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 2495aebc44SJosh Triplett #include <stdarg.h> 25103a8feaSLen Brown #include <stdio.h> 26b2c95d90SJosh Triplett #include <err.h> 27103a8feaSLen Brown #include <unistd.h> 28103a8feaSLen Brown #include <sys/types.h> 29103a8feaSLen Brown #include <sys/wait.h> 30103a8feaSLen Brown #include <sys/stat.h> 31103a8feaSLen Brown #include <sys/resource.h> 32103a8feaSLen Brown #include <fcntl.h> 33103a8feaSLen Brown #include <signal.h> 34103a8feaSLen Brown #include <sys/time.h> 35103a8feaSLen Brown #include <stdlib.h> 36d8af6f5fSLen Brown #include <getopt.h> 37103a8feaSLen Brown #include <dirent.h> 38103a8feaSLen Brown #include <string.h> 39103a8feaSLen Brown #include <ctype.h> 4088c3281fSLen Brown #include <sched.h> 412a0609c0SLen Brown #include <time.h> 422b92865eSJosh Triplett #include <cpuid.h> 4398481e79SLen Brown #include <linux/capability.h> 4498481e79SLen Brown #include <errno.h> 45103a8feaSLen Brown 46103a8feaSLen Brown char *proc_stat = "/proc/stat"; 47b7d8c148SLen Brown FILE *outf; 4836229897SLen Brown int *fd_percpu; 492a0609c0SLen Brown struct timespec interval_ts = {5, 0}; 50d8af6f5fSLen Brown unsigned int debug; 51d8af6f5fSLen Brown unsigned int rapl_joules; 52d8af6f5fSLen Brown unsigned int summary_only; 53d8af6f5fSLen Brown unsigned int dump_only; 54103a8feaSLen Brown unsigned int do_nhm_cstates; 55103a8feaSLen Brown unsigned int do_snb_cstates; 56fb5d4327SDasaratharaman Chandramouli unsigned int do_knl_cstates; 57ee7e38e3SLen Brown unsigned int do_pc2; 58ee7e38e3SLen Brown unsigned int do_pc3; 59ee7e38e3SLen Brown unsigned int do_pc6; 60ee7e38e3SLen Brown unsigned int do_pc7; 61ca58710fSKristen Carlson Accardi unsigned int do_c8_c9_c10; 620b2bb692SLen Brown unsigned int do_skl_residency; 63144b44b1SLen Brown unsigned int do_slm_cstates; 64144b44b1SLen Brown unsigned int use_c1_residency_msr; 65103a8feaSLen Brown unsigned int has_aperf; 66889facbeSLen Brown unsigned int has_epb; 675a63426eSLen Brown unsigned int do_irtl_snb; 685a63426eSLen Brown unsigned int do_irtl_hsw; 69fc04cc67SLen Brown unsigned int units = 1000000; /* MHz etc */ 70103a8feaSLen Brown unsigned int genuine_intel; 71103a8feaSLen Brown unsigned int has_invariant_tsc; 72d7899447SLen Brown unsigned int do_nhm_platform_info; 732f32edf1SLen Brown unsigned int extra_msr_offset32; 742f32edf1SLen Brown unsigned int extra_msr_offset64; 758e180f3cSLen Brown unsigned int extra_delta_offset32; 768e180f3cSLen Brown unsigned int extra_delta_offset64; 77b2b34dfeSHubert Chrzaniuk unsigned int aperf_mperf_multiplier = 1; 78562a2d37SLen Brown int do_irq = 1; 791ed51011SLen Brown int do_smi; 80103a8feaSLen Brown double bclk; 81a2b7b749SLen Brown double base_hz; 8221ed5574SLen Brown unsigned int has_base_hz; 83a2b7b749SLen Brown double tsc_tweak = 1.0; 84103a8feaSLen Brown unsigned int show_pkg; 85103a8feaSLen Brown unsigned int show_core; 86103a8feaSLen Brown unsigned int show_cpu; 87c98d5d94SLen Brown unsigned int show_pkg_only; 88c98d5d94SLen Brown unsigned int show_core_only; 89c98d5d94SLen Brown char *output_buffer, *outp; 90889facbeSLen Brown unsigned int do_rapl; 91889facbeSLen Brown unsigned int do_dts; 92889facbeSLen Brown unsigned int do_ptm; 93fdf676e5SLen Brown unsigned int do_gfx_rc6_ms; 94fdf676e5SLen Brown unsigned long long gfx_cur_rc6_ms; 9527d47356SLen Brown unsigned int do_gfx_mhz; 9627d47356SLen Brown unsigned int gfx_cur_mhz; 97889facbeSLen Brown unsigned int tcc_activation_temp; 98889facbeSLen Brown unsigned int tcc_activation_temp_override; 9940ee8e3bSAndrey Semin double rapl_power_units, rapl_time_units; 10040ee8e3bSAndrey Semin double rapl_dram_energy_units, rapl_energy_units; 101889facbeSLen Brown double rapl_joule_counter_range; 1023a9a941dSLen Brown unsigned int do_core_perf_limit_reasons; 1033a9a941dSLen Brown unsigned int do_gfx_perf_limit_reasons; 1043a9a941dSLen Brown unsigned int do_ring_perf_limit_reasons; 1058a5bdf41SLen Brown unsigned int crystal_hz; 1068a5bdf41SLen Brown unsigned long long tsc_hz; 1077ce7d5deSPrarit Bhargava int base_cpu; 10821ed5574SLen Brown double discover_bclk(unsigned int family, unsigned int model); 1097f5c258eSLen Brown unsigned int has_hwp; /* IA32_PM_ENABLE, IA32_HWP_CAPABILITIES */ 1107f5c258eSLen Brown /* IA32_HWP_REQUEST, IA32_HWP_STATUS */ 1117f5c258eSLen Brown unsigned int has_hwp_notify; /* IA32_HWP_INTERRUPT */ 1127f5c258eSLen Brown unsigned int has_hwp_activity_window; /* IA32_HWP_REQUEST[bits 41:32] */ 1137f5c258eSLen Brown unsigned int has_hwp_epp; /* IA32_HWP_REQUEST[bits 31:24] */ 1147f5c258eSLen Brown unsigned int has_hwp_pkg; /* IA32_HWP_REQUEST_PKG */ 115889facbeSLen Brown 116889facbeSLen Brown #define RAPL_PKG (1 << 0) 117e6f9bb3cSLen Brown /* 0x610 MSR_PKG_POWER_LIMIT */ 118e6f9bb3cSLen Brown /* 0x611 MSR_PKG_ENERGY_STATUS */ 119e6f9bb3cSLen Brown #define RAPL_PKG_PERF_STATUS (1 << 1) 120e6f9bb3cSLen Brown /* 0x613 MSR_PKG_PERF_STATUS */ 121e6f9bb3cSLen Brown #define RAPL_PKG_POWER_INFO (1 << 2) 122e6f9bb3cSLen Brown /* 0x614 MSR_PKG_POWER_INFO */ 123e6f9bb3cSLen Brown 124889facbeSLen Brown #define RAPL_DRAM (1 << 3) 125e6f9bb3cSLen Brown /* 0x618 MSR_DRAM_POWER_LIMIT */ 126e6f9bb3cSLen Brown /* 0x619 MSR_DRAM_ENERGY_STATUS */ 127e6f9bb3cSLen Brown #define RAPL_DRAM_PERF_STATUS (1 << 4) 128e6f9bb3cSLen Brown /* 0x61b MSR_DRAM_PERF_STATUS */ 1290b2bb692SLen Brown #define RAPL_DRAM_POWER_INFO (1 << 5) 1300b2bb692SLen Brown /* 0x61c MSR_DRAM_POWER_INFO */ 131e6f9bb3cSLen Brown 1329148494cSJacob Pan #define RAPL_CORES_POWER_LIMIT (1 << 6) 133e6f9bb3cSLen Brown /* 0x638 MSR_PP0_POWER_LIMIT */ 1340b2bb692SLen Brown #define RAPL_CORE_POLICY (1 << 7) 135e6f9bb3cSLen Brown /* 0x63a MSR_PP0_POLICY */ 136e6f9bb3cSLen Brown 1370b2bb692SLen Brown #define RAPL_GFX (1 << 8) 138e6f9bb3cSLen Brown /* 0x640 MSR_PP1_POWER_LIMIT */ 139e6f9bb3cSLen Brown /* 0x641 MSR_PP1_ENERGY_STATUS */ 140e6f9bb3cSLen Brown /* 0x642 MSR_PP1_POLICY */ 1419148494cSJacob Pan 1429148494cSJacob Pan #define RAPL_CORES_ENERGY_STATUS (1 << 9) 1439148494cSJacob Pan /* 0x639 MSR_PP0_ENERGY_STATUS */ 1449148494cSJacob Pan #define RAPL_CORES (RAPL_CORES_ENERGY_STATUS | RAPL_CORES_POWER_LIMIT) 145889facbeSLen Brown #define TJMAX_DEFAULT 100 146889facbeSLen Brown 147889facbeSLen Brown #define MAX(a, b) ((a) > (b) ? (a) : (b)) 148103a8feaSLen Brown 149103a8feaSLen Brown int backwards_count; 150103a8feaSLen Brown char *progname; 151103a8feaSLen Brown 152c98d5d94SLen Brown cpu_set_t *cpu_present_set, *cpu_affinity_set; 153c98d5d94SLen Brown size_t cpu_present_setsize, cpu_affinity_setsize; 154c98d5d94SLen Brown 155c98d5d94SLen Brown struct thread_data { 156c98d5d94SLen Brown unsigned long long tsc; 157c98d5d94SLen Brown unsigned long long aperf; 158c98d5d94SLen Brown unsigned long long mperf; 159144b44b1SLen Brown unsigned long long c1; 1602f32edf1SLen Brown unsigned long long extra_msr64; 1618e180f3cSLen Brown unsigned long long extra_delta64; 1628e180f3cSLen Brown unsigned long long extra_msr32; 1638e180f3cSLen Brown unsigned long long extra_delta32; 164562a2d37SLen Brown unsigned int irq_count; 1651ed51011SLen Brown unsigned int smi_count; 166c98d5d94SLen Brown unsigned int cpu_id; 167c98d5d94SLen Brown unsigned int flags; 168c98d5d94SLen Brown #define CPU_IS_FIRST_THREAD_IN_CORE 0x2 169c98d5d94SLen Brown #define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4 170c98d5d94SLen Brown } *thread_even, *thread_odd; 171c98d5d94SLen Brown 172c98d5d94SLen Brown struct core_data { 173c98d5d94SLen Brown unsigned long long c3; 174c98d5d94SLen Brown unsigned long long c6; 175c98d5d94SLen Brown unsigned long long c7; 176889facbeSLen Brown unsigned int core_temp_c; 177c98d5d94SLen Brown unsigned int core_id; 178c98d5d94SLen Brown } *core_even, *core_odd; 179c98d5d94SLen Brown 180c98d5d94SLen Brown struct pkg_data { 181c98d5d94SLen Brown unsigned long long pc2; 182c98d5d94SLen Brown unsigned long long pc3; 183c98d5d94SLen Brown unsigned long long pc6; 184c98d5d94SLen Brown unsigned long long pc7; 185ca58710fSKristen Carlson Accardi unsigned long long pc8; 186ca58710fSKristen Carlson Accardi unsigned long long pc9; 187ca58710fSKristen Carlson Accardi unsigned long long pc10; 1880b2bb692SLen Brown unsigned long long pkg_wtd_core_c0; 1890b2bb692SLen Brown unsigned long long pkg_any_core_c0; 1900b2bb692SLen Brown unsigned long long pkg_any_gfxe_c0; 1910b2bb692SLen Brown unsigned long long pkg_both_core_gfxe_c0; 1929185e988SLen Brown long long gfx_rc6_ms; 19327d47356SLen Brown unsigned int gfx_mhz; 194c98d5d94SLen Brown unsigned int package_id; 195889facbeSLen Brown unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */ 196889facbeSLen Brown unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */ 197889facbeSLen Brown unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */ 198889facbeSLen Brown unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */ 199889facbeSLen Brown unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */ 200889facbeSLen Brown unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */ 201889facbeSLen Brown unsigned int pkg_temp_c; 202889facbeSLen Brown 203c98d5d94SLen Brown } *package_even, *package_odd; 204c98d5d94SLen Brown 205c98d5d94SLen Brown #define ODD_COUNTERS thread_odd, core_odd, package_odd 206c98d5d94SLen Brown #define EVEN_COUNTERS thread_even, core_even, package_even 207c98d5d94SLen Brown 208c98d5d94SLen Brown #define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \ 209c98d5d94SLen Brown (thread_base + (pkg_no) * topo.num_cores_per_pkg * \ 210c98d5d94SLen Brown topo.num_threads_per_core + \ 211c98d5d94SLen Brown (core_no) * topo.num_threads_per_core + (thread_no)) 212c98d5d94SLen Brown #define GET_CORE(core_base, core_no, pkg_no) \ 213c98d5d94SLen Brown (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no)) 214c98d5d94SLen Brown #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no) 215c98d5d94SLen Brown 216c98d5d94SLen Brown struct system_summary { 217c98d5d94SLen Brown struct thread_data threads; 218c98d5d94SLen Brown struct core_data cores; 219c98d5d94SLen Brown struct pkg_data packages; 220c98d5d94SLen Brown } sum, average; 221c98d5d94SLen Brown 222c98d5d94SLen Brown 223c98d5d94SLen Brown struct topo_params { 224c98d5d94SLen Brown int num_packages; 225103a8feaSLen Brown int num_cpus; 226c98d5d94SLen Brown int num_cores; 227c98d5d94SLen Brown int max_cpu_num; 228c98d5d94SLen Brown int num_cores_per_pkg; 229c98d5d94SLen Brown int num_threads_per_core; 230c98d5d94SLen Brown } topo; 231103a8feaSLen Brown 232c98d5d94SLen Brown struct timeval tv_even, tv_odd, tv_delta; 233103a8feaSLen Brown 234562a2d37SLen Brown int *irq_column_2_cpu; /* /proc/interrupts column numbers */ 235562a2d37SLen Brown int *irqs_per_cpu; /* indexed by cpu_num */ 236562a2d37SLen Brown 237c98d5d94SLen Brown void setup_all_buffers(void); 238103a8feaSLen Brown 239c98d5d94SLen Brown int cpu_is_not_present(int cpu) 240d15cf7c1SLen Brown { 241c98d5d94SLen Brown return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set); 242c98d5d94SLen Brown } 243c98d5d94SLen Brown /* 244c98d5d94SLen Brown * run func(thread, core, package) in topology order 245c98d5d94SLen Brown * skip non-present cpus 246c98d5d94SLen Brown */ 247c98d5d94SLen Brown 248c98d5d94SLen Brown int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *), 249c98d5d94SLen Brown struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base) 250c98d5d94SLen Brown { 251c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 252c98d5d94SLen Brown 253c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 254c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 255c98d5d94SLen Brown for (thread_no = 0; thread_no < 256c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 257c98d5d94SLen Brown struct thread_data *t; 258c98d5d94SLen Brown struct core_data *c; 259c98d5d94SLen Brown struct pkg_data *p; 260c98d5d94SLen Brown 261c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 262c98d5d94SLen Brown 263c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 264c98d5d94SLen Brown continue; 265c98d5d94SLen Brown 266c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 267c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 268c98d5d94SLen Brown 269c98d5d94SLen Brown retval = func(t, c, p); 270c98d5d94SLen Brown if (retval) 271c98d5d94SLen Brown return retval; 272c98d5d94SLen Brown } 273c98d5d94SLen Brown } 274c98d5d94SLen Brown } 275d15cf7c1SLen Brown return 0; 276d15cf7c1SLen Brown } 277d15cf7c1SLen Brown 27888c3281fSLen Brown int cpu_migrate(int cpu) 27988c3281fSLen Brown { 280c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 281c98d5d94SLen Brown CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set); 282c98d5d94SLen Brown if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1) 28388c3281fSLen Brown return -1; 28488c3281fSLen Brown else 28588c3281fSLen Brown return 0; 28688c3281fSLen Brown } 28736229897SLen Brown int get_msr_fd(int cpu) 288103a8feaSLen Brown { 289103a8feaSLen Brown char pathname[32]; 290103a8feaSLen Brown int fd; 291103a8feaSLen Brown 29236229897SLen Brown fd = fd_percpu[cpu]; 29336229897SLen Brown 29436229897SLen Brown if (fd) 29536229897SLen Brown return fd; 29636229897SLen Brown 297103a8feaSLen Brown sprintf(pathname, "/dev/cpu/%d/msr", cpu); 298103a8feaSLen Brown fd = open(pathname, O_RDONLY); 29915aaa346SLen Brown if (fd < 0) 30098481e79SLen Brown err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname); 301103a8feaSLen Brown 30236229897SLen Brown fd_percpu[cpu] = fd; 30336229897SLen Brown 30436229897SLen Brown return fd; 30536229897SLen Brown } 30636229897SLen Brown 30736229897SLen Brown int get_msr(int cpu, off_t offset, unsigned long long *msr) 30836229897SLen Brown { 30936229897SLen Brown ssize_t retval; 31036229897SLen Brown 31136229897SLen Brown retval = pread(get_msr_fd(cpu), msr, sizeof(*msr), offset); 31215aaa346SLen Brown 31398481e79SLen Brown if (retval != sizeof *msr) 31436229897SLen Brown err(-1, "msr %d offset 0x%llx read failed", cpu, (unsigned long long)offset); 31515aaa346SLen Brown 31615aaa346SLen Brown return 0; 317103a8feaSLen Brown } 318103a8feaSLen Brown 319fc04cc67SLen Brown /* 320fc04cc67SLen Brown * Example Format w/ field column widths: 321fc04cc67SLen Brown * 32227d47356SLen Brown * Package Core CPU Avg_MHz Bzy_MHz TSC_MHz IRQ SMI Busy% CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp PkgTmp GFXMHz Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt 323562a2d37SLen Brown * 12345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678 324fc04cc67SLen Brown */ 325fc04cc67SLen Brown 326a829eb4dSLen Brown void print_header(void) 327103a8feaSLen Brown { 328103a8feaSLen Brown if (show_pkg) 3293d109de2SLen Brown outp += sprintf(outp, "\tPackage"); 330103a8feaSLen Brown if (show_core) 3313d109de2SLen Brown outp += sprintf(outp, "\tCore"); 332103a8feaSLen Brown if (show_cpu) 3333d109de2SLen Brown outp += sprintf(outp, "\tCPU"); 334103a8feaSLen Brown if (has_aperf) 3353d109de2SLen Brown outp += sprintf(outp, "\tAvg_MHz"); 336d7899447SLen Brown if (has_aperf) 3373d109de2SLen Brown outp += sprintf(outp, "\tBusy%%"); 338fc04cc67SLen Brown if (has_aperf) 3393d109de2SLen Brown outp += sprintf(outp, "\tBzy_MHz"); 3403d109de2SLen Brown outp += sprintf(outp, "\tTSC_MHz"); 3411cc21f7bSLen Brown 3428e180f3cSLen Brown if (extra_delta_offset32) 3433d109de2SLen Brown outp += sprintf(outp, "\tcount 0x%03X", extra_delta_offset32); 3448e180f3cSLen Brown if (extra_delta_offset64) 3453d109de2SLen Brown outp += sprintf(outp, "\tCOUNT 0x%03X", extra_delta_offset64); 3462f32edf1SLen Brown if (extra_msr_offset32) 3473d109de2SLen Brown outp += sprintf(outp, "\tMSR 0x%03X", extra_msr_offset32); 3482f32edf1SLen Brown if (extra_msr_offset64) 3493d109de2SLen Brown outp += sprintf(outp, "\tMSR 0x%03X", extra_msr_offset64); 3501cc21f7bSLen Brown 3511cc21f7bSLen Brown if (!debug) 3521cc21f7bSLen Brown goto done; 3531cc21f7bSLen Brown 354562a2d37SLen Brown if (do_irq) 3553d109de2SLen Brown outp += sprintf(outp, "\tIRQ"); 3561cc21f7bSLen Brown if (do_smi) 3573d109de2SLen Brown outp += sprintf(outp, "\tSMI"); 3581cc21f7bSLen Brown 359103a8feaSLen Brown if (do_nhm_cstates) 3603d109de2SLen Brown outp += sprintf(outp, "\tCPU%%c1"); 361fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) 3623d109de2SLen Brown outp += sprintf(outp, "\tCPU%%c3"); 363103a8feaSLen Brown if (do_nhm_cstates) 3643d109de2SLen Brown outp += sprintf(outp, "\tCPU%%c6"); 365103a8feaSLen Brown if (do_snb_cstates) 3663d109de2SLen Brown outp += sprintf(outp, "\tCPU%%c7"); 367889facbeSLen Brown 368889facbeSLen Brown if (do_dts) 3693d109de2SLen Brown outp += sprintf(outp, "\tCoreTmp"); 370889facbeSLen Brown if (do_ptm) 3713d109de2SLen Brown outp += sprintf(outp, "\tPkgTmp"); 372889facbeSLen Brown 373fdf676e5SLen Brown if (do_gfx_rc6_ms) 3743d109de2SLen Brown outp += sprintf(outp, "\tGFX%%rc6"); 375fdf676e5SLen Brown 37627d47356SLen Brown if (do_gfx_mhz) 3773d109de2SLen Brown outp += sprintf(outp, "\tGFXMHz"); 37827d47356SLen Brown 3790b2bb692SLen Brown if (do_skl_residency) { 3803d109de2SLen Brown outp += sprintf(outp, "\tTotl%%C0"); 3813d109de2SLen Brown outp += sprintf(outp, "\tAny%%C0"); 3823d109de2SLen Brown outp += sprintf(outp, "\tGFX%%C0"); 3833d109de2SLen Brown outp += sprintf(outp, "\tCPUGFX%%"); 3840b2bb692SLen Brown } 3850b2bb692SLen Brown 386ee7e38e3SLen Brown if (do_pc2) 3873d109de2SLen Brown outp += sprintf(outp, "\tPkg%%pc2"); 388ee7e38e3SLen Brown if (do_pc3) 3893d109de2SLen Brown outp += sprintf(outp, "\tPkg%%pc3"); 390ee7e38e3SLen Brown if (do_pc6) 3913d109de2SLen Brown outp += sprintf(outp, "\tPkg%%pc6"); 392ee7e38e3SLen Brown if (do_pc7) 3933d109de2SLen Brown outp += sprintf(outp, "\tPkg%%pc7"); 394ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 3953d109de2SLen Brown outp += sprintf(outp, "\tPkg%%pc8"); 3963d109de2SLen Brown outp += sprintf(outp, "\tPkg%%pc9"); 3973d109de2SLen Brown outp += sprintf(outp, "\tPk%%pc10"); 398ca58710fSKristen Carlson Accardi } 399103a8feaSLen Brown 4005c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 401889facbeSLen Brown if (do_rapl & RAPL_PKG) 4023d109de2SLen Brown outp += sprintf(outp, "\tPkgWatt"); 4039148494cSJacob Pan if (do_rapl & RAPL_CORES_ENERGY_STATUS) 4043d109de2SLen Brown outp += sprintf(outp, "\tCorWatt"); 405889facbeSLen Brown if (do_rapl & RAPL_GFX) 4063d109de2SLen Brown outp += sprintf(outp, "\tGFXWatt"); 407889facbeSLen Brown if (do_rapl & RAPL_DRAM) 4083d109de2SLen Brown outp += sprintf(outp, "\tRAMWatt"); 409889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 4103d109de2SLen Brown outp += sprintf(outp, "\tPKG_%%"); 411889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 4123d109de2SLen Brown outp += sprintf(outp, "\tRAM_%%"); 413d7899447SLen Brown } else if (do_rapl && rapl_joules) { 4145c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 4153d109de2SLen Brown outp += sprintf(outp, "\tPkg_J"); 4169148494cSJacob Pan if (do_rapl & RAPL_CORES_ENERGY_STATUS) 4173d109de2SLen Brown outp += sprintf(outp, "\tCor_J"); 4185c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 4193d109de2SLen Brown outp += sprintf(outp, "\tGFX_J"); 4205c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 4213d109de2SLen Brown outp += sprintf(outp, "\tRAM_J"); 4225c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 4233d109de2SLen Brown outp += sprintf(outp, "\tPKG_%%"); 4245c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 4253d109de2SLen Brown outp += sprintf(outp, "\tRAM_%%"); 4265c56be9aSDirk Brandewie } 4271cc21f7bSLen Brown done: 428c98d5d94SLen Brown outp += sprintf(outp, "\n"); 429103a8feaSLen Brown } 430103a8feaSLen Brown 431c98d5d94SLen Brown int dump_counters(struct thread_data *t, struct core_data *c, 432c98d5d94SLen Brown struct pkg_data *p) 433103a8feaSLen Brown { 4343b4d5c7fSAndy Shevchenko outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p); 435c98d5d94SLen Brown 436c98d5d94SLen Brown if (t) { 4373b4d5c7fSAndy Shevchenko outp += sprintf(outp, "CPU: %d flags 0x%x\n", 4383b4d5c7fSAndy Shevchenko t->cpu_id, t->flags); 4393b4d5c7fSAndy Shevchenko outp += sprintf(outp, "TSC: %016llX\n", t->tsc); 4403b4d5c7fSAndy Shevchenko outp += sprintf(outp, "aperf: %016llX\n", t->aperf); 4413b4d5c7fSAndy Shevchenko outp += sprintf(outp, "mperf: %016llX\n", t->mperf); 4423b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c1: %016llX\n", t->c1); 4433b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 4448e180f3cSLen Brown extra_delta_offset32, t->extra_delta32); 4453b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 4468e180f3cSLen Brown extra_delta_offset64, t->extra_delta64); 4473b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 4482f32edf1SLen Brown extra_msr_offset32, t->extra_msr32); 4493b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 4502f32edf1SLen Brown extra_msr_offset64, t->extra_msr64); 451562a2d37SLen Brown if (do_irq) 452562a2d37SLen Brown outp += sprintf(outp, "IRQ: %08X\n", t->irq_count); 4531ed51011SLen Brown if (do_smi) 4543b4d5c7fSAndy Shevchenko outp += sprintf(outp, "SMI: %08X\n", t->smi_count); 455103a8feaSLen Brown } 456103a8feaSLen Brown 457c98d5d94SLen Brown if (c) { 4583b4d5c7fSAndy Shevchenko outp += sprintf(outp, "core: %d\n", c->core_id); 4593b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c3: %016llX\n", c->c3); 4603b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c6: %016llX\n", c->c6); 4613b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c7: %016llX\n", c->c7); 4623b4d5c7fSAndy Shevchenko outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c); 463c98d5d94SLen Brown } 464103a8feaSLen Brown 465c98d5d94SLen Brown if (p) { 4663b4d5c7fSAndy Shevchenko outp += sprintf(outp, "package: %d\n", p->package_id); 4670b2bb692SLen Brown 4680b2bb692SLen Brown outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0); 4690b2bb692SLen Brown outp += sprintf(outp, "Any cores: %016llX\n", p->pkg_any_core_c0); 4700b2bb692SLen Brown outp += sprintf(outp, "Any GFX: %016llX\n", p->pkg_any_gfxe_c0); 4710b2bb692SLen Brown outp += sprintf(outp, "CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0); 4720b2bb692SLen Brown 4733b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc2: %016llX\n", p->pc2); 474ee7e38e3SLen Brown if (do_pc3) 4753b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc3: %016llX\n", p->pc3); 476ee7e38e3SLen Brown if (do_pc6) 4773b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc6: %016llX\n", p->pc6); 478ee7e38e3SLen Brown if (do_pc7) 4793b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc7: %016llX\n", p->pc7); 4803b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc8: %016llX\n", p->pc8); 4813b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc9: %016llX\n", p->pc9); 4823b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc10: %016llX\n", p->pc10); 4833b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg); 4843b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores); 4853b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx); 4863b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram); 4873b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle PKG: %0X\n", 4883b4d5c7fSAndy Shevchenko p->rapl_pkg_perf_status); 4893b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle RAM: %0X\n", 4903b4d5c7fSAndy Shevchenko p->rapl_dram_perf_status); 4913b4d5c7fSAndy Shevchenko outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c); 492c98d5d94SLen Brown } 4933b4d5c7fSAndy Shevchenko 4943b4d5c7fSAndy Shevchenko outp += sprintf(outp, "\n"); 4953b4d5c7fSAndy Shevchenko 496c98d5d94SLen Brown return 0; 497103a8feaSLen Brown } 498103a8feaSLen Brown 499e23da037SLen Brown /* 500e23da037SLen Brown * column formatting convention & formats 501e23da037SLen Brown */ 502c98d5d94SLen Brown int format_counters(struct thread_data *t, struct core_data *c, 503c98d5d94SLen Brown struct pkg_data *p) 504103a8feaSLen Brown { 505103a8feaSLen Brown double interval_float; 506fc04cc67SLen Brown char *fmt8; 507103a8feaSLen Brown 508c98d5d94SLen Brown /* if showing only 1st thread in core and this isn't one, bail out */ 509c98d5d94SLen Brown if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 510c98d5d94SLen Brown return 0; 511c98d5d94SLen Brown 512c98d5d94SLen Brown /* if showing only 1st thread in pkg and this isn't one, bail out */ 513c98d5d94SLen Brown if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 514c98d5d94SLen Brown return 0; 515c98d5d94SLen Brown 516103a8feaSLen Brown interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0; 517103a8feaSLen Brown 518c98d5d94SLen Brown /* topo columns, print blanks on 1st (average) line */ 519c98d5d94SLen Brown if (t == &average.threads) { 520103a8feaSLen Brown if (show_pkg) 5213d109de2SLen Brown outp += sprintf(outp, "\t-"); 522103a8feaSLen Brown if (show_core) 5233d109de2SLen Brown outp += sprintf(outp, "\t-"); 524103a8feaSLen Brown if (show_cpu) 5253d109de2SLen Brown outp += sprintf(outp, "\t-"); 526103a8feaSLen Brown } else { 527c98d5d94SLen Brown if (show_pkg) { 528c98d5d94SLen Brown if (p) 5293d109de2SLen Brown outp += sprintf(outp, "\t%d", p->package_id); 530c98d5d94SLen Brown else 5313d109de2SLen Brown outp += sprintf(outp, "\t-"); 532c98d5d94SLen Brown } 533c98d5d94SLen Brown if (show_core) { 534c98d5d94SLen Brown if (c) 5353d109de2SLen Brown outp += sprintf(outp, "\t%d", c->core_id); 536c98d5d94SLen Brown else 5373d109de2SLen Brown outp += sprintf(outp, "\t-"); 538c98d5d94SLen Brown } 539103a8feaSLen Brown if (show_cpu) 5403d109de2SLen Brown outp += sprintf(outp, "\t%d", t->cpu_id); 541103a8feaSLen Brown } 542fc04cc67SLen Brown 543d7899447SLen Brown /* Avg_MHz */ 544fc04cc67SLen Brown if (has_aperf) 5453d109de2SLen Brown outp += sprintf(outp, "\t%.0f", 546fc04cc67SLen Brown 1.0 / units * t->aperf / interval_float); 547fc04cc67SLen Brown 54875d2e44eSLen Brown /* Busy% */ 549ba3dec99SLen Brown if (has_aperf) 5503d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * t->mperf/t->tsc/tsc_tweak); 551103a8feaSLen Brown 552d7899447SLen Brown /* Bzy_MHz */ 55321ed5574SLen Brown if (has_aperf) { 55421ed5574SLen Brown if (has_base_hz) 5553d109de2SLen Brown outp += sprintf(outp, "\t%.0f", base_hz / units * t->aperf / t->mperf); 55621ed5574SLen Brown else 5573d109de2SLen Brown outp += sprintf(outp, "\t%.0f", 55821ed5574SLen Brown 1.0 * t->tsc / units * t->aperf / t->mperf / interval_float); 55921ed5574SLen Brown } 560103a8feaSLen Brown 561d7899447SLen Brown /* TSC_MHz */ 5623d109de2SLen Brown outp += sprintf(outp, "\t%.0f", 1.0 * t->tsc/units/interval_float); 563103a8feaSLen Brown 5648e180f3cSLen Brown /* delta */ 5658e180f3cSLen Brown if (extra_delta_offset32) 5663d109de2SLen Brown outp += sprintf(outp, "\t%11llu", t->extra_delta32); 5678e180f3cSLen Brown 5688e180f3cSLen Brown /* DELTA */ 5698e180f3cSLen Brown if (extra_delta_offset64) 5703d109de2SLen Brown outp += sprintf(outp, "\t%11llu", t->extra_delta64); 5712f32edf1SLen Brown /* msr */ 5722f32edf1SLen Brown if (extra_msr_offset32) 5733d109de2SLen Brown outp += sprintf(outp, "\t0x%08llx", t->extra_msr32); 5742f32edf1SLen Brown 575130ff304SLen Brown /* MSR */ 5762f32edf1SLen Brown if (extra_msr_offset64) 5773d109de2SLen Brown outp += sprintf(outp, "\t0x%016llx", t->extra_msr64); 578130ff304SLen Brown 5791cc21f7bSLen Brown if (!debug) 5801cc21f7bSLen Brown goto done; 5811cc21f7bSLen Brown 582562a2d37SLen Brown /* IRQ */ 583562a2d37SLen Brown if (do_irq) 5843d109de2SLen Brown outp += sprintf(outp, "\t%d", t->irq_count); 585562a2d37SLen Brown 5861cc21f7bSLen Brown /* SMI */ 5871cc21f7bSLen Brown if (do_smi) 5883d109de2SLen Brown outp += sprintf(outp, "\t%d", t->smi_count); 5891cc21f7bSLen Brown 590ba3dec99SLen Brown if (do_nhm_cstates) 5913d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * t->c1/t->tsc); 592c98d5d94SLen Brown 593c98d5d94SLen Brown /* print per-core data only for 1st thread in core */ 594c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 595c98d5d94SLen Brown goto done; 596c98d5d94SLen Brown 597fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) 5983d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * c->c3/t->tsc); 599103a8feaSLen Brown if (do_nhm_cstates) 6003d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * c->c6/t->tsc); 601103a8feaSLen Brown if (do_snb_cstates) 6023d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * c->c7/t->tsc); 603c98d5d94SLen Brown 604889facbeSLen Brown if (do_dts) 6053d109de2SLen Brown outp += sprintf(outp, "\t%d", c->core_temp_c); 606889facbeSLen Brown 607c98d5d94SLen Brown /* print per-package data only for 1st core in package */ 608c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 609c98d5d94SLen Brown goto done; 610c98d5d94SLen Brown 6110b2bb692SLen Brown /* PkgTmp */ 612889facbeSLen Brown if (do_ptm) 6133d109de2SLen Brown outp += sprintf(outp, "\t%d", p->pkg_temp_c); 614889facbeSLen Brown 615fdf676e5SLen Brown /* GFXrc6 */ 6169185e988SLen Brown if (do_gfx_rc6_ms) { 617ba3dec99SLen Brown if (p->gfx_rc6_ms == -1) { /* detect GFX counter reset */ 6183d109de2SLen Brown outp += sprintf(outp, "\t**.**"); 6199185e988SLen Brown } else { 6203d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 6219185e988SLen Brown p->gfx_rc6_ms / 10.0 / interval_float); 6229185e988SLen Brown } 6239185e988SLen Brown } 624fdf676e5SLen Brown 62527d47356SLen Brown /* GFXMHz */ 62627d47356SLen Brown if (do_gfx_mhz) 6273d109de2SLen Brown outp += sprintf(outp, "\t%d", p->gfx_mhz); 62827d47356SLen Brown 6290b2bb692SLen Brown /* Totl%C0, Any%C0 GFX%C0 CPUGFX% */ 6300b2bb692SLen Brown if (do_skl_residency) { 6313d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pkg_wtd_core_c0/t->tsc); 6323d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pkg_any_core_c0/t->tsc); 6333d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pkg_any_gfxe_c0/t->tsc); 6343d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pkg_both_core_gfxe_c0/t->tsc); 6350b2bb692SLen Brown } 6360b2bb692SLen Brown 637ee7e38e3SLen Brown if (do_pc2) 6383d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pc2/t->tsc); 639ee7e38e3SLen Brown if (do_pc3) 6403d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pc3/t->tsc); 641ee7e38e3SLen Brown if (do_pc6) 6423d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pc6/t->tsc); 643ee7e38e3SLen Brown if (do_pc7) 6443d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pc7/t->tsc); 645ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 6463d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pc8/t->tsc); 6473d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pc9/t->tsc); 6483d109de2SLen Brown outp += sprintf(outp, "\t%.2f", 100.0 * p->pc10/t->tsc); 649ca58710fSKristen Carlson Accardi } 650889facbeSLen Brown 651889facbeSLen Brown /* 652889facbeSLen Brown * If measurement interval exceeds minimum RAPL Joule Counter range, 653889facbeSLen Brown * indicate that results are suspect by printing "**" in fraction place. 654889facbeSLen Brown */ 655fc04cc67SLen Brown if (interval_float < rapl_joule_counter_range) 6563d109de2SLen Brown fmt8 = "\t%.2f"; 657fc04cc67SLen Brown else 658fc04cc67SLen Brown fmt8 = "%6.0f**"; 659889facbeSLen Brown 6605c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 661889facbeSLen Brown if (do_rapl & RAPL_PKG) 662fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float); 6639148494cSJacob Pan if (do_rapl & RAPL_CORES_ENERGY_STATUS) 664fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float); 665889facbeSLen Brown if (do_rapl & RAPL_GFX) 666fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float); 667889facbeSLen Brown if (do_rapl & RAPL_DRAM) 66840ee8e3bSAndrey Semin outp += sprintf(outp, fmt8, p->energy_dram * rapl_dram_energy_units / interval_float); 669889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 670fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 671889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 672fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 673d7899447SLen Brown } else if (do_rapl && rapl_joules) { 6745c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 675fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6765c56be9aSDirk Brandewie p->energy_pkg * rapl_energy_units); 6775c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 678fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6795c56be9aSDirk Brandewie p->energy_cores * rapl_energy_units); 6805c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 681fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6825c56be9aSDirk Brandewie p->energy_gfx * rapl_energy_units); 6835c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 684fc04cc67SLen Brown outp += sprintf(outp, fmt8, 68540ee8e3bSAndrey Semin p->energy_dram * rapl_dram_energy_units); 6865c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 687fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 6885c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 689fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 6905c56be9aSDirk Brandewie } 691c98d5d94SLen Brown done: 692c98d5d94SLen Brown outp += sprintf(outp, "\n"); 693c98d5d94SLen Brown 694c98d5d94SLen Brown return 0; 695103a8feaSLen Brown } 696103a8feaSLen Brown 697b7d8c148SLen Brown void flush_output_stdout(void) 698103a8feaSLen Brown { 699b7d8c148SLen Brown FILE *filep; 700b7d8c148SLen Brown 701b7d8c148SLen Brown if (outf == stderr) 702b7d8c148SLen Brown filep = stdout; 703b7d8c148SLen Brown else 704b7d8c148SLen Brown filep = outf; 705b7d8c148SLen Brown 706b7d8c148SLen Brown fputs(output_buffer, filep); 707b7d8c148SLen Brown fflush(filep); 708b7d8c148SLen Brown 709c98d5d94SLen Brown outp = output_buffer; 710c98d5d94SLen Brown } 711b7d8c148SLen Brown void flush_output_stderr(void) 712c98d5d94SLen Brown { 713b7d8c148SLen Brown fputs(output_buffer, outf); 714b7d8c148SLen Brown fflush(outf); 715c98d5d94SLen Brown outp = output_buffer; 716c98d5d94SLen Brown } 717c98d5d94SLen Brown void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 718c98d5d94SLen Brown { 719e23da037SLen Brown static int printed; 720103a8feaSLen Brown 721e23da037SLen Brown if (!printed || !summary_only) 722103a8feaSLen Brown print_header(); 723103a8feaSLen Brown 724c98d5d94SLen Brown if (topo.num_cpus > 1) 725c98d5d94SLen Brown format_counters(&average.threads, &average.cores, 726c98d5d94SLen Brown &average.packages); 727103a8feaSLen Brown 728e23da037SLen Brown printed = 1; 729e23da037SLen Brown 730e23da037SLen Brown if (summary_only) 731e23da037SLen Brown return; 732e23da037SLen Brown 733c98d5d94SLen Brown for_all_cpus(format_counters, t, c, p); 734103a8feaSLen Brown } 735103a8feaSLen Brown 736889facbeSLen Brown #define DELTA_WRAP32(new, old) \ 737889facbeSLen Brown if (new > old) { \ 738889facbeSLen Brown old = new - old; \ 739889facbeSLen Brown } else { \ 740889facbeSLen Brown old = 0x100000000 + new - old; \ 741889facbeSLen Brown } 742889facbeSLen Brown 743ba3dec99SLen Brown int 744c98d5d94SLen Brown delta_package(struct pkg_data *new, struct pkg_data *old) 745103a8feaSLen Brown { 7460b2bb692SLen Brown 7470b2bb692SLen Brown if (do_skl_residency) { 7480b2bb692SLen Brown old->pkg_wtd_core_c0 = new->pkg_wtd_core_c0 - old->pkg_wtd_core_c0; 7490b2bb692SLen Brown old->pkg_any_core_c0 = new->pkg_any_core_c0 - old->pkg_any_core_c0; 7500b2bb692SLen Brown old->pkg_any_gfxe_c0 = new->pkg_any_gfxe_c0 - old->pkg_any_gfxe_c0; 7510b2bb692SLen Brown old->pkg_both_core_gfxe_c0 = new->pkg_both_core_gfxe_c0 - old->pkg_both_core_gfxe_c0; 7520b2bb692SLen Brown } 753c98d5d94SLen Brown old->pc2 = new->pc2 - old->pc2; 754ee7e38e3SLen Brown if (do_pc3) 755c98d5d94SLen Brown old->pc3 = new->pc3 - old->pc3; 756ee7e38e3SLen Brown if (do_pc6) 757c98d5d94SLen Brown old->pc6 = new->pc6 - old->pc6; 758ee7e38e3SLen Brown if (do_pc7) 759c98d5d94SLen Brown old->pc7 = new->pc7 - old->pc7; 760ca58710fSKristen Carlson Accardi old->pc8 = new->pc8 - old->pc8; 761ca58710fSKristen Carlson Accardi old->pc9 = new->pc9 - old->pc9; 762ca58710fSKristen Carlson Accardi old->pc10 = new->pc10 - old->pc10; 763889facbeSLen Brown old->pkg_temp_c = new->pkg_temp_c; 764889facbeSLen Brown 7659185e988SLen Brown /* flag an error when rc6 counter resets/wraps */ 7669185e988SLen Brown if (old->gfx_rc6_ms > new->gfx_rc6_ms) 7679185e988SLen Brown old->gfx_rc6_ms = -1; 7689185e988SLen Brown else 769fdf676e5SLen Brown old->gfx_rc6_ms = new->gfx_rc6_ms - old->gfx_rc6_ms; 7709185e988SLen Brown 77127d47356SLen Brown old->gfx_mhz = new->gfx_mhz; 77227d47356SLen Brown 773889facbeSLen Brown DELTA_WRAP32(new->energy_pkg, old->energy_pkg); 774889facbeSLen Brown DELTA_WRAP32(new->energy_cores, old->energy_cores); 775889facbeSLen Brown DELTA_WRAP32(new->energy_gfx, old->energy_gfx); 776889facbeSLen Brown DELTA_WRAP32(new->energy_dram, old->energy_dram); 777889facbeSLen Brown DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status); 778889facbeSLen Brown DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status); 779ba3dec99SLen Brown 780ba3dec99SLen Brown return 0; 781103a8feaSLen Brown } 782103a8feaSLen Brown 783c98d5d94SLen Brown void 784c98d5d94SLen Brown delta_core(struct core_data *new, struct core_data *old) 785c98d5d94SLen Brown { 786c98d5d94SLen Brown old->c3 = new->c3 - old->c3; 787c98d5d94SLen Brown old->c6 = new->c6 - old->c6; 788c98d5d94SLen Brown old->c7 = new->c7 - old->c7; 789889facbeSLen Brown old->core_temp_c = new->core_temp_c; 790103a8feaSLen Brown } 791c98d5d94SLen Brown 792c3ae331dSLen Brown /* 793c3ae331dSLen Brown * old = new - old 794c3ae331dSLen Brown */ 795ba3dec99SLen Brown int 796c98d5d94SLen Brown delta_thread(struct thread_data *new, struct thread_data *old, 797c98d5d94SLen Brown struct core_data *core_delta) 798c98d5d94SLen Brown { 799c98d5d94SLen Brown old->tsc = new->tsc - old->tsc; 800c98d5d94SLen Brown 801103a8feaSLen Brown /* check for TSC < 1 Mcycles over interval */ 802b2c95d90SJosh Triplett if (old->tsc < (1000 * 1000)) 803b2c95d90SJosh Triplett errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n" 804b2c95d90SJosh Triplett "You can disable all c-states by booting with \"idle=poll\"\n" 805b2c95d90SJosh Triplett "or just the deep ones with \"processor.max_cstate=1\""); 806103a8feaSLen Brown 807c98d5d94SLen Brown old->c1 = new->c1 - old->c1; 808c98d5d94SLen Brown 809a729617cSLen Brown if (has_aperf) { 810c98d5d94SLen Brown if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) { 811c98d5d94SLen Brown old->aperf = new->aperf - old->aperf; 812c98d5d94SLen Brown old->mperf = new->mperf - old->mperf; 813c98d5d94SLen Brown } else { 814ba3dec99SLen Brown return -1; 815103a8feaSLen Brown } 816a729617cSLen Brown } 817103a8feaSLen Brown 818c98d5d94SLen Brown 819144b44b1SLen Brown if (use_c1_residency_msr) { 820144b44b1SLen Brown /* 821144b44b1SLen Brown * Some models have a dedicated C1 residency MSR, 822144b44b1SLen Brown * which should be more accurate than the derivation below. 823144b44b1SLen Brown */ 824144b44b1SLen Brown } else { 825103a8feaSLen Brown /* 826c3ae331dSLen Brown * As counter collection is not atomic, 827c3ae331dSLen Brown * it is possible for mperf's non-halted cycles + idle states 828103a8feaSLen Brown * to exceed TSC's all cycles: show c1 = 0% in that case. 829103a8feaSLen Brown */ 830c3ae331dSLen Brown if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc) 831c98d5d94SLen Brown old->c1 = 0; 832c98d5d94SLen Brown else { 833c98d5d94SLen Brown /* normal case, derive c1 */ 834c98d5d94SLen Brown old->c1 = old->tsc - old->mperf - core_delta->c3 835c98d5d94SLen Brown - core_delta->c6 - core_delta->c7; 836c98d5d94SLen Brown } 837144b44b1SLen Brown } 838c3ae331dSLen Brown 839c98d5d94SLen Brown if (old->mperf == 0) { 840b7d8c148SLen Brown if (debug > 1) 841b7d8c148SLen Brown fprintf(outf, "cpu%d MPERF 0!\n", old->cpu_id); 842c98d5d94SLen Brown old->mperf = 1; /* divide by 0 protection */ 843c98d5d94SLen Brown } 844103a8feaSLen Brown 8458e180f3cSLen Brown old->extra_delta32 = new->extra_delta32 - old->extra_delta32; 8468e180f3cSLen Brown old->extra_delta32 &= 0xFFFFFFFF; 8478e180f3cSLen Brown 8488e180f3cSLen Brown old->extra_delta64 = new->extra_delta64 - old->extra_delta64; 8498e180f3cSLen Brown 850103a8feaSLen Brown /* 8518e180f3cSLen Brown * Extra MSR is just a snapshot, simply copy latest w/o subtracting 852103a8feaSLen Brown */ 8532f32edf1SLen Brown old->extra_msr32 = new->extra_msr32; 8542f32edf1SLen Brown old->extra_msr64 = new->extra_msr64; 8551ed51011SLen Brown 856562a2d37SLen Brown if (do_irq) 857562a2d37SLen Brown old->irq_count = new->irq_count - old->irq_count; 858562a2d37SLen Brown 8591ed51011SLen Brown if (do_smi) 8601ed51011SLen Brown old->smi_count = new->smi_count - old->smi_count; 861ba3dec99SLen Brown 862ba3dec99SLen Brown return 0; 863103a8feaSLen Brown } 864c98d5d94SLen Brown 865c98d5d94SLen Brown int delta_cpu(struct thread_data *t, struct core_data *c, 866c98d5d94SLen Brown struct pkg_data *p, struct thread_data *t2, 867c98d5d94SLen Brown struct core_data *c2, struct pkg_data *p2) 868c98d5d94SLen Brown { 869ba3dec99SLen Brown int retval = 0; 870ba3dec99SLen Brown 871c98d5d94SLen Brown /* calculate core delta only for 1st thread in core */ 872c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE) 873c98d5d94SLen Brown delta_core(c, c2); 874c98d5d94SLen Brown 875c98d5d94SLen Brown /* always calculate thread delta */ 876ba3dec99SLen Brown retval = delta_thread(t, t2, c2); /* c2 is core delta */ 877ba3dec99SLen Brown if (retval) 878ba3dec99SLen Brown return retval; 879c98d5d94SLen Brown 880c98d5d94SLen Brown /* calculate package delta only for 1st core in package */ 881c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE) 882ba3dec99SLen Brown retval = delta_package(p, p2); 883c98d5d94SLen Brown 884ba3dec99SLen Brown return retval; 885103a8feaSLen Brown } 886103a8feaSLen Brown 887c98d5d94SLen Brown void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 888103a8feaSLen Brown { 889c98d5d94SLen Brown t->tsc = 0; 890c98d5d94SLen Brown t->aperf = 0; 891c98d5d94SLen Brown t->mperf = 0; 892c98d5d94SLen Brown t->c1 = 0; 893103a8feaSLen Brown 8948e180f3cSLen Brown t->extra_delta32 = 0; 8958e180f3cSLen Brown t->extra_delta64 = 0; 8968e180f3cSLen Brown 897562a2d37SLen Brown t->irq_count = 0; 898562a2d37SLen Brown t->smi_count = 0; 899562a2d37SLen Brown 900c98d5d94SLen Brown /* tells format_counters to dump all fields from this set */ 901c98d5d94SLen Brown t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE; 902c98d5d94SLen Brown 903c98d5d94SLen Brown c->c3 = 0; 904c98d5d94SLen Brown c->c6 = 0; 905c98d5d94SLen Brown c->c7 = 0; 906889facbeSLen Brown c->core_temp_c = 0; 907c98d5d94SLen Brown 9080b2bb692SLen Brown p->pkg_wtd_core_c0 = 0; 9090b2bb692SLen Brown p->pkg_any_core_c0 = 0; 9100b2bb692SLen Brown p->pkg_any_gfxe_c0 = 0; 9110b2bb692SLen Brown p->pkg_both_core_gfxe_c0 = 0; 9120b2bb692SLen Brown 913c98d5d94SLen Brown p->pc2 = 0; 914ee7e38e3SLen Brown if (do_pc3) 915c98d5d94SLen Brown p->pc3 = 0; 916ee7e38e3SLen Brown if (do_pc6) 917c98d5d94SLen Brown p->pc6 = 0; 918ee7e38e3SLen Brown if (do_pc7) 919c98d5d94SLen Brown p->pc7 = 0; 920ca58710fSKristen Carlson Accardi p->pc8 = 0; 921ca58710fSKristen Carlson Accardi p->pc9 = 0; 922ca58710fSKristen Carlson Accardi p->pc10 = 0; 923889facbeSLen Brown 924889facbeSLen Brown p->energy_pkg = 0; 925889facbeSLen Brown p->energy_dram = 0; 926889facbeSLen Brown p->energy_cores = 0; 927889facbeSLen Brown p->energy_gfx = 0; 928889facbeSLen Brown p->rapl_pkg_perf_status = 0; 929889facbeSLen Brown p->rapl_dram_perf_status = 0; 930889facbeSLen Brown p->pkg_temp_c = 0; 93127d47356SLen Brown 932fdf676e5SLen Brown p->gfx_rc6_ms = 0; 93327d47356SLen Brown p->gfx_mhz = 0; 934103a8feaSLen Brown } 935c98d5d94SLen Brown int sum_counters(struct thread_data *t, struct core_data *c, 936c98d5d94SLen Brown struct pkg_data *p) 937103a8feaSLen Brown { 938c98d5d94SLen Brown average.threads.tsc += t->tsc; 939c98d5d94SLen Brown average.threads.aperf += t->aperf; 940c98d5d94SLen Brown average.threads.mperf += t->mperf; 941c98d5d94SLen Brown average.threads.c1 += t->c1; 94215aaa346SLen Brown 9438e180f3cSLen Brown average.threads.extra_delta32 += t->extra_delta32; 9448e180f3cSLen Brown average.threads.extra_delta64 += t->extra_delta64; 9458e180f3cSLen Brown 946562a2d37SLen Brown average.threads.irq_count += t->irq_count; 947562a2d37SLen Brown average.threads.smi_count += t->smi_count; 948562a2d37SLen Brown 949c98d5d94SLen Brown /* sum per-core values only for 1st thread in core */ 950c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 951c98d5d94SLen Brown return 0; 952c98d5d94SLen Brown 953c98d5d94SLen Brown average.cores.c3 += c->c3; 954c98d5d94SLen Brown average.cores.c6 += c->c6; 955c98d5d94SLen Brown average.cores.c7 += c->c7; 956c98d5d94SLen Brown 957889facbeSLen Brown average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c); 958889facbeSLen Brown 959c98d5d94SLen