_GFX_rc6); 4016fdf676e5SLen Brown 4017812db3f7SLen Brown if (!access("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", R_OK)) 4018812db3f7SLen Brown BIC_PRESENT(BIC_GFXMHz); 401927d47356SLen Brown 402096e47158SLen Brown if (!quiet) 402133148d67SLen Brown decode_misc_feature_control(); 402233148d67SLen Brown 4023889facbeSLen Brown return; 4024103a8feaSLen Brown } 4025103a8feaSLen Brown 4026d8af6f5fSLen Brown void help() 4027103a8feaSLen Brown { 4028b7d8c148SLen Brown fprintf(outf, 4029d8af6f5fSLen Brown "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n" 4030d8af6f5fSLen Brown "\n" 4031d8af6f5fSLen Brown "Turbostat forks the specified COMMAND and prints statistics\n" 4032d8af6f5fSLen Brown "when COMMAND completes.\n" 4033d8af6f5fSLen Brown "If no COMMAND is specified, turbostat wakes every 5-seconds\n" 4034d8af6f5fSLen Brown "to print statistics, until interrupted.\n" 4035388e9c81SLen Brown "--add add a counter\n" 4036388e9c81SLen Brown " eg. --add msr0x10,u64,cpu,delta,MY_TSC\n" 403796e47158SLen Brown "--quiet skip decoding system configuration header\n" 4038d8af6f5fSLen Brown "--interval sec Override default 5-second measurement interval\n" 4039d8af6f5fSLen Brown "--help print this help message\n" 4040b7d8c148SLen Brown "--out file create or truncate \"file\" for all output\n" 4041d8af6f5fSLen Brown "--version print version information\n" 4042d8af6f5fSLen Brown "\n" 4043d8af6f5fSLen Brown "For more help, run \"man turbostat\"\n"); 4044103a8feaSLen Brown } 4045103a8feaSLen Brown 4046103a8feaSLen Brown 4047103a8feaSLen Brown /* 4048103a8feaSLen Brown * in /dev/cpu/ return success for names that are numbers 4049103a8feaSLen Brown * ie. filter out ".", "..", "microcode". 4050103a8feaSLen Brown */ 4051103a8feaSLen Brown int dir_filter(const struct dirent *dirp) 4052103a8feaSLen Brown { 4053103a8feaSLen Brown if (isdigit(dirp->d_name[0])) 4054103a8feaSLen Brown return 1; 4055103a8feaSLen Brown else 4056103a8feaSLen Brown return 0; 4057103a8feaSLen Brown } 4058103a8feaSLen Brown 4059103a8feaSLen Brown int open_dev_cpu_msr(int dummy1) 4060103a8feaSLen Brown { 4061103a8feaSLen Brown return 0; 4062103a8feaSLen Brown } 4063103a8feaSLen Brown 4064c98d5d94SLen Brown void topology_probe() 4065c98d5d94SLen Brown { 4066c98d5d94SLen Brown int i; 4067c98d5d94SLen Brown int max_core_id = 0; 4068c98d5d94SLen Brown int max_package_id = 0; 4069c98d5d94SLen Brown int max_siblings = 0; 4070c98d5d94SLen Brown struct cpu_topology { 4071c98d5d94SLen Brown int core_id; 4072c98d5d94SLen Brown int physical_package_id; 4073c98d5d94SLen Brown } *cpus; 4074c98d5d94SLen Brown 4075c98d5d94SLen Brown /* Initialize num_cpus, max_cpu_num */ 4076c98d5d94SLen Brown topo.num_cpus = 0; 4077c98d5d94SLen Brown topo.max_cpu_num = 0; 4078c98d5d94SLen Brown for_all_proc_cpus(count_cpus); 4079c98d5d94SLen Brown if (!summary_only && topo.num_cpus > 1) 4080812db3f7SLen Brown BIC_PRESENT(BIC_CPU); 4081c98d5d94SLen Brown 4082d8af6f5fSLen Brown if (debug > 1) 4083b7d8c148SLen Brown fprintf(outf, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num); 4084c98d5d94SLen Brown 4085c98d5d94SLen Brown cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology)); 4086b2c95d90SJosh Triplett if (cpus == NULL) 4087b2c95d90SJosh Triplett err(1, "calloc cpus"); 4088c98d5d94SLen Brown 4089c98d5d94SLen Brown /* 4090c98d5d94SLen Brown * Allocate and initialize cpu_present_set 4091c98d5d94SLen Brown */ 4092c98d5d94SLen Brown cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1)); 4093b2c95d90SJosh Triplett if (cpu_present_set == NULL) 4094b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 4095c98d5d94SLen Brown cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 4096c98d5d94SLen Brown CPU_ZERO_S(cpu_present_setsize, cpu_present_set); 4097c98d5d94SLen Brown for_all_proc_cpus(mark_cpu_present); 