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; 48*36229897SLen 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 skip_c0; 55103a8feaSLen Brown unsigned int skip_c1; 56103a8feaSLen Brown unsigned int do_nhm_cstates; 57103a8feaSLen Brown unsigned int do_snb_cstates; 58fb5d4327SDasaratharaman Chandramouli unsigned int do_knl_cstates; 59ee7e38e3SLen Brown unsigned int do_pc2; 60ee7e38e3SLen Brown unsigned int do_pc3; 61ee7e38e3SLen Brown unsigned int do_pc6; 62ee7e38e3SLen Brown unsigned int do_pc7; 63ca58710fSKristen Carlson Accardi unsigned int do_c8_c9_c10; 640b2bb692SLen Brown unsigned int do_skl_residency; 65144b44b1SLen Brown unsigned int do_slm_cstates; 66144b44b1SLen Brown unsigned int use_c1_residency_msr; 67103a8feaSLen Brown unsigned int has_aperf; 68889facbeSLen Brown unsigned int has_epb; 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; 781ed51011SLen Brown int do_smi; 79103a8feaSLen Brown double bclk; 80a2b7b749SLen Brown double base_hz; 8121ed5574SLen Brown unsigned int has_base_hz; 82a2b7b749SLen Brown double tsc_tweak = 1.0; 83103a8feaSLen Brown unsigned int show_pkg; 84103a8feaSLen Brown unsigned int show_core; 85103a8feaSLen Brown unsigned int show_cpu; 86c98d5d94SLen Brown unsigned int show_pkg_only; 87c98d5d94SLen Brown unsigned int show_core_only; 88c98d5d94SLen Brown char *output_buffer, *outp; 89889facbeSLen Brown unsigned int do_rapl; 90889facbeSLen Brown unsigned int do_dts; 91889facbeSLen Brown unsigned int do_ptm; 92889facbeSLen Brown unsigned int tcc_activation_temp; 93889facbeSLen Brown unsigned int tcc_activation_temp_override; 9440ee8e3bSAndrey Semin double rapl_power_units, rapl_time_units; 9540ee8e3bSAndrey Semin double rapl_dram_energy_units, rapl_energy_units; 96889facbeSLen Brown double rapl_joule_counter_range; 973a9a941dSLen Brown unsigned int do_core_perf_limit_reasons; 983a9a941dSLen Brown unsigned int do_gfx_perf_limit_reasons; 993a9a941dSLen Brown unsigned int do_ring_perf_limit_reasons; 1008a5bdf41SLen Brown unsigned int crystal_hz; 1018a5bdf41SLen Brown unsigned long long tsc_hz; 1027ce7d5deSPrarit Bhargava int base_cpu; 10321ed5574SLen Brown double discover_bclk(unsigned int family, unsigned int model); 1047f5c258eSLen Brown unsigned int has_hwp; /* IA32_PM_ENABLE, IA32_HWP_CAPABILITIES */ 1057f5c258eSLen Brown /* IA32_HWP_REQUEST, IA32_HWP_STATUS */ 1067f5c258eSLen Brown unsigned int has_hwp_notify; /* IA32_HWP_INTERRUPT */ 1077f5c258eSLen Brown unsigned int has_hwp_activity_window; /* IA32_HWP_REQUEST[bits 41:32] */ 1087f5c258eSLen Brown unsigned int has_hwp_epp; /* IA32_HWP_REQUEST[bits 31:24] */ 1097f5c258eSLen Brown unsigned int has_hwp_pkg; /* IA32_HWP_REQUEST_PKG */ 110889facbeSLen Brown 111889facbeSLen Brown #define RAPL_PKG (1 << 0) 112e6f9bb3cSLen Brown /* 0x610 MSR_PKG_POWER_LIMIT */ 113e6f9bb3cSLen Brown /* 0x611 MSR_PKG_ENERGY_STATUS */ 114e6f9bb3cSLen Brown #define RAPL_PKG_PERF_STATUS (1 << 1) 115e6f9bb3cSLen Brown /* 0x613 MSR_PKG_PERF_STATUS */ 116e6f9bb3cSLen Brown #define RAPL_PKG_POWER_INFO (1 << 2) 117e6f9bb3cSLen Brown /* 0x614 MSR_PKG_POWER_INFO */ 118e6f9bb3cSLen Brown 119889facbeSLen Brown #define RAPL_DRAM (1 << 3) 120e6f9bb3cSLen Brown /* 0x618 MSR_DRAM_POWER_LIMIT */ 121e6f9bb3cSLen Brown /* 0x619 MSR_DRAM_ENERGY_STATUS */ 122e6f9bb3cSLen Brown #define RAPL_DRAM_PERF_STATUS (1 << 4) 123e6f9bb3cSLen Brown /* 0x61b MSR_DRAM_PERF_STATUS */ 1240b2bb692SLen Brown #define RAPL_DRAM_POWER_INFO (1 << 5) 1250b2bb692SLen Brown /* 0x61c MSR_DRAM_POWER_INFO */ 126e6f9bb3cSLen Brown 1270b2bb692SLen Brown #define RAPL_CORES (1 << 6) 128e6f9bb3cSLen Brown /* 0x638 MSR_PP0_POWER_LIMIT */ 129e6f9bb3cSLen Brown /* 0x639 MSR_PP0_ENERGY_STATUS */ 1300b2bb692SLen Brown #define RAPL_CORE_POLICY (1 << 7) 131e6f9bb3cSLen Brown /* 0x63a MSR_PP0_POLICY */ 132e6f9bb3cSLen Brown 1330b2bb692SLen Brown #define RAPL_GFX (1 << 8) 134e6f9bb3cSLen Brown /* 0x640 MSR_PP1_POWER_LIMIT */ 135e6f9bb3cSLen Brown /* 0x641 MSR_PP1_ENERGY_STATUS */ 136e6f9bb3cSLen Brown /* 0x642 MSR_PP1_POLICY */ 137889facbeSLen Brown #define TJMAX_DEFAULT 100 138889facbeSLen Brown 139889facbeSLen Brown #define MAX(a, b) ((a) > (b) ? (a) : (b)) 140103a8feaSLen Brown 141103a8feaSLen Brown int aperf_mperf_unstable; 142103a8feaSLen Brown int backwards_count; 143103a8feaSLen Brown char *progname; 144103a8feaSLen Brown 145c98d5d94SLen Brown cpu_set_t *cpu_present_set, *cpu_affinity_set; 146c98d5d94SLen Brown size_t cpu_present_setsize, cpu_affinity_setsize; 147c98d5d94SLen Brown 148c98d5d94SLen Brown struct thread_data { 149c98d5d94SLen Brown unsigned long long tsc; 150c98d5d94SLen Brown unsigned long long aperf; 151c98d5d94SLen Brown unsigned long long mperf; 152144b44b1SLen Brown unsigned long long c1; 1532f32edf1SLen Brown unsigned long long extra_msr64; 1548e180f3cSLen Brown unsigned long long extra_delta64; 1558e180f3cSLen Brown unsigned long long extra_msr32; 1568e180f3cSLen Brown unsigned long long extra_delta32; 1571ed51011SLen Brown unsigned int smi_count; 158c98d5d94SLen Brown unsigned int cpu_id; 159c98d5d94SLen Brown unsigned int flags; 160c98d5d94SLen Brown #define CPU_IS_FIRST_THREAD_IN_CORE 0x2 161c98d5d94SLen Brown #define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4 162c98d5d94SLen Brown } *thread_even, *thread_odd; 163c98d5d94SLen Brown 164c98d5d94SLen Brown struct core_data { 165c98d5d94SLen Brown unsigned long long c3; 166c98d5d94SLen Brown unsigned long long c6; 167c98d5d94SLen Brown unsigned long long c7; 168889facbeSLen Brown unsigned int core_temp_c; 169c98d5d94SLen Brown unsigned int core_id; 170c98d5d94SLen Brown } *core_even, *core_odd; 171c98d5d94SLen Brown 172c98d5d94SLen Brown struct pkg_data { 173c98d5d94SLen Brown unsigned long long pc2; 174c98d5d94SLen Brown unsigned long long pc3; 175c98d5d94SLen Brown unsigned long long pc6; 176c98d5d94SLen Brown unsigned long long pc7; 177ca58710fSKristen Carlson Accardi unsigned long long pc8; 178ca58710fSKristen Carlson Accardi unsigned long long pc9; 179ca58710fSKristen Carlson Accardi unsigned long long pc10; 1800b2bb692SLen Brown unsigned long long pkg_wtd_core_c0; 1810b2bb692SLen Brown unsigned long long pkg_any_core_c0; 1820b2bb692SLen Brown unsigned long long pkg_any_gfxe_c0; 1830b2bb692SLen Brown unsigned long long pkg_both_core_gfxe_c0; 184c98d5d94SLen Brown unsigned int package_id; 185889facbeSLen Brown unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */ 186889facbeSLen Brown unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */ 187889facbeSLen Brown unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */ 188889facbeSLen Brown unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */ 189889facbeSLen Brown unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */ 190889facbeSLen Brown unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */ 191889facbeSLen Brown unsigned int pkg_temp_c; 192889facbeSLen Brown 193c98d5d94SLen Brown } *package_even, *package_odd; 194c98d5d94SLen Brown 195c98d5d94SLen Brown #define ODD_COUNTERS thread_odd, core_odd, package_odd 196c98d5d94SLen Brown #define EVEN_COUNTERS thread_even, core_even, package_even 197c98d5d94SLen Brown 198c98d5d94SLen Brown #define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \ 199c98d5d94SLen Brown (thread_base + (pkg_no) * topo.num_cores_per_pkg * \ 200c98d5d94SLen Brown topo.num_threads_per_core + \ 201c98d5d94SLen Brown (core_no) * topo.num_threads_per_core + (thread_no)) 202c98d5d94SLen Brown #define GET_CORE(core_base, core_no, pkg_no) \ 203c98d5d94SLen Brown (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no)) 204c98d5d94SLen Brown #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no) 205c98d5d94SLen Brown 206c98d5d94SLen Brown struct system_summary { 207c98d5d94SLen Brown struct thread_data threads; 208c98d5d94SLen Brown struct core_data cores; 209c98d5d94SLen Brown struct pkg_data packages; 210c98d5d94SLen Brown } sum, average; 211c98d5d94SLen Brown 212c98d5d94SLen Brown 213c98d5d94SLen Brown struct topo_params { 214c98d5d94SLen Brown int num_packages; 215103a8feaSLen Brown int num_cpus; 216c98d5d94SLen Brown int num_cores; 217c98d5d94SLen Brown int max_cpu_num; 218c98d5d94SLen Brown int num_cores_per_pkg; 219c98d5d94SLen Brown int num_threads_per_core; 220c98d5d94SLen Brown } topo; 221103a8feaSLen Brown 222c98d5d94SLen Brown struct timeval tv_even, tv_odd, tv_delta; 223103a8feaSLen Brown 224c98d5d94SLen Brown void setup_all_buffers(void); 225103a8feaSLen Brown 226c98d5d94SLen Brown int cpu_is_not_present(int cpu) 227d15cf7c1SLen Brown { 228c98d5d94SLen Brown return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set); 229c98d5d94SLen Brown } 230c98d5d94SLen Brown /* 231c98d5d94SLen Brown * run func(thread, core, package) in topology order 232c98d5d94SLen Brown * skip non-present cpus 233c98d5d94SLen Brown */ 234c98d5d94SLen Brown 235c98d5d94SLen Brown int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *), 236c98d5d94SLen Brown struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base) 237c98d5d94SLen Brown { 238c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 239c98d5d94SLen Brown 240c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 241c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 242c98d5d94SLen Brown for (thread_no = 0; thread_no < 243c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 244c98d5d94SLen Brown struct thread_data *t; 245c98d5d94SLen Brown struct core_data *c; 246c98d5d94SLen Brown struct pkg_data *p; 247c98d5d94SLen Brown 248c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 249c98d5d94SLen Brown 250c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 251c98d5d94SLen Brown continue; 252c98d5d94SLen Brown 253c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 254c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 255c98d5d94SLen Brown 256c98d5d94SLen Brown retval = func(t, c, p); 257c98d5d94SLen Brown if (retval) 258c98d5d94SLen Brown return retval; 259c98d5d94SLen Brown } 260c98d5d94SLen Brown } 261c98d5d94SLen Brown } 262d15cf7c1SLen Brown return 0; 263d15cf7c1SLen Brown } 264d15cf7c1SLen Brown 26588c3281fSLen Brown int cpu_migrate(int cpu) 26688c3281fSLen Brown { 267c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 268c98d5d94SLen Brown CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set); 269c98d5d94SLen Brown if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1) 27088c3281fSLen Brown return -1; 27188c3281fSLen Brown else 27288c3281fSLen Brown return 0; 27388c3281fSLen Brown } 274*36229897SLen Brown int get_msr_fd(int cpu) 275103a8feaSLen Brown { 276103a8feaSLen Brown char pathname[32]; 277103a8feaSLen Brown int fd; 278103a8feaSLen Brown 279*36229897SLen Brown fd = fd_percpu[cpu]; 280*36229897SLen Brown 281*36229897SLen Brown if (fd) 282*36229897SLen Brown return fd; 283*36229897SLen Brown 284103a8feaSLen Brown sprintf(pathname, "/dev/cpu/%d/msr", cpu); 285103a8feaSLen Brown fd = open(pathname, O_RDONLY); 28615aaa346SLen Brown if (fd < 0) 28798481e79SLen Brown err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname); 288103a8feaSLen Brown 289*36229897SLen Brown fd_percpu[cpu] = fd; 290*36229897SLen Brown 291*36229897SLen Brown return fd; 292*36229897SLen Brown } 293*36229897SLen Brown 294*36229897SLen Brown int get_msr(int cpu, off_t offset, unsigned long long *msr) 295*36229897SLen Brown { 296*36229897SLen Brown ssize_t retval; 297*36229897SLen Brown 298*36229897SLen Brown retval = pread(get_msr_fd(cpu), msr, sizeof(*msr), offset); 29915aaa346SLen Brown 30098481e79SLen Brown if (retval != sizeof *msr) 301*36229897SLen Brown err(-1, "msr %d offset 0x%llx read failed", cpu, (unsigned long long)offset); 30215aaa346SLen Brown 30315aaa346SLen Brown return 0; 304103a8feaSLen Brown } 305103a8feaSLen Brown 306fc04cc67SLen Brown /* 307fc04cc67SLen Brown * Example Format w/ field column widths: 308fc04cc67SLen Brown * 30975d2e44eSLen Brown * Package Core CPU Avg_MHz Bzy_MHz TSC_MHz SMI Busy% CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt 310e7c95ff3SLen Brown * 123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678 311fc04cc67SLen Brown */ 312fc04cc67SLen Brown 313a829eb4dSLen Brown void print_header(void) 314103a8feaSLen Brown { 315103a8feaSLen Brown if (show_pkg) 316fc04cc67SLen Brown outp += sprintf(outp, " Package"); 317103a8feaSLen Brown if (show_core) 318fc04cc67SLen Brown outp += sprintf(outp, " Core"); 319103a8feaSLen Brown if (show_cpu) 320c98d5d94SLen Brown outp += sprintf(outp, " CPU"); 321103a8feaSLen Brown if (has_aperf) 322fc04cc67SLen Brown outp += sprintf(outp, " Avg_MHz"); 323d7899447SLen Brown if (has_aperf) 32475d2e44eSLen Brown outp += sprintf(outp, " Busy%%"); 325fc04cc67SLen Brown if (has_aperf) 326fc04cc67SLen Brown outp += sprintf(outp, " Bzy_MHz"); 327fc04cc67SLen Brown outp += sprintf(outp, " TSC_MHz"); 3281cc21f7bSLen Brown 3298e180f3cSLen Brown if (extra_delta_offset32) 330f9240813SLen Brown outp += sprintf(outp, " count 0x%03X", extra_delta_offset32); 3318e180f3cSLen Brown if (extra_delta_offset64) 332f9240813SLen Brown outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64); 3332f32edf1SLen Brown if (extra_msr_offset32) 3348e180f3cSLen Brown outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32); 3352f32edf1SLen Brown if (extra_msr_offset64) 3368e180f3cSLen Brown outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64); 3371cc21f7bSLen Brown 3381cc21f7bSLen Brown if (!debug) 3391cc21f7bSLen Brown goto done; 3401cc21f7bSLen Brown 3411cc21f7bSLen Brown if (do_smi) 3421cc21f7bSLen Brown outp += sprintf(outp, " SMI"); 3431cc21f7bSLen Brown 344103a8feaSLen Brown if (do_nhm_cstates) 345fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c1"); 346fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) 347fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c3"); 348103a8feaSLen Brown if (do_nhm_cstates) 349fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c6"); 350103a8feaSLen Brown if (do_snb_cstates) 351fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c7"); 352889facbeSLen Brown 353889facbeSLen Brown if (do_dts) 354fc04cc67SLen Brown outp += sprintf(outp, " CoreTmp"); 355889facbeSLen Brown if (do_ptm) 356fc04cc67SLen Brown outp += sprintf(outp, " PkgTmp"); 357889facbeSLen Brown 3580b2bb692SLen Brown if (do_skl_residency) { 3590b2bb692SLen Brown outp += sprintf(outp, " Totl%%C0"); 3600b2bb692SLen Brown outp += sprintf(outp, " Any%%C0"); 3610b2bb692SLen Brown outp += sprintf(outp, " GFX%%C0"); 3620b2bb692SLen Brown outp += sprintf(outp, " CPUGFX%%"); 3630b2bb692SLen Brown } 3640b2bb692SLen Brown 365ee7e38e3SLen Brown if (do_pc2) 366fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc2"); 367ee7e38e3SLen Brown if (do_pc3) 368fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc3"); 369ee7e38e3SLen Brown if (do_pc6) 370fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc6"); 371ee7e38e3SLen Brown if (do_pc7) 372fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc7"); 373ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 374fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc8"); 375fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc9"); 376fc04cc67SLen Brown outp += sprintf(outp, " Pk%%pc10"); 377ca58710fSKristen Carlson Accardi } 378103a8feaSLen Brown 3795c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 380889facbeSLen Brown if (do_rapl & RAPL_PKG) 381fc04cc67SLen Brown outp += sprintf(outp, " PkgWatt"); 382889facbeSLen Brown if (do_rapl & RAPL_CORES) 383fc04cc67SLen Brown outp += sprintf(outp, " CorWatt"); 384889facbeSLen Brown if (do_rapl & RAPL_GFX) 385fc04cc67SLen Brown outp += sprintf(outp, " GFXWatt"); 386889facbeSLen Brown if (do_rapl & RAPL_DRAM) 387fc04cc67SLen Brown outp += sprintf(outp, " RAMWatt"); 388889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 389889facbeSLen Brown outp += sprintf(outp, " PKG_%%"); 390889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 391889facbeSLen Brown outp += sprintf(outp, " RAM_%%"); 392d7899447SLen Brown } else if (do_rapl && rapl_joules) { 3935c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 3945c56be9aSDirk Brandewie outp += sprintf(outp, " Pkg_J"); 3955c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 3965c56be9aSDirk Brandewie outp += sprintf(outp, " Cor_J"); 3975c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 3985c56be9aSDirk Brandewie outp += sprintf(outp, " GFX_J"); 3995c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 400bd6906edSLen Brown outp += sprintf(outp, " RAM_J"); 4015c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 4025c56be9aSDirk Brandewie outp += sprintf(outp, " PKG_%%"); 4035c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 4045c56be9aSDirk Brandewie outp += sprintf(outp, " RAM_%%"); 4055c56be9aSDirk Brandewie outp += sprintf(outp, " time"); 406889facbeSLen Brown 4075c56be9aSDirk Brandewie } 4081cc21f7bSLen Brown done: 409c98d5d94SLen Brown outp += sprintf(outp, "\n"); 410103a8feaSLen Brown } 411103a8feaSLen Brown 412c98d5d94SLen Brown int dump_counters(struct thread_data *t, struct core_data *c, 413c98d5d94SLen Brown struct pkg_data *p) 414103a8feaSLen Brown { 4153b4d5c7fSAndy Shevchenko outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p); 416c98d5d94SLen Brown 417c98d5d94SLen Brown if (t) { 4183b4d5c7fSAndy Shevchenko outp += sprintf(outp, "CPU: %d flags 0x%x\n", 4193b4d5c7fSAndy Shevchenko t->cpu_id, t->flags); 4203b4d5c7fSAndy Shevchenko outp += sprintf(outp, "TSC: %016llX\n", t->tsc); 4213b4d5c7fSAndy Shevchenko outp += sprintf(outp, "aperf: %016llX\n", t->aperf); 4223b4d5c7fSAndy Shevchenko outp += sprintf(outp, "mperf: %016llX\n", t->mperf); 4233b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c1: %016llX\n", t->c1); 4243b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 4258e180f3cSLen Brown extra_delta_offset32, t->extra_delta32); 4263b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 4278e180f3cSLen Brown extra_delta_offset64, t->extra_delta64); 4283b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 4292f32edf1SLen Brown extra_msr_offset32, t->extra_msr32); 4303b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 4312f32edf1SLen Brown extra_msr_offset64, t->extra_msr64); 4321ed51011SLen Brown if (do_smi) 4333b4d5c7fSAndy Shevchenko outp += sprintf(outp, "SMI: %08X\n", t->smi_count); 434103a8feaSLen Brown } 435103a8feaSLen Brown 436c98d5d94SLen Brown if (c) { 4373b4d5c7fSAndy Shevchenko outp += sprintf(outp, "core: %d\n", c->core_id); 4383b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c3: %016llX\n", c->c3); 4393b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c6: %016llX\n", c->c6); 4403b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c7: %016llX\n", c->c7); 4413b4d5c7fSAndy Shevchenko outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c); 442c98d5d94SLen Brown } 443103a8feaSLen Brown 444c98d5d94SLen Brown if (p) { 4453b4d5c7fSAndy Shevchenko outp += sprintf(outp, "package: %d\n", p->package_id); 4460b2bb692SLen Brown 4470b2bb692SLen Brown outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0); 4480b2bb692SLen Brown outp += sprintf(outp, "Any cores: %016llX\n", p->pkg_any_core_c0); 4490b2bb692SLen Brown outp += sprintf(outp, "Any GFX: %016llX\n", p->pkg_any_gfxe_c0); 4500b2bb692SLen Brown outp += sprintf(outp, "CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0); 4510b2bb692SLen Brown 4523b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc2: %016llX\n", p->pc2); 453ee7e38e3SLen Brown if (do_pc3) 4543b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc3: %016llX\n", p->pc3); 455ee7e38e3SLen Brown if (do_pc6) 4563b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc6: %016llX\n", p->pc6); 457ee7e38e3SLen Brown if (do_pc7) 4583b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc7: %016llX\n", p->pc7); 4593b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc8: %016llX\n", p->pc8); 4603b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc9: %016llX\n", p->pc9); 4613b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc10: %016llX\n", p->pc10); 4623b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg); 4633b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores); 4643b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx); 4653b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram); 4663b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle PKG: %0X\n", 4673b4d5c7fSAndy Shevchenko p->rapl_pkg_perf_status); 4683b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle RAM: %0X\n", 4693b4d5c7fSAndy Shevchenko p->rapl_dram_perf_status); 4703b4d5c7fSAndy Shevchenko outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c); 471c98d5d94SLen Brown } 4723b4d5c7fSAndy Shevchenko 4733b4d5c7fSAndy Shevchenko outp += sprintf(outp, "\n"); 4743b4d5c7fSAndy Shevchenko 475c98d5d94SLen Brown return 0; 476103a8feaSLen Brown } 477103a8feaSLen Brown 478e23da037SLen Brown /* 479e23da037SLen Brown * column formatting convention & formats 480e23da037SLen Brown */ 481c98d5d94SLen Brown int format_counters(struct thread_data *t, struct core_data *c, 482c98d5d94SLen Brown struct pkg_data *p) 483103a8feaSLen Brown { 484103a8feaSLen Brown double interval_float; 485fc04cc67SLen Brown char *fmt8; 486103a8feaSLen Brown 487c98d5d94SLen Brown /* if showing only 1st thread in core and this isn't one, bail out */ 488c98d5d94SLen Brown if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 489c98d5d94SLen Brown return 0; 490c98d5d94SLen Brown 491c98d5d94SLen Brown /* if showing only 1st thread in pkg and this isn't one, bail out */ 492c98d5d94SLen Brown if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 493c98d5d94SLen Brown return 0; 494c98d5d94SLen Brown 495103a8feaSLen Brown interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0; 496103a8feaSLen Brown 497c98d5d94SLen Brown /* topo columns, print blanks on 1st (average) line */ 498c98d5d94SLen Brown if (t == &average.threads) { 499103a8feaSLen Brown if (show_pkg) 500fc04cc67SLen Brown outp += sprintf(outp, " -"); 501103a8feaSLen Brown if (show_core) 502fc04cc67SLen Brown outp += sprintf(outp, " -"); 503103a8feaSLen Brown if (show_cpu) 504fc04cc67SLen Brown outp += sprintf(outp, " -"); 505103a8feaSLen Brown } else { 506c98d5d94SLen Brown if (show_pkg) { 507c98d5d94SLen Brown if (p) 508fc04cc67SLen Brown outp += sprintf(outp, "%8d", p->package_id); 509c98d5d94SLen Brown else 510fc04cc67SLen Brown outp += sprintf(outp, " -"); 511c98d5d94SLen Brown } 512c98d5d94SLen Brown if (show_core) { 513c98d5d94SLen Brown if (c) 514fc04cc67SLen Brown outp += sprintf(outp, "%8d", c->core_id); 515c98d5d94SLen Brown else 516fc04cc67SLen Brown outp += sprintf(outp, " -"); 517c98d5d94SLen Brown } 518103a8feaSLen Brown if (show_cpu) 519fc04cc67SLen Brown outp += sprintf(outp, "%8d", t->cpu_id); 520103a8feaSLen Brown } 521fc04cc67SLen Brown 522d7899447SLen Brown /* Avg_MHz */ 523fc04cc67SLen Brown if (has_aperf) 524fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 525fc04cc67SLen Brown 1.0 / units * t->aperf / interval_float); 526fc04cc67SLen Brown 52775d2e44eSLen Brown /* Busy% */ 528d7899447SLen Brown if (has_aperf) { 529103a8feaSLen Brown if (!skip_c0) 530a2b7b749SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * t->mperf/t->tsc/tsc_tweak); 531103a8feaSLen Brown else 532fc04cc67SLen Brown outp += sprintf(outp, "********"); 533103a8feaSLen Brown } 534103a8feaSLen Brown 535d7899447SLen Brown /* Bzy_MHz */ 53621ed5574SLen Brown if (has_aperf) { 53721ed5574SLen Brown if (has_base_hz) 53821ed5574SLen Brown outp += sprintf(outp, "%8.0f", base_hz / units * t->aperf / t->mperf); 53921ed5574SLen Brown else 540fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 54121ed5574SLen Brown 1.0 * t->tsc / units * t->aperf / t->mperf / interval_float); 54221ed5574SLen Brown } 543103a8feaSLen Brown 544d7899447SLen Brown /* TSC_MHz */ 545fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 1.0 * t->tsc/units/interval_float); 546103a8feaSLen Brown 5478e180f3cSLen Brown /* delta */ 5488e180f3cSLen Brown if (extra_delta_offset32) 5498e180f3cSLen Brown outp += sprintf(outp, " %11llu", t->extra_delta32); 5508e180f3cSLen Brown 5518e180f3cSLen Brown /* DELTA */ 5528e180f3cSLen Brown if (extra_delta_offset64) 5538e180f3cSLen Brown outp += sprintf(outp, " %11llu", t->extra_delta64); 5542f32edf1SLen Brown /* msr */ 5552f32edf1SLen Brown if (extra_msr_offset32) 5568e180f3cSLen Brown outp += sprintf(outp, " 0x%08llx", t->extra_msr32); 5572f32edf1SLen Brown 558130ff304SLen Brown /* MSR */ 5592f32edf1SLen Brown if (extra_msr_offset64) 5602f32edf1SLen Brown outp += sprintf(outp, " 0x%016llx", t->extra_msr64); 561130ff304SLen Brown 5621cc21f7bSLen Brown if (!debug) 5631cc21f7bSLen Brown goto done; 5641cc21f7bSLen Brown 5651cc21f7bSLen Brown /* SMI */ 5661cc21f7bSLen Brown if (do_smi) 5671cc21f7bSLen Brown outp += sprintf(outp, "%8d", t->smi_count); 5681cc21f7bSLen Brown 569103a8feaSLen Brown if (do_nhm_cstates) { 570103a8feaSLen Brown if (!skip_c1) 571fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * t->c1/t->tsc); 572103a8feaSLen Brown else 573fc04cc67SLen Brown outp += sprintf(outp, "********"); 574103a8feaSLen Brown } 575c98d5d94SLen Brown 576c98d5d94SLen Brown /* print per-core data only for 1st thread in core */ 577c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 578c98d5d94SLen Brown goto done; 579c98d5d94SLen Brown 580fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) 581fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c3/t->tsc); 582103a8feaSLen Brown if (do_nhm_cstates) 583fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c6/t->tsc); 584103a8feaSLen Brown if (do_snb_cstates) 585fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c7/t->tsc); 586c98d5d94SLen Brown 587889facbeSLen Brown if (do_dts) 588fc04cc67SLen Brown outp += sprintf(outp, "%8d", c->core_temp_c); 589889facbeSLen Brown 590c98d5d94SLen Brown /* print per-package data only for 1st core in package */ 591c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 592c98d5d94SLen Brown goto done; 593c98d5d94SLen Brown 5940b2bb692SLen Brown /* PkgTmp */ 595889facbeSLen Brown if (do_ptm) 596fc04cc67SLen Brown outp += sprintf(outp, "%8d", p->pkg_temp_c); 597889facbeSLen Brown 5980b2bb692SLen Brown /* Totl%C0, Any%C0 GFX%C0 CPUGFX% */ 5990b2bb692SLen Brown if (do_skl_residency) { 6000b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_wtd_core_c0/t->tsc); 6010b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_core_c0/t->tsc); 6020b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_gfxe_c0/t->tsc); 6030b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_both_core_gfxe_c0/t->tsc); 6040b2bb692SLen Brown } 6050b2bb692SLen Brown 606ee7e38e3SLen Brown if (do_pc2) 607fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc2/t->tsc); 608ee7e38e3SLen Brown if (do_pc3) 609fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc3/t->tsc); 610ee7e38e3SLen Brown if (do_pc6) 611fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc6/t->tsc); 612ee7e38e3SLen Brown if (do_pc7) 613fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc7/t->tsc); 614ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 615fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc8/t->tsc); 616fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc9/t->tsc); 617fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc10/t->tsc); 618ca58710fSKristen Carlson Accardi } 619889facbeSLen Brown 620889facbeSLen Brown /* 621889facbeSLen Brown * If measurement interval exceeds minimum RAPL Joule Counter range, 622889facbeSLen Brown * indicate that results are suspect by printing "**" in fraction place. 623889facbeSLen Brown */ 624fc04cc67SLen Brown if (interval_float < rapl_joule_counter_range) 625fc04cc67SLen Brown fmt8 = "%8.2f"; 626fc04cc67SLen Brown else 627fc04cc67SLen Brown fmt8 = " %6.0f**"; 628889facbeSLen Brown 6295c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 630889facbeSLen Brown if (do_rapl & RAPL_PKG) 631fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float); 632889facbeSLen Brown if (do_rapl & RAPL_CORES) 633fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float); 634889facbeSLen Brown if (do_rapl & RAPL_GFX) 635fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float); 636889facbeSLen Brown if (do_rapl & RAPL_DRAM) 63740ee8e3bSAndrey Semin outp += sprintf(outp, fmt8, p->energy_dram * rapl_dram_energy_units / interval_float); 638889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 639fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 640889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 641fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 642d7899447SLen Brown } else if (do_rapl && rapl_joules) { 6435c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 644fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6455c56be9aSDirk Brandewie p->energy_pkg * rapl_energy_units); 6465c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 647fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6485c56be9aSDirk Brandewie p->energy_cores * rapl_energy_units); 6495c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 650fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6515c56be9aSDirk Brandewie p->energy_gfx * rapl_energy_units); 6525c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 653fc04cc67SLen Brown outp += sprintf(outp, fmt8, 65440ee8e3bSAndrey Semin p->energy_dram * rapl_dram_energy_units); 6555c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 656fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 6575c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 658fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 659889facbeSLen Brown 660d7899447SLen Brown outp += sprintf(outp, fmt8, interval_float); 6615c56be9aSDirk Brandewie } 662c98d5d94SLen Brown done: 663c98d5d94SLen Brown outp += sprintf(outp, "\n"); 664c98d5d94SLen Brown 665c98d5d94SLen Brown return 0; 666103a8feaSLen Brown } 667103a8feaSLen Brown 668b7d8c148SLen Brown void flush_output_stdout(void) 669103a8feaSLen Brown { 670b7d8c148SLen Brown FILE *filep; 671b7d8c148SLen Brown 672b7d8c148SLen Brown if (outf == stderr) 673b7d8c148SLen Brown filep = stdout; 674b7d8c148SLen Brown else 675b7d8c148SLen Brown filep = outf; 676b7d8c148SLen Brown 677b7d8c148SLen Brown fputs(output_buffer, filep); 678b7d8c148SLen Brown fflush(filep); 679b7d8c148SLen Brown 680c98d5d94SLen Brown outp = output_buffer; 681c98d5d94SLen Brown } 682b7d8c148SLen Brown void flush_output_stderr(void) 683c98d5d94SLen Brown { 684b7d8c148SLen Brown fputs(output_buffer, outf); 685b7d8c148SLen Brown fflush(outf); 686c98d5d94SLen Brown outp = output_buffer; 687c98d5d94SLen Brown } 688c98d5d94SLen Brown void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 689c98d5d94SLen Brown { 690e23da037SLen Brown static int printed; 691103a8feaSLen Brown 692e23da037SLen Brown if (!printed || !summary_only) 693103a8feaSLen Brown print_header(); 694103a8feaSLen Brown 695c98d5d94SLen Brown if (topo.num_cpus > 1) 696c98d5d94SLen Brown format_counters(&average.threads, &average.cores, 697c98d5d94SLen Brown &average.packages); 698103a8feaSLen Brown 699e23da037SLen Brown printed = 1; 700e23da037SLen Brown 701e23da037SLen Brown if (summary_only) 702e23da037SLen Brown return; 703e23da037SLen Brown 704c98d5d94SLen Brown for_all_cpus(format_counters, t, c, p); 705103a8feaSLen Brown } 706103a8feaSLen Brown 707889facbeSLen Brown #define DELTA_WRAP32(new, old) \ 708889facbeSLen Brown if (new > old) { \ 709889facbeSLen Brown old = new - old; \ 710889facbeSLen Brown } else { \ 711889facbeSLen Brown old = 0x100000000 + new - old; \ 712889facbeSLen Brown } 713889facbeSLen Brown 714c98d5d94SLen Brown void 715c98d5d94SLen Brown delta_package(struct pkg_data *new, struct pkg_data *old) 716103a8feaSLen Brown { 7170b2bb692SLen Brown 7180b2bb692SLen Brown if (do_skl_residency) { 7190b2bb692SLen Brown old->pkg_wtd_core_c0 = new->pkg_wtd_core_c0 - old->pkg_wtd_core_c0; 7200b2bb692SLen Brown old->pkg_any_core_c0 = new->pkg_any_core_c0 - old->pkg_any_core_c0; 7210b2bb692SLen Brown old->pkg_any_gfxe_c0 = new->pkg_any_gfxe_c0 - old->pkg_any_gfxe_c0; 7220b2bb692SLen Brown old->pkg_both_core_gfxe_c0 = new->pkg_both_core_gfxe_c0 - old->pkg_both_core_gfxe_c0; 7230b2bb692SLen Brown } 724c98d5d94SLen Brown old->pc2 = new->pc2 - old->pc2; 725ee7e38e3SLen Brown if (do_pc3) 726c98d5d94SLen Brown old->pc3 = new->pc3 - old->pc3; 727ee7e38e3SLen Brown if (do_pc6) 728c98d5d94SLen Brown old->pc6 = new->pc6 - old->pc6; 729ee7e38e3SLen Brown if (do_pc7) 730c98d5d94SLen Brown old->pc7 = new->pc7 - old->pc7; 731ca58710fSKristen Carlson Accardi old->pc8 = new->pc8 - old->pc8; 732ca58710fSKristen Carlson Accardi old->pc9 = new->pc9 - old->pc9; 733ca58710fSKristen Carlson Accardi old->pc10 = new->pc10 - old->pc10; 734889facbeSLen Brown old->pkg_temp_c = new->pkg_temp_c; 735889facbeSLen Brown 736889facbeSLen Brown DELTA_WRAP32(new->energy_pkg, old->energy_pkg); 737889facbeSLen Brown DELTA_WRAP32(new->energy_cores, old->energy_cores); 738889facbeSLen Brown DELTA_WRAP32(new->energy_gfx, old->energy_gfx); 739889facbeSLen Brown DELTA_WRAP32(new->energy_dram, old->energy_dram); 740889facbeSLen Brown DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status); 741889facbeSLen Brown DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status); 742103a8feaSLen Brown } 743103a8feaSLen Brown 744c98d5d94SLen Brown void 745c98d5d94SLen Brown delta_core(struct core_data *new, struct core_data *old) 746c98d5d94SLen Brown { 747c98d5d94SLen Brown old->c3 = new->c3 - old->c3; 748c98d5d94SLen Brown old->c6 = new->c6 - old->c6; 749c98d5d94SLen Brown old->c7 = new->c7 - old->c7; 750889facbeSLen Brown old->core_temp_c = new->core_temp_c; 751103a8feaSLen Brown } 752c98d5d94SLen Brown 753c3ae331dSLen Brown /* 754c3ae331dSLen Brown * old = new - old 755c3ae331dSLen Brown */ 756c98d5d94SLen Brown void 757c98d5d94SLen Brown delta_thread(struct thread_data *new, struct thread_data *old, 758c98d5d94SLen Brown struct core_data *core_delta) 759c98d5d94SLen Brown { 760c98d5d94SLen Brown old->tsc = new->tsc - old->tsc; 761c98d5d94SLen Brown 762103a8feaSLen Brown /* check for TSC < 1 Mcycles over interval */ 763b2c95d90SJosh Triplett if (old->tsc < (1000 * 1000)) 764b2c95d90SJosh Triplett errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n" 765b2c95d90SJosh Triplett "You can disable all c-states by booting with \"idle=poll\"\n" 766b2c95d90SJosh Triplett "or just the deep ones with \"processor.max_cstate=1\""); 767103a8feaSLen Brown 768c98d5d94SLen Brown old->c1 = new->c1 - old->c1; 769c98d5d94SLen Brown 770a729617cSLen Brown if (has_aperf) { 771c98d5d94SLen Brown if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) { 772c98d5d94SLen Brown old->aperf = new->aperf - old->aperf; 773c98d5d94SLen Brown old->mperf = new->mperf - old->mperf; 774c98d5d94SLen Brown } else { 775c98d5d94SLen Brown 776103a8feaSLen Brown if (!aperf_mperf_unstable) { 777b7d8c148SLen Brown fprintf(outf, "%s: APERF or MPERF went backwards *\n", progname); 778b7d8c148SLen Brown fprintf(outf, "* Frequency results do not cover entire interval *\n"); 779b7d8c148SLen Brown fprintf(outf, "* fix this by running Linux-2.6.30 or later *\n"); 780103a8feaSLen Brown 781103a8feaSLen Brown aperf_mperf_unstable = 1; 782103a8feaSLen Brown } 783103a8feaSLen Brown /* 784103a8feaSLen Brown * mperf delta is likely a huge "positive" number 785103a8feaSLen Brown * can not use it for calculating c0 time 786103a8feaSLen Brown */ 787103a8feaSLen Brown skip_c0 = 1; 788103a8feaSLen Brown skip_c1 = 1; 789103a8feaSLen Brown } 790a729617cSLen Brown } 791103a8feaSLen Brown 792c98d5d94SLen Brown 793144b44b1SLen Brown if (use_c1_residency_msr) { 794144b44b1SLen Brown /* 795144b44b1SLen Brown * Some models have a dedicated C1 residency MSR, 796144b44b1SLen Brown * which should be more accurate than the derivation below. 797144b44b1SLen Brown */ 798144b44b1SLen Brown } else { 799103a8feaSLen Brown /* 800c3ae331dSLen Brown * As counter collection is not atomic, 801c3ae331dSLen Brown * it is possible for mperf's non-halted cycles + idle states 802103a8feaSLen Brown * to exceed TSC's all cycles: show c1 = 0% in that case. 803103a8feaSLen Brown */ 804c3ae331dSLen Brown if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc) 805c98d5d94SLen Brown old->c1 = 0; 806c98d5d94SLen Brown else { 807c98d5d94SLen Brown /* normal case, derive c1 */ 808c98d5d94SLen Brown old->c1 = old->tsc - old->mperf - core_delta->c3 809c98d5d94SLen Brown - core_delta->c6 - core_delta->c7; 810c98d5d94SLen Brown } 811144b44b1SLen Brown } 812c3ae331dSLen Brown 813c98d5d94SLen Brown if (old->mperf == 0) { 814b7d8c148SLen Brown if (debug > 1) 815b7d8c148SLen Brown fprintf(outf, "cpu%d MPERF 0!