Brown /* sum per-pkg values only for 1st core in pkg */ 960c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 961c98d5d94SLen Brown return 0; 962c98d5d94SLen Brown 9630b2bb692SLen Brown if (do_skl_residency) { 9640b2bb692SLen Brown average.packages.pkg_wtd_core_c0 += p->pkg_wtd_core_c0; 9650b2bb692SLen Brown average.packages.pkg_any_core_c0 += p->pkg_any_core_c0; 9660b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 += p->pkg_any_gfxe_c0; 9670b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 += p->pkg_both_core_gfxe_c0; 9680b2bb692SLen Brown } 9690b2bb692SLen Brown 970c98d5d94SLen Brown average.packages.pc2 += p->pc2; 971ee7e38e3SLen Brown if (do_pc3) 972c98d5d94SLen Brown average.packages.pc3 += p->pc3; 973ee7e38e3SLen Brown if (do_pc6) 974c98d5d94SLen Brown average.packages.pc6 += p->pc6; 975ee7e38e3SLen Brown if (do_pc7) 976c98d5d94SLen Brown average.packages.pc7 += p->pc7; 977ca58710fSKristen Carlson Accardi average.packages.pc8 += p->pc8; 978ca58710fSKristen Carlson Accardi average.packages.pc9 += p->pc9; 979ca58710fSKristen Carlson Accardi average.packages.pc10 += p->pc10; 980c98d5d94SLen Brown 981889facbeSLen Brown average.packages.energy_pkg += p->energy_pkg; 982889facbeSLen Brown average.packages.energy_dram += p->energy_dram; 983889facbeSLen Brown average.packages.energy_cores += p->energy_cores; 984889facbeSLen Brown average.packages.energy_gfx += p->energy_gfx; 985889facbeSLen Brown 986fdf676e5SLen Brown average.packages.gfx_rc6_ms = p->gfx_rc6_ms; 98727d47356SLen Brown average.packages.gfx_mhz = p->gfx_mhz; 98827d47356SLen Brown 989889facbeSLen Brown average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c); 990889facbeSLen Brown 991889facbeSLen Brown average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status; 992889facbeSLen Brown average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status; 993c98d5d94SLen Brown return 0; 994c98d5d94SLen Brown } 995c98d5d94SLen Brown /* 996c98d5d94SLen Brown * sum the counters for all cpus in the system 997c98d5d94SLen Brown * compute the weighted average 998c98d5d94SLen Brown */ 999c98d5d94SLen Brown void compute_average(struct thread_data *t, struct core_data *c, 1000c98d5d94SLen Brown struct pkg_data *p) 1001c98d5d94SLen Brown { 1002c98d5d94SLen Brown clear_counters(&average.threads, &average.cores, &average.packages); 1003c98d5d94SLen Brown 1004c98d5d94SLen Brown for_all_cpus(sum_counters, t, c, p); 1005c98d5d94SLen Brown 1006c98d5d94SLen Brown average.threads.tsc /= topo.num_cpus; 1007c98d5d94SLen Brown average.threads.aperf /= topo.num_cpus; 1008c98d5d94SLen Brown average.threads.mperf /= topo.num_cpus; 1009c98d5d94SLen Brown average.threads.c1 /= topo.num_cpus; 1010c98d5d94SLen Brown 10118e180f3cSLen Brown average.threads.extra_delta32 /= topo.num_cpus; 10128e180f3cSLen Brown average.threads.extra_delta32 &= 0xFFFFFFFF; 10138e180f3cSLen Brown 10148e180f3cSLen Brown average.threads.extra_delta64 /= topo.num_cpus; 10158e180f3cSLen Brown 1016c98d5d94SLen Brown average.cores.c3 /= topo.num_cores; 1017c98d5d94SLen Brown average.cores.c6 /= topo.num_cores; 1018c98d5d94SLen Brown average.cores.c7 /= topo.num_cores; 1019c98d5d94SLen Brown 10200b2bb692SLen Brown if (do_skl_residency) { 10210b2bb692SLen Brown average.packages.pkg_wtd_core_c0 /= topo.num_packages; 10220b2bb692SLen Brown average.packages.pkg_any_core_c0 /= topo.num_packages; 10230b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 /= topo.num_packages; 10240b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 /= topo.num_packages; 10250b2bb692SLen Brown } 10260b2bb692SLen Brown 1027c98d5d94SLen Brown average.packages.pc2 /= topo.num_packages; 1028ee7e38e3SLen Brown if (do_pc3) 1029c98d5d94SLen Brown average.packages.pc3 /= topo.num_packages; 1030ee7e38e3SLen Brown if (do_pc6) 1031c98d5d94SLen Brown average.packages.pc6 /= topo.num_packages; 1032ee7e38e3SLen Brown if (do_pc7) 1033c98d5d94SLen Brown average.packages.pc7 /= topo.num_packages; 1034ca58710fSKristen Carlson Accardi 1035ca58710fSKristen Carlson Accardi average.packages.pc8 /= topo.num_packages; 1036ca58710fSKristen Carlson Accardi average.packages.pc9 /= topo.num_packages; 1037ca58710fSKristen Carlson Accardi average.packages.pc10 /= topo.num_packages; 1038c98d5d94SLen Brown } 1039c98d5d94SLen Brown 1040c98d5d94SLen Brown static unsigned long long rdtsc(void) 1041c98d5d94SLen Brown { 1042c98d5d94SLen Brown unsigned int low, high; 1043c98d5d94SLen Brown 1044c98d5d94SLen Brown asm volatile("rdtsc" : "=a" (low), "=d" (high)); 1045c98d5d94SLen Brown 1046c98d5d94SLen Brown return low | ((unsigned long long)high) << 32; 1047c98d5d94SLen Brown } 1048c98d5d94SLen Brown 1049c98d5d94SLen Brown /* 1050c98d5d94SLen Brown * get_counters(...) 1051c98d5d94SLen Brown * migrate to cpu 1052c98d5d94SLen Brown * acquire and record local counters for that cpu 1053c98d5d94SLen Brown */ 1054c98d5d94SLen Brown int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1055c98d5d94SLen Brown { 1056c98d5d94SLen Brown int cpu = t->cpu_id; 1057889facbeSLen Brown unsigned long long msr; 10580102b067SLen Brown int aperf_mperf_retry_count = 0; 1059c98d5d94SLen Brown 1060e52966c0SLen Brown if (cpu_migrate(cpu)) { 1061b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 106215aaa346SLen Brown return -1; 1063e52966c0SLen Brown } 106415aaa346SLen Brown 10650102b067SLen Brown retry: 1066c98d5d94SLen Brown t->tsc = rdtsc(); /* we are running on local CPU of interest */ 106715aaa346SLen Brown 106815aaa346SLen Brown if (has_aperf) { 10690102b067SLen Brown unsigned long long tsc_before, tsc_between, tsc_after, aperf_time, mperf_time; 10700102b067SLen Brown 10710102b067SLen Brown /* 10720102b067SLen Brown * The TSC, APERF and MPERF must be read together for 10730102b067SLen Brown * APERF/MPERF and MPERF/TSC to give accurate results. 10740102b067SLen Brown * 10750102b067SLen Brown * Unfortunately, APERF and MPERF are read by 10760102b067SLen Brown * individual system call, so delays may occur 10770102b067SLen Brown * between them. If the time to read them 10780102b067SLen Brown * varies by a large amount, we re-read them. 10790102b067SLen Brown */ 10800102b067SLen Brown 10810102b067SLen Brown /* 10820102b067SLen Brown * This initial dummy APERF read has been seen to 10830102b067SLen Brown * reduce jitter in the subsequent reads. 10840102b067SLen Brown */ 10850102b067SLen Brown 10869c63a650SLen Brown if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 1087c98d5d94SLen Brown return -3; 10880102b067SLen Brown 10890102b067SLen Brown t->tsc = rdtsc(); /* re-read close to APERF */ 10900102b067SLen Brown 10910102b067SLen Brown tsc_before = t->tsc; 10920102b067SLen Brown 10930102b067SLen Brown if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 10940102b067SLen Brown return -3; 10950102b067SLen Brown 10960102b067SLen Brown tsc_between = rdtsc(); 10970102b067SLen Brown 10989c63a650SLen Brown if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf)) 1099c98d5d94SLen Brown return -4; 11000102b067SLen Brown 11010102b067SLen Brown tsc_after = rdtsc(); 11020102b067SLen Brown 11030102b067SLen Brown aperf_time = tsc_between - tsc_before; 11040102b067SLen Brown mperf_time = tsc_after - tsc_between; 11050102b067SLen Brown 11060102b067SLen Brown /* 11070102b067SLen Brown * If the system call latency to read APERF and MPERF 11080102b067SLen Brown * differ by more than 2x, then try again. 11090102b067SLen Brown */ 11100102b067SLen Brown if ((aperf_time > (2 * mperf_time)) || (mperf_time > (2 * aperf_time))) { 11110102b067SLen Brown aperf_mperf_retry_count++; 11120102b067SLen Brown if (aperf_mperf_retry_count < 5) 11130102b067SLen Brown goto retry; 11140102b067SLen Brown else 11150102b067SLen Brown warnx("cpu%d jitter %lld %lld", 11160102b067SLen Brown cpu, aperf_time, mperf_time); 11170102b067SLen Brown } 11180102b067SLen Brown aperf_mperf_retry_count = 0; 11190102b067SLen Brown 1120b2b34dfeSHubert Chrzaniuk t->aperf = t->aperf * aperf_mperf_multiplier; 1121b2b34dfeSHubert Chrzaniuk t->mperf = t->mperf * aperf_mperf_multiplier; 112288c3281fSLen Brown } 112388c3281fSLen Brown 1124562a2d37SLen Brown if (do_irq) 1125562a2d37SLen Brown t->irq_count = irqs_per_cpu[cpu]; 11261ed51011SLen Brown if (do_smi) { 11271ed51011SLen Brown if (get_msr(cpu, MSR_SMI_COUNT, &msr)) 11281ed51011SLen Brown return -5; 11291ed51011SLen Brown t->smi_count = msr & 0xFFFFFFFF; 11301ed51011SLen Brown } 11318e180f3cSLen Brown if (extra_delta_offset32) { 1132889facbeSLen Brown if (get_msr(cpu, extra_delta_offset32, &msr)) 11332f32edf1SLen Brown return -5; 1134889facbeSLen Brown t->extra_delta32 = msr & 0xFFFFFFFF; 11358e180f3cSLen Brown } 11368e180f3cSLen Brown 11378e180f3cSLen Brown if (extra_delta_offset64) 11388e180f3cSLen Brown if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64)) 11398e180f3cSLen Brown return -5; 11408e180f3cSLen Brown 11418e180f3cSLen Brown if (extra_msr_offset32) { 1142889facbeSLen Brown if (get_msr(cpu, extra_msr_offset32, &msr)) 11438e180f3cSLen Brown return -5; 1144889facbeSLen Brown t->extra_msr32 = msr & 0xFFFFFFFF; 11458e180f3cSLen Brown } 11462f32edf1SLen Brown 11472f32edf1SLen Brown if (extra_msr_offset64) 11482f32edf1SLen Brown if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64)) 1149c98d5d94SLen Brown return -5; 1150c98d5d94SLen Brown 1151144b44b1SLen Brown if (use_c1_residency_msr) { 1152144b44b1SLen Brown if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1)) 1153144b44b1SLen Brown return -6; 1154144b44b1SLen Brown } 1155144b44b1SLen Brown 1156c98d5d94SLen Brown /* collect core counters only for 1st thread in core */ 1157c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 1158c98d5d94SLen Brown return 0; 1159c98d5d94SLen Brown 1160fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) { 1161c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3)) 1162c98d5d94SLen Brown return -6; 1163144b44b1SLen Brown } 1164144b44b1SLen Brown 1165fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_knl_cstates) { 1166c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6)) 1167c98d5d94SLen Brown return -7; 1168fb5d4327SDasaratharaman Chandramouli } else if (do_knl_cstates) { 1169fb5d4327SDasaratharaman Chandramouli if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6)) 1170fb5d4327SDasaratharaman Chandramouli return -7; 1171103a8feaSLen Brown } 117215aaa346SLen Brown 117315aaa346SLen Brown if (do_snb_cstates) 1174c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7)) 1175c98d5d94SLen Brown return -8; 1176c98d5d94SLen Brown 1177889facbeSLen Brown if (do_dts) { 1178889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 1179889facbeSLen Brown return -9; 1180889facbeSLen Brown c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1181889facbeSLen Brown } 1182889facbeSLen Brown 1183889facbeSLen Brown 1184c98d5d94SLen Brown /* collect package counters only for 1st core in package */ 1185c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 1186c98d5d94SLen Brown return 0; 118715aaa346SLen Brown 11880b2bb692SLen Brown if (do_skl_residency) { 11890b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_WEIGHTED_CORE_C0_RES, &p->pkg_wtd_core_c0)) 11900b2bb692SLen Brown return -10; 11910b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_CORE_C0_RES, &p->pkg_any_core_c0)) 11920b2bb692SLen Brown return -11; 11930b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_GFXE_C0_RES, &p->pkg_any_gfxe_c0)) 11940b2bb692SLen Brown return -12; 11950b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_BOTH_CORE_GFXE_C0_RES, &p->pkg_both_core_gfxe_c0)) 11960b2bb692SLen Brown return -13; 11970b2bb692SLen Brown } 1198ee7e38e3SLen Brown if (do_pc3) 1199c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3)) 1200c98d5d94SLen Brown return -9; 1201ee7e38e3SLen Brown if (do_pc6) 1202c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6)) 1203c98d5d94SLen Brown return -10; 1204ee7e38e3SLen Brown if (do_pc2) 1205c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2)) 1206c98d5d94SLen Brown return -11; 1207ee7e38e3SLen Brown if (do_pc7) 1208c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7)) 1209c98d5d94SLen Brown return -12; 1210ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 1211ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8)) 1212ca58710fSKristen Carlson Accardi return -13; 1213ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9)) 1214ca58710fSKristen Carlson Accardi return -13; 1215ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10)) 1216ca58710fSKristen Carlson Accardi return -13; 1217ca58710fSKristen Carlson Accardi } 1218889facbeSLen Brown if (do_rapl & RAPL_PKG) { 1219889facbeSLen Brown if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr)) 1220889facbeSLen Brown return -13; 1221889facbeSLen Brown p->energy_pkg = msr & 0xFFFFFFFF; 1222889facbeSLen Brown } 12239148494cSJacob Pan if (do_rapl & RAPL_CORES_ENERGY_STATUS) { 1224889facbeSLen Brown if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr)) 1225889facbeSLen Brown return -14; 1226889facbeSLen Brown p->energy_cores = msr & 0xFFFFFFFF; 1227889facbeSLen Brown } 1228889facbeSLen Brown if (do_rapl & RAPL_DRAM) { 1229889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr)) 1230889facbeSLen Brown return -15; 1231889facbeSLen Brown p->energy_dram = msr & 0xFFFFFFFF; 1232889facbeSLen Brown } 1233889facbeSLen Brown if (do_rapl & RAPL_GFX) { 1234889facbeSLen Brown if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr)) 1235889facbeSLen Brown return -16; 1236889facbeSLen Brown p->energy_gfx = msr & 0xFFFFFFFF; 1237889facbeSLen Brown } 1238889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) { 1239889facbeSLen Brown if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr)) 1240889facbeSLen Brown return -16; 1241889facbeSLen Brown p->rapl_pkg_perf_status = msr & 0xFFFFFFFF; 1242889facbeSLen Brown } 1243889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) { 1244889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr)) 1245889facbeSLen Brown return -16; 1246889facbeSLen Brown p->rapl_dram_perf_status = msr & 0xFFFFFFFF; 1247889facbeSLen Brown } 1248889facbeSLen Brown if (do_ptm) { 1249889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 1250889facbeSLen Brown return -17; 1251889facbeSLen Brown p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1252889facbeSLen Brown } 1253fdf676e5SLen Brown 1254fdf676e5SLen Brown if (do_gfx_rc6_ms) 1255fdf676e5SLen Brown p->gfx_rc6_ms = gfx_cur_rc6_ms; 1256fdf676e5SLen Brown 125727d47356SLen Brown if (do_gfx_mhz) 125827d47356SLen Brown p->gfx_mhz = gfx_cur_mhz; 125927d47356SLen Brown 126015aaa346SLen Brown return 0; 1261103a8feaSLen Brown } 1262103a8feaSLen Brown 1263ee7e38e3SLen Brown /* 1264ee7e38e3SLen Brown * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit: 1265ee7e38e3SLen Brown * If you change the values, note they are used both in comparisons 1266ee7e38e3SLen Brown * (>= PCL__7) and to index pkg_cstate_limit_strings[]. 1267ee7e38e3SLen Brown */ 1268ee7e38e3SLen Brown 1269ee7e38e3SLen Brown #define PCLUKN 0 /* Unknown */ 1270ee7e38e3SLen Brown #define PCLRSV 1 /* Reserved */ 1271ee7e38e3SLen Brown #define PCL__0 2 /* PC0 */ 1272ee7e38e3SLen Brown #define PCL__1 3 /* PC1 */ 1273ee7e38e3SLen Brown #define PCL__2 4 /* PC2 */ 1274ee7e38e3SLen Brown #define PCL__3 5 /* PC3 */ 1275ee7e38e3SLen Brown #define PCL__4 6 /* PC4 */ 1276ee7e38e3SLen Brown #define PCL__6 7 /* PC6 */ 1277ee7e38e3SLen Brown #define PCL_6N 8 /* PC6 No Retention */ 1278ee7e38e3SLen Brown #define PCL_6R 9 /* PC6 Retention */ 1279ee7e38e3SLen Brown #define PCL__7 10 /* PC7 */ 1280ee7e38e3SLen Brown #define PCL_7S 11 /* PC7 Shrink */ 12810b2bb692SLen Brown #define PCL__8 12 /* PC8 */ 12820b2bb692SLen Brown #define PCL__9 13 /* PC9 */ 12830b2bb692SLen Brown #define PCLUNL 14 /* Unlimited */ 1284ee7e38e3SLen Brown 1285ee7e38e3SLen Brown int pkg_cstate_limit = PCLUKN; 1286ee7e38e3SLen Brown char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2", 12870b2bb692SLen Brown "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "unlimited"}; 1288ee7e38e3SLen Brown 1289e9257f5fSLen 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}; 1290e9257f5fSLen 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}; 1291e9257f5fSLen 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}; 1292e9257f5fSLen 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, PCLRSV, PCLRSV}; 1293e9257f5fSLen Brown int amt_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1294e9257f5fSLen 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}; 1295e4085d54SLen 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}; 1296ee7e38e3SLen Brown 1297a2b7b749SLen Brown 1298a2b7b749SLen Brown static void 1299a2b7b749SLen Brown calculate_tsc_tweak() 1300a2b7b749SLen Brown { 1301a2b7b749SLen Brown tsc_tweak = base_hz / tsc_hz; 1302a2b7b749SLen Brown } 1303a2b7b749SLen Brown 1304fcd17211SLen Brown static void 1305fcd17211SLen Brown dump_nhm_platform_info(void) 1306103a8feaSLen Brown { 1307103a8feaSLen Brown unsigned long long msr; 1308103a8feaSLen Brown unsigned int ratio; 1309103a8feaSLen Brown 1310ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 1311103a8feaSLen Brown 1312b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr); 13136574a5d5SLen Brown 1314103a8feaSLen Brown ratio = (msr >> 40) & 0xFF; 1315b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max efficiency frequency\n", 1316103a8feaSLen Brown ratio, bclk, ratio * bclk); 1317103a8feaSLen Brown 1318103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1319b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz base frequency\n", 1320103a8feaSLen Brown ratio, bclk, ratio * bclk); 1321103a8feaSLen Brown 13227ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr); 1323b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n", 1324bfae2052SLen Brown base_cpu, msr, msr & 0x2 ? "EN" : "DIS"); 132567920418SLen Brown 1326fcd17211SLen Brown return; 1327fcd17211SLen Brown } 1328fcd17211SLen Brown 1329fcd17211SLen Brown static void 1330fcd17211SLen Brown dump_hsw_turbo_ratio_limits(void) 1331fcd17211SLen Brown { 1332fcd17211SLen Brown unsigned long long msr; 1333fcd17211SLen Brown unsigned int ratio; 1334fcd17211SLen Brown 13357ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr); 1336fcd17211SLen Brown 1337b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr); 1338fcd17211SLen Brown 1339fcd17211SLen Brown ratio = (msr >> 8) & 0xFF; 1340fcd17211SLen Brown if (ratio) 1341b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 18 active cores\n", 1342fcd17211SLen Brown ratio, bclk, ratio * bclk); 1343fcd17211SLen Brown 1344fcd17211SLen Brown ratio = (msr >> 0) & 0xFF; 1345fcd17211SLen Brown if (ratio) 1346b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 17 active cores\n", 1347fcd17211SLen Brown ratio, bclk, ratio * bclk); 1348fcd17211SLen Brown return; 1349fcd17211SLen Brown } 1350fcd17211SLen Brown 1351fcd17211SLen Brown static void 1352fcd17211SLen Brown dump_ivt_turbo_ratio_limits(void) 1353fcd17211SLen Brown { 1354fcd17211SLen Brown unsigned long long msr; 1355fcd17211SLen Brown unsigned int ratio; 13566574a5d5SLen Brown 13577ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr); 13586574a5d5SLen Brown 1359b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr); 13606574a5d5SLen Brown 13616574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 13626574a5d5SLen Brown if (ratio) 1363b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 16 active cores\n", 13646574a5d5SLen Brown ratio, bclk, ratio * bclk); 13656574a5d5SLen Brown 13666574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 13676574a5d5SLen Brown if (ratio) 1368b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 15 active cores\n", 13696574a5d5SLen Brown ratio, bclk, ratio * bclk); 13706574a5d5SLen Brown 13716574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 13726574a5d5SLen Brown if (ratio) 1373b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 14 active cores\n", 13746574a5d5SLen Brown ratio, bclk, ratio * bclk); 13756574a5d5SLen Brown 13766574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 13776574a5d5SLen Brown if (ratio) 1378b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 13 active cores\n", 13796574a5d5SLen Brown ratio, bclk, ratio * bclk); 13806574a5d5SLen Brown 13816574a5d5SLen Brown ratio = (msr >> 24) & 0xFF; 13826574a5d5SLen Brown if (ratio) 1383b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 12 active cores\n", 13846574a5d5SLen Brown ratio, bclk, ratio * bclk); 13856574a5d5SLen Brown 13866574a5d5SLen Brown ratio = (msr >> 16) & 0xFF; 13876574a5d5SLen Brown if (ratio) 1388b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 11 active cores\n", 13896574a5d5SLen Brown ratio, bclk, ratio * bclk); 13906574a5d5SLen Brown 13916574a5d5SLen Brown ratio = (msr >> 8) & 0xFF; 13926574a5d5SLen Brown if (ratio) 1393b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 10 active cores\n", 13946574a5d5SLen Brown ratio, bclk, ratio * bclk); 13956574a5d5SLen Brown 13966574a5d5SLen Brown ratio = (msr >> 0) & 0xFF; 13976574a5d5SLen Brown if (ratio) 1398b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 9 active cores\n", 13996574a5d5SLen Brown ratio, bclk, ratio * bclk); 1400103a8feaSLen Brown return; 1401fcd17211SLen Brown } 1402fcd17211SLen Brown 1403fcd17211SLen Brown static void 1404fcd17211SLen Brown dump_nhm_turbo_ratio_limits(void) 1405fcd17211SLen Brown { 1406fcd17211SLen Brown unsigned long long msr; 1407fcd17211SLen Brown unsigned int ratio; 1408103a8feaSLen Brown 14097ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); 1410103a8feaSLen Brown 1411b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr); 14126574a5d5SLen Brown 14136574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 14146574a5d5SLen Brown if (ratio) 1415b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 8 active cores\n", 14166574a5d5SLen Brown ratio, bclk, ratio * bclk); 14176574a5d5SLen Brown 14186574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 14196574a5d5SLen Brown if (ratio) 1420b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 7 active cores\n", 14216574a5d5SLen Brown ratio, bclk, ratio * bclk); 14226574a5d5SLen Brown 14236574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 14246574a5d5SLen Brown if (ratio) 1425b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 6 active cores\n", 14266574a5d5SLen Brown ratio, bclk, ratio * bclk); 14276574a5d5SLen Brown 14286574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 14296574a5d5SLen Brown if (ratio) 1430b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 5 active cores\n", 14316574a5d5SLen Brown ratio, bclk, ratio * bclk); 14326574a5d5SLen Brown 1433103a8feaSLen Brown ratio = (msr >> 24) & 0xFF; 1434103a8feaSLen Brown if (ratio) 1435b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 4 active cores\n", 1436103a8feaSLen Brown ratio, bclk, ratio * bclk); 1437103a8feaSLen Brown 1438103a8feaSLen Brown ratio = (msr >> 16) & 0xFF; 1439103a8feaSLen Brown if (ratio) 1440b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 3 active cores\n", 1441103a8feaSLen Brown ratio, bclk, ratio * bclk); 1442103a8feaSLen Brown 1443103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1444103a8feaSLen Brown if (ratio) 1445b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 2 active cores\n", 1446103a8feaSLen Brown ratio, bclk, ratio * bclk); 1447103a8feaSLen Brown 1448103a8feaSLen Brown ratio = (msr >> 0) & 0xFF; 1449103a8feaSLen Brown if (ratio) 1450b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 1 active cores\n", 1451103a8feaSLen Brown ratio, bclk, ratio * bclk); 1452fcd17211SLen Brown return; 1453fcd17211SLen Brown } 14543a9a941dSLen Brown 1455fcd17211SLen Brown static void 1456fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(void) 1457fb5d4327SDasaratharaman Chandramouli { 1458cbf97abaSHubert Chrzaniuk const unsigned int buckets_no = 7; 1459cbf97abaSHubert Chrzaniuk 1460fb5d4327SDasaratharaman Chandramouli unsigned long long msr; 1461cbf97abaSHubert Chrzaniuk int delta_cores, delta_ratio; 1462cbf97abaSHubert Chrzaniuk int i, b_nr; 1463cbf97abaSHubert Chrzaniuk unsigned int cores[buckets_no]; 1464cbf97abaSHubert Chrzaniuk unsigned int ratio[buckets_no]; 1465fb5d4327SDasaratharaman Chandramouli 1466ebf5926aSSrinivas Pandruvada get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); 1467fb5d4327SDasaratharaman Chandramouli 1468b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", 1469bfae2052SLen Brown base_cpu, msr); 1470fb5d4327SDasaratharaman Chandramouli 1471fb5d4327SDasaratharaman Chandramouli /** 1472fb5d4327SDasaratharaman Chandramouli * Turbo encoding in KNL is as follows: 1473cbf97abaSHubert Chrzaniuk * [0] -- Reserved 1474cbf97abaSHubert Chrzaniuk * [7:1] -- Base value of number of active cores of bucket 1. 