4098c98d5d94SLen Brown 4099c98d5d94SLen Brown /* 4100c98d5d94SLen Brown * Allocate and initialize cpu_affinity_set 4101c98d5d94SLen Brown */ 4102c98d5d94SLen Brown cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1)); 4103b2c95d90SJosh Triplett if (cpu_affinity_set == NULL) 4104b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 4105c98d5d94SLen Brown cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 4106c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 4107c98d5d94SLen Brown 4108c98d5d94SLen Brown 4109c98d5d94SLen Brown /* 4110c98d5d94SLen Brown * For online cpus 4111c98d5d94SLen Brown * find max_core_id, max_package_id 4112c98d5d94SLen Brown */ 4113c98d5d94SLen Brown for (i = 0; i <= topo.max_cpu_num; ++i) { 4114c98d5d94SLen Brown int siblings; 4115c98d5d94SLen Brown 4116c98d5d94SLen Brown if (cpu_is_not_present(i)) { 4117d8af6f5fSLen Brown if (debug > 1) 4118b7d8c148SLen Brown fprintf(outf, "cpu%d NOT PRESENT\n", i); 4119c98d5d94SLen Brown continue; 4120c98d5d94SLen Brown } 4121c98d5d94SLen Brown cpus[i].core_id = get_core_id(i); 4122c98d5d94SLen Brown if (cpus[i].core_id > max_core_id) 4123c98d5d94SLen Brown max_core_id = cpus[i].core_id; 4124c98d5d94SLen Brown 4125c98d5d94SLen Brown cpus[i].physical_package_id = get_physical_package_id(i); 4126c98d5d94SLen Brown if (cpus[i].physical_package_id > max_package_id) 4127c98d5d94SLen Brown max_package_id = cpus[i].physical_package_id; 4128c98d5d94SLen Brown 4129c98d5d94SLen Brown siblings = get_num_ht_siblings(i); 4130c98d5d94SLen Brown if (siblings > max_siblings) 4131c98d5d94SLen Brown max_siblings = siblings; 4132d8af6f5fSLen Brown if (debug > 1) 4133b7d8c148SLen Brown fprintf(outf, "cpu %d pkg %d core %d\n", 4134c98d5d94SLen Brown i, cpus[i].physical_package_id, cpus[i].core_id); 4135c98d5d94SLen Brown } 4136c98d5d94SLen Brown topo.num_cores_per_pkg = max_core_id + 1; 4137d8af6f5fSLen Brown if (debug > 1) 4138b7d8c148SLen Brown fprintf(outf, "max_core_id %d, sizing for %d cores per package\n", 4139c98d5d94SLen Brown max_core_id, topo.num_cores_per_pkg); 41400f47c08dSLen Brown if (!summary_only && topo.num_cores_per_pkg > 1) 4141812db3f7SLen Brown BIC_PRESENT(BIC_Core); 4142c98d5d94SLen Brown 4143c98d5d94SLen Brown topo.num_packages = max_package_id + 1; 4144d8af6f5fSLen Brown if (debug > 1) 4145b7d8c148SLen Brown fprintf(outf, "max_package_id %d, sizing for %d packages\n", 4146c98d5d94SLen Brown max_package_id, topo.num_packages); 41471cc21f7bSLen Brown if (debug && !summary_only && topo.num_packages > 1) 4148812db3f7SLen Brown BIC_PRESENT(BIC_Package); 4149c98d5d94SLen Brown 4150c98d5d94SLen Brown topo.num_threads_per_core = max_siblings; 4151d8af6f5fSLen Brown if (debug > 1) 4152b7d8c148SLen Brown fprintf(outf, "max_siblings %d\n", max_siblings); 4153c98d5d94SLen Brown 4154c98d5d94SLen Brown free(cpus); 4155c98d5d94SLen Brown } 4156c98d5d94SLen Brown 4157c98d5d94SLen Brown void 4158c98d5d94SLen Brown allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p) 4159c98d5d94SLen Brown { 4160c98d5d94SLen Brown int i; 4161c98d5d94SLen Brown 4162c98d5d94SLen Brown *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg * 4163678a3bd1SLen Brown topo.num_packages, sizeof(struct thread_data)); 4164c98d5d94SLen Brown if (*t == NULL) 4165c98d5d94SLen Brown goto error; 4166c98d5d94SLen Brown 4167c98d5d94SLen Brown for (i = 0; i < topo.num_threads_per_core * 4168c98d5d94SLen Brown topo.num_cores_per_pkg * topo.num_packages; i++) 4169c98d5d94SLen Brown (*t)[i].cpu_id = -1; 4170c98d5d94SLen Brown 4171c98d5d94SLen Brown *c = calloc(topo.num_cores_per_pkg * topo.num_packages, 4172678a3bd1SLen Brown sizeof(struct core_data)); 4173c98d5d94SLen Brown if (*c == NULL) 4174c98d5d94SLen Brown goto error; 4175c98d5d94SLen Brown 4176c98d5d94SLen Brown for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++) 