\n", old->cpu_id); 816c98d5d94SLen Brown old->mperf = 1; /* divide by 0 protection */ 817c98d5d94SLen Brown } 818103a8feaSLen Brown 8198e180f3cSLen Brown old->extra_delta32 = new->extra_delta32 - old->extra_delta32; 8208e180f3cSLen Brown old->extra_delta32 &= 0xFFFFFFFF; 8218e180f3cSLen Brown 8228e180f3cSLen Brown old->extra_delta64 = new->extra_delta64 - old->extra_delta64; 8238e180f3cSLen Brown 824103a8feaSLen Brown /* 8258e180f3cSLen Brown * Extra MSR is just a snapshot, simply copy latest w/o subtracting 826103a8feaSLen Brown */ 8272f32edf1SLen Brown old->extra_msr32 = new->extra_msr32; 8282f32edf1SLen Brown old->extra_msr64 = new->extra_msr64; 8291ed51011SLen Brown 8301ed51011SLen Brown if (do_smi) 8311ed51011SLen Brown old->smi_count = new->smi_count - old->smi_count; 832103a8feaSLen Brown } 833c98d5d94SLen Brown 834c98d5d94SLen Brown int delta_cpu(struct thread_data *t, struct core_data *c, 835c98d5d94SLen Brown struct pkg_data *p, struct thread_data *t2, 836c98d5d94SLen Brown struct core_data *c2, struct pkg_data *p2) 837c98d5d94SLen Brown { 838c98d5d94SLen Brown /* calculate core delta only for 1st thread in core */ 839c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE) 840c98d5d94SLen Brown delta_core(c, c2); 841c98d5d94SLen Brown 842c98d5d94SLen Brown /* always calculate thread delta */ 843c98d5d94SLen Brown delta_thread(t, t2, c2); /* c2 is core delta */ 844c98d5d94SLen Brown 845c98d5d94SLen Brown /* calculate package delta only for 1st core in package */ 846c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE) 847c98d5d94SLen Brown delta_package(p, p2); 848c98d5d94SLen Brown 849103a8feaSLen Brown return 0; 850103a8feaSLen Brown } 851103a8feaSLen Brown 852c98d5d94SLen Brown void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 853103a8feaSLen Brown { 854c98d5d94SLen Brown t->tsc = 0; 855c98d5d94SLen Brown t->aperf = 0; 856c98d5d94SLen Brown t->mperf = 0; 857c98d5d94SLen Brown t->c1 = 0; 858103a8feaSLen Brown 8591ed51011SLen Brown t->smi_count = 0; 8608e180f3cSLen Brown t->extra_delta32 = 0; 8618e180f3cSLen Brown t->extra_delta64 = 0; 8628e180f3cSLen Brown 863c98d5d94SLen Brown /* tells format_counters to dump all fields from this set */ 864c98d5d94SLen Brown t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE; 865c98d5d94SLen Brown 866c98d5d94SLen Brown c->c3 = 0; 867c98d5d94SLen Brown c->c6 = 0; 868c98d5d94SLen Brown c->c7 = 0; 869889facbeSLen Brown c->core_temp_c = 0; 870c98d5d94SLen Brown 8710b2bb692SLen Brown p->pkg_wtd_core_c0 = 0; 8720b2bb692SLen Brown p->pkg_any_core_c0 = 0; 8730b2bb692SLen Brown p->pkg_any_gfxe_c0 = 0; 8740b2bb692SLen Brown p->pkg_both_core_gfxe_c0 = 0; 8750b2bb692SLen Brown 876c98d5d94SLen Brown p->pc2 = 0; 877ee7e38e3SLen Brown if (do_pc3) 878c98d5d94SLen Brown p->pc3 = 0; 879ee7e38e3SLen Brown if (do_pc6) 880c98d5d94SLen Brown p->pc6 = 0; 881ee7e38e3SLen Brown if (do_pc7) 882c98d5d94SLen Brown p->pc7 = 0; 883ca58710fSKristen Carlson Accardi p->pc8 = 0; 884ca58710fSKristen Carlson Accardi p->pc9 = 0; 885ca58710fSKristen Carlson Accardi p->pc10 = 0; 886889facbeSLen Brown 887889facbeSLen Brown p->energy_pkg = 0; 888889facbeSLen Brown p->energy_dram = 0; 889889facbeSLen Brown p->energy_cores = 0; 890889facbeSLen Brown p->energy_gfx = 0; 891889facbeSLen Brown p->rapl_pkg_perf_status = 0; 892889facbeSLen Brown p->rapl_dram_perf_status = 0; 893889facbeSLen Brown p->pkg_temp_c = 0; 894103a8feaSLen Brown } 895c98d5d94SLen Brown int sum_counters(struct thread_data *t, struct core_data *c, 896c98d5d94SLen Brown struct pkg_data *p) 897103a8feaSLen Brown { 898c98d5d94SLen Brown average.threads.tsc += t->tsc; 899c98d5d94SLen Brown average.threads.aperf += t->aperf; 900c98d5d94SLen Brown average.threads.mperf += t->mperf; 901c98d5d94SLen Brown average.threads.c1 += t->c1; 90215aaa346SLen Brown 9038e180f3cSLen Brown average.threads.extra_delta32 += t->extra_delta32; 9048e180f3cSLen Brown average.threads.extra_delta64 += t->extra_delta64; 9058e180f3cSLen Brown 906c98d5d94SLen Brown /* sum per-core values only for 1st thread in core */ 907c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 908c98d5d94SLen Brown return 0; 909c98d5d94SLen Brown 910c98d5d94SLen Brown average.cores.c3 += c->c3; 911c98d5d94SLen Brown average.cores.c6 += c->c6; 912c98d5d94SLen Brown average.cores.c7 += c->c7; 913c98d5d94SLen Brown 914889facbeSLen Brown average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c); 915889facbeSLen Brown 916c98d5d94SLen Brown /* sum per-pkg values only for 1st core in pkg */ 917c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 918c98d5d94SLen Brown return 0; 919c98d5d94SLen Brown 9200b2bb692SLen Brown if (do_skl_residency) { 9210b2bb692SLen Brown average.packages.pkg_wtd_core_c0 += p->pkg_wtd_core_c0; 9220b2bb692SLen Brown average.packages.pkg_any_core_c0 += p->pkg_any_core_c0; 9230b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 += p->pkg_any_gfxe_c0; 9240b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 += p->pkg_both_core_gfxe_c0; 9250b2bb692SLen Brown } 9260b2bb692SLen Brown 927c98d5d94SLen Brown average.packages.pc2 += p->pc2; 928ee7e38e3SLen Brown if (do_pc3) 929c98d5d94SLen Brown average.packages.pc3 += p->pc3; 930ee7e38e3SLen Brown if (do_pc6) 931c98d5d94SLen Brown average.packages.pc6 += p->pc6; 932ee7e38e3SLen Brown if (do_pc7) 933c98d5d94SLen Brown average.packages.pc7 += p->pc7; 934ca58710fSKristen Carlson Accardi average.packages.pc8 += p->pc8; 935ca58710fSKristen Carlson Accardi average.packages.pc9 += p->pc9; 936ca58710fSKristen Carlson Accardi average.packages.pc10 += p->pc10; 937c98d5d94SLen Brown 938889facbeSLen Brown average.packages.energy_pkg += p->energy_pkg; 939889facbeSLen Brown average.packages.energy_dram += p->energy_dram; 940889facbeSLen Brown average.packages.energy_cores += p->energy_cores; 941889facbeSLen Brown average.packages.energy_gfx += p->energy_gfx; 942889facbeSLen Brown 943889facbeSLen Brown average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c); 944889facbeSLen Brown 945889facbeSLen Brown average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status; 946889facbeSLen Brown average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status; 947c98d5d94SLen Brown return 0; 948c98d5d94SLen Brown } 949c98d5d94SLen Brown /* 950c98d5d94SLen Brown * sum the counters for all cpus in the system 951c98d5d94SLen Brown * compute the weighted average 952c98d5d94SLen Brown */ 953c98d5d94SLen Brown void compute_average(struct thread_data *t, struct core_data *c, 954c98d5d94SLen Brown struct pkg_data *p) 955c98d5d94SLen Brown { 956c98d5d94SLen Brown clear_counters(&average.threads, &average.cores, &average.packages); 957c98d5d94SLen Brown 958c98d5d94SLen Brown for_all_cpus(sum_counters, t, c, p); 959c98d5d94SLen Brown 960c98d5d94SLen Brown average.threads.tsc /= topo.num_cpus; 961c98d5d94SLen Brown average.threads.aperf /= topo.num_cpus; 962c98d5d94SLen Brown average.threads.mperf /= topo.num_cpus; 963c98d5d94SLen Brown average.threads.c1 /= topo.num_cpus; 964c98d5d94SLen Brown 9658e180f3cSLen Brown average.threads.extra_delta32 /= topo.num_cpus; 9668e180f3cSLen Brown average.threads.extra_delta32 &= 0xFFFFFFFF; 9678e180f3cSLen Brown 9688e180f3cSLen Brown average.threads.extra_delta64 /= topo.num_cpus; 9698e180f3cSLen Brown 970c98d5d94SLen Brown average.cores.c3 /= topo.num_cores; 971c98d5d94SLen Brown average.cores.c6 /= topo.num_cores; 972c98d5d94SLen Brown average.cores.c7 /= topo.num_cores; 973c98d5d94SLen Brown 9740b2bb692SLen Brown if (do_skl_residency) { 9750b2bb692SLen Brown average.packages.pkg_wtd_core_c0 /= topo.num_packages; 9760b2bb692SLen Brown average.packages.pkg_any_core_c0 /= topo.num_packages; 9770b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 /= topo.num_packages; 9780b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 /= topo.num_packages; 9790b2bb692SLen Brown } 9800b2bb692SLen Brown 981c98d5d94SLen Brown average.packages.pc2 /= topo.num_packages; 982ee7e38e3SLen Brown if (do_pc3) 983c98d5d94SLen Brown average.packages.pc3 /= topo.num_packages; 984ee7e38e3SLen Brown if (do_pc6) 985c98d5d94SLen Brown average.packages.pc6 /= topo.num_packages; 986ee7e38e3SLen Brown if (do_pc7) 987c98d5d94SLen Brown average.packages.pc7 /= topo.num_packages; 988ca58710fSKristen Carlson Accardi 989ca58710fSKristen Carlson Accardi average.packages.pc8 /= topo.num_packages; 990ca58710fSKristen Carlson Accardi average.packages.pc9 /= topo.num_packages; 991ca58710fSKristen Carlson Accardi average.packages.pc10 /= topo.num_packages; 992c98d5d94SLen Brown } 993c98d5d94SLen Brown 994c98d5d94SLen Brown static unsigned long long rdtsc(void) 995c98d5d94SLen Brown { 996c98d5d94SLen Brown unsigned int low, high; 997c98d5d94SLen Brown 998c98d5d94SLen Brown asm volatile("rdtsc" : "=a" (low), "=d" (high)); 999c98d5d94SLen Brown 1000c98d5d94SLen Brown return low | ((unsigned long long)high) << 32; 1001c98d5d94SLen Brown } 1002c98d5d94SLen Brown 1003c98d5d94SLen Brown 1004c98d5d94SLen Brown /* 1005c98d5d94SLen Brown * get_counters(...) 1006c98d5d94SLen Brown * migrate to cpu 1007c98d5d94SLen Brown * acquire and record local counters for that cpu 1008c98d5d94SLen Brown */ 1009c98d5d94SLen Brown int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1010c98d5d94SLen Brown { 1011c98d5d94SLen Brown int cpu = t->cpu_id; 1012889facbeSLen Brown unsigned long long msr; 1013c98d5d94SLen Brown 1014e52966c0SLen Brown if (cpu_migrate(cpu)) { 1015b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 101615aaa346SLen Brown return -1; 1017e52966c0SLen Brown } 101815aaa346SLen Brown 1019c98d5d94SLen Brown t->tsc = rdtsc(); /* we are running on local CPU of interest */ 102015aaa346SLen Brown 102115aaa346SLen Brown if (has_aperf) { 10229c63a650SLen Brown if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 1023c98d5d94SLen Brown return -3; 10249c63a650SLen Brown if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf)) 1025c98d5d94SLen Brown return -4; 1026b2b34dfeSHubert Chrzaniuk t->aperf = t->aperf * aperf_mperf_multiplier; 1027b2b34dfeSHubert Chrzaniuk t->mperf = t->mperf * aperf_mperf_multiplier; 102888c3281fSLen Brown } 102988c3281fSLen Brown 10301ed51011SLen Brown if (do_smi) { 10311ed51011SLen Brown if (get_msr(cpu, MSR_SMI_COUNT, &msr)) 10321ed51011SLen Brown return -5; 10331ed51011SLen Brown t->smi_count = msr & 0xFFFFFFFF; 10341ed51011SLen Brown } 10358e180f3cSLen Brown if (extra_delta_offset32) { 1036889facbeSLen Brown if (get_msr(cpu, extra_delta_offset32, &msr)) 10372f32edf1SLen Brown return -5; 1038889facbeSLen Brown t->extra_delta32 = msr & 0xFFFFFFFF; 10398e180f3cSLen Brown } 10408e180f3cSLen Brown 10418e180f3cSLen Brown if (extra_delta_offset64) 10428e180f3cSLen Brown if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64)) 10438e180f3cSLen Brown return -5; 10448e180f3cSLen Brown 10458e180f3cSLen Brown if (extra_msr_offset32) { 1046889facbeSLen Brown if (get_msr(cpu, extra_msr_offset32, &msr)) 10478e180f3cSLen Brown return -5; 1048889facbeSLen Brown t->extra_msr32 = msr & 0xFFFFFFFF; 10498e180f3cSLen Brown } 10502f32edf1SLen Brown 10512f32edf1SLen Brown if (extra_msr_offset64) 10522f32edf1SLen Brown if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64)) 1053c98d5d94SLen Brown return -5; 1054c98d5d94SLen Brown 1055144b44b1SLen Brown if (use_c1_residency_msr) { 1056144b44b1SLen Brown if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1)) 1057144b44b1SLen Brown return -6; 1058144b44b1SLen Brown } 1059144b44b1SLen Brown 1060c98d5d94SLen Brown /* collect core counters only for 1st thread in core */ 1061c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 1062c98d5d94SLen Brown return 0; 1063c98d5d94SLen Brown 1064fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) { 1065c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3)) 1066c98d5d94SLen Brown return -6; 1067144b44b1SLen Brown } 1068144b44b1SLen Brown 1069fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_knl_cstates) { 1070c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6)) 1071c98d5d94SLen Brown return -7; 1072fb5d4327SDasaratharaman Chandramouli } else if (do_knl_cstates) { 1073fb5d4327SDasaratharaman Chandramouli if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6)) 1074fb5d4327SDasaratharaman Chandramouli return -7; 1075103a8feaSLen Brown } 107615aaa346SLen Brown 107715aaa346SLen Brown if (do_snb_cstates) 1078c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7)) 1079c98d5d94SLen Brown return -8; 1080c98d5d94SLen Brown 1081889facbeSLen Brown if (do_dts) { 1082889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 1083889facbeSLen Brown return -9; 1084889facbeSLen Brown c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1085889facbeSLen Brown } 1086889facbeSLen Brown 1087889facbeSLen Brown 1088c98d5d94SLen Brown /* collect package counters only for 1st core in package */ 1089c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 1090c98d5d94SLen Brown return 0; 109115aaa346SLen Brown 10920b2bb692SLen Brown if (do_skl_residency) { 10930b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_WEIGHTED_CORE_C0_RES, &p->pkg_wtd_core_c0)) 10940b2bb692SLen Brown return -10; 10950b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_CORE_C0_RES, &p->pkg_any_core_c0)) 10960b2bb692SLen Brown return -11; 10970b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_GFXE_C0_RES, &p->pkg_any_gfxe_c0)) 10980b2bb692SLen Brown return -12; 10990b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_BOTH_CORE_GFXE_C0_RES, &p->pkg_both_core_gfxe_c0)) 11000b2bb692SLen Brown return -13; 11010b2bb692SLen Brown } 1102ee7e38e3SLen Brown if (do_pc3) 1103c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3)) 1104c98d5d94SLen Brown return -9; 1105ee7e38e3SLen Brown if (do_pc6) 1106c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6)) 1107c98d5d94SLen Brown return -10; 1108ee7e38e3SLen Brown if (do_pc2) 1109c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2)) 1110c98d5d94SLen Brown return -11; 1111ee7e38e3SLen Brown if (do_pc7) 1112c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7)) 1113c98d5d94SLen Brown return -12; 1114ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 1115ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8)) 1116ca58710fSKristen Carlson Accardi return -13; 1117ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9)) 1118ca58710fSKristen Carlson Accardi return -13; 1119ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10)) 1120ca58710fSKristen Carlson Accardi return -13; 1121ca58710fSKristen Carlson Accardi } 1122889facbeSLen Brown if (do_rapl & RAPL_PKG) { 1123889facbeSLen Brown if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr)) 1124889facbeSLen Brown return -13; 1125889facbeSLen Brown p->energy_pkg = msr & 0xFFFFFFFF; 1126889facbeSLen Brown } 1127889facbeSLen Brown if (do_rapl & RAPL_CORES) { 1128889facbeSLen Brown if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr)) 1129889facbeSLen Brown return -14; 1130889facbeSLen Brown p->energy_cores = msr & 0xFFFFFFFF; 1131889facbeSLen Brown } 1132889facbeSLen Brown if (do_rapl & RAPL_DRAM) { 1133889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr)) 1134889facbeSLen Brown return -15; 1135889facbeSLen Brown p->energy_dram = msr & 0xFFFFFFFF; 1136889facbeSLen Brown } 1137889facbeSLen Brown if (do_rapl & RAPL_GFX) { 1138889facbeSLen Brown if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr)) 1139889facbeSLen Brown return -16; 1140889facbeSLen Brown p->energy_gfx = msr & 0xFFFFFFFF; 1141889facbeSLen Brown } 1142889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) { 1143889facbeSLen Brown if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr)) 1144889facbeSLen Brown return -16; 1145889facbeSLen Brown p->rapl_pkg_perf_status = msr & 0xFFFFFFFF; 1146889facbeSLen Brown } 1147889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) { 1148889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr)) 1149889facbeSLen Brown return -16; 1150889facbeSLen Brown p->rapl_dram_perf_status = msr & 0xFFFFFFFF; 1151889facbeSLen Brown } 1152889facbeSLen Brown if (do_ptm) { 1153889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 1154889facbeSLen Brown return -17; 1155889facbeSLen Brown p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1156889facbeSLen Brown } 115715aaa346SLen Brown return 0; 1158103a8feaSLen Brown } 1159103a8feaSLen Brown 1160ee7e38e3SLen Brown /* 1161ee7e38e3SLen Brown * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit: 1162ee7e38e3SLen Brown * If you change the values, note they are used both in comparisons 1163ee7e38e3SLen Brown * (>= PCL__7) and to index pkg_cstate_limit_strings[]. 