1475fb5d4327SDasaratharaman Chandramouli * [15:8] -- Base value of freq ratio of bucket 1. 1476fb5d4327SDasaratharaman Chandramouli * [20:16] -- +ve delta of number of active cores of bucket 2. 1477fb5d4327SDasaratharaman Chandramouli * i.e. active cores of bucket 2 = 1478fb5d4327SDasaratharaman Chandramouli * active cores of bucket 1 + delta 1479fb5d4327SDasaratharaman Chandramouli * [23:21] -- Negative delta of freq ratio of bucket 2. 1480fb5d4327SDasaratharaman Chandramouli * i.e. freq ratio of bucket 2 = 1481fb5d4327SDasaratharaman Chandramouli * freq ratio of bucket 1 - delta 1482fb5d4327SDasaratharaman Chandramouli * [28:24]-- +ve delta of number of active cores of bucket 3. 1483fb5d4327SDasaratharaman Chandramouli * [31:29]-- -ve delta of freq ratio of bucket 3. 1484fb5d4327SDasaratharaman Chandramouli * [36:32]-- +ve delta of number of active cores of bucket 4. 1485fb5d4327SDasaratharaman Chandramouli * [39:37]-- -ve delta of freq ratio of bucket 4. 1486fb5d4327SDasaratharaman Chandramouli * [44:40]-- +ve delta of number of active cores of bucket 5. 1487fb5d4327SDasaratharaman Chandramouli * [47:45]-- -ve delta of freq ratio of bucket 5. 1488fb5d4327SDasaratharaman Chandramouli * [52:48]-- +ve delta of number of active cores of bucket 6. 1489fb5d4327SDasaratharaman Chandramouli * [55:53]-- -ve delta of freq ratio of bucket 6. 1490fb5d4327SDasaratharaman Chandramouli * [60:56]-- +ve delta of number of active cores of bucket 7. 1491fb5d4327SDasaratharaman Chandramouli * [63:61]-- -ve delta of freq ratio of bucket 7. 1492fb5d4327SDasaratharaman Chandramouli */ 1493fb5d4327SDasaratharaman Chandramouli 1494cbf97abaSHubert Chrzaniuk b_nr = 0; 1495cbf97abaSHubert Chrzaniuk cores[b_nr] = (msr & 0xFF) >> 1; 1496cbf97abaSHubert Chrzaniuk ratio[b_nr] = (msr >> 8) & 0xFF; 1497cbf97abaSHubert Chrzaniuk 1498cbf97abaSHubert Chrzaniuk for (i = 16; i < 64; i += 8) { 1499fb5d4327SDasaratharaman Chandramouli delta_cores = (msr >> i) & 0x1F; 1500cbf97abaSHubert Chrzaniuk delta_ratio = (msr >> (i + 5)) & 0x7; 1501fb5d4327SDasaratharaman Chandramouli 1502cbf97abaSHubert Chrzaniuk cores[b_nr + 1] = cores[b_nr] + delta_cores; 1503cbf97abaSHubert Chrzaniuk ratio[b_nr + 1] = ratio[b_nr] - delta_ratio; 1504cbf97abaSHubert Chrzaniuk b_nr++; 1505fb5d4327SDasaratharaman Chandramouli } 1506cbf97abaSHubert Chrzaniuk 1507cbf97abaSHubert Chrzaniuk for (i = buckets_no - 1; i >= 0; i--) 1508cbf97abaSHubert Chrzaniuk if (i > 0 ? ratio[i] != ratio[i - 1] : 1) 1509b7d8c148SLen Brown fprintf(outf, 1510fb5d4327SDasaratharaman Chandramouli "%d * %.0f = %.0f MHz max turbo %d active cores\n", 1511cbf97abaSHubert Chrzaniuk ratio[i], bclk, ratio[i] * bclk, cores[i]); 1512fb5d4327SDasaratharaman Chandramouli } 1513fb5d4327SDasaratharaman Chandramouli 1514fb5d4327SDasaratharaman Chandramouli static void 1515fcd17211SLen Brown dump_nhm_cst_cfg(void) 1516fcd17211SLen Brown { 1517fcd17211SLen Brown unsigned long long msr; 1518fcd17211SLen Brown 15197ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 1520fcd17211SLen Brown 1521fcd17211SLen Brown #define SNB_C1_AUTO_UNDEMOTE (1UL << 27) 1522fcd17211SLen Brown #define SNB_C3_AUTO_UNDEMOTE (1UL << 28) 1523fcd17211SLen Brown 1524b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", base_cpu, msr); 1525fcd17211SLen Brown 1526b7d8c148SLen Brown fprintf(outf, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n", 1527fcd17211SLen Brown (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "", 1528fcd17211SLen Brown (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "", 1529fcd17211SLen Brown (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "", 1530fcd17211SLen Brown (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "", 1531fcd17211SLen Brown (msr & (1 << 15)) ? "" : "UN", 15326c34f160SLen Brown (unsigned int)msr & 0xF, 1533fcd17211SLen Brown pkg_cstate_limit_strings[pkg_cstate_limit]); 1534fcd17211SLen Brown return; 1535103a8feaSLen Brown } 1536103a8feaSLen Brown 15376fb3143bSLen Brown static void 15386fb3143bSLen Brown dump_config_tdp(void) 15396fb3143bSLen Brown { 15406fb3143bSLen Brown unsigned long long msr; 15416fb3143bSLen Brown 15426fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr); 1543b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr); 1544685b535bSChen Yu fprintf(outf, " (base_ratio=%d)\n", (unsigned int)msr & 0xFF); 15456fb3143bSLen Brown 15466fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr); 1547b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr); 15486fb3143bSLen Brown if (msr) { 1549685b535bSChen Yu fprintf(outf, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0x7FFF); 1550685b535bSChen Yu fprintf(outf, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0x7FFF); 1551685b535bSChen Yu fprintf(outf, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF); 1552685b535bSChen Yu fprintf(outf, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0x7FFF); 15536fb3143bSLen Brown } 1554b7d8c148SLen Brown fprintf(outf, ")\n"); 15556fb3143bSLen Brown 15566fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr); 1557b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr); 15586fb3143bSLen Brown if (msr) { 1559685b535bSChen Yu fprintf(outf, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0x7FFF); 1560685b535bSChen Yu fprintf(outf, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0x7FFF); 1561685b535bSChen Yu fprintf(outf, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF); 1562685b535bSChen Yu fprintf(outf, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0x7FFF); 15636fb3143bSLen Brown } 1564b7d8c148SLen Brown fprintf(outf, ")\n"); 15656fb3143bSLen Brown 15666fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr); 1567b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr); 15686fb3143bSLen Brown if ((msr) & 0x3) 1569b7d8c148SLen Brown fprintf(outf, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3); 1570b7d8c148SLen Brown fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 1571b7d8c148SLen Brown fprintf(outf, ")\n"); 15726fb3143bSLen Brown 15736fb3143bSLen Brown get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr); 1574b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr); 1575685b535bSChen Yu fprintf(outf, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0xFF); 1576b7d8c148SLen Brown fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 1577b7d8c148SLen Brown fprintf(outf, ")\n"); 15786fb3143bSLen Brown } 15795a63426eSLen Brown 15805a63426eSLen Brown unsigned int irtl_time_units[] = {1, 32, 1024, 32768, 1048576, 33554432, 0, 0 }; 15815a63426eSLen Brown 15825a63426eSLen Brown void print_irtl(void) 15835a63426eSLen Brown { 15845a63426eSLen Brown unsigned long long msr; 15855a63426eSLen Brown 15865a63426eSLen Brown get_msr(base_cpu, MSR_PKGC3_IRTL, &msr); 15875a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC3_IRTL: 0x%08llx (", base_cpu, msr); 15885a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 15895a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 15905a63426eSLen Brown 15915a63426eSLen Brown get_msr(base_cpu, MSR_PKGC6_IRTL, &msr); 15925a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC6_IRTL: 0x%08llx (", base_cpu, msr); 15935a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 15945a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 15955a63426eSLen Brown 15965a63426eSLen Brown get_msr(base_cpu, MSR_PKGC7_IRTL, &msr); 15975a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC7_IRTL: 0x%08llx (", base_cpu, msr); 15985a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 15995a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 16005a63426eSLen Brown 16015a63426eSLen Brown if (!do_irtl_hsw) 16025a63426eSLen Brown return; 16035a63426eSLen Brown 16045a63426eSLen Brown get_msr(base_cpu, MSR_PKGC8_IRTL, &msr); 16055a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC8_IRTL: 0x%08llx (", base_cpu, msr); 16065a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 16075a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 16085a63426eSLen Brown 16095a63426eSLen Brown get_msr(base_cpu, MSR_PKGC9_IRTL, &msr); 16105a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC9_IRTL: 0x%08llx (", base_cpu, msr); 16115a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 16125a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 16135a63426eSLen Brown 16145a63426eSLen Brown get_msr(base_cpu, MSR_PKGC10_IRTL, &msr); 16155a63426eSLen Brown fprintf(outf, "cpu%d: MSR_PKGC10_IRTL: 0x%08llx (", base_cpu, msr); 16165a63426eSLen Brown fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT", 16175a63426eSLen Brown (msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]); 16185a63426eSLen Brown 16195a63426eSLen Brown } 162036229897SLen Brown void free_fd_percpu(void) 162136229897SLen Brown { 162236229897SLen Brown int i; 162336229897SLen Brown 162401a67adfSMika Westerberg for (i = 0; i < topo.max_cpu_num + 1; ++i) { 162536229897SLen Brown if (fd_percpu[i] != 0) 162636229897SLen Brown close(fd_percpu[i]); 162736229897SLen Brown } 162836229897SLen Brown 162936229897SLen Brown free(fd_percpu); 16306fb3143bSLen Brown } 16316fb3143bSLen Brown 1632c98d5d94SLen Brown void free_all_buffers(void) 1633103a8feaSLen Brown { 1634c98d5d94SLen Brown CPU_FREE(cpu_present_set); 1635c98d5d94SLen Brown cpu_present_set = NULL; 163636229897SLen Brown cpu_present_setsize = 0; 1637103a8feaSLen Brown 1638c98d5d94SLen Brown CPU_FREE(cpu_affinity_set); 1639c98d5d94SLen Brown cpu_affinity_set = NULL; 1640c98d5d94SLen Brown cpu_affinity_setsize = 0; 1641103a8feaSLen Brown 1642c98d5d94SLen Brown free(thread_even); 1643c98d5d94SLen Brown free(core_even); 1644c98d5d94SLen Brown free(package_even); 1645103a8feaSLen Brown 1646c98d5d94SLen Brown thread_even = NULL; 1647c98d5d94SLen Brown core_even = NULL; 1648c98d5d94SLen Brown package_even = NULL; 1649103a8feaSLen Brown 1650c98d5d94SLen Brown free(thread_odd); 1651c98d5d94SLen Brown free(core_odd); 1652c98d5d94SLen Brown free(package_odd); 1653103a8feaSLen Brown 1654c98d5d94SLen Brown thread_odd = NULL; 1655c98d5d94SLen Brown core_odd = NULL; 1656c98d5d94SLen Brown package_odd = NULL; 1657103a8feaSLen Brown 1658c98d5d94SLen Brown free(output_buffer); 1659c98d5d94SLen Brown output_buffer = NULL; 1660c98d5d94SLen Brown outp = NULL; 166136229897SLen Brown 166236229897SLen Brown free_fd_percpu(); 1663562a2d37SLen Brown 1664562a2d37SLen Brown free(irq_column_2_cpu); 1665562a2d37SLen Brown free(irqs_per_cpu); 1666103a8feaSLen Brown } 1667103a8feaSLen Brown 1668103a8feaSLen Brown /* 166957a42a34SJosh Triplett * Open a file, and exit on failure 167057a42a34SJosh Triplett */ 167157a42a34SJosh Triplett FILE *fopen_or_die(const char *path, const char *mode) 167257a42a34SJosh Triplett { 1673b7d8c148SLen Brown FILE *filep = fopen(path, mode); 1674b2c95d90SJosh Triplett if (!filep) 1675b2c95d90SJosh Triplett err(1, "%s: open failed", path); 167657a42a34SJosh Triplett return filep; 167757a42a34SJosh Triplett } 167857a42a34SJosh Triplett 167957a42a34SJosh Triplett /* 168095aebc44SJosh Triplett * Parse a file containing a single int. 168195aebc44SJosh Triplett */ 168295aebc44SJosh Triplett int parse_int_file(const char *fmt, ...) 168395aebc44SJosh Triplett { 168495aebc44SJosh Triplett va_list args; 168595aebc44SJosh Triplett char path[PATH_MAX]; 168695aebc44SJosh Triplett FILE *filep; 168795aebc44SJosh Triplett int value; 168895aebc44SJosh Triplett 168995aebc44SJosh Triplett va_start(args, fmt); 169095aebc44SJosh Triplett vsnprintf(path, sizeof(path), fmt, args); 169195aebc44SJosh Triplett va_end(args); 169257a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1693b2c95d90SJosh Triplett if (fscanf(filep, "%d", &value) != 1) 1694b2c95d90SJosh Triplett err(1, "%s: failed to parse number from file", path); 169595aebc44SJosh Triplett fclose(filep); 169695aebc44SJosh Triplett return value; 169795aebc44SJosh Triplett } 169895aebc44SJosh Triplett 169995aebc44SJosh Triplett /* 1700e275b388SDasaratharaman Chandramouli * get_cpu_position_in_core(cpu) 1701e275b388SDasaratharaman Chandramouli * return the position of the CPU among its HT siblings in the core 1702e275b388SDasaratharaman Chandramouli * return -1 if the sibling is not in list 1703103a8feaSLen Brown */ 1704e275b388SDasaratharaman Chandramouli int get_cpu_position_in_core(int cpu) 1705103a8feaSLen Brown { 1706e275b388SDasaratharaman Chandramouli char path[64]; 1707e275b388SDasaratharaman Chandramouli FILE *filep; 1708e275b388SDasaratharaman Chandramouli int this_cpu; 1709e275b388SDasaratharaman Chandramouli char character; 1710e275b388SDasaratharaman Chandramouli int i; 1711e275b388SDasaratharaman Chandramouli 1712e275b388SDasaratharaman Chandramouli sprintf(path, 1713e275b388SDasaratharaman Chandramouli "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", 1714e275b388SDasaratharaman Chandramouli cpu); 1715e275b388SDasaratharaman Chandramouli filep = fopen(path, "r"); 1716e275b388SDasaratharaman Chandramouli if (filep == NULL) { 1717e275b388SDasaratharaman Chandramouli perror(path); 1718e275b388SDasaratharaman Chandramouli exit(1); 1719e275b388SDasaratharaman Chandramouli } 1720e275b388SDasaratharaman Chandramouli 1721e275b388SDasaratharaman Chandramouli for (i = 0; i < topo.num_threads_per_core; i++) { 1722e275b388SDasaratharaman Chandramouli fscanf(filep, "%d", &this_cpu); 1723e275b388SDasaratharaman Chandramouli if (this_cpu == cpu) { 1724e275b388SDasaratharaman Chandramouli fclose(filep); 1725e275b388SDasaratharaman Chandramouli return i; 1726e275b388SDasaratharaman Chandramouli } 1727e275b388SDasaratharaman Chandramouli 1728e275b388SDasaratharaman Chandramouli /* Account for no separator after last thread*/ 1729e275b388SDasaratharaman Chandramouli if (i != (topo.num_threads_per_core - 1)) 1730e275b388SDasaratharaman Chandramouli fscanf(filep, "%c", &character); 1731e275b388SDasaratharaman Chandramouli } 1732e275b388SDasaratharaman Chandramouli 1733e275b388SDasaratharaman Chandramouli fclose(filep); 1734e275b388SDasaratharaman Chandramouli return -1; 1735c98d5d94SLen Brown } 1736103a8feaSLen Brown 1737c98d5d94SLen Brown /* 1738c98d5d94SLen Brown * cpu_is_first_core_in_package(cpu) 1739c98d5d94SLen Brown * return 1 if given CPU is 1st core in package 1740c98d5d94SLen Brown */ 1741c98d5d94SLen Brown int cpu_is_first_core_in_package(int cpu) 1742c98d5d94SLen Brown { 174395aebc44SJosh Triplett return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu); 1744103a8feaSLen Brown } 1745103a8feaSLen Brown 1746103a8feaSLen Brown int get_physical_package_id(int cpu) 1747103a8feaSLen Brown { 174895aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu); 1749103a8feaSLen Brown } 1750103a8feaSLen Brown 1751103a8feaSLen Brown int get_core_id(int cpu) 1752103a8feaSLen Brown { 175395aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu); 1754103a8feaSLen Brown } 1755103a8feaSLen Brown 1756c98d5d94SLen Brown int get_num_ht_siblings(int cpu) 1757c98d5d94SLen Brown { 1758c98d5d94SLen Brown char path[80]; 1759c98d5d94SLen Brown FILE *filep; 1760e275b388SDasaratharaman Chandramouli int sib1; 1761e275b388SDasaratharaman Chandramouli int matches = 0; 1762c98d5d94SLen Brown char character; 1763e275b388SDasaratharaman Chandramouli char str[100]; 1764e275b388SDasaratharaman Chandramouli char *ch; 1765c98d5d94SLen Brown 1766c98d5d94SLen Brown sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); 176757a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1768e275b388SDasaratharaman Chandramouli 1769103a8feaSLen Brown /* 1770c98d5d94SLen Brown * file format: 1771e275b388SDasaratharaman Chandramouli * A ',' separated or '-' separated set of numbers 1772e275b388SDasaratharaman Chandramouli * (eg 1-2 or 1,3,4,5) 1773c98d5d94SLen Brown */ 1774e275b388SDasaratharaman Chandramouli fscanf(filep, "%d%c\n", &sib1, &character); 1775e275b388SDasaratharaman Chandramouli fseek(filep, 0, SEEK_SET); 1776e275b388SDasaratharaman Chandramouli fgets(str, 100, filep); 1777e275b388SDasaratharaman Chandramouli ch = strchr(str, character); 1778e275b388SDasaratharaman Chandramouli while (ch != NULL) { 1779e275b388SDasaratharaman Chandramouli matches++; 1780e275b388SDasaratharaman Chandramouli ch = strchr(ch+1, character); 1781e275b388SDasaratharaman Chandramouli } 1782c98d5d94SLen Brown 1783c98d5d94SLen Brown fclose(filep); 1784e275b388SDasaratharaman Chandramouli return matches+1; 1785c98d5d94SLen Brown } 1786c98d5d94SLen Brown 1787c98d5d94SLen Brown /* 1788c98d5d94SLen Brown * run func(thread, core, package) in topology order 1789c98d5d94SLen Brown * skip non-present cpus 1790103a8feaSLen Brown */ 1791103a8feaSLen Brown 1792c98d5d94SLen Brown int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *, 1793c98d5d94SLen Brown struct pkg_data *, struct thread_data *, struct core_data *, 1794c98d5d94SLen Brown struct pkg_data *), struct thread_data *thread_base, 1795c98d5d94SLen Brown struct core_data *core_base, struct pkg_data *pkg_base, 1796c98d5d94SLen Brown struct thread_data *thread_base2, struct core_data *core_base2, 1797c98d5d94SLen Brown struct pkg_data *pkg_base2) 1798c98d5d94SLen Brown { 1799c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 1800c98d5d94SLen Brown 1801c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 1802c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 1803c98d5d94SLen Brown for (thread_no = 0; thread_no < 1804c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 1805c98d5d94SLen Brown struct thread_data *t, *t2; 1806c98d5d94SLen Brown struct core_data *c, *c2; 1807c98d5d94SLen Brown struct pkg_data *p, *p2; 1808c98d5d94SLen Brown 1809c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 1810c98d5d94SLen Brown 1811c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 1812c98d5d94SLen Brown continue; 1813c98d5d94SLen Brown 1814c98d5d94SLen Brown t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no); 1815c98d5d94SLen Brown 1816c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 1817c98d5d94SLen Brown c2 = GET_CORE(core_base2, core_no, pkg_no); 1818c98d5d94SLen Brown 1819c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 1820c98d5d94SLen Brown p2 = GET_PKG(pkg_base2, pkg_no); 1821c98d5d94SLen Brown 1822c98d5d94SLen Brown retval = func(t, c, p, t2, c2, p2); 1823c98d5d94SLen Brown if (retval) 1824c98d5d94SLen Brown return retval; 1825c98d5d94SLen Brown } 1826c98d5d94SLen Brown } 1827c98d5d94SLen Brown } 1828c98d5d94SLen Brown return 0; 1829c98d5d94SLen Brown } 1830c98d5d94SLen Brown 1831c98d5d94SLen Brown /* 1832c98d5d94SLen Brown * run func(cpu) on every cpu in /proc/stat 1833c98d5d94SLen Brown * return max_cpu number 1834c98d5d94SLen Brown */ 1835c98d5d94SLen Brown int for_all_proc_cpus(int (func)(int)) 1836103a8feaSLen Brown { 1837103a8feaSLen Brown FILE *fp; 1838c98d5d94SLen Brown int cpu_num; 1839103a8feaSLen Brown int retval; 1840103a8feaSLen Brown 184157a42a34SJosh Triplett fp = fopen_or_die(proc_stat, "r"); 1842103a8feaSLen Brown 1843103a8feaSLen Brown retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n"); 1844b2c95d90SJosh Triplett if (retval != 0) 1845b2c95d90SJosh Triplett err(1, "%s: failed to parse format", proc_stat); 1846103a8feaSLen Brown 1847c98d5d94SLen Brown while (1) { 1848c98d5d94SLen Brown retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num); 1849103a8feaSLen Brown if (retval != 1) 1850103a8feaSLen Brown break; 1851103a8feaSLen Brown 1852c98d5d94SLen Brown retval = func(cpu_num); 1853c98d5d94SLen Brown if (retval) { 1854c98d5d94SLen Brown fclose(fp); 1855c98d5d94SLen Brown return(retval); 1856c98d5d94SLen Brown } 1857103a8feaSLen Brown } 1858103a8feaSLen Brown fclose(fp); 1859c98d5d94SLen Brown return 0; 1860103a8feaSLen Brown } 1861103a8feaSLen Brown 1862103a8feaSLen Brown void re_initialize(void) 1863103a8feaSLen Brown { 1864c98d5d94SLen Brown free_all_buffers(); 1865c98d5d94SLen Brown setup_all_buffers(); 1866c98d5d94SLen Brown printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus); 1867103a8feaSLen Brown } 