4177c98d5d94SLen Brown (*c)[i].core_id = -1; 4178c98d5d94SLen Brown 4179678a3bd1SLen Brown *p = calloc(topo.num_packages, sizeof(struct pkg_data)); 4180c98d5d94SLen Brown if (*p == NULL) 4181c98d5d94SLen Brown goto error; 4182c98d5d94SLen Brown 4183c98d5d94SLen Brown for (i = 0; i < topo.num_packages; i++) 4184c98d5d94SLen Brown (*p)[i].package_id = i; 4185c98d5d94SLen Brown 4186c98d5d94SLen Brown return; 4187c98d5d94SLen Brown error: 4188b2c95d90SJosh Triplett err(1, "calloc counters"); 4189c98d5d94SLen Brown } 4190c98d5d94SLen Brown /* 4191c98d5d94SLen Brown * init_counter() 4192c98d5d94SLen Brown * 4193c98d5d94SLen Brown * set cpu_id, core_num, pkg_num 4194c98d5d94SLen Brown * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE 4195c98d5d94SLen Brown * 4196c98d5d94SLen Brown * increment topo.num_cores when 1st core in pkg seen 4197c98d5d94SLen Brown */ 4198c98d5d94SLen Brown void init_counter(struct thread_data *thread_base, struct core_data *core_base, 4199c98d5d94SLen Brown struct pkg_data *pkg_base, int thread_num, int core_num, 4200c98d5d94SLen Brown int pkg_num, int cpu_id) 4201c98d5d94SLen Brown { 4202c98d5d94SLen Brown struct thread_data *t; 4203c98d5d94SLen Brown struct core_data *c; 4204c98d5d94SLen Brown struct pkg_data *p; 4205c98d5d94SLen Brown 4206c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_num, core_num, pkg_num); 4207c98d5d94SLen Brown c = GET_CORE(core_base, core_num, pkg_num); 4208c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_num); 4209c98d5d94SLen Brown 4210c98d5d94SLen Brown t->cpu_id = cpu_id; 4211c98d5d94SLen Brown if (thread_num == 0) { 4212c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_THREAD_IN_CORE; 4213c98d5d94SLen Brown if (cpu_is_first_core_in_package(cpu_id)) 4214c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE; 4215c98d5d94SLen Brown } 4216c98d5d94SLen Brown 4217c98d5d94SLen Brown c->core_id = core_num; 4218c98d5d94SLen Brown p->package_id = pkg_num; 4219c98d5d94SLen Brown } 4220c98d5d94SLen Brown 4221c98d5d94SLen Brown 4222c98d5d94SLen Brown int initialize_counters(int cpu_id) 4223c98d5d94SLen Brown { 4224c98d5d94SLen Brown int my_thread_id, my_core_id, my_package_id; 4225c98d5d94SLen Brown 4226c98d5d94SLen Brown my_package_id = get_physical_package_id(cpu_id); 4227c98d5d94SLen Brown my_core_id = get_core_id(cpu_id); 4228e275b388SDasaratharaman Chandramouli my_thread_id = get_cpu_position_in_core(cpu_id); 4229e275b388SDasaratharaman Chandramouli if (!my_thread_id) 4230c98d5d94SLen Brown topo.num_cores++; 4231c98d5d94SLen Brown 4232c98d5d94SLen Brown init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 4233c98d5d94SLen Brown init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 4234c98d5d94SLen Brown return 0; 4235c98d5d94SLen Brown } 4236c98d5d94SLen Brown 4237c98d5d94SLen Brown void allocate_output_buffer() 4238c98d5d94SLen Brown { 42393b4d5c7fSAndy Shevchenko output_buffer = calloc(1, (1 + topo.num_cpus) * 1024); 4240c98d5d94SLen Brown outp = output_buffer; 4241b2c95d90SJosh Triplett if (outp == NULL) 4242b2c95d90SJosh Triplett err(-1, "calloc output buffer"); 4243c98d5d94SLen Brown } 424436229897SLen Brown void allocate_fd_percpu(void) 424536229897SLen Brown { 424601a67adfSMika Westerberg fd_percpu = calloc(topo.max_cpu_num + 1, sizeof(int)); 424736229897SLen Brown if (fd_percpu == NULL) 424836229897SLen Brown err(-1, "calloc fd_percpu"); 424936229897SLen Brown } 4250562a2d37SLen Brown void allocate_irq_buffers(void) 4251562a2d37SLen Brown { 4252562a2d37SLen Brown irq_column_2_cpu = calloc(topo.num_cpus, sizeof(int)); 4253562a2d37SLen Brown if (irq_column_2_cpu == NULL) 4254562a2d37SLen Brown err(-1, "calloc %d", topo.num_cpus); 4255c98d5d94SLen Brown 425601a67adfSMika Westerberg irqs_per_cpu = calloc(topo.max_cpu_num + 1, sizeof(int)); 4257562a2d37SLen Brown if (irqs_per_cpu == NULL) 