1164ee7e38e3SLen Brown */ 1165ee7e38e3SLen Brown 1166ee7e38e3SLen Brown #define PCLUKN 0 /* Unknown */ 1167ee7e38e3SLen Brown #define PCLRSV 1 /* Reserved */ 1168ee7e38e3SLen Brown #define PCL__0 2 /* PC0 */ 1169ee7e38e3SLen Brown #define PCL__1 3 /* PC1 */ 1170ee7e38e3SLen Brown #define PCL__2 4 /* PC2 */ 1171ee7e38e3SLen Brown #define PCL__3 5 /* PC3 */ 1172ee7e38e3SLen Brown #define PCL__4 6 /* PC4 */ 1173ee7e38e3SLen Brown #define PCL__6 7 /* PC6 */ 1174ee7e38e3SLen Brown #define PCL_6N 8 /* PC6 No Retention */ 1175ee7e38e3SLen Brown #define PCL_6R 9 /* PC6 Retention */ 1176ee7e38e3SLen Brown #define PCL__7 10 /* PC7 */ 1177ee7e38e3SLen Brown #define PCL_7S 11 /* PC7 Shrink */ 11780b2bb692SLen Brown #define PCL__8 12 /* PC8 */ 11790b2bb692SLen Brown #define PCL__9 13 /* PC9 */ 11800b2bb692SLen Brown #define PCLUNL 14 /* Unlimited */ 1181ee7e38e3SLen Brown 1182ee7e38e3SLen Brown int pkg_cstate_limit = PCLUKN; 1183ee7e38e3SLen Brown char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2", 11840b2bb692SLen Brown "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "unlimited"}; 1185ee7e38e3SLen Brown 1186e9257f5fSLen 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}; 1187e9257f5fSLen 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}; 1188e9257f5fSLen 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}; 1189e9257f5fSLen 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}; 1190e9257f5fSLen 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}; 1191e9257f5fSLen 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}; 1192ee7e38e3SLen Brown 1193a2b7b749SLen Brown 1194a2b7b749SLen Brown static void 1195a2b7b749SLen Brown calculate_tsc_tweak() 1196a2b7b749SLen Brown { 1197a2b7b749SLen Brown tsc_tweak = base_hz / tsc_hz; 1198a2b7b749SLen Brown } 1199a2b7b749SLen Brown 1200fcd17211SLen Brown static void 1201fcd17211SLen Brown dump_nhm_platform_info(void) 1202103a8feaSLen Brown { 1203103a8feaSLen Brown unsigned long long msr; 1204103a8feaSLen Brown unsigned int ratio; 1205103a8feaSLen Brown 1206ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 1207103a8feaSLen Brown 1208b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr); 12096574a5d5SLen Brown 1210103a8feaSLen Brown ratio = (msr >> 40) & 0xFF; 1211b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max efficiency frequency\n", 1212103a8feaSLen Brown ratio, bclk, ratio * bclk); 1213103a8feaSLen Brown 1214103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1215b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz base frequency\n", 1216103a8feaSLen Brown ratio, bclk, ratio * bclk); 1217103a8feaSLen Brown 12187ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr); 1219b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n", 1220bfae2052SLen Brown base_cpu, msr, msr & 0x2 ? "EN" : "DIS"); 122167920418SLen Brown 1222fcd17211SLen Brown return; 1223fcd17211SLen Brown } 1224fcd17211SLen Brown 1225fcd17211SLen Brown static void 1226fcd17211SLen Brown dump_hsw_turbo_ratio_limits(void) 1227fcd17211SLen Brown { 1228fcd17211SLen Brown unsigned long long msr; 1229fcd17211SLen Brown unsigned int ratio; 1230fcd17211SLen Brown 12317ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr); 1232fcd17211SLen Brown 1233b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr); 1234fcd17211SLen Brown 1235fcd17211SLen Brown ratio = (msr >> 8) & 0xFF; 1236fcd17211SLen Brown if (ratio) 1237b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 18 active cores\n", 1238fcd17211SLen Brown ratio, bclk, ratio * bclk); 1239fcd17211SLen Brown 1240fcd17211SLen Brown ratio = (msr >> 0) & 0xFF; 1241fcd17211SLen Brown if (ratio) 1242b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 17 active cores\n", 1243fcd17211SLen Brown ratio, bclk, ratio * bclk); 1244fcd17211SLen Brown return; 1245fcd17211SLen Brown } 1246fcd17211SLen Brown 1247fcd17211SLen Brown static void 1248fcd17211SLen Brown dump_ivt_turbo_ratio_limits(void) 1249fcd17211SLen Brown { 1250fcd17211SLen Brown unsigned long long msr; 1251fcd17211SLen Brown unsigned int ratio; 12526574a5d5SLen Brown 12537ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr); 12546574a5d5SLen Brown 1255b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr); 12566574a5d5SLen Brown 12576574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 12586574a5d5SLen Brown if (ratio) 1259b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 16 active cores\n", 12606574a5d5SLen Brown ratio, bclk, ratio * bclk); 12616574a5d5SLen Brown 12626574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 12636574a5d5SLen Brown if (ratio) 1264b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 15 active cores\n", 12656574a5d5SLen Brown ratio, bclk, ratio * bclk); 12666574a5d5SLen Brown 12676574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 12686574a5d5SLen Brown if (ratio) 1269b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 14 active cores\n", 12706574a5d5SLen Brown ratio, bclk, ratio * bclk); 12716574a5d5SLen Brown 12726574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 12736574a5d5SLen Brown if (ratio) 1274b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 13 active cores\n", 12756574a5d5SLen Brown ratio, bclk, ratio * bclk); 12766574a5d5SLen Brown 12776574a5d5SLen Brown ratio = (msr >> 24) & 0xFF; 12786574a5d5SLen Brown if (ratio) 1279b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 12 active cores\n", 12806574a5d5SLen Brown ratio, bclk, ratio * bclk); 12816574a5d5SLen Brown 12826574a5d5SLen Brown ratio = (msr >> 16) & 0xFF; 12836574a5d5SLen Brown if (ratio) 1284b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 11 active cores\n", 12856574a5d5SLen Brown ratio, bclk, ratio * bclk); 12866574a5d5SLen Brown 12876574a5d5SLen Brown ratio = (msr >> 8) & 0xFF; 12886574a5d5SLen Brown if (ratio) 1289b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 10 active cores\n", 12906574a5d5SLen Brown ratio, bclk, ratio * bclk); 12916574a5d5SLen Brown 12926574a5d5SLen Brown ratio = (msr >> 0) & 0xFF; 12936574a5d5SLen Brown if (ratio) 1294b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 9 active cores\n", 12956574a5d5SLen Brown ratio, bclk, ratio * bclk); 1296103a8feaSLen Brown return; 1297fcd17211SLen Brown } 1298fcd17211SLen Brown 1299fcd17211SLen Brown static void 1300fcd17211SLen Brown dump_nhm_turbo_ratio_limits(void) 1301fcd17211SLen Brown { 1302fcd17211SLen Brown unsigned long long msr; 1303fcd17211SLen Brown unsigned int ratio; 1304103a8feaSLen Brown 13057ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); 1306103a8feaSLen Brown 1307b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr); 13086574a5d5SLen Brown 13096574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 13106574a5d5SLen Brown if (ratio) 1311b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 8 active cores\n", 13126574a5d5SLen Brown ratio, bclk, ratio * bclk); 13136574a5d5SLen Brown 13146574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 13156574a5d5SLen Brown if (ratio) 1316b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 7 active cores\n", 13176574a5d5SLen Brown ratio, bclk, ratio * bclk); 13186574a5d5SLen Brown 13196574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 13206574a5d5SLen Brown if (ratio) 1321b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 6 active cores\n", 13226574a5d5SLen Brown ratio, bclk, ratio * bclk); 13236574a5d5SLen Brown 13246574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 13256574a5d5SLen Brown if (ratio) 1326b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 5 active cores\n", 13276574a5d5SLen Brown ratio, bclk, ratio * bclk); 13286574a5d5SLen Brown 1329103a8feaSLen Brown ratio = (msr >> 24) & 0xFF; 1330103a8feaSLen Brown if (ratio) 1331b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 4 active cores\n", 1332103a8feaSLen Brown ratio, bclk, ratio * bclk); 1333103a8feaSLen Brown 1334103a8feaSLen Brown ratio = (msr >> 16) & 0xFF; 1335103a8feaSLen Brown if (ratio) 1336b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 3 active cores\n", 1337103a8feaSLen Brown ratio, bclk, ratio * bclk); 1338103a8feaSLen Brown 1339103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1340103a8feaSLen Brown if (ratio) 1341b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 2 active cores\n", 1342103a8feaSLen Brown ratio, bclk, ratio * bclk); 1343103a8feaSLen Brown 1344103a8feaSLen Brown ratio = (msr >> 0) & 0xFF; 1345103a8feaSLen Brown if (ratio) 1346b7d8c148SLen Brown fprintf(outf, "%d * %.0f = %.0f MHz max turbo 1 active cores\n", 1347103a8feaSLen Brown ratio, bclk, ratio * bclk); 1348fcd17211SLen Brown return; 1349fcd17211SLen Brown } 13503a9a941dSLen Brown 1351fcd17211SLen Brown static void 1352fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(void) 1353fb5d4327SDasaratharaman Chandramouli { 1354cbf97abaSHubert Chrzaniuk const unsigned int buckets_no = 7; 1355cbf97abaSHubert Chrzaniuk 1356fb5d4327SDasaratharaman Chandramouli unsigned long long msr; 1357cbf97abaSHubert Chrzaniuk int delta_cores, delta_ratio; 1358cbf97abaSHubert Chrzaniuk int i, b_nr; 1359cbf97abaSHubert Chrzaniuk unsigned int cores[buckets_no]; 1360cbf97abaSHubert Chrzaniuk unsigned int ratio[buckets_no]; 1361fb5d4327SDasaratharaman Chandramouli 13627ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_TURBO_RATIO_LIMIT, &msr); 1363fb5d4327SDasaratharaman Chandramouli 1364b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", 1365bfae2052SLen Brown base_cpu, msr); 1366fb5d4327SDasaratharaman Chandramouli 1367fb5d4327SDasaratharaman Chandramouli /** 1368fb5d4327SDasaratharaman Chandramouli * Turbo encoding in KNL is as follows: 1369cbf97abaSHubert Chrzaniuk * [0] -- Reserved 1370cbf97abaSHubert Chrzaniuk * [7:1] -- Base value of number of active cores of bucket 1. 1371fb5d4327SDasaratharaman Chandramouli * [15:8] -- Base value of freq ratio of bucket 1. 1372fb5d4327SDasaratharaman Chandramouli * [20:16] -- +ve delta of number of active cores of bucket 2. 1373fb5d4327SDasaratharaman Chandramouli * i.e. active cores of bucket 2 = 1374fb5d4327SDasaratharaman Chandramouli * active cores of bucket 1 + delta 1375fb5d4327SDasaratharaman Chandramouli * [23:21] -- Negative delta of freq ratio of bucket 2. 1376fb5d4327SDasaratharaman Chandramouli * i.e. freq ratio of bucket 2 = 1377fb5d4327SDasaratharaman Chandramouli * freq ratio of bucket 1 - delta 1378fb5d4327SDasaratharaman Chandramouli * [28:24]-- +ve delta of number of active cores of bucket 3. 1379fb5d4327SDasaratharaman Chandramouli * [31:29]-- -ve delta of freq ratio of bucket 3. 1380fb5d4327SDasaratharaman Chandramouli * [36:32]-- +ve delta of number of active cores of bucket 4. 1381fb5d4327SDasaratharaman Chandramouli * [39:37]-- -ve delta of freq ratio of bucket 4. 1382fb5d4327SDasaratharaman Chandramouli * [44:40]-- +ve delta of number of active cores of bucket 5. 1383fb5d4327SDasaratharaman Chandramouli * [47:45]-- -ve delta of freq ratio of bucket 5. 1384fb5d4327SDasaratharaman Chandramouli * [52:48]-- +ve delta of number of active cores of bucket 6. 1385fb5d4327SDasaratharaman Chandramouli * [55:53]-- -ve delta of freq ratio of bucket 6. 1386fb5d4327SDasaratharaman Chandramouli * [60:56]-- +ve delta of number of active cores of bucket 7. 1387fb5d4327SDasaratharaman Chandramouli * [63:61]-- -ve delta of freq ratio of bucket 7. 1388fb5d4327SDasaratharaman Chandramouli */ 1389fb5d4327SDasaratharaman Chandramouli 1390cbf97abaSHubert Chrzaniuk b_nr = 0; 1391cbf97abaSHubert Chrzaniuk cores[b_nr] = (msr & 0xFF) >> 1; 1392cbf97abaSHubert Chrzaniuk ratio[b_nr] = (msr >> 8) & 0xFF; 1393cbf97abaSHubert Chrzaniuk 1394cbf97abaSHubert Chrzaniuk for (i = 16; i < 64; i += 8) { 1395fb5d4327SDasaratharaman Chandramouli delta_cores = (msr >> i) & 0x1F; 1396cbf97abaSHubert Chrzaniuk delta_ratio = (msr >> (i + 5)) & 0x7; 1397fb5d4327SDasaratharaman Chandramouli 1398cbf97abaSHubert Chrzaniuk cores[b_nr + 1] = cores[b_nr] + delta_cores; 1399cbf97abaSHubert Chrzaniuk ratio[b_nr + 1] = ratio[b_nr] - delta_ratio; 1400cbf97abaSHubert Chrzaniuk b_nr++; 1401cbf97abaSHubert Chrzaniuk } 1402cbf97abaSHubert Chrzaniuk 1403cbf97abaSHubert Chrzaniuk for (i = buckets_no - 1; i >= 0; i--) 1404cbf97abaSHubert Chrzaniuk if (i > 0 ? ratio[i] != ratio[i - 1] : 1) 1405b7d8c148SLen Brown fprintf(outf, 1406fb5d4327SDasaratharaman Chandramouli "%d * %.0f = %.0f MHz max turbo %d active cores\n", 1407cbf97abaSHubert Chrzaniuk ratio[i], bclk, ratio[i] * bclk, cores[i]); 1408fb5d4327SDasaratharaman Chandramouli } 1409fb5d4327SDasaratharaman Chandramouli 1410fb5d4327SDasaratharaman Chandramouli static void 1411fcd17211SLen Brown dump_nhm_cst_cfg(void) 1412fcd17211SLen Brown { 1413fcd17211SLen Brown unsigned long long msr; 1414fcd17211SLen Brown 14157ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 1416fcd17211SLen Brown 1417fcd17211SLen Brown #define SNB_C1_AUTO_UNDEMOTE (1UL << 27) 1418fcd17211SLen Brown #define SNB_C3_AUTO_UNDEMOTE (1UL << 28) 1419fcd17211SLen Brown 1420b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", base_cpu, msr); 1421fcd17211SLen Brown 1422b7d8c148SLen Brown fprintf(outf, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n", 1423fcd17211SLen Brown (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "", 1424fcd17211SLen Brown (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "", 1425fcd17211SLen Brown (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "", 1426fcd17211SLen Brown (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "", 1427fcd17211SLen Brown (msr & (1 << 15)) ? "" : "UN", 1428fcd17211SLen Brown (unsigned int)msr & 7, 1429fcd17211SLen Brown pkg_cstate_limit_strings[pkg_cstate_limit]); 1430fcd17211SLen Brown return; 1431103a8feaSLen Brown } 1432103a8feaSLen Brown 14336fb3143bSLen Brown static void 14346fb3143bSLen Brown dump_config_tdp(void) 14356fb3143bSLen Brown { 14366fb3143bSLen Brown unsigned long long msr; 14376fb3143bSLen Brown 14386fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr); 1439b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr); 1440b7d8c148SLen Brown fprintf(outf, " (base_ratio=%d)\n", (unsigned int)msr & 0xEF); 14416fb3143bSLen Brown 14426fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr); 1443b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr); 14446fb3143bSLen Brown if (msr) { 1445b7d8c148SLen Brown fprintf(outf, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0xEFFF); 1446b7d8c148SLen Brown fprintf(outf, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0xEFFF); 1447b7d8c148SLen Brown fprintf(outf, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xEF); 1448b7d8c148SLen Brown fprintf(outf, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0xEFFF); 14496fb3143bSLen Brown } 1450b7d8c148SLen Brown fprintf(outf, ")\n"); 14516fb3143bSLen Brown 14526fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr); 1453b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr); 14546fb3143bSLen Brown if (msr) { 1455b7d8c148SLen Brown fprintf(outf, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0xEFFF); 1456b7d8c148SLen Brown fprintf(outf, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0xEFFF); 1457b7d8c148SLen Brown fprintf(outf, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xEF); 1458b7d8c148SLen Brown fprintf(outf, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0xEFFF); 14596fb3143bSLen Brown } 1460b7d8c148SLen Brown fprintf(outf, ")\n"); 14616fb3143bSLen Brown 14626fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr); 1463b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr); 14646fb3143bSLen Brown if ((msr) & 0x3) 1465b7d8c148SLen Brown fprintf(outf, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3); 1466b7d8c148SLen Brown fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 1467b7d8c148SLen Brown fprintf(outf, ")\n"); 14686fb3143bSLen Brown 14696fb3143bSLen Brown get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr); 1470b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr); 1471b7d8c148SLen Brown fprintf(outf, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0x7F); 1472b7d8c148SLen Brown fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1); 1473b7d8c148SLen Brown fprintf(outf, ")\n"); 14746fb3143bSLen Brown } 1475*36229897SLen Brown void free_fd_percpu(void) 1476*36229897SLen Brown { 1477*36229897SLen Brown int i; 1478*36229897SLen Brown 1479*36229897SLen Brown for (i = 0; i < topo.max_cpu_num; ++i) { 1480*36229897SLen Brown if (fd_percpu[i] != 0) 1481*36229897SLen Brown close(fd_percpu[i]); 1482*36229897SLen Brown } 1483*36229897SLen Brown 1484*36229897SLen Brown free(fd_percpu); 1485*36229897SLen Brown } 14866fb3143bSLen Brown 1487c98d5d94SLen Brown void free_all_buffers(void) 1488103a8feaSLen Brown { 1489c98d5d94SLen Brown CPU_FREE(cpu_present_set); 1490c98d5d94SLen Brown cpu_present_set = NULL; 1491*36229897SLen Brown cpu_present_setsize = 0; 1492103a8feaSLen Brown 1493c98d5d94SLen Brown CPU_FREE(cpu_affinity_set); 1494c98d5d94SLen Brown cpu_affinity_set = NULL; 1495c98d5d94SLen Brown cpu_affinity_setsize = 0; 1496103a8feaSLen Brown 1497c98d5d94SLen Brown free(thread_even); 1498c98d5d94SLen Brown free(core_even); 1499c98d5d94SLen Brown free(package_even); 1500103a8feaSLen Brown 1501c98d5d94SLen Brown thread_even = NULL; 1502c98d5d94SLen Brown core_even = NULL; 1503c98d5d94SLen Brown package_even = NULL; 1504103a8feaSLen Brown 1505c98d5d94SLen Brown free(thread_odd); 1506c98d5d94SLen Brown free(core_odd); 1507c98d5d94SLen Brown free(package_odd); 1508103a8feaSLen Brown 1509c98d5d94SLen Brown thread_odd = NULL; 1510c98d5d94SLen Brown core_odd = NULL; 1511c98d5d94SLen Brown package_odd = NULL; 1512103a8feaSLen Brown 1513c98d5d94SLen Brown free(output_buffer); 1514c98d5d94SLen Brown output_buffer = NULL; 1515c98d5d94SLen Brown outp = NULL; 1516*36229897SLen Brown 1517*36229897SLen Brown free_fd_percpu(); 1518103a8feaSLen Brown } 1519103a8feaSLen Brown 1520103a8feaSLen Brown /* 152157a42a34SJosh Triplett * Open a file, and exit on failure 152257a42a34SJosh Triplett */ 152357a42a34SJosh Triplett FILE *fopen_or_die(const char *path, const char *mode) 152457a42a34SJosh Triplett { 1525b7d8c148SLen Brown FILE *filep = fopen(path, mode); 1526b2c95d90SJosh Triplett if (!filep) 1527b2c95d90SJosh Triplett err(1, "%s: open failed", path); 152857a42a34SJosh Triplett return filep; 152957a42a34SJosh Triplett } 153057a42a34SJosh Triplett 153157a42a34SJosh Triplett /* 153295aebc44SJosh Triplett * Parse a file containing a single int. 153395aebc44SJosh Triplett */ 153495aebc44SJosh Triplett int parse_int_file(const char *fmt, ...) 