1868103a8feaSLen Brown 1869c98d5d94SLen Brown 1870103a8feaSLen Brown /* 1871c98d5d94SLen Brown * count_cpus() 1872c98d5d94SLen Brown * remember the last one seen, it will be the max 1873103a8feaSLen Brown */ 1874c98d5d94SLen Brown int count_cpus(int cpu) 1875103a8feaSLen Brown { 1876c98d5d94SLen Brown if (topo.max_cpu_num < cpu) 1877c98d5d94SLen Brown topo.max_cpu_num = cpu; 1878103a8feaSLen Brown 1879c98d5d94SLen Brown topo.num_cpus += 1; 1880c98d5d94SLen Brown return 0; 1881103a8feaSLen Brown } 1882c98d5d94SLen Brown int mark_cpu_present(int cpu) 1883c98d5d94SLen Brown { 1884c98d5d94SLen Brown CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set); 188515aaa346SLen Brown return 0; 1886103a8feaSLen Brown } 1887103a8feaSLen Brown 1888562a2d37SLen Brown /* 1889562a2d37SLen Brown * snapshot_proc_interrupts() 1890562a2d37SLen Brown * 1891562a2d37SLen Brown * read and record summary of /proc/interrupts 1892562a2d37SLen Brown * 1893562a2d37SLen Brown * return 1 if config change requires a restart, else return 0 1894562a2d37SLen Brown */ 1895562a2d37SLen Brown int snapshot_proc_interrupts(void) 1896562a2d37SLen Brown { 1897562a2d37SLen Brown static FILE *fp; 1898562a2d37SLen Brown int column, retval; 1899562a2d37SLen Brown 1900562a2d37SLen Brown if (fp == NULL) 1901562a2d37SLen Brown fp = fopen_or_die("/proc/interrupts", "r"); 1902562a2d37SLen Brown else 1903562a2d37SLen Brown rewind(fp); 1904562a2d37SLen Brown 1905562a2d37SLen Brown /* read 1st line of /proc/interrupts to get cpu* name for each column */ 1906562a2d37SLen Brown for (column = 0; column < topo.num_cpus; ++column) { 1907562a2d37SLen Brown int cpu_number; 1908562a2d37SLen Brown 1909562a2d37SLen Brown retval = fscanf(fp, " CPU%d", &cpu_number); 1910562a2d37SLen Brown if (retval != 1) 1911562a2d37SLen Brown break; 1912562a2d37SLen Brown 1913562a2d37SLen Brown if (cpu_number > topo.max_cpu_num) { 1914562a2d37SLen Brown warn("/proc/interrupts: cpu%d: > %d", cpu_number, topo.max_cpu_num); 1915562a2d37SLen Brown return 1; 1916562a2d37SLen Brown } 1917562a2d37SLen Brown 1918562a2d37SLen Brown irq_column_2_cpu[column] = cpu_number; 1919562a2d37SLen Brown irqs_per_cpu[cpu_number] = 0; 1920562a2d37SLen Brown } 1921562a2d37SLen Brown 1922562a2d37SLen Brown /* read /proc/interrupt count lines and sum up irqs per cpu */ 1923562a2d37SLen Brown while (1) { 1924562a2d37SLen Brown int column; 1925562a2d37SLen Brown char buf[64]; 1926562a2d37SLen Brown 1927562a2d37SLen Brown retval = fscanf(fp, " %s:", buf); /* flush irq# "N:" */ 1928562a2d37SLen Brown if (retval != 1) 1929562a2d37SLen Brown break; 1930562a2d37SLen Brown 1931562a2d37SLen Brown /* read the count per cpu */ 1932562a2d37SLen Brown for (column = 0; column < topo.num_cpus; ++column) { 1933562a2d37SLen Brown 1934562a2d37SLen Brown int cpu_number, irq_count; 1935562a2d37SLen Brown 1936562a2d37SLen Brown retval = fscanf(fp, " %d", &irq_count); 1937562a2d37SLen Brown if (retval != 1) 1938562a2d37SLen Brown break; 1939562a2d37SLen Brown 1940562a2d37SLen Brown cpu_number = irq_column_2_cpu[column]; 1941562a2d37SLen Brown irqs_per_cpu[cpu_number] += irq_count; 1942562a2d37SLen Brown 1943562a2d37SLen Brown } 1944562a2d37SLen Brown 1945562a2d37SLen Brown while (getc(fp) != '\n') 1946562a2d37SLen Brown ; /* flush interrupt description */ 1947562a2d37SLen Brown 1948562a2d37SLen Brown } 1949562a2d37SLen Brown return 0; 1950562a2d37SLen Brown } 195127d47356SLen Brown /* 1952fdf676e5SLen Brown * snapshot_gfx_rc6_ms() 1953fdf676e5SLen Brown * 1954fdf676e5SLen Brown * record snapshot of 1955fdf676e5SLen Brown * /sys/class/drm/card0/power/rc6_residency_ms 1956fdf676e5SLen Brown * 1957fdf676e5SLen Brown * return 1 if config change requires a restart, else return 0 1958fdf676e5SLen Brown */ 1959fdf676e5SLen Brown int snapshot_gfx_rc6_ms(void) 1960fdf676e5SLen Brown { 1961fdf676e5SLen Brown FILE *fp; 1962fdf676e5SLen Brown int retval; 1963fdf676e5SLen Brown 1964fdf676e5SLen Brown fp = fopen_or_die("/sys/class/drm/card0/power/rc6_residency_ms", "r"); 1965fdf676e5SLen Brown 1966fdf676e5SLen Brown retval = fscanf(fp, "%lld", &gfx_cur_rc6_ms); 1967fdf676e5SLen Brown if (retval != 1) 1968fdf676e5SLen Brown err(1, "GFX rc6"); 1969fdf676e5SLen Brown 1970fdf676e5SLen Brown fclose(fp); 1971fdf676e5SLen Brown 1972fdf676e5SLen Brown return 0; 1973fdf676e5SLen Brown } 1974fdf676e5SLen Brown /* 197527d47356SLen Brown * snapshot_gfx_mhz() 197627d47356SLen Brown * 197727d47356SLen Brown * record snapshot of 197827d47356SLen Brown * /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz 197927d47356SLen Brown * 198027d47356SLen Brown * return 1 if config change requires a restart, else return 0 198127d47356SLen Brown */ 198227d47356SLen Brown int snapshot_gfx_mhz(void) 198327d47356SLen Brown { 198427d47356SLen Brown static FILE *fp; 198527d47356SLen Brown int retval; 198627d47356SLen Brown 198727d47356SLen Brown if (fp == NULL) 198827d47356SLen Brown fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r"); 198927d47356SLen Brown else 199027d47356SLen Brown rewind(fp); 199127d47356SLen Brown 199227d47356SLen Brown retval = fscanf(fp, "%d", &gfx_cur_mhz); 199327d47356SLen Brown if (retval != 1) 199427d47356SLen Brown err(1, "GFX MHz"); 199527d47356SLen Brown 199627d47356SLen Brown return 0; 199727d47356SLen Brown } 1998562a2d37SLen Brown 1999562a2d37SLen Brown /* 2000562a2d37SLen Brown * snapshot /proc and /sys files 2001562a2d37SLen Brown * 2002562a2d37SLen Brown * return 1 if configuration restart needed, else return 0 2003562a2d37SLen Brown */ 2004562a2d37SLen Brown int snapshot_proc_sysfs_files(void) 2005562a2d37SLen Brown { 2006562a2d37SLen Brown if (snapshot_proc_interrupts()) 2007562a2d37SLen Brown return 1; 2008562a2d37SLen Brown 2009fdf676e5SLen Brown if (do_gfx_rc6_ms) 2010fdf676e5SLen Brown snapshot_gfx_rc6_ms(); 2011fdf676e5SLen Brown 201227d47356SLen Brown if (do_gfx_mhz) 201327d47356SLen Brown snapshot_gfx_mhz(); 201427d47356SLen Brown 2015562a2d37SLen Brown return 0; 2016562a2d37SLen Brown } 2017562a2d37SLen Brown 2018103a8feaSLen Brown void turbostat_loop() 2019103a8feaSLen Brown { 2020c98d5d94SLen Brown int retval; 2021e52966c0SLen Brown int restarted = 0; 2022c98d5d94SLen Brown 2023103a8feaSLen Brown restart: 2024e52966c0SLen Brown restarted++; 2025e52966c0SLen Brown 2026562a2d37SLen Brown snapshot_proc_sysfs_files(); 2027c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 2028d91bb17cSLen Brown if (retval < -1) { 2029d91bb17cSLen Brown exit(retval); 2030d91bb17cSLen Brown } else if (retval == -1) { 2031e52966c0SLen Brown if (restarted > 1) { 2032e52966c0SLen Brown exit(retval); 2033e52966c0SLen Brown } 2034c98d5d94SLen Brown re_initialize(); 2035c98d5d94SLen Brown goto restart; 2036c98d5d94SLen Brown } 2037e52966c0SLen Brown restarted = 0; 2038103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 2039103a8feaSLen Brown 2040103a8feaSLen Brown while (1) { 2041c98d5d94SLen Brown if (for_all_proc_cpus(cpu_is_not_present)) { 2042103a8feaSLen Brown re_initialize(); 2043103a8feaSLen Brown goto restart; 2044103a8feaSLen Brown } 20452a0609c0SLen Brown nanosleep(&interval_ts, NULL); 2046562a2d37SLen Brown if (snapshot_proc_sysfs_files()) 2047562a2d37SLen Brown goto restart; 2048c98d5d94SLen Brown retval = for_all_cpus(get_counters, ODD_COUNTERS); 2049d91bb17cSLen Brown if (retval < -1) { 2050d91bb17cSLen Brown exit(retval); 2051d91bb17cSLen Brown } else if (retval == -1) { 205215aaa346SLen Brown re_initialize(); 205315aaa346SLen Brown goto restart; 205415aaa346SLen Brown } 2055103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 2056103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 2057ba3dec99SLen Brown if (for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS)) { 2058ba3dec99SLen Brown re_initialize(); 2059ba3dec99SLen Brown goto restart; 2060ba3dec99SLen Brown } 2061c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 2062c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 2063b7d8c148SLen Brown flush_output_stdout(); 20642a0609c0SLen Brown nanosleep(&interval_ts, NULL); 2065562a2d37SLen Brown if (snapshot_proc_sysfs_files()) 2066562a2d37SLen Brown goto restart; 2067c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 2068d91bb17cSLen Brown if (retval < -1) { 2069d91bb17cSLen Brown exit(retval); 2070d91bb17cSLen Brown } else if (retval == -1) { 2071103a8feaSLen Brown re_initialize(); 2072103a8feaSLen Brown goto restart; 2073103a8feaSLen Brown } 2074103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 2075103a8feaSLen Brown timersub(&tv_even, &tv_odd, &tv_delta); 2076ba3dec99SLen Brown if (for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS)) { 2077ba3dec99SLen Brown re_initialize(); 2078ba3dec99SLen Brown goto restart; 2079ba3dec99SLen Brown } 2080c98d5d94SLen Brown compute_average(ODD_COUNTERS); 2081c98d5d94SLen Brown format_all_counters(ODD_COUNTERS); 2082b7d8c148SLen Brown flush_output_stdout(); 2083103a8feaSLen Brown } 2084103a8feaSLen Brown } 2085103a8feaSLen Brown 2086103a8feaSLen Brown void check_dev_msr() 2087103a8feaSLen Brown { 2088103a8feaSLen Brown struct stat sb; 20897ce7d5deSPrarit Bhargava char pathname[32]; 2090103a8feaSLen Brown 20917ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 20927ce7d5deSPrarit Bhargava if (stat(pathname, &sb)) 2093a21d38c8SLen Brown if (system("/sbin/modprobe msr > /dev/null 2>&1")) 2094d7899447SLen Brown err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" "); 2095103a8feaSLen Brown } 2096103a8feaSLen Brown 209798481e79SLen Brown void check_permissions() 2098103a8feaSLen Brown { 209998481e79SLen Brown struct __user_cap_header_struct cap_header_data; 210098481e79SLen Brown cap_user_header_t cap_header = &cap_header_data; 210198481e79SLen Brown struct __user_cap_data_struct cap_data_data; 210298481e79SLen Brown cap_user_data_t cap_data = &cap_data_data; 210398481e79SLen Brown extern int capget(cap_user_header_t hdrp, cap_user_data_t datap); 210498481e79SLen Brown int do_exit = 0; 21057ce7d5deSPrarit Bhargava char pathname[32]; 210698481e79SLen Brown 210798481e79SLen Brown /* check for CAP_SYS_RAWIO */ 210898481e79SLen Brown cap_header->pid = getpid(); 210998481e79SLen Brown cap_header->version = _LINUX_CAPABILITY_VERSION; 211098481e79SLen Brown if (capget(cap_header, cap_data) < 0) 211198481e79SLen Brown err(-6, "capget(2) failed"); 211298481e79SLen Brown 211398481e79SLen Brown if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) { 211498481e79SLen Brown do_exit++; 211598481e79SLen Brown warnx("capget(CAP_SYS_RAWIO) failed," 211698481e79SLen Brown " try \"# setcap cap_sys_rawio=ep %s\"", progname); 211798481e79SLen Brown } 211898481e79SLen Brown 211998481e79SLen Brown /* test file permissions */ 21207ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 21217ce7d5deSPrarit Bhargava if (euidaccess(pathname, R_OK)) { 212298481e79SLen Brown do_exit++; 212398481e79SLen Brown warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr"); 212498481e79SLen Brown } 212598481e79SLen Brown 212698481e79SLen Brown /* if all else fails, thell them to be root */ 212798481e79SLen Brown if (do_exit) 2128b2c95d90SJosh Triplett if (getuid() != 0) 2129d7899447SLen Brown warnx("... or simply run as root"); 213098481e79SLen Brown 213198481e79SLen Brown if (do_exit) 213298481e79SLen Brown exit(-6); 2133103a8feaSLen Brown } 2134103a8feaSLen Brown 2135d7899447SLen Brown /* 2136d7899447SLen Brown * NHM adds support for additional MSRs: 2137d7899447SLen Brown * 2138d7899447SLen Brown * MSR_SMI_COUNT 0x00000034 2139d7899447SLen Brown * 2140ec0adc53SLen Brown * MSR_PLATFORM_INFO 0x000000ce 2141d7899447SLen Brown * MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2 2142d7899447SLen Brown * 2143d7899447SLen Brown * MSR_PKG_C3_RESIDENCY 0x000003f8 2144d7899447SLen Brown * MSR_PKG_C6_RESIDENCY 0x000003f9 2145d7899447SLen Brown * MSR_CORE_C3_RESIDENCY 0x000003fc 2146d7899447SLen Brown * MSR_CORE_C6_RESIDENCY 0x000003fd 2147d7899447SLen Brown * 2148ee7e38e3SLen Brown * Side effect: 2149ee7e38e3SLen Brown * sets global pkg_cstate_limit to decode MSR_NHM_SNB_PKG_CST_CFG_CTL 2150d7899447SLen Brown */ 2151ee7e38e3SLen Brown int probe_nhm_msrs(unsigned int family, unsigned int model) 2152103a8feaSLen Brown { 2153ee7e38e3SLen Brown unsigned long long msr; 215421ed5574SLen Brown unsigned int base_ratio; 2155ee7e38e3SLen Brown int *pkg_cstate_limits; 2156ee7e38e3SLen Brown 2157103a8feaSLen Brown if (!genuine_intel) 2158103a8feaSLen Brown return 0; 2159103a8feaSLen Brown 2160103a8feaSLen Brown if (family != 6) 2161103a8feaSLen Brown return 0; 2162103a8feaSLen Brown 216321ed5574SLen Brown bclk = discover_bclk(family, model); 216421ed5574SLen Brown 2165103a8feaSLen Brown switch (model) { 2166103a8feaSLen Brown case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */ 2167103a8feaSLen Brown case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */ 2168103a8feaSLen Brown case 0x1F: /* Core i7 and i5 Processor - Nehalem */ 2169103a8feaSLen Brown case 0x25: /* Westmere Client - Clarkdale, Arrandale */ 2170103a8feaSLen Brown case 0x2C: /* Westmere EP - Gulftown */ 2171ee7e38e3SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 2172ee7e38e3SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 2173ee7e38e3SLen Brown pkg_cstate_limits = nhm_pkg_cstate_limits; 2174ee7e38e3SLen Brown break; 2175103a8feaSLen Brown case 0x2A: /* SNB */ 2176103a8feaSLen Brown case 0x2D: /* SNB Xeon */ 2177553575f1SLen Brown case 0x3A: /* IVB */ 21781300651bSLen Brown case 0x3E: /* IVB Xeon */ 2179ee7e38e3SLen Brown pkg_cstate_limits = snb_pkg_cstate_limits; 2180ee7e38e3SLen Brown break; 218170b43400SLen Brown case 0x3C: /* HSW */ 2182e6f9bb3cSLen Brown case 0x3F: /* HSX */ 218370b43400SLen Brown case 0x45: /* HSW */ 2184149c2319SLen Brown case 0x46: /* HSW */ 21854e8e863fSLen Brown case 0x3D: /* BDW */ 218648a0631cSLen Brown case 0x47: /* BDW */ 21874e8e863fSLen Brown case 0x4F: /* BDX */ 21884e8e863fSLen Brown case 0x56: /* BDX-DE */ 21890b2bb692SLen Brown case 0x4E: /* SKL */ 21900b2bb692SLen Brown case 0x5E: /* SKL */ 2191cdc57272SLen Brown case 0x8E: /* KBL */ 2192cdc57272SLen Brown case 0x9E: /* KBL */ 2193ec53e594SLen Brown case 0x55: /* SKX */ 2194ee7e38e3SLen Brown pkg_cstate_limits = hsw_pkg_cstate_limits; 2195ee7e38e3SLen Brown break; 2196ee7e38e3SLen Brown case 0x37: /* BYT */ 2197ee7e38e3SLen Brown case 0x4D: /* AVN */ 2198ee7e38e3SLen Brown pkg_cstate_limits = slv_pkg_cstate_limits; 2199ee7e38e3SLen Brown break; 2200ee7e38e3SLen Brown case 0x4C: /* AMT */ 2201ee7e38e3SLen Brown pkg_cstate_limits = amt_pkg_cstate_limits; 2202ee7e38e3SLen Brown break; 2203ee7e38e3SLen Brown case 0x57: /* PHI */ 2204ee7e38e3SLen Brown pkg_cstate_limits = phi_pkg_cstate_limits; 2205ee7e38e3SLen Brown break; 2206e4085d54SLen Brown case 0x5C: /* BXT */ 22072c48c990SJacob Pan case 0x5F: /* DNV */ 2208e4085d54SLen Brown pkg_cstate_limits = bxt_pkg_cstate_limits; 2209e4085d54SLen Brown break; 2210103a8feaSLen Brown default: 2211103a8feaSLen Brown return 0; 2212103a8feaSLen Brown } 22137ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 2214e9257f5fSLen Brown pkg_cstate_limit = pkg_cstate_limits[msr & 0xF]; 2215ee7e38e3SLen Brown 2216ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 221721ed5574SLen Brown base_ratio = (msr >> 8) & 0xFF; 221821ed5574SLen Brown 221921ed5574SLen Brown base_hz = base_ratio * bclk * 1000000; 222021ed5574SLen Brown has_base_hz = 1; 2221ee7e38e3SLen Brown return 1; 2222103a8feaSLen Brown } 2223d7899447SLen Brown int has_nhm_turbo_ratio_limit(unsigned int family, unsigned int model) 2224d7899447SLen Brown { 2225d7899447SLen Brown switch (model) { 2226d7899447SLen Brown /* Nehalem compatible, but do not include turbo-ratio limit support */ 2227d7899447SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 2228d7899447SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 2229cbf97abaSHubert Chrzaniuk case 0x57: /* PHI - Knights Landing (different MSR definition) */ 2230d7899447SLen Brown return 0; 2231d7899447SLen Brown default: 2232d7899447SLen Brown return 1; 2233d7899447SLen Brown } 2234d7899447SLen Brown } 22356574a5d5SLen Brown int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model) 22366574a5d5SLen Brown { 22376574a5d5SLen Brown if (!genuine_intel) 22386574a5d5SLen Brown return 0; 22396574a5d5SLen Brown 22406574a5d5SLen Brown if (family != 6) 22416574a5d5SLen Brown return 0; 22426574a5d5SLen Brown 22436574a5d5SLen Brown switch (model) { 22446574a5d5SLen Brown case 0x3E: /* IVB Xeon */ 2245fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 22466574a5d5SLen Brown return 1; 22476574a5d5SLen Brown default: 22486574a5d5SLen Brown return 0; 22496574a5d5SLen Brown } 22506574a5d5SLen Brown } 2251fcd17211SLen Brown int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model) 2252fcd17211SLen Brown { 2253fcd17211SLen Brown if (!genuine_intel) 2254fcd17211SLen Brown return 0; 2255fcd17211SLen Brown 2256fcd17211SLen Brown if (family != 6) 2257fcd17211SLen Brown return 0; 2258fcd17211SLen Brown 2259fcd17211SLen Brown switch (model) { 2260fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 2261fcd17211SLen Brown return 1; 2262fcd17211SLen Brown default: 2263fcd17211SLen Brown return 0; 2264fcd17211SLen Brown } 2265fcd17211SLen Brown } 2266fcd17211SLen Brown 2267fb5d4327SDasaratharaman Chandramouli int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model) 2268fb5d4327SDasaratharaman Chandramouli { 2269fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 2270fb5d4327SDasaratharaman Chandramouli return 0; 2271fb5d4327SDasaratharaman Chandramouli 2272fb5d4327SDasaratharaman Chandramouli if (family != 6) 2273fb5d4327SDasaratharaman Chandramouli return 0; 2274fb5d4327SDasaratharaman Chandramouli 2275fb5d4327SDasaratharaman Chandramouli switch (model) { 2276fb5d4327SDasaratharaman Chandramouli case 0x57: /* Knights Landing */ 2277fb5d4327SDasaratharaman Chandramouli return 1; 2278fb5d4327SDasaratharaman Chandramouli default: 2279fb5d4327SDasaratharaman Chandramouli return 0; 2280fb5d4327SDasaratharaman Chandramouli } 2281fb5d4327SDasaratharaman Chandramouli } 22826fb3143bSLen Brown int has_config_tdp(unsigned int family, unsigned int model) 22836fb3143bSLen Brown { 22846fb3143bSLen Brown if (!genuine_intel) 22856fb3143bSLen Brown return 0; 22866fb3143bSLen Brown 22876fb3143bSLen Brown if (family != 6) 22886fb3143bSLen Brown return 0; 22896fb3143bSLen Brown 22906fb3143bSLen Brown switch (model) { 22916fb3143bSLen Brown case 0x3A: /* IVB */ 22926fb3143bSLen Brown case 0x3C: /* HSW */ 22936fb3143bSLen Brown case 0x3F: /* HSX */ 22946fb3143bSLen Brown case 0x45: /* HSW */ 22956fb3143bSLen Brown case 0x46: /* HSW */ 22966fb3143bSLen Brown case 0x3D: /* BDW */ 22976fb3143bSLen Brown case 0x47: /* BDW */ 22986fb3143bSLen Brown case 0x4F: /* BDX */ 22996fb3143bSLen Brown case 0x56: /* BDX-DE */ 23006fb3143bSLen Brown case 0x4E: /* SKL */ 23016fb3143bSLen Brown case 0x5E: /* SKL */ 2302cdc57272SLen Brown case 0x8E: /* KBL */ 2303cdc57272SLen Brown case 0x9E: /* KBL */ 2304ec53e594SLen Brown case 0x55: /* SKX */ 23056fb3143bSLen Brown 23066fb3143bSLen Brown case 0x57: /* Knights Landing */ 23076fb3143bSLen Brown return 1; 23086fb3143bSLen Brown default: 23096fb3143bSLen Brown return 0; 23106fb3143bSLen Brown } 23116fb3143bSLen Brown } 23126fb3143bSLen Brown 2313fcd17211SLen Brown static void 23141b69317dSColin Ian King dump_cstate_pstate_config_info(unsigned int family, unsigned int model) 2315fcd17211SLen Brown { 2316fcd17211SLen Brown if (!do_nhm_platform_info) 2317fcd17211SLen Brown return; 2318fcd17211SLen Brown 2319fcd17211SLen Brown dump_nhm_platform_info(); 2320fcd17211SLen Brown 2321fcd17211SLen Brown if (has_hsw_turbo_ratio_limit(family, model)) 2322fcd17211SLen Brown dump_hsw_turbo_ratio_limits(); 2323fcd17211SLen Brown 2324fcd17211SLen Brown if (has_ivt_turbo_ratio_limit(family, model)) 2325fcd17211SLen Brown dump_ivt_turbo_ratio_limits(); 2326fcd17211SLen Brown 2327fcd17211SLen Brown if (has_nhm_turbo_ratio_limit(family, model)) 2328fcd17211SLen Brown dump_nhm_turbo_ratio_limits(); 2329fcd17211SLen Brown 2330fb5d4327SDasaratharaman Chandramouli if (has_knl_turbo_ratio_limit(family, model)) 2331fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(); 2332fb5d4327SDasaratharaman Chandramouli 23336fb3143bSLen Brown if (has_config_tdp(family, model)) 23346fb3143bSLen Brown dump_config_tdp(); 23356fb3143bSLen Brown 2336fcd17211SLen Brown dump_nhm_cst_cfg(); 2337fcd17211SLen Brown } 2338fcd17211SLen Brown 23396574a5d5SLen Brown 2340889facbeSLen Brown /* 2341889facbeSLen Brown * print_epb() 2342889facbeSLen Brown * Decode the ENERGY_PERF_BIAS MSR 2343889facbeSLen Brown */ 2344889facbeSLen Brown int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2345889facbeSLen Brown { 2346889facbeSLen Brown unsigned long long msr; 2347889facbeSLen Brown char *epb_string; 2348889facbeSLen Brown int cpu; 2349889facbeSLen Brown 2350889facbeSLen Brown if (!has_epb) 2351889facbeSLen Brown return 0; 2352889facbeSLen Brown 2353889facbeSLen Brown cpu = t->cpu_id; 2354889facbeSLen Brown 2355889facbeSLen Brown /* EPB is per-package */ 2356889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2357889facbeSLen Brown return 0; 2358889facbeSLen Brown 2359889facbeSLen Brown if (cpu_migrate(cpu)) { 2360b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2361889facbeSLen Brown return -1; 2362889facbeSLen Brown } 2363889facbeSLen Brown 2364889facbeSLen Brown if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr)) 2365889facbeSLen Brown return 0; 2366889facbeSLen Brown 2367e9be7dd6SLen Brown switch (msr & 0xF) { 2368889facbeSLen Brown case ENERGY_PERF_BIAS_PERFORMANCE: 2369889facbeSLen Brown epb_string = "performance"; 2370889facbeSLen Brown break; 2371889facbeSLen Brown case ENERGY_PERF_BIAS_NORMAL: 2372889facbeSLen Brown epb_string = "balanced"; 2373889facbeSLen Brown break; 2374889facbeSLen Brown case ENERGY_PERF_BIAS_POWERSAVE: 2375889facbeSLen Brown epb_string = "powersave"; 2376889facbeSLen Brown break; 2377889facbeSLen Brown default: 2378889facbeSLen Brown epb_string = "custom"; 2379889facbeSLen Brown break; 2380889facbeSLen Brown } 2381b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string); 2382889facbeSLen Brown 2383889facbeSLen Brown return 0; 2384889facbeSLen Brown } 23857f5c258eSLen Brown /* 23867f5c258eSLen Brown * print_hwp() 23877f5c258eSLen Brown * Decode the MSR_HWP_CAPABILITIES 23887f5c258eSLen