425801a67adfSMika Westerberg err(-1, "calloc %d", topo.max_cpu_num + 1); 4259562a2d37SLen Brown } 4260c98d5d94SLen Brown void setup_all_buffers(void) 4261c98d5d94SLen Brown { 4262c98d5d94SLen Brown topology_probe(); 4263562a2d37SLen Brown allocate_irq_buffers(); 426436229897SLen Brown allocate_fd_percpu(); 4265c98d5d94SLen Brown allocate_counters(&thread_even, &core_even, &package_even); 4266c98d5d94SLen Brown allocate_counters(&thread_odd, &core_odd, &package_odd); 4267c98d5d94SLen Brown allocate_output_buffer(); 4268c98d5d94SLen Brown for_all_proc_cpus(initialize_counters); 4269c98d5d94SLen Brown } 42703b4d5c7fSAndy Shevchenko 42717ce7d5deSPrarit Bhargava void set_base_cpu(void) 42727ce7d5deSPrarit Bhargava { 42737ce7d5deSPrarit Bhargava base_cpu = sched_getcpu(); 42747ce7d5deSPrarit Bhargava if (base_cpu < 0) 42757ce7d5deSPrarit Bhargava err(-ENODEV, "No valid cpus found"); 42767ce7d5deSPrarit Bhargava 42777ce7d5deSPrarit Bhargava if (debug > 1) 4278b7d8c148SLen Brown fprintf(outf, "base_cpu = %d\n", base_cpu); 42797ce7d5deSPrarit Bhargava } 42807ce7d5deSPrarit Bhargava 4281103a8feaSLen Brown void turbostat_init() 4282103a8feaSLen Brown { 42837ce7d5deSPrarit Bhargava setup_all_buffers(); 42847ce7d5deSPrarit Bhargava set_base_cpu(); 4285103a8feaSLen Brown check_dev_msr(); 428698481e79SLen Brown check_permissions(); 4287fcd17211SLen Brown process_cpuid(); 4288103a8feaSLen Brown 4289103a8feaSLen Brown 429096e47158SLen Brown if (!quiet) 42917f5c258eSLen Brown for_all_cpus(print_hwp, ODD_COUNTERS); 42927f5c258eSLen Brown 429396e47158SLen Brown if (!quiet) 4294889facbeSLen Brown for_all_cpus(print_epb, ODD_COUNTERS); 4295889facbeSLen Brown 429696e47158SLen Brown if (!quiet) 42973a9a941dSLen Brown for_all_cpus(print_perf_limit, ODD_COUNTERS); 42983a9a941dSLen Brown 429996e47158SLen Brown if (!quiet) 4300889facbeSLen Brown for_all_cpus(print_rapl, ODD_COUNTERS); 4301889facbeSLen Brown 4302889facbeSLen Brown for_all_cpus(set_temperature_target, ODD_COUNTERS); 4303889facbeSLen Brown 430496e47158SLen Brown if (!quiet) 4305889facbeSLen Brown for_all_cpus(print_thermal, ODD_COUNTERS); 43065a63426eSLen Brown 430796e47158SLen Brown if (!quiet && do_irtl_snb) 43085a63426eSLen Brown print_irtl(); 4309103a8feaSLen Brown } 4310103a8feaSLen Brown 4311103a8feaSLen Brown int fork_it(char **argv) 4312103a8feaSLen Brown { 4313103a8feaSLen Brown pid_t child_pid; 4314d91bb17cSLen Brown int status; 4315d15cf7c1SLen Brown 4316d91bb17cSLen Brown status = for_all_cpus(get_counters, EVEN_COUNTERS); 4317d91bb17cSLen Brown if (status) 4318d91bb17cSLen Brown exit(status); 4319d15cf7c1SLen Brown /* clear affinity side-effect of get_counters() */ 4320d15cf7c1SLen Brown sched_setaffinity(0, cpu_present_setsize, cpu_present_set); 4321103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 4322103a8feaSLen Brown 4323103a8feaSLen Brown child_pid = fork(); 4324103a8feaSLen Brown if (!child_pid) { 4325103a8feaSLen Brown /* child */ 4326103a8feaSLen Brown execvp(argv[0], argv); 4327103a8feaSLen Brown } else { 4328103a8feaSLen Brown 4329103a8feaSLen Brown /* parent */ 4330b2c95d90SJosh Triplett if (child_pid == -1) 4331b2c95d90SJosh Triplett err(1, "fork"); 4332103a8feaSLen Brown 4333103a8feaSLen Brown signal(SIGINT, SIG_IGN); 4334103a8feaSLen Brown signal(SIGQUIT, SIG_IGN); 4335b2c95d90SJosh Triplett if (waitpid(child_pid, &status, 0) == -1) 4336b2c95d90SJosh Triplett err(status, "waitpid"); 4337103a8feaSLen Brown } 4338c98d5d94SLen Brown /* 4339c98d5d94SLen Brown * n.b. fork_it() does not check for errors from for_all_cpus() 4340c98d5d94SLen Brown * because re-starting is problematic when forking 4341c98d5d94SLen Brown */ 4342c98d5d94SLen Brown for_all_cpus(get_counters, ODD_COUNTERS); 4343103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 4344103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 