153595aebc44SJosh Triplett { 153695aebc44SJosh Triplett va_list args; 153795aebc44SJosh Triplett char path[PATH_MAX]; 153895aebc44SJosh Triplett FILE *filep; 153995aebc44SJosh Triplett int value; 154095aebc44SJosh Triplett 154195aebc44SJosh Triplett va_start(args, fmt); 154295aebc44SJosh Triplett vsnprintf(path, sizeof(path), fmt, args); 154395aebc44SJosh Triplett va_end(args); 154457a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1545b2c95d90SJosh Triplett if (fscanf(filep, "%d", &value) != 1) 1546b2c95d90SJosh Triplett err(1, "%s: failed to parse number from file", path); 154795aebc44SJosh Triplett fclose(filep); 154895aebc44SJosh Triplett return value; 154995aebc44SJosh Triplett } 155095aebc44SJosh Triplett 155195aebc44SJosh Triplett /* 1552e275b388SDasaratharaman Chandramouli * get_cpu_position_in_core(cpu) 1553e275b388SDasaratharaman Chandramouli * return the position of the CPU among its HT siblings in the core 1554e275b388SDasaratharaman Chandramouli * return -1 if the sibling is not in list 1555103a8feaSLen Brown */ 1556e275b388SDasaratharaman Chandramouli int get_cpu_position_in_core(int cpu) 1557103a8feaSLen Brown { 1558e275b388SDasaratharaman Chandramouli char path[64]; 1559e275b388SDasaratharaman Chandramouli FILE *filep; 1560e275b388SDasaratharaman Chandramouli int this_cpu; 1561e275b388SDasaratharaman Chandramouli char character; 1562e275b388SDasaratharaman Chandramouli int i; 1563e275b388SDasaratharaman Chandramouli 1564e275b388SDasaratharaman Chandramouli sprintf(path, 1565e275b388SDasaratharaman Chandramouli "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", 1566e275b388SDasaratharaman Chandramouli cpu); 1567e275b388SDasaratharaman Chandramouli filep = fopen(path, "r"); 1568e275b388SDasaratharaman Chandramouli if (filep == NULL) { 1569e275b388SDasaratharaman Chandramouli perror(path); 1570e275b388SDasaratharaman Chandramouli exit(1); 1571e275b388SDasaratharaman Chandramouli } 1572e275b388SDasaratharaman Chandramouli 1573e275b388SDasaratharaman Chandramouli for (i = 0; i < topo.num_threads_per_core; i++) { 1574e275b388SDasaratharaman Chandramouli fscanf(filep, "%d", &this_cpu); 1575e275b388SDasaratharaman Chandramouli if (this_cpu == cpu) { 1576e275b388SDasaratharaman Chandramouli fclose(filep); 1577e275b388SDasaratharaman Chandramouli return i; 1578e275b388SDasaratharaman Chandramouli } 1579e275b388SDasaratharaman Chandramouli 1580e275b388SDasaratharaman Chandramouli /* Account for no separator after last thread*/ 1581e275b388SDasaratharaman Chandramouli if (i != (topo.num_threads_per_core - 1)) 1582e275b388SDasaratharaman Chandramouli fscanf(filep, "%c", &character); 1583e275b388SDasaratharaman Chandramouli } 1584e275b388SDasaratharaman Chandramouli 1585e275b388SDasaratharaman Chandramouli fclose(filep); 1586e275b388SDasaratharaman Chandramouli return -1; 1587c98d5d94SLen Brown } 1588103a8feaSLen Brown 1589c98d5d94SLen Brown /* 1590c98d5d94SLen Brown * cpu_is_first_core_in_package(cpu) 1591c98d5d94SLen Brown * return 1 if given CPU is 1st core in package 1592c98d5d94SLen Brown */ 1593c98d5d94SLen Brown int cpu_is_first_core_in_package(int cpu) 1594c98d5d94SLen Brown { 159595aebc44SJosh Triplett return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu); 1596103a8feaSLen Brown } 1597103a8feaSLen Brown 1598103a8feaSLen Brown int get_physical_package_id(int cpu) 1599103a8feaSLen Brown { 160095aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu); 1601103a8feaSLen Brown } 1602103a8feaSLen Brown 1603103a8feaSLen Brown int get_core_id(int cpu) 1604103a8feaSLen Brown { 160595aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu); 1606103a8feaSLen Brown } 1607103a8feaSLen Brown 1608c98d5d94SLen Brown int get_num_ht_siblings(int cpu) 1609c98d5d94SLen Brown { 1610c98d5d94SLen Brown char path[80]; 1611c98d5d94SLen Brown FILE *filep; 1612e275b388SDasaratharaman Chandramouli int sib1; 1613e275b388SDasaratharaman Chandramouli int matches = 0; 1614c98d5d94SLen Brown char character; 1615e275b388SDasaratharaman Chandramouli char str[100]; 1616e275b388SDasaratharaman Chandramouli char *ch; 1617c98d5d94SLen Brown 1618c98d5d94SLen Brown sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); 161957a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1620e275b388SDasaratharaman Chandramouli 1621103a8feaSLen Brown /* 1622c98d5d94SLen Brown * file format: 1623e275b388SDasaratharaman Chandramouli * A ',' separated or '-' separated set of numbers 1624e275b388SDasaratharaman Chandramouli * (eg 1-2 or 1,3,4,5) 1625c98d5d94SLen Brown */ 1626e275b388SDasaratharaman Chandramouli fscanf(filep, "%d%c\n", &sib1, &character); 1627e275b388SDasaratharaman Chandramouli fseek(filep, 0, SEEK_SET); 1628e275b388SDasaratharaman Chandramouli fgets(str, 100, filep); 1629e275b388SDasaratharaman Chandramouli ch = strchr(str, character); 1630e275b388SDasaratharaman Chandramouli while (ch != NULL) { 1631e275b388SDasaratharaman Chandramouli matches++; 1632e275b388SDasaratharaman Chandramouli ch = strchr(ch+1, character); 1633e275b388SDasaratharaman Chandramouli } 1634c98d5d94SLen Brown 1635c98d5d94SLen Brown fclose(filep); 1636e275b388SDasaratharaman Chandramouli return matches+1; 1637c98d5d94SLen Brown } 1638c98d5d94SLen Brown 1639c98d5d94SLen Brown /* 1640c98d5d94SLen Brown * run func(thread, core, package) in topology order 1641c98d5d94SLen Brown * skip non-present cpus 1642103a8feaSLen Brown */ 1643103a8feaSLen Brown 1644c98d5d94SLen Brown int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *, 1645c98d5d94SLen Brown struct pkg_data *, struct thread_data *, struct core_data *, 1646c98d5d94SLen Brown struct pkg_data *), struct thread_data *thread_base, 1647c98d5d94SLen Brown struct core_data *core_base, struct pkg_data *pkg_base, 1648c98d5d94SLen Brown struct thread_data *thread_base2, struct core_data *core_base2, 1649c98d5d94SLen Brown struct pkg_data *pkg_base2) 1650c98d5d94SLen Brown { 1651c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 1652c98d5d94SLen Brown 1653c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 1654c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 1655c98d5d94SLen Brown for (thread_no = 0; thread_no < 1656c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 1657c98d5d94SLen Brown struct thread_data *t, *t2; 1658c98d5d94SLen Brown struct core_data *c, *c2; 1659c98d5d94SLen Brown struct pkg_data *p, *p2; 1660c98d5d94SLen Brown 1661c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 1662c98d5d94SLen Brown 1663c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 1664c98d5d94SLen Brown continue; 1665c98d5d94SLen Brown 1666c98d5d94SLen Brown t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no); 1667c98d5d94SLen Brown 1668c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 1669c98d5d94SLen Brown c2 = GET_CORE(core_base2, core_no, pkg_no); 1670c98d5d94SLen Brown 1671c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 1672c98d5d94SLen Brown p2 = GET_PKG(pkg_base2, pkg_no); 1673c98d5d94SLen Brown 1674c98d5d94SLen Brown retval = func(t, c, p, t2, c2, p2); 1675c98d5d94SLen Brown if (retval) 1676c98d5d94SLen Brown return retval; 1677c98d5d94SLen Brown } 1678c98d5d94SLen Brown } 1679c98d5d94SLen Brown } 1680c98d5d94SLen Brown return 0; 1681c98d5d94SLen Brown } 1682c98d5d94SLen Brown 1683c98d5d94SLen Brown /* 1684c98d5d94SLen Brown * run func(cpu) on every cpu in /proc/stat 1685c98d5d94SLen Brown * return max_cpu number 1686c98d5d94SLen Brown */ 1687c98d5d94SLen Brown int for_all_proc_cpus(int (func)(int)) 1688103a8feaSLen Brown { 1689103a8feaSLen Brown FILE *fp; 1690c98d5d94SLen Brown int cpu_num; 1691103a8feaSLen Brown int retval; 1692103a8feaSLen Brown 169357a42a34SJosh Triplett fp = fopen_or_die(proc_stat, "r"); 1694103a8feaSLen Brown 1695103a8feaSLen Brown retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n"); 1696b2c95d90SJosh Triplett if (retval != 0) 1697b2c95d90SJosh Triplett err(1, "%s: failed to parse format", proc_stat); 1698103a8feaSLen Brown 1699c98d5d94SLen Brown while (1) { 1700c98d5d94SLen Brown retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num); 1701103a8feaSLen Brown if (retval != 1) 1702103a8feaSLen Brown break; 1703103a8feaSLen Brown 1704c98d5d94SLen Brown retval = func(cpu_num); 1705c98d5d94SLen Brown if (retval) { 1706c98d5d94SLen Brown fclose(fp); 1707c98d5d94SLen Brown return(retval); 1708c98d5d94SLen Brown } 1709103a8feaSLen Brown } 1710103a8feaSLen Brown fclose(fp); 1711c98d5d94SLen Brown return 0; 1712103a8feaSLen Brown } 1713103a8feaSLen Brown 1714103a8feaSLen Brown void re_initialize(void) 1715103a8feaSLen Brown { 1716c98d5d94SLen Brown free_all_buffers(); 1717c98d5d94SLen Brown setup_all_buffers(); 1718c98d5d94SLen Brown printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus); 1719103a8feaSLen Brown } 1720103a8feaSLen Brown 1721c98d5d94SLen Brown 1722103a8feaSLen Brown /* 1723c98d5d94SLen Brown * count_cpus() 1724c98d5d94SLen Brown * remember the last one seen, it will be the max 1725103a8feaSLen Brown */ 1726c98d5d94SLen Brown int count_cpus(int cpu) 1727103a8feaSLen Brown { 1728c98d5d94SLen Brown if (topo.max_cpu_num < cpu) 1729c98d5d94SLen Brown topo.max_cpu_num = cpu; 1730103a8feaSLen Brown 1731c98d5d94SLen Brown topo.num_cpus += 1; 1732c98d5d94SLen Brown return 0; 1733103a8feaSLen Brown } 1734c98d5d94SLen Brown int mark_cpu_present(int cpu) 1735c98d5d94SLen Brown { 1736c98d5d94SLen Brown CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set); 173715aaa346SLen Brown return 0; 1738103a8feaSLen Brown } 1739103a8feaSLen Brown 1740103a8feaSLen Brown void turbostat_loop() 1741103a8feaSLen Brown { 1742c98d5d94SLen Brown int retval; 1743e52966c0SLen Brown int restarted = 0; 1744c98d5d94SLen Brown 1745103a8feaSLen Brown restart: 1746e52966c0SLen Brown restarted++; 1747e52966c0SLen Brown 1748c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 1749d91bb17cSLen Brown if (retval < -1) { 1750d91bb17cSLen Brown exit(retval); 1751d91bb17cSLen Brown } else if (retval == -1) { 1752e52966c0SLen Brown if (restarted > 1) { 1753e52966c0SLen Brown exit(retval); 1754e52966c0SLen Brown } 1755c98d5d94SLen Brown re_initialize(); 1756c98d5d94SLen Brown goto restart; 1757c98d5d94SLen Brown } 1758e52966c0SLen Brown restarted = 0; 1759103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 1760103a8feaSLen Brown 1761103a8feaSLen Brown while (1) { 1762c98d5d94SLen Brown if (for_all_proc_cpus(cpu_is_not_present)) { 1763103a8feaSLen Brown re_initialize(); 1764103a8feaSLen Brown goto restart; 1765103a8feaSLen Brown } 17662a0609c0SLen Brown nanosleep(&interval_ts, NULL); 1767c98d5d94SLen Brown retval = for_all_cpus(get_counters, ODD_COUNTERS); 1768d91bb17cSLen Brown if (retval < -1) { 1769d91bb17cSLen Brown exit(retval); 1770d91bb17cSLen Brown } else if (retval == -1) { 177115aaa346SLen Brown re_initialize(); 177215aaa346SLen Brown goto restart; 177315aaa346SLen Brown } 1774103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 1775103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 1776c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 1777c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 1778c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 1779b7d8c148SLen Brown flush_output_stdout(); 17802a0609c0SLen Brown nanosleep(&interval_ts, NULL); 1781c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 1782d91bb17cSLen Brown if (retval < -1) { 1783d91bb17cSLen Brown exit(retval); 1784d91bb17cSLen Brown } else if (retval == -1) { 1785103a8feaSLen Brown re_initialize(); 1786103a8feaSLen Brown goto restart; 1787103a8feaSLen Brown } 1788103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 1789103a8feaSLen Brown timersub(&tv_even, &tv_odd, &tv_delta); 1790c98d5d94SLen Brown for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS); 1791c98d5d94SLen Brown compute_average(ODD_COUNTERS); 1792c98d5d94SLen Brown format_all_counters(ODD_COUNTERS); 1793b7d8c148SLen Brown flush_output_stdout(); 1794103a8feaSLen Brown } 1795103a8feaSLen Brown } 1796103a8feaSLen Brown 1797103a8feaSLen Brown void check_dev_msr() 1798103a8feaSLen Brown { 1799103a8feaSLen Brown struct stat sb; 18007ce7d5deSPrarit Bhargava char pathname[32]; 1801103a8feaSLen Brown 18027ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 18037ce7d5deSPrarit Bhargava if (stat(pathname, &sb)) 1804a21d38c8SLen Brown if (system("/sbin/modprobe msr > /dev/null 2>&1")) 1805d7899447SLen Brown err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" "); 1806103a8feaSLen Brown } 1807103a8feaSLen Brown 180898481e79SLen Brown void check_permissions() 1809103a8feaSLen Brown { 181098481e79SLen Brown struct __user_cap_header_struct cap_header_data; 181198481e79SLen Brown cap_user_header_t cap_header = &cap_header_data; 181298481e79SLen Brown struct __user_cap_data_struct cap_data_data; 181398481e79SLen Brown cap_user_data_t cap_data = &cap_data_data; 181498481e79SLen Brown extern int capget(cap_user_header_t hdrp, cap_user_data_t datap); 181598481e79SLen Brown int do_exit = 0; 18167ce7d5deSPrarit Bhargava char pathname[32]; 181798481e79SLen Brown 181898481e79SLen Brown /* check for CAP_SYS_RAWIO */ 181998481e79SLen Brown cap_header->pid = getpid(); 182098481e79SLen Brown cap_header->version = _LINUX_CAPABILITY_VERSION; 182198481e79SLen Brown if (capget(cap_header, cap_data) < 0) 182298481e79SLen Brown err(-6, "capget(2) failed"); 182398481e79SLen Brown 182498481e79SLen Brown if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) { 182598481e79SLen Brown do_exit++; 182698481e79SLen Brown warnx("capget(CAP_SYS_RAWIO) failed," 182798481e79SLen Brown " try \"# setcap cap_sys_rawio=ep %s\"", progname); 182898481e79SLen Brown } 182998481e79SLen Brown 183098481e79SLen Brown /* test file permissions */ 18317ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 18327ce7d5deSPrarit Bhargava if (euidaccess(pathname, R_OK)) { 183398481e79SLen Brown do_exit++; 183498481e79SLen Brown warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr"); 183598481e79SLen Brown } 183698481e79SLen Brown 183798481e79SLen Brown /* if all else fails, thell them to be root */ 183898481e79SLen Brown if (do_exit) 1839b2c95d90SJosh Triplett if (getuid() != 0) 1840d7899447SLen Brown warnx("... or simply run as root"); 184198481e79SLen Brown 184298481e79SLen Brown if (do_exit) 184398481e79SLen Brown exit(-6); 1844103a8feaSLen Brown } 1845103a8feaSLen Brown 1846d7899447SLen Brown /* 1847d7899447SLen Brown * NHM adds support for additional MSRs: 1848d7899447SLen Brown * 1849d7899447SLen Brown * MSR_SMI_COUNT 0x00000034 1850d7899447SLen Brown * 1851ec0adc53SLen Brown * MSR_PLATFORM_INFO 0x000000ce 1852d7899447SLen Brown * MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2 1853d7899447SLen Brown * 1854d7899447SLen Brown * MSR_PKG_C3_RESIDENCY 0x000003f8 1855d7899447SLen Brown * MSR_PKG_C6_RESIDENCY 0x000003f9 1856d7899447SLen Brown * MSR_CORE_C3_RESIDENCY 0x000003fc 1857d7899447SLen Brown * MSR_CORE_C6_RESIDENCY 0x000003fd 1858d7899447SLen Brown * 1859ee7e38e3SLen Brown * Side effect: 1860ee7e38e3SLen Brown * sets global pkg_cstate_limit to decode MSR_NHM_SNB_PKG_CST_CFG_CTL 1861d7899447SLen Brown */ 1862ee7e38e3SLen Brown int probe_nhm_msrs(unsigned int family, unsigned int model) 1863103a8feaSLen Brown { 1864ee7e38e3SLen Brown unsigned long long msr; 186521ed5574SLen Brown unsigned int base_ratio; 1866ee7e38e3SLen Brown int *pkg_cstate_limits; 1867ee7e38e3SLen Brown 1868103a8feaSLen Brown if (!genuine_intel) 1869103a8feaSLen Brown return 0; 1870103a8feaSLen Brown 1871103a8feaSLen Brown if (family != 6) 1872103a8feaSLen Brown return 0; 1873103a8feaSLen Brown 187421ed5574SLen Brown bclk = discover_bclk(family, model); 187521ed5574SLen Brown 1876103a8feaSLen Brown switch (model) { 1877103a8feaSLen Brown case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */ 1878103a8feaSLen Brown case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */ 1879103a8feaSLen Brown case 0x1F: /* Core i7 and i5 Processor - Nehalem */ 1880103a8feaSLen Brown case 0x25: /* Westmere Client - Clarkdale, Arrandale */ 1881103a8feaSLen Brown case 0x2C: /* Westmere EP - Gulftown */ 1882ee7e38e3SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 1883ee7e38e3SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 1884ee7e38e3SLen Brown pkg_cstate_limits = nhm_pkg_cstate_limits; 1885ee7e38e3SLen Brown break; 1886103a8feaSLen Brown case 0x2A: /* SNB */ 1887103a8feaSLen Brown case 0x2D: /* SNB Xeon */ 1888553575f1SLen Brown case 0x3A: /* IVB */ 18891300651bSLen Brown case 0x3E: /* IVB Xeon */ 1890ee7e38e3SLen Brown pkg_cstate_limits = snb_pkg_cstate_limits; 1891ee7e38e3SLen Brown break; 189270b43400SLen Brown case 0x3C: /* HSW */ 1893e6f9bb3cSLen Brown case 0x3F: /* HSX */ 189470b43400SLen Brown case 0x45: /* HSW */ 1895149c2319SLen Brown case 0x46: /* HSW */ 18964e8e863fSLen Brown case 0x3D: /* BDW */ 189748a0631cSLen Brown case 0x47: /* BDW */ 18984e8e863fSLen Brown case 0x4F: /* BDX */ 18994e8e863fSLen Brown case 0x56: /* BDX-DE */ 19000b2bb692SLen Brown case 0x4E: /* SKL */ 19010b2bb692SLen Brown case 0x5E: /* SKL */ 1902ee7e38e3SLen Brown pkg_cstate_limits = hsw_pkg_cstate_limits; 1903ee7e38e3SLen Brown break; 1904ee7e38e3SLen Brown case 0x37: /* BYT */ 1905ee7e38e3SLen Brown case 0x4D: /* AVN */ 1906ee7e38e3SLen Brown pkg_cstate_limits = slv_pkg_cstate_limits; 1907ee7e38e3SLen Brown break; 1908ee7e38e3SLen Brown case 0x4C: /* AMT */ 1909ee7e38e3SLen Brown pkg_cstate_limits = amt_pkg_cstate_limits; 1910ee7e38e3SLen Brown break; 1911ee7e38e3SLen Brown case 0x57: /* PHI */ 1912ee7e38e3SLen Brown pkg_cstate_limits = phi_pkg_cstate_limits; 1913ee7e38e3SLen Brown break; 1914103a8feaSLen Brown default: 1915103a8feaSLen Brown return 0; 1916103a8feaSLen Brown } 19177ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 1918e9257f5fSLen Brown pkg_cstate_limit = pkg_cstate_limits[msr & 0xF]; 1919ee7e38e3SLen Brown 1920ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 192121ed5574SLen Brown base_ratio = (msr >> 8) & 0xFF; 192221ed5574SLen Brown 192321ed5574SLen Brown base_hz = base_ratio * bclk * 1000000; 192421ed5574SLen Brown has_base_hz = 1; 1925ee7e38e3SLen Brown return 1; 1926103a8feaSLen Brown } 1927d7899447SLen Brown int has_nhm_turbo_ratio_limit(unsigned int family, unsigned int model) 1928d7899447SLen Brown { 1929d7899447SLen Brown switch (model) { 1930d7899447SLen Brown /* Nehalem compatible, but do not include turbo-ratio limit support */ 1931d7899447SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 1932d7899447SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 1933cbf97abaSHubert Chrzaniuk case 0x57: /* PHI - Knights Landing (different MSR definition) */ 1934d7899447SLen Brown return 0; 1935d7899447SLen Brown default: 1936d7899447SLen Brown return 1; 1937d7899447SLen Brown } 1938d7899447SLen Brown } 19396574a5d5SLen Brown int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model) 19406574a5d5SLen Brown { 19416574a5d5SLen Brown if (!genuine_intel) 19426574a5d5SLen Brown return 0; 19436574a5d5SLen Brown 19446574a5d5SLen Brown if (family != 6) 19456574a5d5SLen Brown return 0; 19466574a5d5SLen Brown 19476574a5d5SLen Brown switch (model) { 19486574a5d5SLen Brown case 0x3E: /* IVB Xeon */ 1949fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 19506574a5d5SLen Brown return 1; 19516574a5d5SLen Brown default: 19526574a5d5SLen Brown return 0; 19536574a5d5SLen Brown } 19546574a5d5SLen Brown } 1955fcd17211SLen Brown int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model) 1956fcd17211SLen Brown { 1957fcd17211SLen Brown if (!genuine_intel) 1958fcd17211SLen Brown return 0; 1959fcd17211SLen Brown 1960fcd17211SLen Brown if (family != 6) 1961fcd17211SLen Brown return 0; 1962fcd17211SLen Brown 1963fcd17211SLen Brown switch (model) { 1964fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 1965fcd17211SLen Brown return 1; 1966fcd17211SLen Brown default: 1967fcd17211SLen