Brown */ 23897f5c258eSLen Brown int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p) 23907f5c258eSLen Brown { 23917f5c258eSLen Brown unsigned long long msr; 23927f5c258eSLen Brown int cpu; 23937f5c258eSLen Brown 23947f5c258eSLen Brown if (!has_hwp) 23957f5c258eSLen Brown return 0; 23967f5c258eSLen Brown 23977f5c258eSLen Brown cpu = t->cpu_id; 23987f5c258eSLen Brown 23997f5c258eSLen Brown /* MSR_HWP_CAPABILITIES is per-package */ 24007f5c258eSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 24017f5c258eSLen Brown return 0; 24027f5c258eSLen Brown 24037f5c258eSLen Brown if (cpu_migrate(cpu)) { 2404b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 24057f5c258eSLen Brown return -1; 24067f5c258eSLen Brown } 24077f5c258eSLen Brown 24087f5c258eSLen Brown if (get_msr(cpu, MSR_PM_ENABLE, &msr)) 24097f5c258eSLen Brown return 0; 24107f5c258eSLen Brown 2411b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PM_ENABLE: 0x%08llx (%sHWP)\n", 24127f5c258eSLen Brown cpu, msr, (msr & (1 << 0)) ? "" : "No-"); 24137f5c258eSLen Brown 24147f5c258eSLen Brown /* MSR_PM_ENABLE[1] == 1 if HWP is enabled and MSRs visible */ 24157f5c258eSLen Brown if ((msr & (1 << 0)) == 0) 24167f5c258eSLen Brown return 0; 24177f5c258eSLen Brown 24187f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_CAPABILITIES, &msr)) 24197f5c258eSLen Brown return 0; 24207f5c258eSLen Brown 2421b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_CAPABILITIES: 0x%08llx " 24227f5c258eSLen Brown "(high 0x%x guar 0x%x eff 0x%x low 0x%x)\n", 24237f5c258eSLen Brown cpu, msr, 24247f5c258eSLen Brown (unsigned int)HWP_HIGHEST_PERF(msr), 24257f5c258eSLen Brown (unsigned int)HWP_GUARANTEED_PERF(msr), 24267f5c258eSLen Brown (unsigned int)HWP_MOSTEFFICIENT_PERF(msr), 24277f5c258eSLen Brown (unsigned int)HWP_LOWEST_PERF(msr)); 24287f5c258eSLen Brown 24297f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST, &msr)) 24307f5c258eSLen Brown return 0; 24317f5c258eSLen Brown 2432b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_REQUEST: 0x%08llx " 24337f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x pkg 0x%x)\n", 24347f5c258eSLen Brown cpu, msr, 24357f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 24367f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 24377f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 24387f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 24397f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3), 24407f5c258eSLen Brown (unsigned int)(((msr) >> 42) & 0x1)); 24417f5c258eSLen Brown 24427f5c258eSLen Brown if (has_hwp_pkg) { 24437f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST_PKG, &msr)) 24447f5c258eSLen Brown return 0; 24457f5c258eSLen Brown 2446b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_REQUEST_PKG: 0x%08llx " 24477f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x)\n", 24487f5c258eSLen Brown cpu, msr, 24497f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 24507f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 24517f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 24527f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 24537f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3)); 24547f5c258eSLen Brown } 24557f5c258eSLen Brown if (has_hwp_notify) { 24567f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_INTERRUPT, &msr)) 24577f5c258eSLen Brown return 0; 24587f5c258eSLen Brown 2459b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_INTERRUPT: 0x%08llx " 24607f5c258eSLen Brown "(%s_Guaranteed_Perf_Change, %s_Excursion_Min)\n", 24617f5c258eSLen Brown cpu, msr, 24627f5c258eSLen Brown ((msr) & 0x1) ? "EN" : "Dis", 24637f5c258eSLen Brown ((msr) & 0x2) ? "EN" : "Dis"); 24647f5c258eSLen Brown } 24657f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_STATUS, &msr)) 24667f5c258eSLen Brown return 0; 24677f5c258eSLen Brown 2468b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_STATUS: 0x%08llx " 24697f5c258eSLen Brown "(%sGuaranteed_Perf_Change, %sExcursion_Min)\n", 24707f5c258eSLen Brown cpu, msr, 24717f5c258eSLen Brown ((msr) & 0x1) ? "" : "No-", 24727f5c258eSLen Brown ((msr) & 0x2) ? "" : "No-"); 2473889facbeSLen Brown 2474889facbeSLen Brown return 0; 2475889facbeSLen Brown } 2476889facbeSLen Brown 24773a9a941dSLen Brown /* 24783a9a941dSLen Brown * print_perf_limit() 24793a9a941dSLen Brown */ 24803a9a941dSLen Brown int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p) 24813a9a941dSLen Brown { 24823a9a941dSLen Brown unsigned long long msr; 24833a9a941dSLen Brown int cpu; 24843a9a941dSLen Brown 24853a9a941dSLen Brown cpu = t->cpu_id; 24863a9a941dSLen Brown 24873a9a941dSLen Brown /* per-package */ 24883a9a941dSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 24893a9a941dSLen Brown return 0; 24903a9a941dSLen Brown 24913a9a941dSLen Brown if (cpu_migrate(cpu)) { 2492b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 24933a9a941dSLen Brown return -1; 24943a9a941dSLen Brown } 24953a9a941dSLen Brown 24963a9a941dSLen Brown if (do_core_perf_limit_reasons) { 24973a9a941dSLen Brown get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr); 2498b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2499b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)", 2500e33cbe85SLen Brown (msr & 1 << 15) ? "bit15, " : "", 25013a9a941dSLen Brown (msr & 1 << 14) ? "bit14, " : "", 2502e33cbe85SLen Brown (msr & 1 << 13) ? "Transitions, " : "", 2503e33cbe85SLen Brown (msr & 1 << 12) ? "MultiCoreTurbo, " : "", 2504e33cbe85SLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : "", 2505e33cbe85SLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 2506e33cbe85SLen Brown (msr & 1 << 9) ? "CorePwr, " : "", 2507e33cbe85SLen Brown (msr & 1 << 8) ? "Amps, " : "", 2508e33cbe85SLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 2509e33cbe85SLen Brown (msr & 1 << 5) ? "Auto-HWP, " : "", 2510e33cbe85SLen Brown (msr & 1 << 4) ? "Graphics, " : "", 2511e33cbe85SLen Brown (msr & 1 << 2) ? "bit2, " : "", 2512e33cbe85SLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 2513e33cbe85SLen Brown (msr & 1 << 0) ? "PROCHOT, " : ""); 2514b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n", 2515e33cbe85SLen Brown (msr & 1 << 31) ? "bit31, " : "", 25163a9a941dSLen Brown (msr & 1 << 30) ? "bit30, " : "", 2517e33cbe85SLen Brown (msr & 1 << 29) ? "Transitions, " : "", 2518e33cbe85SLen Brown (msr & 1 << 28) ? "MultiCoreTurbo, " : "", 2519e33cbe85SLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : "", 2520e33cbe85SLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 2521e33cbe85SLen Brown (msr & 1 << 25) ? "CorePwr, " : "", 2522e33cbe85SLen Brown (msr & 1 << 24) ? "Amps, " : "", 2523e33cbe85SLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 2524e33cbe85SLen Brown (msr & 1 << 21) ? "Auto-HWP, " : "", 2525e33cbe85SLen Brown (msr & 1 << 20) ? "Graphics, " : "", 2526e33cbe85SLen Brown (msr & 1 << 18) ? "bit18, " : "", 2527e33cbe85SLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 2528e33cbe85SLen Brown (msr & 1 << 16) ? "PROCHOT, " : ""); 25293a9a941dSLen Brown 25303a9a941dSLen Brown } 25313a9a941dSLen Brown if (do_gfx_perf_limit_reasons) { 25323a9a941dSLen Brown get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr); 2533b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2534b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s%s%s)", 25353a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 25363a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 25373a9a941dSLen Brown (msr & 1 << 4) ? "Graphics, " : "", 25383a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 25393a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 25403a9a941dSLen Brown (msr & 1 << 9) ? "GFXPwr, " : "", 25413a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 25423a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 2543b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s)\n", 25443a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 25453a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 25463a9a941dSLen Brown (msr & 1 << 20) ? "Graphics, " : "", 25473a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 25483a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 25493a9a941dSLen Brown (msr & 1 << 25) ? "GFXPwr, " : "", 25503a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 25513a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 25523a9a941dSLen Brown } 25533a9a941dSLen Brown if (do_ring_perf_limit_reasons) { 25543a9a941dSLen Brown get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr); 2555b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2556b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s)", 25573a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 25583a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 25593a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 25603a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 25613a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 25623a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 2563b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s)\n", 25643a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 25653a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 25663a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 25673a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 25683a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 25693a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 25703a9a941dSLen Brown } 25713a9a941dSLen Brown return 0; 25723a9a941dSLen Brown } 25733a9a941dSLen Brown 2574889facbeSLen Brown #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */ 2575889facbeSLen Brown #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */ 2576889facbeSLen Brown 25771b69317dSColin Ian King double get_tdp(unsigned int model) 2578144b44b1SLen Brown { 2579144b44b1SLen Brown unsigned long long msr; 2580144b44b1SLen Brown 2581144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) 25827ce7d5deSPrarit Bhargava if (!get_msr(base_cpu, MSR_PKG_POWER_INFO, &msr)) 2583144b44b1SLen Brown return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units; 2584144b44b1SLen Brown 2585144b44b1SLen Brown switch (model) { 2586144b44b1SLen Brown case 0x37: 2587144b44b1SLen Brown case 0x4D: 2588144b44b1SLen Brown return 30.0; 2589144b44b1SLen Brown default: 2590144b44b1SLen Brown return 135.0; 2591144b44b1SLen Brown } 2592144b44b1SLen Brown } 2593144b44b1SLen Brown 259440ee8e3bSAndrey Semin /* 259540ee8e3bSAndrey Semin * rapl_dram_energy_units_probe() 259640ee8e3bSAndrey Semin * Energy units are either hard-coded, or come from RAPL Energy Unit MSR. 259740ee8e3bSAndrey Semin */ 259840ee8e3bSAndrey Semin static double 259940ee8e3bSAndrey Semin rapl_dram_energy_units_probe(int model, double rapl_energy_units) 260040ee8e3bSAndrey Semin { 260140ee8e3bSAndrey Semin /* only called for genuine_intel, family 6 */ 260240ee8e3bSAndrey Semin 260340ee8e3bSAndrey Semin switch (model) { 260440ee8e3bSAndrey Semin case 0x3F: /* HSX */ 260540ee8e3bSAndrey Semin case 0x4F: /* BDX */ 260640ee8e3bSAndrey Semin case 0x56: /* BDX-DE */ 2607fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 260840ee8e3bSAndrey Semin return (rapl_dram_energy_units = 15.3 / 1000000); 260940ee8e3bSAndrey Semin default: 261040ee8e3bSAndrey Semin return (rapl_energy_units); 261140ee8e3bSAndrey Semin } 261240ee8e3bSAndrey Semin } 261340ee8e3bSAndrey Semin 2614144b44b1SLen Brown 2615889facbeSLen Brown /* 2616889facbeSLen Brown * rapl_probe() 2617889facbeSLen Brown * 2618144b44b1SLen Brown * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units 2619889facbeSLen Brown */ 2620889facbeSLen Brown void rapl_probe(unsigned int family, unsigned int model) 2621889facbeSLen Brown { 2622889facbeSLen Brown unsigned long long msr; 2623144b44b1SLen Brown unsigned int time_unit; 2624889facbeSLen Brown double tdp; 2625889facbeSLen Brown 2626889facbeSLen Brown if (!genuine_intel) 2627889facbeSLen Brown return; 2628889facbeSLen Brown 2629889facbeSLen Brown if (family != 6) 2630889facbeSLen Brown return; 2631889facbeSLen Brown 2632889facbeSLen Brown switch (model) { 2633889facbeSLen Brown case 0x2A: 2634889facbeSLen Brown case 0x3A: 263570b43400SLen Brown case 0x3C: /* HSW */ 263670b43400SLen Brown case 0x45: /* HSW */ 2637149c2319SLen Brown case 0x46: /* HSW */ 26384e8e863fSLen Brown case 0x3D: /* BDW */ 263948a0631cSLen Brown case 0x47: /* BDW */ 2640144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO; 2641889facbeSLen Brown break; 2642e4085d54SLen Brown case 0x5C: /* BXT */ 2643e4085d54SLen Brown do_rapl = RAPL_PKG | RAPL_PKG_POWER_INFO; 2644e4085d54SLen Brown break; 26450b2bb692SLen Brown case 0x4E: /* SKL */ 26460b2bb692SLen Brown case 0x5E: /* SKL */ 2647cdc57272SLen Brown case 0x8E: /* KBL */ 2648cdc57272SLen Brown case 0x9E: /* KBL */ 26490b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 26500b2bb692SLen Brown break; 2651e6f9bb3cSLen Brown case 0x3F: /* HSX */ 26524e8e863fSLen Brown case 0x4F: /* BDX */ 26534e8e863fSLen Brown case 0x56: /* BDX-DE */ 2654ec53e594SLen Brown case 0x55: /* SKX */ 2655fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 26560b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 2657e6f9bb3cSLen Brown break; 2658889facbeSLen Brown case 0x2D: 2659889facbeSLen Brown case 0x3E: 26600b2bb692SLen 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; 2661144b44b1SLen Brown break; 2662144b44b1SLen Brown case 0x37: /* BYT */ 2663144b44b1SLen Brown case 0x4D: /* AVN */ 2664144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES; 2665889facbeSLen Brown break; 2666*0f644909SJacob Pan case 0x5f: /* DNV */ 2667*0f644909SJacob 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; 2668*0f644909SJacob Pan break; 2669889facbeSLen Brown default: 2670889facbeSLen Brown return; 2671889facbeSLen Brown } 2672889facbeSLen Brown 2673889facbeSLen Brown /* units on package 0, verify later other packages match */ 26747ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr)) 2675889facbeSLen Brown return; 2676889facbeSLen Brown 2677889facbeSLen Brown rapl_power_units = 1.0 / (1 << (msr & 0xF)); 2678144b44b1SLen Brown if (model == 0x37) 2679144b44b1SLen Brown rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000; 2680144b44b1SLen Brown else 2681889facbeSLen Brown rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F)); 2682889facbeSLen Brown 268340ee8e3bSAndrey Semin rapl_dram_energy_units = rapl_dram_energy_units_probe(model, rapl_energy_units); 268440ee8e3bSAndrey Semin 2685144b44b1SLen Brown time_unit = msr >> 16 & 0xF; 2686144b44b1SLen Brown if (time_unit == 0) 2687144b44b1SLen Brown time_unit = 0xA; 2688889facbeSLen Brown 2689144b44b1SLen Brown rapl_time_units = 1.0 / (1 << (time_unit)); 2690144b44b1SLen Brown 2691144b44b1SLen Brown tdp = get_tdp(model); 2692889facbeSLen Brown 2693889facbeSLen Brown rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp; 2694d8af6f5fSLen Brown if (debug) 2695b7d8c148SLen Brown fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp); 2696889facbeSLen Brown 2697889facbeSLen Brown return; 2698889facbeSLen Brown } 2699889facbeSLen Brown 27001b69317dSColin Ian King void perf_limit_reasons_probe(unsigned int family, unsigned int model) 27013a9a941dSLen Brown { 27023a9a941dSLen Brown if (!genuine_intel) 27033a9a941dSLen Brown return; 27043a9a941dSLen Brown 27053a9a941dSLen Brown if (family != 6) 27063a9a941dSLen Brown return; 27073a9a941dSLen Brown 27083a9a941dSLen Brown switch (model) { 27093a9a941dSLen Brown case 0x3C: /* HSW */ 27103a9a941dSLen Brown case 0x45: /* HSW */ 27113a9a941dSLen Brown case 0x46: /* HSW */ 27123a9a941dSLen Brown do_gfx_perf_limit_reasons = 1; 27133a9a941dSLen Brown case 0x3F: /* HSX */ 27143a9a941dSLen Brown do_core_perf_limit_reasons = 1; 27153a9a941dSLen Brown do_ring_perf_limit_reasons = 1; 27163a9a941dSLen Brown default: 27173a9a941dSLen Brown return; 27183a9a941dSLen Brown } 27193a9a941dSLen Brown } 27203a9a941dSLen Brown 2721889facbeSLen Brown int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2722889facbeSLen Brown { 2723889facbeSLen Brown unsigned long long msr; 2724889facbeSLen Brown unsigned int dts; 2725889facbeSLen Brown int cpu; 2726889facbeSLen Brown 2727889facbeSLen Brown if (!(do_dts || do_ptm)) 2728889facbeSLen Brown return 0; 2729889facbeSLen Brown 2730889facbeSLen Brown cpu = t->cpu_id; 2731889facbeSLen Brown 2732889facbeSLen Brown /* DTS is per-core, no need to print for each thread */ 2733889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 2734889facbeSLen Brown return 0; 2735889facbeSLen Brown 2736889facbeSLen Brown if (cpu_migrate(cpu)) { 2737b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2738889facbeSLen Brown return -1; 2739889facbeSLen Brown } 2740889facbeSLen Brown 2741889facbeSLen Brown if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) { 2742889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 2743889facbeSLen Brown return 0; 2744889facbeSLen Brown 2745889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2746b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", 2747889facbeSLen Brown cpu, msr, tcc_activation_temp - dts); 2748889facbeSLen Brown 2749889facbeSLen Brown #ifdef THERM_DEBUG 2750889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr)) 2751889facbeSLen Brown return 0; 2752889facbeSLen Brown 2753889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2754889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2755b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2756889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2757889facbeSLen Brown #endif 2758889facbeSLen Brown } 2759889facbeSLen Brown 2760889facbeSLen Brown 2761889facbeSLen Brown if (do_dts) { 2762889facbeSLen Brown unsigned int resolution; 2763889facbeSLen Brown 2764889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 2765889facbeSLen Brown return 0; 2766889facbeSLen Brown 2767889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2768889facbeSLen Brown resolution = (msr >> 27) & 0xF; 2769b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n", 2770889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, resolution); 2771889facbeSLen Brown 2772889facbeSLen Brown #ifdef THERM_DEBUG 2773889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr)) 2774889facbeSLen Brown return 0; 2775889facbeSLen Brown 2776889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2777889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2778b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2779889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2780889facbeSLen Brown #endif 2781889facbeSLen Brown } 2782889facbeSLen Brown 2783889facbeSLen Brown return 0; 2784889facbeSLen Brown } 2785889facbeSLen Brown 2786889facbeSLen Brown void print_power_limit_msr(int cpu, unsigned long long msr, char *label) 2787889facbeSLen Brown { 2788b7d8c148SLen Brown fprintf(outf, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n", 2789889facbeSLen Brown cpu, label, 2790889facbeSLen Brown ((msr >> 15) & 1) ? "EN" : "DIS", 2791889facbeSLen Brown ((msr >> 0) & 0x7FFF) * rapl_power_units, 2792889facbeSLen Brown (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units, 2793889facbeSLen Brown (((msr >> 16) & 1) ? "EN" : "DIS")); 2794889facbeSLen Brown 2795889facbeSLen Brown return; 2796889facbeSLen Brown } 2797889facbeSLen Brown 2798889facbeSLen Brown int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2799889facbeSLen Brown { 2800889facbeSLen Brown unsigned long long msr; 2801889facbeSLen Brown int cpu; 2802889facbeSLen Brown 2803889facbeSLen Brown if (!do_rapl) 2804889facbeSLen Brown return 0; 2805889facbeSLen Brown 2806889facbeSLen Brown /* RAPL counters are per package, so print only for 1st thread/package */ 2807889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2808889facbeSLen Brown return 0; 2809889facbeSLen Brown 2810889facbeSLen Brown cpu = t->cpu_id; 2811889facbeSLen Brown if (cpu_migrate(cpu)) { 2812b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2813889facbeSLen Brown return -1; 2814889facbeSLen Brown } 2815889facbeSLen Brown 2816889facbeSLen Brown if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr)) 2817889facbeSLen Brown return -1; 2818889facbeSLen Brown 2819d8af6f5fSLen Brown if (debug) { 2820b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx " 2821889facbeSLen Brown "(%f Watts, %f Joules, %f sec.)