4345ba3dec99SLen Brown if (for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS)) 4346ba3dec99SLen Brown fprintf(outf, "%s: Counter reset detected\n", progname); 4347ba3dec99SLen Brown else { 4348c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 4349c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 4350ba3dec99SLen Brown } 4351103a8feaSLen Brown 4352b7d8c148SLen Brown fprintf(outf, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); 4353b7d8c148SLen Brown 4354b7d8c148SLen Brown flush_output_stderr(); 4355103a8feaSLen Brown 4356d91bb17cSLen Brown return status; 4357103a8feaSLen Brown } 4358103a8feaSLen Brown 43593b4d5c7fSAndy Shevchenko int get_and_dump_counters(void) 43603b4d5c7fSAndy Shevchenko { 43613b4d5c7fSAndy Shevchenko int status; 43623b4d5c7fSAndy Shevchenko 43633b4d5c7fSAndy Shevchenko status = for_all_cpus(get_counters, ODD_COUNTERS); 43643b4d5c7fSAndy Shevchenko if (status) 43653b4d5c7fSAndy Shevchenko return status; 43663b4d5c7fSAndy Shevchenko 43673b4d5c7fSAndy Shevchenko status = for_all_cpus(dump_counters, ODD_COUNTERS); 43683b4d5c7fSAndy Shevchenko if (status) 43693b4d5c7fSAndy Shevchenko return status; 43703b4d5c7fSAndy Shevchenko 4371b7d8c148SLen Brown flush_output_stdout(); 43723b4d5c7fSAndy Shevchenko 43733b4d5c7fSAndy Shevchenko return status; 43743b4d5c7fSAndy Shevchenko } 43753b4d5c7fSAndy Shevchenko 4376d8af6f5fSLen Brown void print_version() { 43770539ba11SLen Brown fprintf(outf, "turbostat version 4.17 10 Jan 2017" 4378d8af6f5fSLen Brown " - Len Brown <lenb@kernel.org>\n"); 4379d8af6f5fSLen Brown } 4380d8af6f5fSLen Brown 4381*495c7654SLen Brown int add_counter(unsigned int msr_num, char *path, char *name, 4382*495c7654SLen Brown unsigned int width, enum counter_scope scope, 4383*495c7654SLen Brown enum counter_type type, enum counter_format format) 4384388e9c81SLen Brown { 4385388e9c81SLen Brown struct msr_counter *msrp; 4386388e9c81SLen Brown 4387388e9c81SLen Brown msrp = calloc(1, sizeof(struct msr_counter)); 4388388e9c81SLen Brown if (msrp == NULL) { 4389388e9c81SLen Brown perror("calloc"); 4390388e9c81SLen Brown exit(1); 4391388e9c81SLen Brown } 4392388e9c81SLen Brown 4393388e9c81SLen Brown msrp->msr_num = msr_num; 4394388e9c81SLen Brown strncpy(msrp->name, name, NAME_BYTES); 4395*495c7654SLen Brown if (path) 4396*495c7654SLen Brown strncpy(msrp->path, path, PATH_BYTES); 4397388e9c81SLen Brown msrp->width = width; 4398388e9c81SLen Brown msrp->type = type; 4399388e9c81SLen Brown msrp->format = format; 4400388e9c81SLen Brown 4401388e9c81SLen Brown switch (scope) { 4402388e9c81SLen Brown 4403388e9c81SLen Brown case SCOPE_CPU: 4404388e9c81SLen Brown msrp->next = sys.tp; 4405388e9c81SLen Brown sys.tp = msrp; 4406678a3bd1SLen Brown sys.added_thread_counters++; 4407678a3bd1SLen Brown if (sys.added_thread_counters > MAX_ADDED_COUNTERS) { 4408678a3bd1SLen Brown fprintf(stderr, "exceeded max %d added thread counters\n", 4409678a3bd1SLen Brown MAX_ADDED_COUNTERS); 4410678a3bd1SLen Brown exit(-1); 4411678a3bd1SLen Brown } 4412388e9c81SLen Brown break; 4413388e9c81SLen Brown 4414388e9c81SLen Brown case SCOPE_CORE: 4415388e9c81SLen Brown msrp->next = sys.cp; 4416388e9c81SLen Brown sys.cp = msrp; 4417678a3bd1SLen Brown sys.added_core_counters++; 4418678a3bd1SLen Brown if (sys.added_core_counters > MAX_ADDED_COUNTERS) { 4419678a3bd1SLen Brown fprintf(stderr, "exceeded max %d added core counters\n", 4420678a3bd1SLen Brown MAX_ADDED_COUNTERS); 4421678a3bd1SLen Brown exit(-1); 4422678a3bd1SLen Brown } 4423388e9c81SLen Brown break; 4424388e9c81SLen Brown 4425388e9c81SLen Brown case SCOPE_PACKAGE: 4426388e9c81SLen Brown msrp->next = sys.pp; 4427388e9c81SLen Brown sys.pp = msrp; 4428678a3bd1SLen Brown sys.added_package_counters++; 4429678a3bd1SLen Brown if (sys.added_package_counters > MAX_ADDED_COUNTERS) { 4430678a3bd1SLen