Brown return 0; 1968fcd17211SLen Brown } 1969fcd17211SLen Brown } 1970fcd17211SLen Brown 1971fb5d4327SDasaratharaman Chandramouli int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model) 1972fb5d4327SDasaratharaman Chandramouli { 1973fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 1974fb5d4327SDasaratharaman Chandramouli return 0; 1975fb5d4327SDasaratharaman Chandramouli 1976fb5d4327SDasaratharaman Chandramouli if (family != 6) 1977fb5d4327SDasaratharaman Chandramouli return 0; 1978fb5d4327SDasaratharaman Chandramouli 1979fb5d4327SDasaratharaman Chandramouli switch (model) { 1980fb5d4327SDasaratharaman Chandramouli case 0x57: /* Knights Landing */ 1981fb5d4327SDasaratharaman Chandramouli return 1; 1982fb5d4327SDasaratharaman Chandramouli default: 1983fb5d4327SDasaratharaman Chandramouli return 0; 1984fb5d4327SDasaratharaman Chandramouli } 1985fb5d4327SDasaratharaman Chandramouli } 19866fb3143bSLen Brown int has_config_tdp(unsigned int family, unsigned int model) 19876fb3143bSLen Brown { 19886fb3143bSLen Brown if (!genuine_intel) 19896fb3143bSLen Brown return 0; 19906fb3143bSLen Brown 19916fb3143bSLen Brown if (family != 6) 19926fb3143bSLen Brown return 0; 19936fb3143bSLen Brown 19946fb3143bSLen Brown switch (model) { 19956fb3143bSLen Brown case 0x3A: /* IVB */ 19966fb3143bSLen Brown case 0x3C: /* HSW */ 19976fb3143bSLen Brown case 0x3F: /* HSX */ 19986fb3143bSLen Brown case 0x45: /* HSW */ 19996fb3143bSLen Brown case 0x46: /* HSW */ 20006fb3143bSLen Brown case 0x3D: /* BDW */ 20016fb3143bSLen Brown case 0x47: /* BDW */ 20026fb3143bSLen Brown case 0x4F: /* BDX */ 20036fb3143bSLen Brown case 0x56: /* BDX-DE */ 20046fb3143bSLen Brown case 0x4E: /* SKL */ 20056fb3143bSLen Brown case 0x5E: /* SKL */ 20066fb3143bSLen Brown 20076fb3143bSLen Brown case 0x57: /* Knights Landing */ 20086fb3143bSLen Brown return 1; 20096fb3143bSLen Brown default: 20106fb3143bSLen Brown return 0; 20116fb3143bSLen Brown } 20126fb3143bSLen Brown } 20136fb3143bSLen Brown 2014fcd17211SLen Brown static void 201558cc30a4SLen Brown dump_cstate_pstate_config_info(int family, int model) 2016fcd17211SLen Brown { 2017fcd17211SLen Brown if (!do_nhm_platform_info) 2018fcd17211SLen Brown return; 2019fcd17211SLen Brown 2020fcd17211SLen Brown dump_nhm_platform_info(); 2021fcd17211SLen Brown 2022fcd17211SLen Brown if (has_hsw_turbo_ratio_limit(family, model)) 2023fcd17211SLen Brown dump_hsw_turbo_ratio_limits(); 2024fcd17211SLen Brown 2025fcd17211SLen Brown if (has_ivt_turbo_ratio_limit(family, model)) 2026fcd17211SLen Brown dump_ivt_turbo_ratio_limits(); 2027fcd17211SLen Brown 2028fcd17211SLen Brown if (has_nhm_turbo_ratio_limit(family, model)) 2029fcd17211SLen Brown dump_nhm_turbo_ratio_limits(); 2030fcd17211SLen Brown 2031fb5d4327SDasaratharaman Chandramouli if (has_knl_turbo_ratio_limit(family, model)) 2032fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(); 2033fb5d4327SDasaratharaman Chandramouli 20346fb3143bSLen Brown if (has_config_tdp(family, model)) 20356fb3143bSLen Brown dump_config_tdp(); 20366fb3143bSLen Brown 2037fcd17211SLen Brown dump_nhm_cst_cfg(); 2038fcd17211SLen Brown } 2039fcd17211SLen Brown 20406574a5d5SLen Brown 2041889facbeSLen Brown /* 2042889facbeSLen Brown * print_epb() 2043889facbeSLen Brown * Decode the ENERGY_PERF_BIAS MSR 2044889facbeSLen Brown */ 2045889facbeSLen Brown int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2046889facbeSLen Brown { 2047889facbeSLen Brown unsigned long long msr; 2048889facbeSLen Brown char *epb_string; 2049889facbeSLen Brown int cpu; 2050889facbeSLen Brown 2051889facbeSLen Brown if (!has_epb) 2052889facbeSLen Brown return 0; 2053889facbeSLen Brown 2054889facbeSLen Brown cpu = t->cpu_id; 2055889facbeSLen Brown 2056889facbeSLen Brown /* EPB is per-package */ 2057889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2058889facbeSLen Brown return 0; 2059889facbeSLen Brown 2060889facbeSLen Brown if (cpu_migrate(cpu)) { 2061b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2062889facbeSLen Brown return -1; 2063889facbeSLen Brown } 2064889facbeSLen Brown 2065889facbeSLen Brown if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr)) 2066889facbeSLen Brown return 0; 2067889facbeSLen Brown 2068e9be7dd6SLen Brown switch (msr & 0xF) { 2069889facbeSLen Brown case ENERGY_PERF_BIAS_PERFORMANCE: 2070889facbeSLen Brown epb_string = "performance"; 2071889facbeSLen Brown break; 2072889facbeSLen Brown case ENERGY_PERF_BIAS_NORMAL: 2073889facbeSLen Brown epb_string = "balanced"; 2074889facbeSLen Brown break; 2075889facbeSLen Brown case ENERGY_PERF_BIAS_POWERSAVE: 2076889facbeSLen Brown epb_string = "powersave"; 2077889facbeSLen Brown break; 2078889facbeSLen Brown default: 2079889facbeSLen Brown epb_string = "custom"; 2080889facbeSLen Brown break; 2081889facbeSLen Brown } 2082b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string); 2083889facbeSLen Brown 2084889facbeSLen Brown return 0; 2085889facbeSLen Brown } 20867f5c258eSLen Brown /* 20877f5c258eSLen Brown * print_hwp() 20887f5c258eSLen Brown * Decode the MSR_HWP_CAPABILITIES 20897f5c258eSLen Brown */ 20907f5c258eSLen Brown int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p) 20917f5c258eSLen Brown { 20927f5c258eSLen Brown unsigned long long msr; 20937f5c258eSLen Brown int cpu; 20947f5c258eSLen Brown 20957f5c258eSLen Brown if (!has_hwp) 20967f5c258eSLen Brown return 0; 20977f5c258eSLen Brown 20987f5c258eSLen Brown cpu = t->cpu_id; 20997f5c258eSLen Brown 21007f5c258eSLen Brown /* MSR_HWP_CAPABILITIES is per-package */ 21017f5c258eSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 21027f5c258eSLen Brown return 0; 21037f5c258eSLen Brown 21047f5c258eSLen Brown if (cpu_migrate(cpu)) { 2105b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 21067f5c258eSLen Brown return -1; 21077f5c258eSLen Brown } 21087f5c258eSLen Brown 21097f5c258eSLen Brown if (get_msr(cpu, MSR_PM_ENABLE, &msr)) 21107f5c258eSLen Brown return 0; 21117f5c258eSLen Brown 2112b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PM_ENABLE: 0x%08llx (%sHWP)\n", 21137f5c258eSLen Brown cpu, msr, (msr & (1 << 0)) ? "" : "No-"); 21147f5c258eSLen Brown 21157f5c258eSLen Brown /* MSR_PM_ENABLE[1] == 1 if HWP is enabled and MSRs visible */ 21167f5c258eSLen Brown if ((msr & (1 << 0)) == 0) 21177f5c258eSLen Brown return 0; 21187f5c258eSLen Brown 21197f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_CAPABILITIES, &msr)) 21207f5c258eSLen Brown return 0; 21217f5c258eSLen Brown 2122b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_CAPABILITIES: 0x%08llx " 21237f5c258eSLen Brown "(high 0x%x guar 0x%x eff 0x%x low 0x%x)\n", 21247f5c258eSLen Brown cpu, msr, 21257f5c258eSLen Brown (unsigned int)HWP_HIGHEST_PERF(msr), 21267f5c258eSLen Brown (unsigned int)HWP_GUARANTEED_PERF(msr), 21277f5c258eSLen Brown (unsigned int)HWP_MOSTEFFICIENT_PERF(msr), 21287f5c258eSLen Brown (unsigned int)HWP_LOWEST_PERF(msr)); 21297f5c258eSLen Brown 21307f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST, &msr)) 21317f5c258eSLen Brown return 0; 21327f5c258eSLen Brown 2133b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_REQUEST: 0x%08llx " 21347f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x pkg 0x%x)\n", 21357f5c258eSLen Brown cpu, msr, 21367f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 21377f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 21387f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 21397f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 21407f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3), 21417f5c258eSLen Brown (unsigned int)(((msr) >> 42) & 0x1)); 21427f5c258eSLen Brown 21437f5c258eSLen Brown if (has_hwp_pkg) { 21447f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST_PKG, &msr)) 21457f5c258eSLen Brown return 0; 21467f5c258eSLen Brown 2147b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_REQUEST_PKG: 0x%08llx " 21487f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x)\n", 21497f5c258eSLen Brown cpu, msr, 21507f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 21517f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 21527f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 21537f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 21547f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3)); 21557f5c258eSLen Brown } 21567f5c258eSLen Brown if (has_hwp_notify) { 21577f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_INTERRUPT, &msr)) 21587f5c258eSLen Brown return 0; 21597f5c258eSLen Brown 2160b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_INTERRUPT: 0x%08llx " 21617f5c258eSLen Brown "(%s_Guaranteed_Perf_Change, %s_Excursion_Min)\n", 21627f5c258eSLen Brown cpu, msr, 21637f5c258eSLen Brown ((msr) & 0x1) ? "EN" : "Dis", 21647f5c258eSLen Brown ((msr) & 0x2) ? "EN" : "Dis"); 21657f5c258eSLen Brown } 21667f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_STATUS, &msr)) 21677f5c258eSLen Brown return 0; 21687f5c258eSLen Brown 2169b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_HWP_STATUS: 0x%08llx " 21707f5c258eSLen Brown "(%sGuaranteed_Perf_Change, %sExcursion_Min)\n", 21717f5c258eSLen Brown cpu, msr, 21727f5c258eSLen Brown ((msr) & 0x1) ? "" : "No-", 21737f5c258eSLen Brown ((msr) & 0x2) ? "" : "No-"); 21747f5c258eSLen Brown 21757f5c258eSLen Brown return 0; 21767f5c258eSLen Brown } 2177889facbeSLen Brown 21783a9a941dSLen Brown /* 21793a9a941dSLen Brown * print_perf_limit() 21803a9a941dSLen Brown */ 21813a9a941dSLen Brown int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p) 21823a9a941dSLen Brown { 21833a9a941dSLen Brown unsigned long long msr; 21843a9a941dSLen Brown int cpu; 21853a9a941dSLen Brown 21863a9a941dSLen Brown cpu = t->cpu_id; 21873a9a941dSLen Brown 21883a9a941dSLen Brown /* per-package */ 21893a9a941dSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 21903a9a941dSLen Brown return 0; 21913a9a941dSLen Brown 21923a9a941dSLen Brown if (cpu_migrate(cpu)) { 2193b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 21943a9a941dSLen Brown return -1; 21953a9a941dSLen Brown } 21963a9a941dSLen Brown 21973a9a941dSLen Brown if (do_core_perf_limit_reasons) { 21983a9a941dSLen Brown get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr); 2199b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2200b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)", 2201e33cbe85SLen Brown (msr & 1 << 15) ? "bit15, " : "", 22023a9a941dSLen Brown (msr & 1 << 14) ? "bit14, " : "", 2203e33cbe85SLen Brown (msr & 1 << 13) ? "Transitions, " : "", 2204e33cbe85SLen Brown (msr & 1 << 12) ? "MultiCoreTurbo, " : "", 2205e33cbe85SLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : "", 2206e33cbe85SLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 2207e33cbe85SLen Brown (msr & 1 << 9) ? "CorePwr, " : "", 2208e33cbe85SLen Brown (msr & 1 << 8) ? "Amps, " : "", 2209e33cbe85SLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 2210e33cbe85SLen Brown (msr & 1 << 5) ? "Auto-HWP, " : "", 2211e33cbe85SLen Brown (msr & 1 << 4) ? "Graphics, " : "", 2212e33cbe85SLen Brown (msr & 1 << 2) ? "bit2, " : "", 2213e33cbe85SLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 2214e33cbe85SLen Brown (msr & 1 << 0) ? "PROCHOT, " : ""); 2215b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n", 2216e33cbe85SLen Brown (msr & 1 << 31) ? "bit31, " : "", 22173a9a941dSLen Brown (msr & 1 << 30) ? "bit30, " : "", 2218e33cbe85SLen Brown (msr & 1 << 29) ? "Transitions, " : "", 2219e33cbe85SLen Brown (msr & 1 << 28) ? "MultiCoreTurbo, " : "", 2220e33cbe85SLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : "", 2221e33cbe85SLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 2222e33cbe85SLen Brown (msr & 1 << 25) ? "CorePwr, " : "", 2223e33cbe85SLen Brown (msr & 1 << 24) ? "Amps, " : "", 2224e33cbe85SLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 2225e33cbe85SLen Brown (msr & 1 << 21) ? "Auto-HWP, " : "", 2226e33cbe85SLen Brown (msr & 1 << 20) ? "Graphics, " : "", 2227e33cbe85SLen Brown (msr & 1 << 18) ? "bit18, " : "", 2228e33cbe85SLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 2229e33cbe85SLen Brown (msr & 1 << 16) ? "PROCHOT, " : ""); 22303a9a941dSLen Brown 22313a9a941dSLen Brown } 22323a9a941dSLen Brown if (do_gfx_perf_limit_reasons) { 22333a9a941dSLen Brown get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr); 2234b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2235b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s%s%s)", 22363a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 22373a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 22383a9a941dSLen Brown (msr & 1 << 4) ? "Graphics, " : "", 22393a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 22403a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 22413a9a941dSLen Brown (msr & 1 << 9) ? "GFXPwr, " : "", 22423a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 22433a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 2244b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s)\n", 22453a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 22463a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 22473a9a941dSLen Brown (msr & 1 << 20) ? "Graphics, " : "", 22483a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 22493a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 22503a9a941dSLen Brown (msr & 1 << 25) ? "GFXPwr, " : "", 22513a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 22523a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 22533a9a941dSLen Brown } 22543a9a941dSLen Brown if (do_ring_perf_limit_reasons) { 22553a9a941dSLen Brown get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr); 2256b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 2257b7d8c148SLen Brown fprintf(outf, " (Active: %s%s%s%s%s%s)", 22583a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 22593a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 22603a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 22613a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 22623a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 22633a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 2264b7d8c148SLen Brown fprintf(outf, " (Logged: %s%s%s%s%s%s)\n", 22653a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 22663a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 22673a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 22683a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 22693a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 22703a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 22713a9a941dSLen Brown } 22723a9a941dSLen Brown return 0; 22733a9a941dSLen Brown } 22743a9a941dSLen Brown 2275889facbeSLen Brown #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */ 2276889facbeSLen Brown #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */ 2277889facbeSLen Brown 227858cc30a4SLen Brown double get_tdp(int model) 2279144b44b1SLen Brown { 2280144b44b1SLen Brown unsigned long long msr; 2281144b44b1SLen Brown 2282144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) 22837ce7d5deSPrarit Bhargava if (!get_msr(base_cpu, MSR_PKG_POWER_INFO, &msr)) 2284144b44b1SLen Brown return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units; 2285144b44b1SLen Brown 2286144b44b1SLen Brown switch (model) { 2287144b44b1SLen Brown case 0x37: 2288144b44b1SLen Brown case 0x4D: 2289144b44b1SLen Brown return 30.0; 2290144b44b1SLen Brown default: 2291144b44b1SLen Brown return 135.0; 2292144b44b1SLen Brown } 2293144b44b1SLen Brown } 2294144b44b1SLen Brown 229540ee8e3bSAndrey Semin /* 229640ee8e3bSAndrey Semin * rapl_dram_energy_units_probe() 229740ee8e3bSAndrey Semin * Energy units are either hard-coded, or come from RAPL Energy Unit MSR. 229840ee8e3bSAndrey Semin */ 229940ee8e3bSAndrey Semin static double 230040ee8e3bSAndrey Semin rapl_dram_energy_units_probe(int model, double rapl_energy_units) 230140ee8e3bSAndrey Semin { 230240ee8e3bSAndrey Semin /* only called for genuine_intel, family 6 */ 230340ee8e3bSAndrey Semin 230440ee8e3bSAndrey Semin switch (model) { 230540ee8e3bSAndrey Semin case 0x3F: /* HSX */ 230640ee8e3bSAndrey Semin case 0x4F: /* BDX */ 230740ee8e3bSAndrey Semin case 0x56: /* BDX-DE */ 2308fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 230940ee8e3bSAndrey Semin return (rapl_dram_energy_units = 15.3 / 1000000); 231040ee8e3bSAndrey Semin default: 231140ee8e3bSAndrey Semin return (rapl_energy_units); 231240ee8e3bSAndrey Semin } 231340ee8e3bSAndrey Semin } 231440ee8e3bSAndrey Semin 2315144b44b1SLen Brown 2316889facbeSLen Brown /* 2317889facbeSLen Brown * rapl_probe() 2318889facbeSLen Brown * 2319144b44b1SLen Brown * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units 2320889facbeSLen Brown */ 2321889facbeSLen Brown void rapl_probe(unsigned int family, unsigned int model) 2322889facbeSLen Brown { 2323889facbeSLen Brown unsigned long long msr; 2324144b44b1SLen Brown unsigned int time_unit; 2325889facbeSLen Brown double tdp; 2326889facbeSLen Brown 2327889facbeSLen Brown if (!genuine_intel) 2328889facbeSLen Brown return; 2329889facbeSLen Brown 2330889facbeSLen Brown if (family != 6) 2331889facbeSLen Brown return; 2332889facbeSLen Brown 2333889facbeSLen Brown switch (model) { 2334889facbeSLen Brown case 0x2A: 2335889facbeSLen Brown case 0x3A: 233670b43400SLen Brown case 0x3C: /* HSW */ 233770b43400SLen Brown case 0x45: /* HSW */ 2338149c2319SLen Brown case 0x46: /* HSW */ 23394e8e863fSLen Brown case 0x3D: /* BDW */ 234048a0631cSLen Brown case 0x47: /* BDW */ 2341144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO; 2342889facbeSLen Brown break; 23430b2bb692SLen Brown case 0x4E: /* SKL */ 23440b2bb692SLen Brown case 0x5E: /* SKL */ 23450b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 23460b2bb692SLen Brown break; 2347e6f9bb3cSLen Brown case 0x3F: /* HSX */ 23484e8e863fSLen Brown case 0x4F: /* BDX */ 23494e8e863fSLen Brown case 0x56: /* BDX-DE */ 2350fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 23510b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 2352e6f9bb3cSLen Brown break; 2353889facbeSLen Brown case 0x2D: 2354889facbeSLen Brown case 0x3E: 23550b2bb692SLen 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; 2356144b44b1SLen Brown break; 2357144b44b1SLen Brown case 0x37: /* BYT */ 2358144b44b1SLen Brown case 0x4D: /* AVN */ 2359144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES ; 2360889facbeSLen Brown break; 2361889facbeSLen Brown default: 2362889facbeSLen Brown return; 2363889facbeSLen Brown } 2364889facbeSLen Brown 2365889facbeSLen Brown /* units on package 0, verify later other packages match */ 23667ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr)) 2367889facbeSLen Brown return; 2368889facbeSLen Brown 2369889facbeSLen Brown rapl_power_units = 1.0 / (1 << (msr & 0xF)); 2370144b44b1SLen Brown if (model == 0x37) 2371144b44b1SLen Brown rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000; 2372144b44b1SLen Brown else 2373889facbeSLen Brown rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F)); 2374889facbeSLen Brown 237540ee8e3bSAndrey Semin rapl_dram_energy_units = rapl_dram_energy_units_probe(model, rapl_energy_units); 237640ee8e3bSAndrey Semin 2377144b44b1SLen Brown time_unit = msr >> 16 & 0xF; 2378144b44b1SLen Brown if (time_unit == 0) 2379144b44b1SLen Brown time_unit = 0xA; 2380889facbeSLen Brown 2381144b44b1SLen Brown rapl_time_units = 1.0 / (1 << (time_unit)); 2382144b44b1SLen Brown 2383144b44b1SLen Brown tdp = get_tdp(model); 2384889facbeSLen Brown 2385889facbeSLen Brown rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp; 2386d8af6f5fSLen Brown if (debug) 2387b7d8c148SLen Brown fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp); 2388889facbeSLen Brown 2389889facbeSLen Brown return; 2390889facbeSLen Brown } 2391889facbeSLen Brown 239258cc30a4SLen Brown void perf_limit_reasons_probe(int family, int model) 23933a9a941dSLen Brown { 23943a9a941dSLen Brown if (!genuine_intel) 23953a9a941dSLen Brown return; 23963a9a941dSLen Brown 23973a9a941dSLen Brown if (family != 6) 23983a9a941dSLen Brown return; 23993a9a941dSLen Brown 24003a9a941dSLen Brown switch (model) { 24013a9a941dSLen Brown case 0x3C: /* HSW */ 24023a9a941dSLen Brown case 0x45: /* HSW */ 24033a9a941dSLen Brown case 0x46: /* HSW */ 24043a9a941dSLen Brown do_gfx_perf_limit_reasons = 1; 24053a9a941dSLen Brown case 0x3F: /* HSX */ 24063a9a941dSLen Brown do_core_perf_limit_reasons = 1; 24073a9a941dSLen Brown do_ring_perf_limit_reasons = 1; 24083a9a941dSLen Brown default: 24093a9a941dSLen Brown return; 24103a9a941dSLen Brown } 24113a9a941dSLen Brown } 24123a9a941dSLen Brown 2413889facbeSLen Brown int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2414889facbeSLen Brown { 2415889facbeSLen Brown unsigned long long msr; 2416889facbeSLen Brown unsigned int dts; 2417889facbeSLen Brown int cpu; 2418889facbeSLen Brown 2419889facbeSLen Brown if (!