\n", cpu, msr, 2822144b44b1SLen Brown rapl_power_units, rapl_energy_units, rapl_time_units); 2823889facbeSLen Brown } 2824144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) { 2825144b44b1SLen Brown 2826889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr)) 2827889facbeSLen Brown return -5; 2828889facbeSLen Brown 2829889facbeSLen Brown 2830b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2831889facbeSLen Brown cpu, msr, 2832889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2833889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2834889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2835889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 2836889facbeSLen Brown 2837144b44b1SLen Brown } 2838144b44b1SLen Brown if (do_rapl & RAPL_PKG) { 2839144b44b1SLen Brown 2840889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr)) 2841889facbeSLen Brown return -9; 2842889facbeSLen Brown 2843b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n", 2844889facbeSLen Brown cpu, msr, (msr >> 63) & 1 ? "": "UN"); 2845889facbeSLen Brown 2846889facbeSLen Brown print_power_limit_msr(cpu, msr, "PKG Limit #1"); 2847b7d8c148SLen Brown fprintf(outf, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n", 2848889facbeSLen Brown cpu, 2849889facbeSLen Brown ((msr >> 47) & 1) ? "EN" : "DIS", 2850889facbeSLen Brown ((msr >> 32) & 0x7FFF) * rapl_power_units, 2851889facbeSLen Brown (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units, 2852889facbeSLen Brown ((msr >> 48) & 1) ? "EN" : "DIS"); 2853889facbeSLen Brown } 2854889facbeSLen Brown 28550b2bb692SLen Brown if (do_rapl & RAPL_DRAM_POWER_INFO) { 2856889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr)) 2857889facbeSLen Brown return -6; 2858889facbeSLen Brown 2859b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2860889facbeSLen Brown cpu, msr, 2861889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2862889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2863889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2864889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 28650b2bb692SLen Brown } 28660b2bb692SLen Brown if (do_rapl & RAPL_DRAM) { 2867889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr)) 2868889facbeSLen Brown return -9; 2869b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n", 2870889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2871889facbeSLen Brown 2872889facbeSLen Brown print_power_limit_msr(cpu, msr, "DRAM Limit"); 2873889facbeSLen Brown } 2874144b44b1SLen Brown if (do_rapl & RAPL_CORE_POLICY) { 2875d8af6f5fSLen Brown if (debug) { 2876889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POLICY, &msr)) 2877889facbeSLen Brown return -7; 2878889facbeSLen Brown 2879b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF); 2880144b44b1SLen Brown } 2881144b44b1SLen Brown } 28829148494cSJacob Pan if (do_rapl & RAPL_CORES_POWER_LIMIT) { 2883d8af6f5fSLen Brown if (debug) { 2884889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr)) 2885889facbeSLen Brown return -9; 2886b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n", 2887889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2888889facbeSLen Brown print_power_limit_msr(cpu, msr, "Cores Limit"); 2889889facbeSLen Brown } 2890889facbeSLen Brown } 2891889facbeSLen Brown if (do_rapl & RAPL_GFX) { 2892d8af6f5fSLen Brown if (debug) { 2893889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POLICY, &msr)) 2894889facbeSLen Brown return -8; 2895889facbeSLen Brown 2896b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF); 2897889facbeSLen Brown 2898889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr)) 2899889facbeSLen Brown return -9; 2900b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n", 2901889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2902889facbeSLen Brown print_power_limit_msr(cpu, msr, "GFX Limit"); 2903889facbeSLen Brown } 2904889facbeSLen Brown } 2905889facbeSLen Brown return 0; 2906889facbeSLen Brown } 2907889facbeSLen Brown 2908d7899447SLen Brown /* 2909d7899447SLen Brown * SNB adds support for additional MSRs: 2910d7899447SLen Brown * 2911d7899447SLen Brown * MSR_PKG_C7_RESIDENCY 0x000003fa 2912d7899447SLen Brown * MSR_CORE_C7_RESIDENCY 0x000003fe 2913d7899447SLen Brown * MSR_PKG_C2_RESIDENCY 0x0000060d 2914d7899447SLen Brown */ 2915103a8feaSLen Brown 2916d7899447SLen Brown int has_snb_msrs(unsigned int family, unsigned int model) 2917103a8feaSLen Brown { 2918103a8feaSLen Brown if (!genuine_intel) 2919103a8feaSLen Brown return 0; 2920103a8feaSLen Brown 2921103a8feaSLen Brown switch (model) { 2922103a8feaSLen Brown case 0x2A: 2923103a8feaSLen Brown case 0x2D: 2924650a37f3SLen Brown case 0x3A: /* IVB */ 29251300651bSLen Brown case 0x3E: /* IVB Xeon */ 292670b43400SLen Brown case 0x3C: /* HSW */ 292770b43400SLen Brown case 0x3F: /* HSW */ 292870b43400SLen Brown case 0x45: /* HSW */ 2929149c2319SLen Brown case 0x46: /* HSW */ 29304e8e863fSLen Brown case 0x3D: /* BDW */ 293148a0631cSLen Brown case 0x47: /* BDW */ 29324e8e863fSLen Brown case 0x4F: /* BDX */ 29334e8e863fSLen Brown case 0x56: /* BDX-DE */ 29340b2bb692SLen Brown case 0x4E: /* SKL */ 29350b2bb692SLen Brown case 0x5E: /* SKL */ 2936cdc57272SLen Brown case 0x8E: /* KBL */ 2937cdc57272SLen Brown case 0x9E: /* KBL */ 2938ec53e594SLen Brown case 0x55: /* SKX */ 2939e4085d54SLen Brown case 0x5C: /* BXT */ 2940103a8feaSLen Brown return 1; 2941103a8feaSLen Brown } 2942103a8feaSLen Brown return 0; 2943103a8feaSLen Brown } 2944103a8feaSLen Brown 2945d7899447SLen Brown /* 2946d7899447SLen Brown * HSW adds support for additional MSRs: 2947d7899447SLen Brown * 2948d7899447SLen Brown * MSR_PKG_C8_RESIDENCY 0x00000630 2949d7899447SLen Brown * MSR_PKG_C9_RESIDENCY 0x00000631 2950d7899447SLen Brown * MSR_PKG_C10_RESIDENCY 0x00000632 29515a63426eSLen Brown * 29525a63426eSLen Brown * MSR_PKGC8_IRTL 0x00000633 29535a63426eSLen Brown * MSR_PKGC9_IRTL 0x00000634 29545a63426eSLen Brown * MSR_PKGC10_IRTL 0x00000635 29555a63426eSLen Brown * 2956d7899447SLen Brown */ 2957d7899447SLen Brown int has_hsw_msrs(unsigned int family, unsigned int model) 2958ca58710fSKristen Carlson Accardi { 2959ca58710fSKristen Carlson Accardi if (!genuine_intel) 2960ca58710fSKristen Carlson Accardi return 0; 2961ca58710fSKristen Carlson Accardi 2962ca58710fSKristen Carlson Accardi switch (model) { 29634e8e863fSLen Brown case 0x45: /* HSW */ 29644e8e863fSLen Brown case 0x3D: /* BDW */ 29650b2bb692SLen Brown case 0x4E: /* SKL */ 29660b2bb692SLen Brown case 0x5E: /* SKL */ 2967cdc57272SLen Brown case 0x8E: /* KBL */ 2968cdc57272SLen Brown case 0x9E: /* KBL */ 2969e4085d54SLen Brown case 0x5C: /* BXT */ 2970ca58710fSKristen Carlson Accardi return 1; 2971ca58710fSKristen Carlson Accardi } 2972ca58710fSKristen Carlson Accardi return 0; 2973ca58710fSKristen Carlson Accardi } 2974ca58710fSKristen Carlson Accardi 29750b2bb692SLen Brown /* 29760b2bb692SLen Brown * SKL adds support for additional MSRS: 29770b2bb692SLen Brown * 29780b2bb692SLen Brown * MSR_PKG_WEIGHTED_CORE_C0_RES 0x00000658 29790b2bb692SLen Brown * MSR_PKG_ANY_CORE_C0_RES 0x00000659 29800b2bb692SLen Brown * MSR_PKG_ANY_GFXE_C0_RES 0x0000065A 29810b2bb692SLen Brown * MSR_PKG_BOTH_CORE_GFXE_C0_RES 0x0000065B 29820b2bb692SLen Brown */ 29830b2bb692SLen Brown int has_skl_msrs(unsigned int family, unsigned int model) 29840b2bb692SLen Brown { 29850b2bb692SLen Brown if (!genuine_intel) 29860b2bb692SLen Brown return 0; 29870b2bb692SLen Brown 29880b2bb692SLen Brown switch (model) { 29890b2bb692SLen Brown case 0x4E: /* SKL */ 29900b2bb692SLen Brown case 0x5E: /* SKL */ 2991cdc57272SLen Brown case 0x8E: /* KBL */ 2992cdc57272SLen Brown case 0x9E: /* KBL */ 29930b2bb692SLen Brown return 1; 29940b2bb692SLen Brown } 29950b2bb692SLen Brown return 0; 29960b2bb692SLen Brown } 29970b2bb692SLen Brown 29980b2bb692SLen Brown 2999ca58710fSKristen Carlson Accardi 3000144b44b1SLen Brown int is_slm(unsigned int family, unsigned int model) 3001144b44b1SLen Brown { 3002144b44b1SLen Brown if (!genuine_intel) 3003144b44b1SLen Brown return 0; 3004144b44b1SLen Brown switch (model) { 3005144b44b1SLen Brown case 0x37: /* BYT */ 3006144b44b1SLen Brown case 0x4D: /* AVN */ 3007144b44b1SLen Brown return 1; 3008144b44b1SLen Brown } 3009144b44b1SLen Brown return 0; 3010144b44b1SLen Brown } 3011144b44b1SLen Brown 3012fb5d4327SDasaratharaman Chandramouli int is_knl(unsigned int family, unsigned int model) 3013fb5d4327SDasaratharaman Chandramouli { 3014fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 3015fb5d4327SDasaratharaman Chandramouli return 0; 3016fb5d4327SDasaratharaman Chandramouli switch (model) { 3017fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 3018fb5d4327SDasaratharaman Chandramouli return 1; 3019fb5d4327SDasaratharaman Chandramouli } 3020fb5d4327SDasaratharaman Chandramouli return 0; 3021fb5d4327SDasaratharaman Chandramouli } 3022fb5d4327SDasaratharaman Chandramouli 3023b2b34dfeSHubert Chrzaniuk unsigned int get_aperf_mperf_multiplier(unsigned int family, unsigned int model) 3024b2b34dfeSHubert Chrzaniuk { 3025b2b34dfeSHubert Chrzaniuk if (is_knl(family, model)) 3026b2b34dfeSHubert Chrzaniuk return 1024; 3027b2b34dfeSHubert Chrzaniuk return 1; 3028b2b34dfeSHubert Chrzaniuk } 3029b2b34dfeSHubert Chrzaniuk 3030144b44b1SLen Brown #define SLM_BCLK_FREQS 5 3031144b44b1SLen Brown double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0}; 3032144b44b1SLen Brown 3033144b44b1SLen Brown double slm_bclk(void) 3034144b44b1SLen Brown { 3035144b44b1SLen Brown unsigned long long msr = 3; 3036144b44b1SLen Brown unsigned int i; 3037144b44b1SLen Brown double freq; 3038144b44b1SLen Brown 30397ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_FSB_FREQ, &msr)) 3040b7d8c148SLen Brown fprintf(outf, "SLM BCLK: unknown\n"); 3041144b44b1SLen Brown 3042144b44b1SLen Brown i = msr & 0xf; 3043144b44b1SLen Brown if (i >= SLM_BCLK_FREQS) { 3044b7d8c148SLen Brown fprintf(outf, "SLM BCLK[%d] invalid\n", i); 30450a91e551SColin Ian King i = 3; 3046144b44b1SLen Brown } 3047144b44b1SLen Brown freq = slm_freq_table[i]; 3048144b44b1SLen Brown 3049b7d8c148SLen Brown fprintf(outf, "SLM BCLK: %.1f Mhz\n", freq); 3050144b44b1SLen Brown 3051144b44b1SLen Brown return freq; 3052144b44b1SLen Brown } 3053144b44b1SLen Brown 3054103a8feaSLen Brown double discover_bclk(unsigned int family, unsigned int model) 3055103a8feaSLen Brown { 3056121b48bbSChrzaniuk, Hubert if (has_snb_msrs(family, model) || is_knl(family, model)) 3057103a8feaSLen Brown return 100.00; 3058144b44b1SLen Brown else if (is_slm(family, model)) 3059144b44b1SLen Brown return slm_bclk(); 3060103a8feaSLen Brown else 3061103a8feaSLen Brown return 133.33; 3062103a8feaSLen Brown } 3063103a8feaSLen Brown 3064889facbeSLen Brown /* 3065889facbeSLen Brown * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where 3066889facbeSLen Brown * the Thermal Control Circuit (TCC) activates. 3067889facbeSLen Brown * This is usually equal to tjMax. 3068889facbeSLen Brown * 3069889facbeSLen Brown * Older processors do not have this MSR, so there we guess, 3070889facbeSLen Brown * but also allow cmdline over-ride with -T. 3071889facbeSLen Brown * 3072889facbeSLen Brown * Several MSR temperature values are in units of degrees-C 3073889facbeSLen Brown * below this value, including the Digital Thermal Sensor (DTS), 3074889facbeSLen Brown * Package Thermal Management Sensor (PTM), and thermal event thresholds. 3075889facbeSLen Brown */ 3076889facbeSLen Brown int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p) 3077889facbeSLen Brown { 3078889facbeSLen Brown unsigned long long msr; 3079889facbeSLen Brown unsigned int target_c_local; 3080889facbeSLen Brown int cpu; 3081889facbeSLen Brown 3082889facbeSLen Brown /* tcc_activation_temp is used only for dts or ptm */ 3083889facbeSLen Brown if (!(do_dts || do_ptm)) 3084889facbeSLen Brown return 0; 3085889facbeSLen Brown 3086889facbeSLen Brown /* this is a per-package concept */ 3087889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 3088889facbeSLen Brown return 0; 3089889facbeSLen Brown 3090889facbeSLen Brown cpu = t->cpu_id; 3091889facbeSLen Brown if (cpu_migrate(cpu)) { 3092b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 3093889facbeSLen Brown return -1; 3094889facbeSLen Brown } 3095889facbeSLen Brown 3096889facbeSLen Brown if (tcc_activation_temp_override != 0) { 3097889facbeSLen Brown tcc_activation_temp = tcc_activation_temp_override; 3098b7d8c148SLen Brown fprintf(outf, "cpu%d: Using cmdline TCC Target (%d C)\n", 3099889facbeSLen Brown cpu, tcc_activation_temp); 3100889facbeSLen Brown return 0; 3101889facbeSLen Brown } 3102889facbeSLen Brown 3103889facbeSLen Brown /* Temperature Target MSR is Nehalem and newer only */ 3104d7899447SLen Brown if (!do_nhm_platform_info) 3105889facbeSLen Brown goto guess; 3106889facbeSLen Brown 31077ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr)) 3108889facbeSLen Brown goto guess; 3109889facbeSLen Brown 31103482124aSJean Delvare target_c_local = (msr >> 16) & 0xFF; 3111889facbeSLen Brown 3112d8af6f5fSLen Brown if (debug) 3113b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", 3114889facbeSLen Brown cpu, msr, target_c_local); 3115889facbeSLen Brown 31163482124aSJean Delvare if (!target_c_local) 3117889facbeSLen Brown goto guess; 3118889facbeSLen Brown 3119889facbeSLen Brown tcc_activation_temp = target_c_local; 3120889facbeSLen Brown 3121889facbeSLen Brown return 0; 3122889facbeSLen Brown 3123889facbeSLen Brown guess: 3124889facbeSLen Brown tcc_activation_temp = TJMAX_DEFAULT; 3125b7d8c148SLen Brown fprintf(outf, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n", 3126889facbeSLen Brown cpu, tcc_activation_temp); 3127889facbeSLen Brown 3128889facbeSLen Brown return 0; 3129889facbeSLen Brown } 313069807a63SLen Brown 3131aa8d8cc7SLen Brown void decode_feature_control_msr(void) 3132aa8d8cc7SLen Brown { 3133aa8d8cc7SLen Brown unsigned long long msr; 3134aa8d8cc7SLen Brown 3135aa8d8cc7SLen Brown if (!get_msr(base_cpu, MSR_IA32_FEATURE_CONTROL, &msr)) 3136aa8d8cc7SLen Brown fprintf(outf, "cpu%d: MSR_IA32_FEATURE_CONTROL: 0x%08llx (%sLocked %s)\n", 3137aa8d8cc7SLen Brown base_cpu, msr, 3138aa8d8cc7SLen Brown msr & FEATURE_CONTROL_LOCKED ? "" : "UN-", 3139aa8d8cc7SLen Brown msr & (1 << 18) ? "SGX" : ""); 3140aa8d8cc7SLen Brown } 3141aa8d8cc7SLen Brown 314269807a63SLen Brown void decode_misc_enable_msr(void) 314369807a63SLen Brown { 314469807a63SLen Brown unsigned long long msr; 314569807a63SLen Brown 314669807a63SLen Brown if (!get_msr(base_cpu, MSR_IA32_MISC_ENABLE, &msr)) 3147b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_MISC_ENABLE: 0x%08llx (%s %s %s)\n", 314869807a63SLen Brown base_cpu, msr, 314969807a63SLen Brown msr & (1 << 3) ? "TCC" : "", 315069807a63SLen Brown msr & (1 << 16) ? "EIST" : "", 315169807a63SLen Brown msr & (1 << 18) ? "MONITOR" : ""); 315269807a63SLen Brown } 315369807a63SLen Brown 3154f0057310SLen Brown /* 3155f0057310SLen Brown * Decode MSR_MISC_PWR_MGMT 3156f0057310SLen Brown * 3157f0057310SLen Brown * Decode the bits according to the Nehalem documentation 3158f0057310SLen Brown * bit[0] seems to continue to have same meaning going forward 3159f0057310SLen Brown * bit[1] less so... 3160f0057310SLen Brown */ 3161f0057310SLen Brown void decode_misc_pwr_mgmt_msr(void) 3162f0057310SLen Brown { 3163f0057310SLen Brown unsigned long long msr; 3164f0057310SLen Brown 3165f0057310SLen Brown if (!do_nhm_platform_info) 3166f0057310SLen Brown return; 3167f0057310SLen Brown 3168f0057310SLen Brown if (!get_msr(base_cpu, MSR_MISC_PWR_MGMT, &msr)) 3169b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_MISC_PWR_MGMT: 0x%08llx (%sable-EIST_Coordination %sable-EPB)\n", 3170f0057310SLen Brown base_cpu, msr, 3171f0057310SLen Brown msr & (1 << 0) ? "DIS" : "EN", 3172f0057310SLen Brown msr & (1 << 1) ? "EN" : "DIS"); 3173f0057310SLen Brown } 31747f5c258eSLen Brown 3175fcd17211SLen Brown void process_cpuid() 3176103a8feaSLen Brown { 317761a87ba7SLen Brown unsigned int eax, ebx, ecx, edx, max_level, max_extended_level; 3178103a8feaSLen Brown unsigned int fms, family, model, stepping; 3179103a8feaSLen Brown 3180103a8feaSLen Brown eax = ebx = ecx = edx = 0; 3181103a8feaSLen Brown 31825aea2f7fSLen Brown __cpuid(0, max_level, ebx, ecx, edx); 3183103a8feaSLen Brown 3184103a8feaSLen Brown if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e) 3185103a8feaSLen Brown genuine_intel = 1; 3186103a8feaSLen Brown 3187d8af6f5fSLen Brown if (debug) 3188b7d8c148SLen Brown fprintf(outf, "CPUID(0): %.4s%.4s%.4s ", 3189103a8feaSLen Brown (char *)&ebx, (char *)&edx, (char *)&ecx); 3190103a8feaSLen Brown 31915aea2f7fSLen Brown __cpuid(1, fms, ebx, ecx, edx); 3192103a8feaSLen Brown family = (fms >> 8) & 0xf; 3193103a8feaSLen Brown model = (fms >> 4) & 0xf; 3194103a8feaSLen Brown stepping = fms & 0xf; 3195103a8feaSLen Brown if (family == 6 || family == 0xf) 3196103a8feaSLen Brown model += ((fms >> 16) & 0xf) << 4; 3197103a8feaSLen Brown 319869807a63SLen Brown if (debug) { 3199b7d8c148SLen Brown fprintf(outf, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n", 3200103a8feaSLen Brown max_level, family, model, stepping, family, model, stepping); 3201aa8d8cc7SLen Brown fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s %s\n", 320269807a63SLen Brown ecx & (1 << 0) ? "SSE3" : "-", 320369807a63SLen Brown ecx & (1 << 3) ? "MONITOR" : "-", 3204aa8d8cc7SLen Brown ecx & (1 << 6) ? "SMX" : "-", 320569807a63SLen Brown ecx & (1 << 7) ? "EIST" : "-", 320669807a63SLen Brown ecx & (1 << 8) ? "TM2" : "-", 320769807a63SLen Brown edx & (1 << 4) ? "TSC" : "-", 320869807a63SLen Brown edx & (1 << 5) ? "MSR" : "-", 320969807a63SLen Brown edx & (1 << 22) ? "ACPI-TM" : "-", 321069807a63SLen Brown edx & (1 << 29) ? "TM" : "-"); 321169807a63SLen Brown } 3212103a8feaSLen Brown 3213b2c95d90SJosh Triplett if (!(edx & (1 << 5))) 3214b2c95d90SJosh Triplett errx(1, "CPUID: no MSR"); 3215103a8feaSLen Brown 3216103a8feaSLen Brown /* 3217103a8feaSLen Brown * check max extended function levels of CPUID. 3218103a8feaSLen Brown * This is needed to check for invariant TSC. 3219103a8feaSLen Brown * This check is valid for both Intel and AMD. 3220103a8feaSLen Brown */ 3221103a8feaSLen Brown ebx = ecx = edx = 0; 32225aea2f7fSLen Brown __cpuid(0x80000000, max_extended_level, ebx, ecx, edx); 3223103a8feaSLen Brown 322461a87ba7SLen Brown if (max_extended_level >= 0x80000007) { 3225103a8feaSLen Brown 3226103a8feaSLen Brown /* 3227103a8feaSLen Brown * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8 3228103a8feaSLen Brown * this check is valid for both Intel and AMD 3229103a8feaSLen Brown */ 32305aea2f7fSLen Brown __cpuid(0x80000007, eax, ebx, ecx, edx); 32318209e054SThomas Renninger has_invariant_tsc = edx & (1 << 8); 3232d7899447SLen Brown } 3233103a8feaSLen Brown 3234103a8feaSLen Brown /* 3235103a8feaSLen Brown * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0 3236103a8feaSLen Brown * this check is valid for both Intel and AMD 3237103a8feaSLen Brown */ 3238103a8feaSLen Brown 32395aea2f7fSLen Brown __cpuid(0x6, eax, ebx, ecx, edx); 32408209e054SThomas Renninger has_aperf = ecx & (1 << 0); 3241889facbeSLen Brown do_dts = eax & (1 << 0); 3242889facbeSLen Brown do_ptm = eax & (1 << 6); 32437f5c258eSLen Brown has_hwp = eax & (1 << 7); 32447f5c258eSLen Brown has_hwp_notify = eax & (1 << 8); 32457f5c258eSLen Brown has_hwp_activity_window = eax & (1 << 9); 32467f5c258eSLen Brown has_hwp_epp = eax & (1 << 10); 32477f5c258eSLen Brown has_hwp_pkg = eax & (1 << 11); 3248889facbeSLen Brown has_epb = ecx & (1 << 3); 3249889facbeSLen Brown 3250d8af6f5fSLen Brown if (debug) 3251b7d8c148SLen Brown fprintf(outf, "CPUID(6): %sAPERF, %sDTS, %sPTM, %sHWP, " 32527f5c258eSLen Brown "%sHWPnotify, %sHWPwindow, %sHWPepp, %sHWPpkg, %sEPB\n", 32537f5c258eSLen Brown has_aperf ? "" : "No-", 32547f5c258eSLen Brown do_dts ? "" : "No-", 32557f5c258eSLen Brown do_ptm ? "" : "No-", 32567f5c258eSLen Brown has_hwp ? "" : "No-", 32577f5c258eSLen Brown has_hwp_notify ? "" : "No-", 32587f5c258eSLen Brown has_hwp_activity_window ? "" : "No-", 32597f5c258eSLen Brown has_hwp_epp ? "" : "No-", 32607f5c258eSLen Brown has_hwp_pkg ? "" : "No-", 32617f5c258eSLen Brown has_epb ? "" : "No-"); 3262103a8feaSLen Brown 326369807a63SLen Brown if (debug) 326469807a63SLen Brown decode_misc_enable_msr(); 326569807a63SLen Brown 32668ae72255SLen Brown if (max_level >= 0x7 && debug) { 3267aa8d8cc7SLen Brown int has_sgx; 3268aa8d8cc7SLen Brown 3269aa8d8cc7SLen Brown ecx = 0; 3270aa8d8cc7SLen Brown 3271aa8d8cc7SLen Brown __cpuid_count(0x7, 0, eax, ebx, ecx, edx); 3272aa8d8cc7SLen Brown 3273aa8d8cc7SLen Brown has_sgx = ebx & (1 << 2); 3274aa8d8cc7SLen Brown fprintf(outf, "CPUID(7): %sSGX\n", has_sgx ? "" : "No-"); 3275aa8d8cc7SLen Brown 3276aa8d8cc7SLen Brown if (has_sgx) 3277aa8d8cc7SLen Brown decode_feature_control_msr(); 3278aa8d8cc7SLen Brown } 3279aa8d8cc7SLen Brown 328061a87ba7SLen Brown if (max_level >= 0x15) { 32818a5bdf41SLen Brown unsigned int eax_crystal; 32828a5bdf41SLen Brown unsigned int ebx_tsc; 32838a5bdf41SLen Brown 32848a5bdf41SLen Brown /* 32858a5bdf41SLen Brown * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz 32868a5bdf41SLen Brown */ 32878a5bdf41SLen Brown eax_crystal = ebx_tsc = crystal_hz = edx = 0; 32885aea2f7fSLen Brown __cpuid(0x15, eax_crystal, ebx_tsc, crystal_hz, edx); 32898a5bdf41SLen Brown 32908a5bdf41SLen Brown if (ebx_tsc != 0) { 32918a5bdf41SLen Brown 32928a5bdf41SLen Brown if (debug && (ebx != 0)) 3293b7d8c148SLen Brown fprintf(outf, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n", 32948a5bdf41SLen Brown eax_crystal, ebx_tsc, crystal_hz); 32958a5bdf41SLen Brown 32968a5bdf41SLen Brown if (crystal_hz == 0) 32978a5bdf41SLen Brown switch(model) { 32988a5bdf41SLen Brown case 0x4E: /* SKL */ 32998a5bdf41SLen Brown case 0x5E: /* SKL */ 3300cdc57272SLen Brown case 0x8E: /* KBL */ 3301cdc57272SLen Brown case 0x9E: /* KBL */ 3302e8efbc80SLen Brown crystal_hz = 24000000; /* 24.0 MHz */ 3303e8efbc80SLen Brown break; 3304ec53e594SLen Brown case 0x55: /* SKX */ 3305ec53e594SLen Brown crystal_hz = 25000000; /* 25.0 MHz */ 3306ec53e594SLen Brown break; 3307e8efbc80SLen Brown case 0x5C: /* BXT */ 33082c48c990SJacob Pan case 0x5F: /* DNV */ 3309e8efbc80SLen Brown crystal_hz = 19200000; /* 19.2 MHz */ 33108a5bdf41SLen Brown break; 33118a5bdf41SLen Brown default: 33128a5bdf41SLen Brown crystal_hz = 0; 33138a5bdf41SLen Brown } 33148a5bdf41SLen Brown 33158a5bdf41SLen Brown if (crystal_hz) { 33168a5bdf41SLen Brown tsc_hz = (unsigned long long) crystal_hz * ebx_tsc / eax_crystal; 33178a5bdf41SLen Brown if (debug) 3318b7d8c148SLen Brown fprintf(outf, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n", 33198a5bdf41SLen Brown tsc_hz / 1000000, crystal_hz, ebx_tsc, eax_crystal); 33208a5bdf41SLen Brown } 33218a5bdf41SLen Brown } 33228a5bdf41SLen Brown } 332361a87ba7SLen Brown if (max_level >= 0x16) { 332461a87ba7SLen Brown unsigned int base_mhz, max_mhz, bus_mhz, edx; 332561a87ba7SLen Brown 332661a87ba7SLen Brown /* 332761a87ba7SLen Brown * CPUID 16H Base MHz, Max MHz, Bus MHz 332861a87ba7SLen Brown */ 332961a87ba7SLen Brown base_mhz = max_mhz = bus_mhz = edx = 0; 333061a87ba7SLen Brown 33315aea2f7fSLen Brown __cpuid(0x16, base_mhz, max_mhz, bus_mhz, edx); 333261a87ba7SLen Brown if (debug) 3333b7d8c148SLen Brown fprintf(outf, "CPUID(0x16): base_mhz: %d max_mhz: %d bus_mhz: %d\n", 333461a87ba7SLen Brown base_mhz, max_mhz, bus_mhz); 333561a87ba7SLen Brown } 33368a5bdf41SLen Brown 3337b2b34dfeSHubert Chrzaniuk if (has_aperf) 3338b2b34dfeSHubert Chrzaniuk aperf_mperf_multiplier = get_aperf_mperf_multiplier(family, model); 3339b2b34dfeSHubert Chrzaniuk 3340ee7e38e3SLen Brown do_nhm_platform_info = do_nhm_cstates = do_smi = probe_nhm_msrs(family, model); 3341d7899447SLen Brown do_snb_cstates = has_snb_msrs(family, model); 33425a63426eSLen Brown do_irtl_snb = has_snb_msrs(family, model); 3343ee7e38e3SLen Brown do_pc2 = do_snb_cstates && (pkg_cstate_limit >= PCL__2); 3344ee7e38e3SLen Brown do_pc3 = (pkg_cstate_limit >= PCL__3); 3345ee7e38e3SLen Brown do_pc6 = (pkg_cstate_limit >= PCL__6); 3346ee7e38e3SLen Brown do_pc7 = do_snb_cstates && (pkg_cstate_limit >= PCL__7); 3347d7899447SLen Brown do_c8_c9_c10 = has_hsw_msrs(family, model); 33485a63426eSLen Brown do_irtl_hsw = has_hsw_msrs(family, model); 33490b2bb692SLen Brown do_skl_residency = has_skl_msrs(family, model); 3350144b44b1SLen Brown do_slm_cstates = is_slm(family, model); 3351fb5d4327SDasaratharaman Chandramouli do_knl_cstates = is_knl(family, model); 3352103a8feaSLen Brown 3353f0057310SLen Brown if (debug) 3354f0057310SLen Brown decode_misc_pwr_mgmt_msr(); 3355f0057310SLen Brown 3356889facbeSLen Brown rapl_probe(family, model); 33573a9a941dSLen Brown perf_limit_reasons_probe(family, model); 3358889facbeSLen Brown 3359fcd17211SLen Brown if (debug) 33601b69317dSColin Ian King dump_cstate_pstate_config_info(family, model); 3361fcd17211SLen Brown 3362a2b7b749SLen Brown if (has_skl_msrs(family, model)) 3363a2b7b749SLen Brown calculate_tsc_tweak(); 3364a2b7b749SLen Brown 3365fdf676e5SLen Brown do_gfx_rc6_ms = !access("/sys/class/drm/card0/power/rc6_residency_ms", R_OK); 3366fdf676e5SLen Brown 336727d47356SLen Brown do_gfx_mhz = !access("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", R_OK); 336827d47356SLen Brown 3369889facbeSLen Brown return; 3370103a8feaSLen Brown } 3371103a8feaSLen Brown 3372d8af6f5fSLen Brown void help() 3373103a8feaSLen Brown { 3374b7d8c148SLen Brown fprintf(outf, 3375d8af6f5fSLen Brown "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n" 3376d8af6f5fSLen Brown "\n" 3377d8af6f5fSLen Brown "Turbostat forks the specified COMMAND and prints statistics\n" 3378d8af6f5fSLen Brown "when COMMAND completes.