Brown fprintf(stderr, "exceeded max %d added package counters\n", 4431678a3bd1SLen Brown MAX_ADDED_COUNTERS); 4432678a3bd1SLen Brown exit(-1); 4433678a3bd1SLen Brown } 4434388e9c81SLen Brown break; 4435388e9c81SLen Brown } 4436388e9c81SLen Brown 4437388e9c81SLen Brown return 0; 4438388e9c81SLen Brown } 4439388e9c81SLen Brown 4440388e9c81SLen Brown void parse_add_command(char *add_command) 4441388e9c81SLen Brown { 4442388e9c81SLen Brown int msr_num = 0; 4443*495c7654SLen Brown char *path = NULL; 44440f47c08dSLen Brown char name_buffer[NAME_BYTES] = ""; 4445388e9c81SLen Brown int width = 64; 4446388e9c81SLen Brown int fail = 0; 4447388e9c81SLen Brown enum counter_scope scope = SCOPE_CPU; 4448388e9c81SLen Brown enum counter_type type = COUNTER_CYCLES; 4449388e9c81SLen Brown enum counter_format format = FORMAT_DELTA; 4450388e9c81SLen Brown 4451388e9c81SLen Brown while (add_command) { 4452388e9c81SLen Brown 4453388e9c81SLen Brown if (sscanf(add_command, "msr0x%x", &msr_num) == 1) 4454388e9c81SLen Brown goto next; 4455388e9c81SLen Brown 4456388e9c81SLen Brown if (sscanf(add_command, "msr%d", &msr_num) == 1) 4457388e9c81SLen Brown goto next; 4458388e9c81SLen Brown 4459*495c7654SLen Brown if (*add_command == '/') { 4460*495c7654SLen Brown path = add_command; 4461*495c7654SLen Brown goto next; 4462*495c7654SLen Brown } 4463*495c7654SLen Brown 4464388e9c81SLen Brown if (sscanf(add_command, "u%d", &width) == 1) { 4465388e9c81SLen Brown if ((width == 32) || (width == 64)) 4466388e9c81SLen Brown goto next; 4467388e9c81SLen Brown width = 64; 4468388e9c81SLen Brown } 4469388e9c81SLen Brown if (!strncmp(add_command, "cpu", strlen("cpu"))) { 4470388e9c81SLen Brown scope = SCOPE_CPU; 4471388e9c81SLen Brown goto next; 4472388e9c81SLen Brown } 4473388e9c81SLen Brown if (!strncmp(add_command, "core", strlen("core"))) { 4474388e9c81SLen Brown scope = SCOPE_CORE; 4475388e9c81SLen Brown goto next; 4476388e9c81SLen Brown } 4477388e9c81SLen Brown if (!strncmp(add_command, "package", strlen("package"))) { 4478388e9c81SLen Brown scope = SCOPE_PACKAGE; 4479388e9c81SLen Brown goto next; 4480388e9c81SLen Brown } 4481388e9c81SLen Brown if (!strncmp(add_command, "cycles", strlen("cycles"))) { 4482388e9c81SLen Brown type = COUNTER_CYCLES; 4483388e9c81SLen Brown goto next; 4484388e9c81SLen Brown } 4485388e9c81SLen Brown if (!strncmp(add_command, "seconds", strlen("seconds"))) { 4486388e9c81SLen Brown type = COUNTER_SECONDS; 4487388e9c81SLen Brown goto next; 4488388e9c81SLen Brown } 4489388e9c81SLen Brown if (!strncmp(add_command, "raw", strlen("raw"))) { 4490388e9c81SLen Brown format = FORMAT_RAW; 4491388e9c81SLen Brown goto next; 4492388e9c81SLen Brown } 4493388e9c81SLen Brown if (!strncmp(add_command, "delta", strlen("delta"))) { 4494388e9c81SLen Brown format = FORMAT_DELTA; 4495388e9c81SLen Brown goto next; 4496388e9c81SLen Brown } 4497388e9c81SLen Brown if (!strncmp(add_command, "percent", strlen("percent"))) { 4498388e9c81SLen Brown format = FORMAT_PERCENT; 4499388e9c81SLen Brown goto next; 4500388e9c81SLen Brown } 4501388e9c81SLen Brown 4502388e9c81SLen Brown if (sscanf(add_command, "%18s,%*s", name_buffer) == 1) { /* 18 < NAME_BYTES */ 4503388e9c81SLen Brown char *eos; 4504388e9c81SLen Brown 4505388e9c81SLen Brown eos = strchr(name_buffer, ','); 4506388e9c81SLen Brown if (eos) 4507388e9c81SLen Brown *eos = '\0'; 4508388e9c81SLen Brown goto next; 4509388e9c81SLen Brown } 4510388e9c81SLen Brown 4511388e9c81SLen Brown next: 4512388e9c81SLen Brown add_command = strchr(add_command, ','); 4513*495c7654SLen Brown if (add_command) { 4514*495c7654SLen Brown *add_command = '\0'; 4515388e9c81SLen Brown add_command++; 4516*495c7654SLen Brown } 4517388e9c81SLen Brown 4518388e9c81SLen Brown } 4519*495c7654SLen Brown if ((msr_num == 0) && (path == NULL)) { 4520*495c7654SLen Brown fprintf(stderr, "--add: (msrDDD | msr0xXXX | /path_to_counter ) required\n"); 4521388e9c81SLen Brown fail++; 4522388e9c81SLen Brown } 4523388e9c81SLen Brown 4524388e9c81SLen Brown /* generate default column header */ 4525388e9c81SLen Brown if (*name_buffer == '\0') { 4526388e9c81SLen Brown if (format == FORMAT_RAW) { 4527388e9c81SLen Brown if (width == 32) 4528388e9c81SLen Brown sprintf(name_buffer, "msr%d", msr_num); 4529388e9c81SLen Brown else 4530388e9c81SLen Brown sprintf(name_buffer, "MSR%d", msr_num); 4531388e9c81SLen Brown } else if (format == FORMAT_DELTA) { 4532388e9c81SLen Brown if (width == 32) 4533388e9c81SLen Brown sprintf(name_buffer, "cnt%d", msr_num); 4534388e9c81SLen Brown else 4535388e9c81SLen Brown sprintf(name_buffer, "CNT%d", msr_num); 4536388e9c81SLen Brown } else if (format == FORMAT_PERCENT) { 4537388e9c81SLen Brown if (width == 32) 4538388e9c81SLen Brown sprintf(name_buffer, "msr%d%%", msr_num); 4539388e9c81SLen Brown else 4540388e9c81SLen Brown sprintf(name_buffer, "MSR%d%%", msr_num); 4541388e9c81SLen Brown } 4542388e9c81SLen Brown } 4543388e9c81SLen Brown 4544*495c7654SLen Brown if (add_counter(msr_num, path, name_buffer, width, scope, type, format)) 4545388e9c81SLen Brown fail++; 4546388e9c81SLen Brown 4547388e9c81SLen Brown if (fail) { 4548388e9c81SLen Brown help(); 4549388e9c81SLen Brown exit(1); 4550388e9c81SLen Brown } 4551388e9c81SLen Brown } 4552812db3f7SLen Brown /* 4553812db3f7SLen Brown * HIDE_LIST - hide this list of counters, show the rest [default] 4554812db3f7SLen Brown * SHOW_LIST - show this list of counters, hide the rest 4555812db3f7SLen Brown */ 4556812db3f7SLen Brown enum show_hide_mode { SHOW_LIST, HIDE_LIST } global_show_hide_mode = HIDE_LIST; 4557812db3f7SLen Brown 4558812db3f7SLen Brown int shown; 4559812db3f7SLen Brown /* 4560812db3f7SLen Brown * parse_show_hide() - process cmdline to set default counter action 4561812db3f7SLen Brown */ 4562812db3f7SLen Brown void parse_show_hide(char *optarg, enum show_hide_mode new_mode) 4563812db3f7SLen Brown { 4564812db3f7SLen Brown /* 4565812db3f7SLen Brown * --show: show only those specified 4566812db3f7SLen Brown * The 1st invocation will clear and replace the enabled mask 4567812db3f7SLen Brown * subsequent invocations can add to it. 4568812db3f7SLen Brown */ 4569812db3f7SLen Brown if (new_mode == SHOW_LIST) { 4570812db3f7SLen Brown if (shown == 0) 4571812db3f7SLen Brown bic_enabled = bic_lookup(optarg); 4572812db3f7SLen Brown else 4573812db3f7SLen Brown bic_enabled |= bic_lookup(optarg); 4574812db3f7SLen Brown shown = 1; 4575812db3f7SLen Brown 4576812db3f7SLen Brown return; 4577812db3f7SLen Brown } 4578812db3f7SLen Brown 4579812db3f7SLen Brown /* 4580812db3f7SLen Brown * --hide: do not show those specified 4581812db3f7SLen Brown * multiple invocations simply clear more bits in enabled mask 4582812db3f7SLen Brown */ 4583812db3f7SLen Brown bic_enabled &= ~bic_lookup(optarg); 4584812db3f7SLen Brown } 4585812db3f7SLen Brown 4586103a8feaSLen Brown void cmdline(int argc, char **argv) 4587103a8feaSLen Brown { 4588103a8feaSLen Brown int opt; 4589d8af6f5fSLen Brown int option_index = 0; 4590d8af6f5fSLen Brown static struct option long_options[] = { 4591388e9c81SLen Brown {"add", required_argument, 0, 'a'}, 4592d8af6f5fSLen Brown {"Dump", no_argument, 0, 'D'}, 459396e47158SLen Brown {"debug", no_argument, 0, 'd'}, /* internal, not documented */ 4594d8af6f5fSLen Brown {"interval", required_argument, 0, 'i'}, 4595d8af6f5fSLen Brown {"help", no_argument, 0, 'h'}, 4596812db3f7SLen Brown {"hide", required_argument, 0, 'H'}, // meh, -h taken by --help 4597d8af6f5fSLen Brown {"Joules", no_argument, 0, 'J'}, 4598b7d8c148SLen Brown {"out", required_argument, 0, 'o'}, 4599d8af6f5fSLen Brown {"Package", no_argument, 0, 'p'}, 4600d8af6f5fSLen Brown {"processor", no_argument, 0, 'p'}, 460196e47158SLen