(do_dts || do_ptm)) 2420889facbeSLen Brown return 0; 2421889facbeSLen Brown 2422889facbeSLen Brown cpu = t->cpu_id; 2423889facbeSLen Brown 2424889facbeSLen Brown /* DTS is per-core, no need to print for each thread */ 2425889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 2426889facbeSLen Brown return 0; 2427889facbeSLen Brown 2428889facbeSLen Brown if (cpu_migrate(cpu)) { 2429b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2430889facbeSLen Brown return -1; 2431889facbeSLen Brown } 2432889facbeSLen Brown 2433889facbeSLen Brown if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) { 2434889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 2435889facbeSLen Brown return 0; 2436889facbeSLen Brown 2437889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2438b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", 2439889facbeSLen Brown cpu, msr, tcc_activation_temp - dts); 2440889facbeSLen Brown 2441889facbeSLen Brown #ifdef THERM_DEBUG 2442889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr)) 2443889facbeSLen Brown return 0; 2444889facbeSLen Brown 2445889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2446889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2447b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2448889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2449889facbeSLen Brown #endif 2450889facbeSLen Brown } 2451889facbeSLen Brown 2452889facbeSLen Brown 2453889facbeSLen Brown if (do_dts) { 2454889facbeSLen Brown unsigned int resolution; 2455889facbeSLen Brown 2456889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 2457889facbeSLen Brown return 0; 2458889facbeSLen Brown 2459889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2460889facbeSLen Brown resolution = (msr >> 27) & 0xF; 2461b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n", 2462889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, resolution); 2463889facbeSLen Brown 2464889facbeSLen Brown #ifdef THERM_DEBUG 2465889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr)) 2466889facbeSLen Brown return 0; 2467889facbeSLen Brown 2468889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2469889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2470b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2471889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2472889facbeSLen Brown #endif 2473889facbeSLen Brown } 2474889facbeSLen Brown 2475889facbeSLen Brown return 0; 2476889facbeSLen Brown } 2477889facbeSLen Brown 2478889facbeSLen Brown void print_power_limit_msr(int cpu, unsigned long long msr, char *label) 2479889facbeSLen Brown { 2480b7d8c148SLen Brown fprintf(outf, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n", 2481889facbeSLen Brown cpu, label, 2482889facbeSLen Brown ((msr >> 15) & 1) ? "EN" : "DIS", 2483889facbeSLen Brown ((msr >> 0) & 0x7FFF) * rapl_power_units, 2484889facbeSLen Brown (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units, 2485889facbeSLen Brown (((msr >> 16) & 1) ? "EN" : "DIS")); 2486889facbeSLen Brown 2487889facbeSLen Brown return; 2488889facbeSLen Brown } 2489889facbeSLen Brown 2490889facbeSLen Brown int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2491889facbeSLen Brown { 2492889facbeSLen Brown unsigned long long msr; 2493889facbeSLen Brown int cpu; 2494889facbeSLen Brown 2495889facbeSLen Brown if (!do_rapl) 2496889facbeSLen Brown return 0; 2497889facbeSLen Brown 2498889facbeSLen Brown /* RAPL counters are per package, so print only for 1st thread/package */ 2499889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2500889facbeSLen Brown return 0; 2501889facbeSLen Brown 2502889facbeSLen Brown cpu = t->cpu_id; 2503889facbeSLen Brown if (cpu_migrate(cpu)) { 2504b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2505889facbeSLen Brown return -1; 2506889facbeSLen Brown } 2507889facbeSLen Brown 2508889facbeSLen Brown if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr)) 2509889facbeSLen Brown return -1; 2510889facbeSLen Brown 2511d8af6f5fSLen Brown if (debug) { 2512b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx " 2513889facbeSLen Brown "(%f Watts, %f Joules, %f sec.)\n", cpu, msr, 2514144b44b1SLen Brown rapl_power_units, rapl_energy_units, rapl_time_units); 2515889facbeSLen Brown } 2516144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) { 2517144b44b1SLen Brown 2518889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr)) 2519889facbeSLen Brown return -5; 2520889facbeSLen Brown 2521889facbeSLen Brown 2522b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2523889facbeSLen Brown cpu, msr, 2524889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2525889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2526889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2527889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 2528889facbeSLen Brown 2529144b44b1SLen Brown } 2530144b44b1SLen Brown if (do_rapl & RAPL_PKG) { 2531144b44b1SLen Brown 2532889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr)) 2533889facbeSLen Brown return -9; 2534889facbeSLen Brown 2535b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n", 2536889facbeSLen Brown cpu, msr, (msr >> 63) & 1 ? "": "UN"); 2537889facbeSLen Brown 2538889facbeSLen Brown print_power_limit_msr(cpu, msr, "PKG Limit #1"); 2539b7d8c148SLen Brown fprintf(outf, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n", 2540889facbeSLen Brown cpu, 2541889facbeSLen Brown ((msr >> 47) & 1) ? "EN" : "DIS", 2542889facbeSLen Brown ((msr >> 32) & 0x7FFF) * rapl_power_units, 2543889facbeSLen Brown (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units, 2544889facbeSLen Brown ((msr >> 48) & 1) ? "EN" : "DIS"); 2545889facbeSLen Brown } 2546889facbeSLen Brown 25470b2bb692SLen Brown if (do_rapl & RAPL_DRAM_POWER_INFO) { 2548889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr)) 2549889facbeSLen Brown return -6; 2550889facbeSLen Brown 2551b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2552889facbeSLen Brown cpu, msr, 2553889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2554889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2555889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2556889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 25570b2bb692SLen Brown } 25580b2bb692SLen Brown if (do_rapl & RAPL_DRAM) { 2559889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr)) 2560889facbeSLen Brown return -9; 2561b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n", 2562889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2563889facbeSLen Brown 2564889facbeSLen Brown print_power_limit_msr(cpu, msr, "DRAM Limit"); 2565889facbeSLen Brown } 2566144b44b1SLen Brown if (do_rapl & RAPL_CORE_POLICY) { 2567d8af6f5fSLen Brown if (debug) { 2568889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POLICY, &msr)) 2569889facbeSLen Brown return -7; 2570889facbeSLen Brown 2571b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF); 2572144b44b1SLen Brown } 2573144b44b1SLen Brown } 2574144b44b1SLen Brown if (do_rapl & RAPL_CORES) { 2575d8af6f5fSLen Brown if (debug) { 2576889facbeSLen Brown 2577889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr)) 2578889facbeSLen Brown return -9; 2579b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n", 2580889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2581889facbeSLen Brown print_power_limit_msr(cpu, msr, "Cores Limit"); 2582889facbeSLen Brown } 2583889facbeSLen Brown } 2584889facbeSLen Brown if (do_rapl & RAPL_GFX) { 2585d8af6f5fSLen Brown if (debug) { 2586889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POLICY, &msr)) 2587889facbeSLen Brown return -8; 2588889facbeSLen Brown 2589b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF); 2590889facbeSLen Brown 2591889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr)) 2592889facbeSLen Brown return -9; 2593b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n", 2594889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2595889facbeSLen Brown print_power_limit_msr(cpu, msr, "GFX Limit"); 2596889facbeSLen Brown } 2597889facbeSLen Brown } 2598889facbeSLen Brown return 0; 2599889facbeSLen Brown } 2600889facbeSLen Brown 2601d7899447SLen Brown /* 2602d7899447SLen Brown * SNB adds support for additional MSRs: 2603d7899447SLen Brown * 2604d7899447SLen Brown * MSR_PKG_C7_RESIDENCY 0x000003fa 2605d7899447SLen Brown * MSR_CORE_C7_RESIDENCY 0x000003fe 2606d7899447SLen Brown * MSR_PKG_C2_RESIDENCY 0x0000060d 2607d7899447SLen Brown */ 2608103a8feaSLen Brown 2609d7899447SLen Brown int has_snb_msrs(unsigned int family, unsigned int model) 2610103a8feaSLen Brown { 2611103a8feaSLen Brown if (!genuine_intel) 2612103a8feaSLen Brown return 0; 2613103a8feaSLen Brown 2614103a8feaSLen Brown switch (model) { 2615103a8feaSLen Brown case 0x2A: 2616103a8feaSLen Brown case 0x2D: 2617650a37f3SLen Brown case 0x3A: /* IVB */ 26181300651bSLen Brown case 0x3E: /* IVB Xeon */ 261970b43400SLen Brown case 0x3C: /* HSW */ 262070b43400SLen Brown case 0x3F: /* HSW */ 262170b43400SLen Brown case 0x45: /* HSW */ 2622149c2319SLen Brown case 0x46: /* HSW */ 26234e8e863fSLen Brown case 0x3D: /* BDW */ 262448a0631cSLen Brown case 0x47: /* BDW */ 26254e8e863fSLen Brown case 0x4F: /* BDX */ 26264e8e863fSLen Brown case 0x56: /* BDX-DE */ 26270b2bb692SLen Brown case 0x4E: /* SKL */ 26280b2bb692SLen Brown case 0x5E: /* SKL */ 2629103a8feaSLen Brown return 1; 2630103a8feaSLen Brown } 2631103a8feaSLen Brown return 0; 2632103a8feaSLen Brown } 2633103a8feaSLen Brown 2634d7899447SLen Brown /* 2635d7899447SLen Brown * HSW adds support for additional MSRs: 2636d7899447SLen Brown * 2637d7899447SLen Brown * MSR_PKG_C8_RESIDENCY 0x00000630 2638d7899447SLen Brown * MSR_PKG_C9_RESIDENCY 0x00000631 2639d7899447SLen Brown * MSR_PKG_C10_RESIDENCY 0x00000632 2640d7899447SLen Brown */ 2641d7899447SLen Brown int has_hsw_msrs(unsigned int family, unsigned int model) 2642ca58710fSKristen Carlson Accardi { 2643ca58710fSKristen Carlson Accardi if (!genuine_intel) 2644ca58710fSKristen Carlson Accardi return 0; 2645ca58710fSKristen Carlson Accardi 2646ca58710fSKristen Carlson Accardi switch (model) { 26474e8e863fSLen Brown case 0x45: /* HSW */ 26484e8e863fSLen Brown case 0x3D: /* BDW */ 26490b2bb692SLen Brown case 0x4E: /* SKL */ 26500b2bb692SLen Brown case 0x5E: /* SKL */ 2651ca58710fSKristen Carlson Accardi return 1; 2652ca58710fSKristen Carlson Accardi } 2653ca58710fSKristen Carlson Accardi return 0; 2654ca58710fSKristen Carlson Accardi } 2655ca58710fSKristen Carlson Accardi 26560b2bb692SLen Brown /* 26570b2bb692SLen Brown * SKL adds support for additional MSRS: 26580b2bb692SLen Brown * 26590b2bb692SLen Brown * MSR_PKG_WEIGHTED_CORE_C0_RES 0x00000658 26600b2bb692SLen Brown * MSR_PKG_ANY_CORE_C0_RES 0x00000659 26610b2bb692SLen Brown * MSR_PKG_ANY_GFXE_C0_RES 0x0000065A 26620b2bb692SLen Brown * MSR_PKG_BOTH_CORE_GFXE_C0_RES 0x0000065B 26630b2bb692SLen Brown */ 26640b2bb692SLen Brown int has_skl_msrs(unsigned int family, unsigned int model) 26650b2bb692SLen Brown { 26660b2bb692SLen Brown if (!genuine_intel) 26670b2bb692SLen Brown return 0; 26680b2bb692SLen Brown 26690b2bb692SLen Brown switch (model) { 26700b2bb692SLen Brown case 0x4E: /* SKL */ 26710b2bb692SLen Brown case 0x5E: /* SKL */ 26720b2bb692SLen Brown return 1; 26730b2bb692SLen Brown } 26740b2bb692SLen Brown return 0; 26750b2bb692SLen Brown } 26760b2bb692SLen Brown 26770b2bb692SLen Brown 2678ca58710fSKristen Carlson Accardi 2679144b44b1SLen Brown int is_slm(unsigned int family, unsigned int model) 2680144b44b1SLen Brown { 2681144b44b1SLen Brown if (!genuine_intel) 2682144b44b1SLen Brown return 0; 2683144b44b1SLen Brown switch (model) { 2684144b44b1SLen Brown case 0x37: /* BYT */ 2685144b44b1SLen Brown case 0x4D: /* AVN */ 2686144b44b1SLen Brown return 1; 2687144b44b1SLen Brown } 2688144b44b1SLen Brown return 0; 2689144b44b1SLen Brown } 2690144b44b1SLen Brown 2691fb5d4327SDasaratharaman Chandramouli int is_knl(unsigned int family, unsigned int model) 2692fb5d4327SDasaratharaman Chandramouli { 2693fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 2694fb5d4327SDasaratharaman Chandramouli return 0; 2695fb5d4327SDasaratharaman Chandramouli switch (model) { 2696fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 2697fb5d4327SDasaratharaman Chandramouli return 1; 2698fb5d4327SDasaratharaman Chandramouli } 2699fb5d4327SDasaratharaman Chandramouli return 0; 2700fb5d4327SDasaratharaman Chandramouli } 2701fb5d4327SDasaratharaman Chandramouli 2702b2b34dfeSHubert Chrzaniuk unsigned int get_aperf_mperf_multiplier(unsigned int family, unsigned int model) 2703b2b34dfeSHubert Chrzaniuk { 2704b2b34dfeSHubert Chrzaniuk if (is_knl(family, model)) 2705b2b34dfeSHubert Chrzaniuk return 1024; 2706b2b34dfeSHubert Chrzaniuk return 1; 2707b2b34dfeSHubert Chrzaniuk } 2708b2b34dfeSHubert Chrzaniuk 2709144b44b1SLen Brown #define SLM_BCLK_FREQS 5 2710144b44b1SLen Brown double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0}; 2711144b44b1SLen Brown 2712144b44b1SLen Brown double slm_bclk(void) 2713144b44b1SLen Brown { 2714144b44b1SLen Brown unsigned long long msr = 3; 2715144b44b1SLen Brown unsigned int i; 2716144b44b1SLen Brown double freq; 2717144b44b1SLen Brown 27187ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_FSB_FREQ, &msr)) 2719b7d8c148SLen Brown fprintf(outf, "SLM BCLK: unknown\n"); 2720144b44b1SLen Brown 2721144b44b1SLen Brown i = msr & 0xf; 2722144b44b1SLen Brown if (i >= SLM_BCLK_FREQS) { 2723b7d8c148SLen Brown fprintf(outf, "SLM BCLK[%d] invalid\n", i); 2724144b44b1SLen Brown msr = 3; 2725144b44b1SLen Brown } 2726144b44b1SLen Brown freq = slm_freq_table[i]; 2727144b44b1SLen Brown 2728b7d8c148SLen Brown fprintf(outf, "SLM BCLK: %.1f Mhz\n", freq); 2729144b44b1SLen Brown 2730144b44b1SLen Brown return freq; 2731144b44b1SLen Brown } 2732144b44b1SLen Brown 2733103a8feaSLen Brown double discover_bclk(unsigned int family, unsigned int model) 2734103a8feaSLen Brown { 2735121b48bbSChrzaniuk, Hubert if (has_snb_msrs(family, model) || is_knl(family, model)) 2736103a8feaSLen Brown return 100.00; 2737144b44b1SLen Brown else if (is_slm(family, model)) 2738144b44b1SLen Brown return slm_bclk(); 2739103a8feaSLen Brown else 2740103a8feaSLen Brown return 133.33; 2741103a8feaSLen Brown } 2742103a8feaSLen Brown 2743889facbeSLen Brown /* 2744889facbeSLen Brown * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where 2745889facbeSLen Brown * the Thermal Control Circuit (TCC) activates. 2746889facbeSLen Brown * This is usually equal to tjMax. 2747889facbeSLen Brown * 2748889facbeSLen Brown * Older processors do not have this MSR, so there we guess, 2749889facbeSLen Brown * but also allow cmdline over-ride with -T. 2750889facbeSLen Brown * 2751889facbeSLen Brown * Several MSR temperature values are in units of degrees-C 2752889facbeSLen Brown * below this value, including the Digital Thermal Sensor (DTS), 2753889facbeSLen Brown * Package Thermal Management Sensor (PTM), and thermal event thresholds. 2754889facbeSLen Brown */ 2755889facbeSLen Brown int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2756889facbeSLen Brown { 2757889facbeSLen Brown unsigned long long msr; 2758889facbeSLen Brown unsigned int target_c_local; 2759889facbeSLen Brown int cpu; 2760889facbeSLen Brown 2761889facbeSLen Brown /* tcc_activation_temp is used only for dts or ptm */ 2762889facbeSLen Brown if (!