\n" 3379d8af6f5fSLen Brown "If no COMMAND is specified, turbostat wakes every 5-seconds\n" 3380d8af6f5fSLen Brown "to print statistics, until interrupted.\n" 3381d8af6f5fSLen Brown "--debug run in \"debug\" mode\n" 3382d8af6f5fSLen Brown "--interval sec Override default 5-second measurement interval\n" 3383d8af6f5fSLen Brown "--help print this help message\n" 3384d8af6f5fSLen Brown "--counter msr print 32-bit counter at address \"msr\"\n" 3385d8af6f5fSLen Brown "--Counter msr print 64-bit Counter at address \"msr\"\n" 3386b7d8c148SLen Brown "--out file create or truncate \"file\" for all output\n" 3387d8af6f5fSLen Brown "--msr msr print 32-bit value at address \"msr\"\n" 3388d8af6f5fSLen Brown "--MSR msr print 64-bit Value at address \"msr\"\n" 3389d8af6f5fSLen Brown "--version print version information\n" 3390d8af6f5fSLen Brown "\n" 3391d8af6f5fSLen Brown "For more help, run \"man turbostat\"\n"); 3392103a8feaSLen Brown } 3393103a8feaSLen Brown 3394103a8feaSLen Brown 3395103a8feaSLen Brown /* 3396103a8feaSLen Brown * in /dev/cpu/ return success for names that are numbers 3397103a8feaSLen Brown * ie. filter out ".", "..", "microcode". 3398103a8feaSLen Brown */ 3399103a8feaSLen Brown int dir_filter(const struct dirent *dirp) 3400103a8feaSLen Brown { 3401103a8feaSLen Brown if (isdigit(dirp->d_name[0])) 3402103a8feaSLen Brown return 1; 3403103a8feaSLen Brown else 3404103a8feaSLen Brown return 0; 3405103a8feaSLen Brown } 3406103a8feaSLen Brown 3407103a8feaSLen Brown int open_dev_cpu_msr(int dummy1) 3408103a8feaSLen Brown { 3409103a8feaSLen Brown return 0; 3410103a8feaSLen Brown } 3411103a8feaSLen Brown 3412c98d5d94SLen Brown void topology_probe() 3413c98d5d94SLen Brown { 3414c98d5d94SLen Brown int i; 3415c98d5d94SLen Brown int max_core_id = 0; 3416c98d5d94SLen Brown int max_package_id = 0; 3417c98d5d94SLen Brown int max_siblings = 0; 3418c98d5d94SLen Brown struct cpu_topology { 3419c98d5d94SLen Brown int core_id; 3420c98d5d94SLen Brown int physical_package_id; 3421c98d5d94SLen Brown } *cpus; 3422c98d5d94SLen Brown 3423c98d5d94SLen Brown /* Initialize num_cpus, max_cpu_num */ 3424c98d5d94SLen Brown topo.num_cpus = 0; 3425c98d5d94SLen Brown topo.max_cpu_num = 0; 3426c98d5d94SLen Brown for_all_proc_cpus(count_cpus); 3427c98d5d94SLen Brown if (!summary_only && topo.num_cpus > 1) 3428c98d5d94SLen Brown show_cpu = 1; 3429c98d5d94SLen Brown 3430d8af6f5fSLen Brown if (debug > 1) 3431b7d8c148SLen Brown fprintf(outf, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num); 3432c98d5d94SLen Brown 3433c98d5d94SLen Brown cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology)); 3434b2c95d90SJosh Triplett if (cpus == NULL) 3435b2c95d90SJosh Triplett err(1, "calloc cpus"); 3436c98d5d94SLen Brown 3437c98d5d94SLen Brown /* 3438c98d5d94SLen Brown * Allocate and initialize cpu_present_set 3439c98d5d94SLen Brown */ 3440c98d5d94SLen Brown cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1)); 3441b2c95d90SJosh Triplett if (cpu_present_set == NULL) 3442b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 3443c98d5d94SLen Brown cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 3444c98d5d94SLen Brown CPU_ZERO_S(cpu_present_setsize, cpu_present_set); 3445c98d5d94SLen Brown for_all_proc_cpus(mark_cpu_present); 3446c98d5d94SLen Brown 3447c98d5d94SLen Brown /* 3448c98d5d94SLen Brown * Allocate and initialize cpu_affinity_set 3449c98d5d94SLen Brown */ 3450c98d5d94SLen Brown cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1)); 3451b2c95d90SJosh Triplett if (cpu_affinity_set == NULL) 3452b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 3453c98d5d94SLen Brown cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 3454c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 3455c98d5d94SLen Brown 3456c98d5d94SLen Brown 3457c98d5d94SLen Brown /* 3458c98d5d94SLen Brown * For online cpus 3459c98d5d94SLen Brown * find max_core_id, max_package_id 3460c98d5d94SLen Brown */ 3461c98d5d94SLen Brown for (i = 0; i <= topo.max_cpu_num; ++i) { 3462c98d5d94SLen Brown int siblings; 3463c98d5d94SLen Brown 3464c98d5d94SLen Brown if (cpu_is_not_present(i)) { 3465d8af6f5fSLen Brown if (debug > 1) 3466b7d8c148SLen Brown fprintf(outf, "cpu%d NOT PRESENT\n", i); 3467c98d5d94SLen Brown continue; 3468c98d5d94SLen Brown } 3469c98d5d94SLen Brown cpus[i].core_id = get_core_id(i); 3470c98d5d94SLen Brown if (cpus[i].core_id > max_core_id) 3471c98d5d94SLen Brown max_core_id = cpus[i].core_id; 3472c98d5d94SLen Brown 3473c98d5d94SLen Brown cpus[i].physical_package_id = get_physical_package_id(i); 3474c98d5d94SLen Brown if (cpus[i].physical_package_id > max_package_id) 3475c98d5d94SLen Brown max_package_id = cpus[i].physical_package_id; 3476c98d5d94SLen Brown 3477c98d5d94SLen Brown siblings = get_num_ht_siblings(i); 3478c98d5d94SLen Brown if (siblings > max_siblings) 3479c98d5d94SLen Brown max_siblings = siblings; 3480d8af6f5fSLen Brown if (debug > 1) 3481b7d8c148SLen Brown fprintf(outf, "cpu %d pkg %d core %d\n", 3482c98d5d94SLen Brown i, cpus[i].physical_package_id, cpus[i].core_id); 3483c98d5d94SLen Brown } 3484c98d5d94SLen Brown topo.num_cores_per_pkg = max_core_id + 1; 3485d8af6f5fSLen Brown if (debug > 1) 3486b7d8c148SLen Brown fprintf(outf, "max_core_id %d, sizing for %d cores per package\n", 3487c98d5d94SLen Brown max_core_id, topo.num_cores_per_pkg); 34881cc21f7bSLen Brown if (debug && !summary_only && topo.num_cores_per_pkg > 1) 3489c98d5d94SLen Brown show_core = 1; 3490c98d5d94SLen Brown 3491c98d5d94SLen Brown topo.num_packages = max_package_id + 1; 3492d8af6f5fSLen Brown if (debug > 1) 3493b7d8c148SLen Brown fprintf(outf, "max_package_id %d, sizing for %d packages\n", 3494c98d5d94SLen Brown max_package_id, topo.num_packages); 34951cc21f7bSLen Brown if (debug && !summary_only && topo.num_packages > 1) 3496c98d5d94SLen Brown show_pkg = 1; 3497c98d5d94SLen Brown 3498c98d5d94SLen Brown topo.num_threads_per_core = max_siblings; 3499d8af6f5fSLen Brown if (debug > 1) 3500b7d8c148SLen Brown fprintf(outf, "max_siblings %d\n", max_siblings); 3501c98d5d94SLen Brown 3502c98d5d94SLen Brown free(cpus); 3503c98d5d94SLen Brown } 3504c98d5d94SLen Brown 3505c98d5d94SLen Brown void 3506c98d5d94SLen Brown allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p) 3507c98d5d94SLen Brown { 3508c98d5d94SLen Brown int i; 3509c98d5d94SLen Brown 3510c98d5d94SLen Brown *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg * 3511c98d5d94SLen Brown topo.num_packages, sizeof(struct thread_data)); 3512c98d5d94SLen Brown if (*t == NULL) 3513c98d5d94SLen Brown goto error; 3514c98d5d94SLen Brown 3515c98d5d94SLen Brown for (i = 0; i < topo.num_threads_per_core * 3516c98d5d94SLen Brown topo.num_cores_per_pkg * topo.num_packages; i++) 3517c98d5d94SLen Brown (*t)[i].cpu_id = -1; 3518c98d5d94SLen Brown 3519c98d5d94SLen Brown *c = calloc(topo.num_cores_per_pkg * topo.num_packages, 3520c98d5d94SLen Brown sizeof(struct core_data)); 3521c98d5d94SLen Brown if (*c == NULL) 3522c98d5d94SLen Brown goto error; 3523c98d5d94SLen Brown 3524c98d5d94SLen Brown for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++) 3525c98d5d94SLen Brown (*c)[i].core_id = -1; 3526c98d5d94SLen Brown 3527c98d5d94SLen Brown *p = calloc(topo.num_packages, sizeof(struct pkg_data)); 3528c98d5d94SLen Brown if (*p == NULL) 3529c98d5d94SLen Brown goto error; 3530c98d5d94SLen Brown 3531c98d5d94SLen Brown for (i = 0; i < topo.num_packages; i++) 3532c98d5d94SLen Brown (*p)[i].package_id = i; 3533c98d5d94SLen Brown 3534c98d5d94SLen Brown return; 3535c98d5d94SLen Brown error: 3536b2c95d90SJosh Triplett err(1, "calloc counters"); 3537c98d5d94SLen Brown } 3538c98d5d94SLen Brown /* 3539c98d5d94SLen Brown * init_counter() 3540c98d5d94SLen Brown * 3541c98d5d94SLen Brown * set cpu_id, core_num, pkg_num 3542c98d5d94SLen Brown * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE 3543c98d5d94SLen Brown * 3544c98d5d94SLen Brown * increment topo.num_cores when 1st core in pkg seen 3545c98d5d94SLen Brown */ 3546c98d5d94SLen Brown void init_counter(struct thread_data *thread_base, struct core_data *core_base, 3547c98d5d94SLen Brown struct pkg_data *pkg_base, int thread_num, int core_num, 3548c98d5d94SLen Brown int pkg_num, int cpu_id) 3549c98d5d94SLen Brown { 3550c98d5d94SLen Brown struct thread_data *t; 3551c98d5d94SLen Brown struct core_data *c; 3552c98d5d94SLen Brown struct pkg_data *p; 3553c98d5d94SLen Brown 3554c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_num, core_num, pkg_num); 3555c98d5d94SLen Brown c = GET_CORE(core_base, core_num, pkg_num); 3556c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_num); 3557c98d5d94SLen Brown 3558c98d5d94SLen Brown t->cpu_id = cpu_id; 3559c98d5d94SLen Brown if (thread_num == 0) { 3560c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_THREAD_IN_CORE; 3561c98d5d94SLen Brown if (cpu_is_first_core_in_package(cpu_id)) 3562c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE; 3563c98d5d94SLen Brown } 3564c98d5d94SLen Brown 3565c98d5d94SLen Brown c->core_id = core_num; 3566c98d5d94SLen Brown p->package_id = pkg_num; 3567c98d5d94SLen Brown } 3568c98d5d94SLen Brown 3569c98d5d94SLen Brown 3570c98d5d94SLen Brown int initialize_counters(int cpu_id) 3571c98d5d94SLen Brown { 3572c98d5d94SLen Brown int my_thread_id, my_core_id, my_package_id; 3573c98d5d94SLen Brown 3574c98d5d94SLen Brown my_package_id = get_physical_package_id(cpu_id); 3575c98d5d94SLen Brown my_core_id = get_core_id(cpu_id); 3576e275b388SDasaratharaman Chandramouli my_thread_id = get_cpu_position_in_core(cpu_id); 3577e275b388SDasaratharaman Chandramouli if (!my_thread_id) 3578c98d5d94SLen Brown topo.num_cores++; 3579c98d5d94SLen Brown 3580c98d5d94SLen Brown init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3581c98d5d94SLen Brown init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3582c98d5d94SLen Brown return 0; 3583c98d5d94SLen Brown } 3584c98d5d94SLen Brown 3585c98d5d94SLen Brown void allocate_output_buffer() 3586c98d5d94SLen Brown { 35873b4d5c7fSAndy Shevchenko output_buffer = calloc(1, (1 + topo.num_cpus) * 1024); 3588c98d5d94SLen Brown outp = output_buffer; 3589b2c95d90SJosh Triplett if (outp == NULL) 3590b2c95d90SJosh Triplett err(-1, "calloc output buffer"); 3591c98d5d94SLen Brown } 359236229897SLen Brown void allocate_fd_percpu(void) 359336229897SLen Brown { 359401a67adfSMika Westerberg fd_percpu = calloc(topo.max_cpu_num + 1, sizeof(int)); 359536229897SLen Brown if (fd_percpu == NULL) 359636229897SLen Brown err(-1, "calloc fd_percpu"); 359736229897SLen Brown } 3598562a2d37SLen Brown void allocate_irq_buffers(void) 3599562a2d37SLen Brown { 3600562a2d37SLen Brown irq_column_2_cpu = calloc(topo.num_cpus, sizeof(int)); 3601562a2d37SLen Brown if (irq_column_2_cpu == NULL) 3602562a2d37SLen Brown err(-1, "calloc %d", topo.num_cpus); 3603c98d5d94SLen Brown 360401a67adfSMika Westerberg irqs_per_cpu = calloc(topo.max_cpu_num + 1, sizeof(int)); 3605562a2d37SLen Brown if (irqs_per_cpu == NULL) 360601a67adfSMika Westerberg err(-1, "calloc %d", topo.max_cpu_num + 1); 3607562a2d37SLen Brown } 3608c98d5d94SLen Brown void setup_all_buffers(void) 3609c98d5d94SLen Brown { 3610c98d5d94SLen Brown topology_probe(); 3611562a2d37SLen Brown allocate_irq_buffers(); 361236229897SLen Brown allocate_fd_percpu(); 3613c98d5d94SLen Brown allocate_counters(&thread_even, &core_even, &package_even); 3614c98d5d94SLen Brown allocate_counters(&thread_odd, &core_odd, &package_odd); 3615c98d5d94SLen Brown allocate_output_buffer(); 3616c98d5d94SLen Brown for_all_proc_cpus(initialize_counters); 3617c98d5d94SLen Brown } 36183b4d5c7fSAndy Shevchenko 36197ce7d5deSPrarit Bhargava void set_base_cpu(void) 36207ce7d5deSPrarit Bhargava { 36217ce7d5deSPrarit Bhargava base_cpu = sched_getcpu(); 36227ce7d5deSPrarit Bhargava if (base_cpu < 0) 36237ce7d5deSPrarit Bhargava err(-ENODEV, "No valid cpus found"); 36247ce7d5deSPrarit Bhargava 36257ce7d5deSPrarit Bhargava if (debug > 1) 3626b7d8c148SLen Brown fprintf(outf, "base_cpu = %d\n", base_cpu); 36277ce7d5deSPrarit Bhargava } 36287ce7d5deSPrarit Bhargava 3629103a8feaSLen Brown void turbostat_init() 3630103a8feaSLen Brown { 36317ce7d5deSPrarit Bhargava setup_all_buffers(); 36327ce7d5deSPrarit Bhargava set_base_cpu(); 3633103a8feaSLen Brown check_dev_msr(); 363498481e79SLen Brown check_permissions(); 3635fcd17211SLen Brown process_cpuid(); 3636103a8feaSLen Brown 3637103a8feaSLen Brown 3638d8af6f5fSLen Brown if (debug) 36397f5c258eSLen Brown for_all_cpus(print_hwp, ODD_COUNTERS); 36407f5c258eSLen Brown 36417f5c258eSLen Brown if (debug) 3642889facbeSLen Brown for_all_cpus(print_epb, ODD_COUNTERS); 3643889facbeSLen Brown 3644d8af6f5fSLen Brown if (debug) 36453a9a941dSLen Brown for_all_cpus(print_perf_limit, ODD_COUNTERS); 36463a9a941dSLen Brown 3647d8af6f5fSLen Brown if (debug) 3648889facbeSLen Brown for_all_cpus(print_rapl, ODD_COUNTERS); 3649889facbeSLen Brown 3650889facbeSLen Brown for_all_cpus(set_temperature_target, ODD_COUNTERS); 3651889facbeSLen Brown 3652d8af6f5fSLen Brown if (debug) 3653889facbeSLen Brown for_all_cpus(print_thermal, ODD_COUNTERS); 36545a63426eSLen Brown 36555a63426eSLen Brown if (debug && do_irtl_snb) 36565a63426eSLen Brown print_irtl(); 3657103a8feaSLen Brown } 3658103a8feaSLen Brown 3659103a8feaSLen Brown int fork_it(char **argv) 3660103a8feaSLen Brown { 3661103a8feaSLen Brown pid_t child_pid; 3662d91bb17cSLen Brown int status; 3663d15cf7c1SLen Brown 3664d91bb17cSLen Brown status = for_all_cpus(get_counters, EVEN_COUNTERS); 3665d91bb17cSLen Brown if (status) 3666d91bb17cSLen Brown exit(status); 3667d15cf7c1SLen Brown /* clear affinity side-effect of get_counters() */ 3668d15cf7c1SLen Brown sched_setaffinity(0, cpu_present_setsize, cpu_present_set); 3669103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 3670103a8feaSLen Brown 3671103a8feaSLen Brown child_pid = fork(); 3672103a8feaSLen Brown if (!child_pid) { 3673103a8feaSLen Brown /* child */ 3674103a8feaSLen Brown execvp(argv[0], argv); 3675103a8feaSLen Brown } else { 3676103a8feaSLen Brown 3677103a8feaSLen Brown /* parent */ 3678b2c95d90SJosh Triplett if (child_pid == -1) 3679b2c95d90SJosh Triplett err(1, "fork"); 3680103a8feaSLen Brown 3681103a8feaSLen Brown signal(SIGINT, SIG_IGN); 3682103a8feaSLen Brown signal(SIGQUIT, SIG_IGN); 3683b2c95d90SJosh Triplett if (waitpid(child_pid, &status, 0) == -1) 3684b2c95d90SJosh Triplett err(status, "waitpid"); 3685103a8feaSLen Brown } 3686c98d5d94SLen Brown /* 3687c98d5d94SLen Brown * n.b. fork_it() does not check for errors from for_all_cpus() 3688c98d5d94SLen Brown * because re-starting is problematic when forking 3689c98d5d94SLen Brown */ 3690c98d5d94SLen Brown for_all_cpus(get_counters, ODD_COUNTERS); 3691103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 3692103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 3693ba3dec99SLen Brown if (for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS)) 3694ba3dec99SLen Brown fprintf(outf, "%s: Counter reset detected\n", progname); 3695ba3dec99SLen Brown else { 3696c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 3697c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 3698ba3dec99SLen Brown } 3699103a8feaSLen Brown 3700b7d8c148SLen Brown fprintf(outf, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); 3701b7d8c148SLen Brown 3702b7d8c148SLen Brown flush_output_stderr(); 3703103a8feaSLen Brown 3704d91bb17cSLen Brown return status; 3705103a8feaSLen Brown } 3706103a8feaSLen Brown 37073b4d5c7fSAndy Shevchenko int get_and_dump_counters(void) 37083b4d5c7fSAndy Shevchenko { 37093b4d5c7fSAndy Shevchenko int status; 37103b4d5c7fSAndy Shevchenko 37113b4d5c7fSAndy Shevchenko status = for_all_cpus(get_counters, ODD_COUNTERS); 37123b4d5c7fSAndy Shevchenko if (status) 37133b4d5c7fSAndy Shevchenko return status; 37143b4d5c7fSAndy Shevchenko 37153b4d5c7fSAndy Shevchenko status = for_all_cpus(dump_counters, ODD_COUNTERS); 37163b4d5c7fSAndy Shevchenko if (status) 37173b4d5c7fSAndy Shevchenko return status; 37183b4d5c7fSAndy Shevchenko 3719b7d8c148SLen Brown flush_output_stdout(); 37203b4d5c7fSAndy Shevchenko 37213b4d5c7fSAndy Shevchenko return status; 37223b4d5c7fSAndy Shevchenko } 37233b4d5c7fSAndy Shevchenko 3724d8af6f5fSLen Brown void print_version() { 37253d109de2SLen Brown fprintf(outf, "turbostat version 4.14 22 Apr 2016" 3726d8af6f5fSLen Brown " - Len Brown <lenb@kernel.org>\n"); 3727d8af6f5fSLen Brown } 3728d8af6f5fSLen Brown 3729103a8feaSLen Brown void cmdline(int argc, char **argv) 3730103a8feaSLen Brown { 3731103a8feaSLen Brown int opt; 3732d8af6f5fSLen Brown int option_index = 0; 3733d8af6f5fSLen Brown static struct option long_options[] = { 3734d8af6f5fSLen Brown {"Counter", required_argument, 0, 'C'}, 3735d8af6f5fSLen Brown {"counter", required_argument, 0, 'c'}, 3736d8af6f5fSLen Brown {"Dump", no_argument, 0, 'D'}, 3737d8af6f5fSLen Brown {"debug", no_argument, 0, 'd'}, 3738d8af6f5fSLen Brown {"interval", required_argument, 0, 'i'}, 3739d8af6f5fSLen Brown {"help", no_argument, 0, 'h'}, 3740d8af6f5fSLen Brown {"Joules", no_argument, 0, 'J'}, 3741d8af6f5fSLen Brown {"MSR", required_argument, 0, 'M'}, 3742d8af6f5fSLen Brown {"msr", required_argument, 0, 'm'}, 3743b7d8c148SLen Brown {"out", required_argument, 0, 'o'}, 3744d8af6f5fSLen Brown {"Package", no_argument, 0, 'p'}, 3745d8af6f5fSLen Brown {"processor", no_argument, 0, 'p'}, 3746d8af6f5fSLen Brown {"Summary", no_argument, 0, 'S'}, 3747d8af6f5fSLen Brown {"TCC", required_argument, 0, 'T'}, 3748d8af6f5fSLen Brown {"version", no_argument, 0, 'v' }, 3749d8af6f5fSLen Brown {0, 0, 0, 0 } 3750d8af6f5fSLen Brown }; 3751103a8feaSLen Brown 3752103a8feaSLen Brown progname = argv[0]; 3753103a8feaSLen Brown 3754b7d8c148SLen Brown while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:JM:m:o:PpST:v", 3755d8af6f5fSLen Brown long_options, &option_index)) != -1) { 3756103a8feaSLen Brown switch (opt) { 3757d8af6f5fSLen Brown case 'C': 3758d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_delta_offset64); 3759103a8feaSLen Brown break; 3760f9240813SLen Brown case 'c': 37618e180f3cSLen Brown sscanf(optarg, "%x", &extra_delta_offset32); 37628e180f3cSLen Brown break; 3763d8af6f5fSLen Brown case 'D': 3764d8af6f5fSLen Brown dump_only++; 37658e180f3cSLen Brown break; 3766d8af6f5fSLen Brown case 'd': 3767d8af6f5fSLen Brown debug++; 37682f32edf1SLen Brown break; 3769d8af6f5fSLen Brown case 'h': 3770d8af6f5fSLen Brown default: 3771d8af6f5fSLen Brown help(); 3772d8af6f5fSLen Brown exit(1); 3773d8af6f5fSLen Brown case 'i': 37742a0609c0SLen Brown { 37752a0609c0SLen Brown double interval = strtod(optarg, NULL); 37762a0609c0SLen Brown 37772a0609c0SLen Brown if (interval < 0.001) { 3778b7d8c148SLen Brown fprintf(outf, "interval %f seconds is too small\n", 37792a0609c0SLen Brown interval); 37802a0609c0SLen Brown exit(2); 37812a0609c0SLen Brown } 37822a0609c0SLen Brown 37832a0609c0SLen Brown interval_ts.tv_sec = interval; 37842a0609c0SLen Brown interval_ts.tv_nsec = (interval - interval_ts.tv_sec) * 1000000000; 37852a0609c0SLen Brown } 3786889facbeSLen Brown break; 37875c56be9aSDirk Brandewie case 'J': 37885c56be9aSDirk Brandewie rapl_joules++; 37895c56be9aSDirk Brandewie break; 3790d8af6f5fSLen Brown case 'M': 3791d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset64); 3792d8af6f5fSLen Brown break; 3793d8af6f5fSLen Brown case 'm': 3794d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset32); 3795d8af6f5fSLen Brown break; 3796b7d8c148SLen Brown case 'o': 3797b7d8c148SLen Brown outf = fopen_or_die(optarg, "w"); 3798b7d8c148SLen Brown break; 3799d8af6f5fSLen Brown case 'P': 3800d8af6f5fSLen Brown show_pkg_only++; 3801d8af6f5fSLen Brown break; 3802d8af6f5fSLen Brown case 'p': 3803d8af6f5fSLen Brown show_core_only++; 3804d8af6f5fSLen Brown break; 3805d8af6f5fSLen Brown case 'S': 3806d8af6f5fSLen Brown summary_only++; 3807d8af6f5fSLen Brown break; 3808d8af6f5fSLen Brown case 'T': 3809d8af6f5fSLen Brown tcc_activation_temp_override = atoi(optarg); 3810d8af6f5fSLen Brown break; 3811d8af6f5fSLen Brown case 'v': 3812d8af6f5fSLen Brown print_version(); 3813d8af6f5fSLen Brown exit(0); 3814d8af6f5fSLen Brown break; 3815103a8feaSLen Brown } 3816103a8feaSLen Brown } 3817103a8feaSLen Brown } 3818103a8feaSLen Brown 3819103a8feaSLen Brown int main(int argc, char **argv) 3820103a8feaSLen Brown { 3821b7d8c148SLen Brown outf = stderr; 3822b7d8c148SLen Brown 3823103a8feaSLen Brown cmdline(argc, argv); 3824103a8feaSLen Brown 3825d8af6f5fSLen Brown if (debug) 3826d8af6f5fSLen Brown print_version(); 3827103a8feaSLen Brown 3828103a8feaSLen Brown turbostat_init(); 3829103a8feaSLen Brown 38303b4d5c7fSAndy Shevchenko /* dump counters and exit */ 38313b4d5c7fSAndy Shevchenko if (dump_only) 38323b4d5c7fSAndy Shevchenko return get_and_dump_counters(); 38333b4d5c7fSAndy Shevchenko 3834103a8feaSLen Brown /* 3835103a8feaSLen Brown * if any params left, it must be a command to fork 3836103a8feaSLen Brown */ 3837103a8feaSLen Brown if (argc - optind) 3838103a8feaSLen Brown return fork_it(argv + optind); 3839103a8feaSLen Brown else 3840103a8feaSLen Brown turbostat_loop(); 3841103a8feaSLen Brown 3842103a8feaSLen Brown return 0; 3843103a8feaSLen Brown } 3844