Brown {"quiet", no_argument, 0, 'q'}, 4602812db3f7SLen Brown {"show", required_argument, 0, 's'}, 4603d8af6f5fSLen Brown {"Summary", no_argument, 0, 'S'}, 4604d8af6f5fSLen Brown {"TCC", required_argument, 0, 'T'}, 4605d8af6f5fSLen Brown {"version", no_argument, 0, 'v' }, 4606d8af6f5fSLen Brown {0, 0, 0, 0 } 4607d8af6f5fSLen Brown }; 4608103a8feaSLen Brown 4609103a8feaSLen Brown progname = argv[0]; 4610103a8feaSLen Brown 461196e47158SLen Brown while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:JM:m:o:PpqST:v", 4612d8af6f5fSLen Brown long_options, &option_index)) != -1) { 4613103a8feaSLen Brown switch (opt) { 4614388e9c81SLen Brown case 'a': 4615388e9c81SLen Brown parse_add_command(optarg); 4616388e9c81SLen Brown break; 4617d8af6f5fSLen Brown case 'D': 4618d8af6f5fSLen Brown dump_only++; 46198e180f3cSLen Brown break; 4620d8af6f5fSLen Brown case 'd': 4621d8af6f5fSLen Brown debug++; 46222f32edf1SLen Brown break; 4623812db3f7SLen Brown case 'H': 4624812db3f7SLen Brown parse_show_hide(optarg, HIDE_LIST); 4625812db3f7SLen Brown break; 4626d8af6f5fSLen Brown case 'h': 4627d8af6f5fSLen Brown default: 4628d8af6f5fSLen Brown help(); 4629d8af6f5fSLen Brown exit(1); 4630d8af6f5fSLen Brown case 'i': 46312a0609c0SLen Brown { 46322a0609c0SLen Brown double interval = strtod(optarg, NULL); 46332a0609c0SLen Brown 46342a0609c0SLen Brown if (interval < 0.001) { 4635b7d8c148SLen Brown fprintf(outf, "interval %f seconds is too small\n", 46362a0609c0SLen Brown interval); 46372a0609c0SLen Brown exit(2); 46382a0609c0SLen Brown } 46392a0609c0SLen Brown 46402a0609c0SLen Brown interval_ts.tv_sec = interval; 46412a0609c0SLen Brown interval_ts.tv_nsec = (interval - interval_ts.tv_sec) * 1000000000; 46422a0609c0SLen Brown } 4643889facbeSLen Brown break; 46445c56be9aSDirk Brandewie case 'J': 46455c56be9aSDirk Brandewie rapl_joules++; 46465c56be9aSDirk Brandewie break; 4647b7d8c148SLen Brown case 'o': 4648b7d8c148SLen Brown outf = fopen_or_die(optarg, "w"); 4649b7d8c148SLen Brown break; 4650d8af6f5fSLen Brown case 'P': 4651d8af6f5fSLen Brown show_pkg_only++; 4652d8af6f5fSLen Brown break; 4653d8af6f5fSLen Brown case 'p': 4654d8af6f5fSLen Brown show_core_only++; 4655d8af6f5fSLen Brown break; 465696e47158SLen Brown case 'q': 465796e47158SLen Brown quiet = 1; 465896e47158SLen Brown break; 4659812db3f7SLen Brown case 's': 4660812db3f7SLen Brown parse_show_hide(optarg, SHOW_LIST); 4661812db3f7SLen Brown break; 4662d8af6f5fSLen Brown case 'S': 4663d8af6f5fSLen Brown summary_only++; 4664d8af6f5fSLen Brown break; 4665d8af6f5fSLen Brown case 'T': 4666d8af6f5fSLen Brown tcc_activation_temp_override = atoi(optarg); 4667d8af6f5fSLen Brown break; 4668d8af6f5fSLen Brown case 'v': 4669d8af6f5fSLen Brown print_version(); 4670d8af6f5fSLen Brown exit(0); 4671d8af6f5fSLen Brown break; 4672103a8feaSLen Brown } 4673103a8feaSLen Brown } 4674103a8feaSLen Brown } 4675103a8feaSLen Brown 4676103a8feaSLen Brown int main(int argc, char **argv) 4677103a8feaSLen Brown { 4678b7d8c148SLen Brown outf = stderr; 4679b7d8c148SLen Brown 4680103a8feaSLen Brown cmdline(argc, argv); 4681103a8feaSLen Brown 468296e47158SLen Brown if (!quiet) 4683d8af6f5fSLen Brown print_version(); 4684103a8feaSLen Brown 4685103a8feaSLen Brown turbostat_init(); 4686103a8feaSLen Brown 46873b4d5c7fSAndy Shevchenko /* dump counters and exit */ 46883b4d5c7fSAndy Shevchenko if (dump_only) 46893b4d5c7fSAndy Shevchenko return get_and_dump_counters(); 46903b4d5c7fSAndy Shevchenko 4691103a8feaSLen Brown /* 4692103a8feaSLen Brown * if any params left, it must be a command to fork 4693103a8feaSLen Brown */ 4694103a8feaSLen Brown if (argc - optind) 4695103a8feaSLen Brown return fork_it(argv + optind); 4696103a8feaSLen Brown else 4697103a8feaSLen Brown turbostat_loop(); 4698103a8feaSLen Brown 4699103a8feaSLen Brown return 0; 4700103a8feaSLen Brown } 4701