(do_dts || do_ptm)) 2763889facbeSLen Brown return 0; 2764889facbeSLen Brown 2765889facbeSLen Brown /* this is a per-package concept */ 2766889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2767889facbeSLen Brown return 0; 2768889facbeSLen Brown 2769889facbeSLen Brown cpu = t->cpu_id; 2770889facbeSLen Brown if (cpu_migrate(cpu)) { 2771b7d8c148SLen Brown fprintf(outf, "Could not migrate to CPU %d\n", cpu); 2772889facbeSLen Brown return -1; 2773889facbeSLen Brown } 2774889facbeSLen Brown 2775889facbeSLen Brown if (tcc_activation_temp_override != 0) { 2776889facbeSLen Brown tcc_activation_temp = tcc_activation_temp_override; 2777b7d8c148SLen Brown fprintf(outf, "cpu%d: Using cmdline TCC Target (%d C)\n", 2778889facbeSLen Brown cpu, tcc_activation_temp); 2779889facbeSLen Brown return 0; 2780889facbeSLen Brown } 2781889facbeSLen Brown 2782889facbeSLen Brown /* Temperature Target MSR is Nehalem and newer only */ 2783d7899447SLen Brown if (!do_nhm_platform_info) 2784889facbeSLen Brown goto guess; 2785889facbeSLen Brown 27867ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr)) 2787889facbeSLen Brown goto guess; 2788889facbeSLen Brown 27893482124aSJean Delvare target_c_local = (msr >> 16) & 0xFF; 2790889facbeSLen Brown 2791d8af6f5fSLen Brown if (debug) 2792b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", 2793889facbeSLen Brown cpu, msr, target_c_local); 2794889facbeSLen Brown 27953482124aSJean Delvare if (!target_c_local) 2796889facbeSLen Brown goto guess; 2797889facbeSLen Brown 2798889facbeSLen Brown tcc_activation_temp = target_c_local; 2799889facbeSLen Brown 2800889facbeSLen Brown return 0; 2801889facbeSLen Brown 2802889facbeSLen Brown guess: 2803889facbeSLen Brown tcc_activation_temp = TJMAX_DEFAULT; 2804b7d8c148SLen Brown fprintf(outf, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n", 2805889facbeSLen Brown cpu, tcc_activation_temp); 2806889facbeSLen Brown 2807889facbeSLen Brown return 0; 2808889facbeSLen Brown } 280969807a63SLen Brown 281069807a63SLen Brown void decode_misc_enable_msr(void) 281169807a63SLen Brown { 281269807a63SLen Brown unsigned long long msr; 281369807a63SLen Brown 281469807a63SLen Brown if (!get_msr(base_cpu, MSR_IA32_MISC_ENABLE, &msr)) 2815b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_IA32_MISC_ENABLE: 0x%08llx (%s %s %s)\n", 281669807a63SLen Brown base_cpu, msr, 281769807a63SLen Brown msr & (1 << 3) ? "TCC" : "", 281869807a63SLen Brown msr & (1 << 16) ? "EIST" : "", 281969807a63SLen Brown msr & (1 << 18) ? "MONITOR" : ""); 282069807a63SLen Brown } 282169807a63SLen Brown 2822f0057310SLen Brown /* 2823f0057310SLen Brown * Decode MSR_MISC_PWR_MGMT 2824f0057310SLen Brown * 2825f0057310SLen Brown * Decode the bits according to the Nehalem documentation 2826f0057310SLen Brown * bit[0] seems to continue to have same meaning going forward 2827f0057310SLen Brown * bit[1] less so... 2828f0057310SLen Brown */ 2829f0057310SLen Brown void decode_misc_pwr_mgmt_msr(void) 2830f0057310SLen Brown { 2831f0057310SLen Brown unsigned long long msr; 2832f0057310SLen Brown 2833f0057310SLen Brown if (!do_nhm_platform_info) 2834f0057310SLen Brown return; 2835f0057310SLen Brown 2836f0057310SLen Brown if (!get_msr(base_cpu, MSR_MISC_PWR_MGMT, &msr)) 2837b7d8c148SLen Brown fprintf(outf, "cpu%d: MSR_MISC_PWR_MGMT: 0x%08llx (%sable-EIST_Coordination %sable-EPB)\n", 2838f0057310SLen Brown base_cpu, msr, 2839f0057310SLen Brown msr & (1 << 0) ? "DIS" : "EN", 2840f0057310SLen Brown msr & (1 << 1) ? "EN" : "DIS"); 2841f0057310SLen Brown } 28427f5c258eSLen Brown 2843fcd17211SLen Brown void process_cpuid() 2844103a8feaSLen Brown { 284561a87ba7SLen Brown unsigned int eax, ebx, ecx, edx, max_level, max_extended_level; 2846103a8feaSLen Brown unsigned int fms, family, model, stepping; 2847103a8feaSLen Brown 2848103a8feaSLen Brown eax = ebx = ecx = edx = 0; 2849103a8feaSLen Brown 28502b92865eSJosh Triplett __get_cpuid(0, &max_level, &ebx, &ecx, &edx); 2851103a8feaSLen Brown 2852103a8feaSLen Brown if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e) 2853103a8feaSLen Brown genuine_intel = 1; 2854103a8feaSLen Brown 2855d8af6f5fSLen Brown if (debug) 2856b7d8c148SLen Brown fprintf(outf, "CPUID(0): %.4s%.4s%.4s ", 2857103a8feaSLen Brown (char *)&ebx, (char *)&edx, (char *)&ecx); 2858103a8feaSLen Brown 28592b92865eSJosh Triplett __get_cpuid(1, &fms, &ebx, &ecx, &edx); 2860103a8feaSLen Brown family = (fms >> 8) & 0xf; 2861103a8feaSLen Brown model = (fms >> 4) & 0xf; 2862103a8feaSLen Brown stepping = fms & 0xf; 2863103a8feaSLen Brown if (family == 6 || family == 0xf) 2864103a8feaSLen Brown model += ((fms >> 16) & 0xf) << 4; 2865103a8feaSLen Brown 286669807a63SLen Brown if (debug) { 2867b7d8c148SLen Brown fprintf(outf, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n", 2868103a8feaSLen Brown max_level, family, model, stepping, family, model, stepping); 2869b7d8c148SLen Brown fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s\n", 287069807a63SLen Brown ecx & (1 << 0) ? "SSE3" : "-", 287169807a63SLen Brown ecx & (1 << 3) ? "MONITOR" : "-", 287269807a63SLen Brown ecx & (1 << 7) ? "EIST" : "-", 287369807a63SLen Brown ecx & (1 << 8) ? "TM2" : "-", 287469807a63SLen Brown edx & (1 << 4) ? "TSC" : "-", 287569807a63SLen Brown edx & (1 << 5) ? "MSR" : "-", 287669807a63SLen Brown edx & (1 << 22) ? "ACPI-TM" : "-", 287769807a63SLen Brown edx & (1 << 29) ? "TM" : "-"); 287869807a63SLen Brown } 2879103a8feaSLen Brown 2880b2c95d90SJosh Triplett if (!(edx & (1 << 5))) 2881b2c95d90SJosh Triplett errx(1, "CPUID: no MSR"); 2882103a8feaSLen Brown 2883103a8feaSLen Brown /* 2884103a8feaSLen Brown * check max extended function levels of CPUID. 2885103a8feaSLen Brown * This is needed to check for invariant TSC. 2886103a8feaSLen Brown * This check is valid for both Intel and AMD. 2887103a8feaSLen Brown */ 2888103a8feaSLen Brown ebx = ecx = edx = 0; 288961a87ba7SLen Brown __get_cpuid(0x80000000, &max_extended_level, &ebx, &ecx, &edx); 2890103a8feaSLen Brown 289161a87ba7SLen Brown if (max_extended_level >= 0x80000007) { 2892103a8feaSLen Brown 2893103a8feaSLen Brown /* 2894103a8feaSLen Brown * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8 2895103a8feaSLen Brown * this check is valid for both Intel and AMD 2896103a8feaSLen Brown */ 28972b92865eSJosh Triplett __get_cpuid(0x80000007, &eax, &ebx, &ecx, &edx); 28988209e054SThomas Renninger has_invariant_tsc = edx & (1 << 8); 2899d7899447SLen Brown } 2900103a8feaSLen Brown 2901103a8feaSLen Brown /* 2902103a8feaSLen Brown * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0 2903103a8feaSLen Brown * this check is valid for both Intel and AMD 2904103a8feaSLen Brown */ 2905103a8feaSLen Brown 29062b92865eSJosh Triplett __get_cpuid(0x6, &eax, &ebx, &ecx, &edx); 29078209e054SThomas Renninger has_aperf = ecx & (1 << 0); 2908889facbeSLen Brown do_dts = eax & (1 << 0); 2909889facbeSLen Brown do_ptm = eax & (1 << 6); 29107f5c258eSLen Brown has_hwp = eax & (1 << 7); 29117f5c258eSLen Brown has_hwp_notify = eax & (1 << 8); 29127f5c258eSLen Brown has_hwp_activity_window = eax & (1 << 9); 29137f5c258eSLen Brown has_hwp_epp = eax & (1 << 10); 29147f5c258eSLen Brown has_hwp_pkg = eax & (1 << 11); 2915889facbeSLen Brown has_epb = ecx & (1 << 3); 2916889facbeSLen Brown 2917d8af6f5fSLen Brown if (debug) 2918b7d8c148SLen Brown fprintf(outf, "CPUID(6): %sAPERF, %sDTS, %sPTM, %sHWP, " 29197f5c258eSLen Brown "%sHWPnotify, %sHWPwindow, %sHWPepp, %sHWPpkg, %sEPB\n", 29207f5c258eSLen Brown has_aperf ? "" : "No-", 29217f5c258eSLen Brown do_dts ? "" : "No-", 29227f5c258eSLen Brown do_ptm ? "" : "No-", 29237f5c258eSLen Brown has_hwp ? "" : "No-", 29247f5c258eSLen Brown has_hwp_notify ? "" : "No-", 29257f5c258eSLen Brown has_hwp_activity_window ? "" : "No-", 29267f5c258eSLen Brown has_hwp_epp ? "" : "No-", 29277f5c258eSLen Brown has_hwp_pkg ? "" : "No-", 29287f5c258eSLen Brown has_epb ? "" : "No-"); 2929103a8feaSLen Brown 293069807a63SLen Brown if (debug) 293169807a63SLen Brown decode_misc_enable_msr(); 293269807a63SLen Brown 293361a87ba7SLen Brown if (max_level >= 0x15) { 29348a5bdf41SLen Brown unsigned int eax_crystal; 29358a5bdf41SLen Brown unsigned int ebx_tsc; 29368a5bdf41SLen Brown 29378a5bdf41SLen Brown /* 29388a5bdf41SLen Brown * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz 29398a5bdf41SLen Brown */ 29408a5bdf41SLen Brown eax_crystal = ebx_tsc = crystal_hz = edx = 0; 29418a5bdf41SLen Brown __get_cpuid(0x15, &eax_crystal, &ebx_tsc, &crystal_hz, &edx); 29428a5bdf41SLen Brown 29438a5bdf41SLen Brown if (ebx_tsc != 0) { 29448a5bdf41SLen Brown 29458a5bdf41SLen Brown if (debug && (ebx != 0)) 2946b7d8c148SLen Brown fprintf(outf, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n", 29478a5bdf41SLen Brown eax_crystal, ebx_tsc, crystal_hz); 29488a5bdf41SLen Brown 29498a5bdf41SLen Brown if (crystal_hz == 0) 29508a5bdf41SLen Brown switch(model) { 29518a5bdf41SLen Brown case 0x4E: /* SKL */ 29528a5bdf41SLen Brown case 0x5E: /* SKL */ 29538a5bdf41SLen Brown crystal_hz = 24000000; /* 24 MHz */ 29548a5bdf41SLen Brown break; 29558a5bdf41SLen Brown default: 29568a5bdf41SLen Brown crystal_hz = 0; 29578a5bdf41SLen Brown } 29588a5bdf41SLen Brown 29598a5bdf41SLen Brown if (crystal_hz) { 29608a5bdf41SLen Brown tsc_hz = (unsigned long long) crystal_hz * ebx_tsc / eax_crystal; 29618a5bdf41SLen Brown if (debug) 2962b7d8c148SLen Brown fprintf(outf, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n", 29638a5bdf41SLen Brown tsc_hz / 1000000, crystal_hz, ebx_tsc, eax_crystal); 29648a5bdf41SLen Brown } 29658a5bdf41SLen Brown } 29668a5bdf41SLen Brown } 296761a87ba7SLen Brown if (max_level >= 0x16) { 296861a87ba7SLen Brown unsigned int base_mhz, max_mhz, bus_mhz, edx; 296961a87ba7SLen Brown 297061a87ba7SLen Brown /* 297161a87ba7SLen Brown * CPUID 16H Base MHz, Max MHz, Bus MHz 297261a87ba7SLen Brown */ 297361a87ba7SLen Brown base_mhz = max_mhz = bus_mhz = edx = 0; 297461a87ba7SLen Brown 297561a87ba7SLen Brown __get_cpuid(0x16, &base_mhz, &max_mhz, &bus_mhz, &edx); 297661a87ba7SLen Brown if (debug) 2977b7d8c148SLen Brown fprintf(outf, "CPUID(0x16): base_mhz: %d max_mhz: %d bus_mhz: %d\n", 297861a87ba7SLen Brown base_mhz, max_mhz, bus_mhz); 297961a87ba7SLen Brown } 29808a5bdf41SLen Brown 2981b2b34dfeSHubert Chrzaniuk if (has_aperf) 2982b2b34dfeSHubert Chrzaniuk aperf_mperf_multiplier = get_aperf_mperf_multiplier(family, model); 2983b2b34dfeSHubert Chrzaniuk 2984ee7e38e3SLen Brown do_nhm_platform_info = do_nhm_cstates = do_smi = probe_nhm_msrs(family, model); 2985d7899447SLen Brown do_snb_cstates = has_snb_msrs(family, model); 2986ee7e38e3SLen Brown do_pc2 = do_snb_cstates && (pkg_cstate_limit >= PCL__2); 2987ee7e38e3SLen Brown do_pc3 = (pkg_cstate_limit >= PCL__3); 2988ee7e38e3SLen Brown do_pc6 = (pkg_cstate_limit >= PCL__6); 2989ee7e38e3SLen Brown do_pc7 = do_snb_cstates && (pkg_cstate_limit >= PCL__7); 2990d7899447SLen Brown do_c8_c9_c10 = has_hsw_msrs(family, model); 29910b2bb692SLen Brown do_skl_residency = has_skl_msrs(family, model); 2992144b44b1SLen Brown do_slm_cstates = is_slm(family, model); 2993fb5d4327SDasaratharaman Chandramouli do_knl_cstates = is_knl(family, model); 2994103a8feaSLen Brown 2995f0057310SLen Brown if (debug) 2996f0057310SLen Brown decode_misc_pwr_mgmt_msr(); 2997f0057310SLen Brown 2998889facbeSLen Brown rapl_probe(family, model); 29993a9a941dSLen Brown perf_limit_reasons_probe(family, model); 3000889facbeSLen Brown 3001fcd17211SLen Brown if (debug) 300258cc30a4SLen Brown dump_cstate_pstate_config_info(family, model); 3003fcd17211SLen Brown 3004a2b7b749SLen Brown if (has_skl_msrs(family, model)) 3005a2b7b749SLen Brown calculate_tsc_tweak(); 3006a2b7b749SLen Brown 3007889facbeSLen Brown return; 3008103a8feaSLen Brown } 3009103a8feaSLen Brown 3010d8af6f5fSLen Brown void help() 3011103a8feaSLen Brown { 3012b7d8c148SLen Brown fprintf(outf, 3013d8af6f5fSLen Brown "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n" 3014d8af6f5fSLen Brown "\n" 3015d8af6f5fSLen Brown "Turbostat forks the specified COMMAND and prints statistics\n" 3016d8af6f5fSLen Brown "when COMMAND completes.\n" 3017d8af6f5fSLen Brown "If no COMMAND is specified, turbostat wakes every 5-seconds\n" 3018d8af6f5fSLen Brown "to print statistics, until interrupted.\n" 3019d8af6f5fSLen Brown "--debug run in \"debug\" mode\n" 3020d8af6f5fSLen Brown "--interval sec Override default 5-second measurement interval\n" 3021d8af6f5fSLen Brown "--help print this help message\n" 3022d8af6f5fSLen Brown "--counter msr print 32-bit counter at address \"msr\"\n" 3023d8af6f5fSLen Brown "--Counter msr print 64-bit Counter at address \"msr\"\n" 3024b7d8c148SLen Brown "--out file create or truncate \"file\" for all output\n" 3025d8af6f5fSLen Brown "--msr msr print 32-bit value at address \"msr\"\n" 3026d8af6f5fSLen Brown "--MSR msr print 64-bit Value at address \"msr\"\n" 3027d8af6f5fSLen Brown "--version print version information\n" 3028d8af6f5fSLen Brown "\n" 3029d8af6f5fSLen Brown "For more help, run \"man turbostat\"\n"); 3030103a8feaSLen Brown } 3031103a8feaSLen Brown 3032103a8feaSLen Brown 3033103a8feaSLen Brown /* 3034103a8feaSLen Brown * in /dev/cpu/ return success for names that are numbers 3035103a8feaSLen Brown * ie. filter out ".", "..", "microcode". 3036103a8feaSLen Brown */ 3037103a8feaSLen Brown int dir_filter(const struct dirent *dirp) 3038103a8feaSLen Brown { 3039103a8feaSLen Brown if (isdigit(dirp->d_name[0])) 3040103a8feaSLen Brown return 1; 3041103a8feaSLen Brown else 3042103a8feaSLen Brown return 0; 3043103a8feaSLen Brown } 3044103a8feaSLen Brown 3045103a8feaSLen Brown int open_dev_cpu_msr(int dummy1) 3046103a8feaSLen Brown { 3047103a8feaSLen Brown return 0; 3048103a8feaSLen Brown } 3049103a8feaSLen Brown 3050c98d5d94SLen Brown void topology_probe() 3051c98d5d94SLen Brown { 3052c98d5d94SLen Brown int i; 3053c98d5d94SLen Brown int max_core_id = 0; 3054c98d5d94SLen Brown int max_package_id = 0; 3055c98d5d94SLen Brown int max_siblings = 0; 3056c98d5d94SLen Brown struct cpu_topology { 3057c98d5d94SLen Brown int core_id; 3058c98d5d94SLen Brown int physical_package_id; 3059c98d5d94SLen Brown } *cpus; 3060c98d5d94SLen Brown 3061c98d5d94SLen Brown /* Initialize num_cpus, max_cpu_num */ 3062c98d5d94SLen Brown topo.num_cpus = 0; 3063c98d5d94SLen Brown topo.max_cpu_num = 0; 3064c98d5d94SLen Brown for_all_proc_cpus(count_cpus); 3065c98d5d94SLen Brown if (!summary_only && topo.num_cpus > 1) 3066c98d5d94SLen Brown show_cpu = 1; 3067c98d5d94SLen Brown 3068d8af6f5fSLen Brown if (debug > 1) 3069b7d8c148SLen Brown fprintf(outf, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num); 3070c98d5d94SLen Brown 3071c98d5d94SLen Brown cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology)); 3072b2c95d90SJosh Triplett if (cpus == NULL) 3073b2c95d90SJosh Triplett err(1, "calloc cpus"); 3074c98d5d94SLen Brown 3075c98d5d94SLen Brown /* 3076c98d5d94SLen Brown * Allocate and initialize cpu_present_set 3077c98d5d94SLen Brown */ 3078c98d5d94SLen Brown cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1)); 3079b2c95d90SJosh Triplett if (cpu_present_set == NULL) 3080b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 3081c98d5d94SLen Brown cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 3082c98d5d94SLen Brown CPU_ZERO_S(cpu_present_setsize, cpu_present_set); 3083c98d5d94SLen Brown for_all_proc_cpus(mark_cpu_present); 3084c98d5d94SLen Brown 3085c98d5d94SLen Brown /* 3086c98d5d94SLen Brown * Allocate and initialize cpu_affinity_set 3087c98d5d94SLen Brown */ 3088c98d5d94SLen Brown cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1)); 3089b2c95d90SJosh Triplett if (cpu_affinity_set == NULL) 3090b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 3091c98d5d94SLen Brown cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 3092c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 3093c98d5d94SLen Brown 3094c98d5d94SLen Brown 3095c98d5d94SLen Brown /* 3096c98d5d94SLen Brown * For online cpus 3097c98d5d94SLen Brown * find max_core_id, max_package_id 3098c98d5d94SLen Brown */ 3099c98d5d94SLen Brown for (i = 0; i <= topo.max_cpu_num; ++i) { 3100c98d5d94SLen Brown int siblings; 3101c98d5d94SLen Brown 3102c98d5d94SLen Brown if (cpu_is_not_present(i)) { 3103d8af6f5fSLen Brown if (debug > 1) 3104b7d8c148SLen Brown fprintf(outf, "cpu%d NOT PRESENT\n", i); 3105c98d5d94SLen Brown continue; 3106c98d5d94SLen Brown } 3107c98d5d94SLen Brown cpus[i].core_id = get_core_id(i); 3108c98d5d94SLen Brown if (cpus[i].core_id > max_core_id) 3109c98d5d94SLen Brown max_core_id = cpus[i].core_id; 3110c98d5d94SLen Brown 3111c98d5d94SLen Brown cpus[i].physical_package_id = get_physical_package_id(i); 3112c98d5d94SLen Brown if (cpus[i].physical_package_id > max_package_id) 3113c98d5d94SLen Brown max_package_id = cpus[i].physical_package_id; 3114c98d5d94SLen Brown 3115c98d5d94SLen Brown siblings = get_num_ht_siblings(i); 3116c98d5d94SLen Brown if (siblings > max_siblings) 3117c98d5d94SLen Brown max_siblings = siblings; 3118d8af6f5fSLen Brown if (debug > 1) 3119b7d8c148SLen Brown fprintf(outf, "cpu %d pkg %d core %d\n", 3120c98d5d94SLen Brown i, cpus[i].physical_package_id, cpus[i].core_id); 3121c98d5d94SLen Brown } 3122c98d5d94SLen Brown topo.num_cores_per_pkg = max_core_id + 1; 3123d8af6f5fSLen Brown if (debug > 1) 3124b7d8c148SLen Brown fprintf(outf, "max_core_id %d, sizing for %d cores per package\n", 3125c98d5d94SLen Brown max_core_id, topo.num_cores_per_pkg); 31261cc21f7bSLen Brown if (debug && !summary_only && topo.num_cores_per_pkg > 1) 3127c98d5d94SLen Brown show_core = 1; 3128c98d5d94SLen Brown 3129c98d5d94SLen Brown topo.num_packages = max_package_id + 1; 3130d8af6f5fSLen Brown if (debug > 1) 3131b7d8c148SLen Brown fprintf(outf, "max_package_id %d, sizing for %d packages\n", 3132c98d5d94SLen Brown max_package_id, topo.num_packages); 31331cc21f7bSLen Brown if (debug && !summary_only && topo.num_packages > 1) 3134c98d5d94SLen Brown show_pkg = 1; 3135c98d5d94SLen Brown 3136c98d5d94SLen Brown topo.num_threads_per_core = max_siblings; 3137d8af6f5fSLen Brown if (debug > 1) 3138b7d8c148SLen Brown fprintf(outf, "max_siblings %d\n", max_siblings); 3139c98d5d94SLen Brown 3140c98d5d94SLen Brown free(cpus); 3141c98d5d94SLen Brown } 3142c98d5d94SLen Brown 3143c98d5d94SLen Brown void 3144c98d5d94SLen Brown allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p) 3145c98d5d94SLen Brown { 3146c98d5d94SLen Brown int i; 3147c98d5d94SLen Brown 3148c98d5d94SLen Brown *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg * 3149c98d5d94SLen Brown topo.num_packages, sizeof(struct thread_data)); 3150c98d5d94SLen Brown if (*t == NULL) 3151c98d5d94SLen Brown goto error; 3152c98d5d94SLen Brown 3153c98d5d94SLen Brown for (i = 0; i < topo.num_threads_per_core * 3154c98d5d94SLen Brown topo.num_cores_per_pkg * topo.num_packages; i++) 3155c98d5d94SLen Brown (*t)[i].cpu_id = -1; 3156c98d5d94SLen Brown 3157c98d5d94SLen Brown *c = calloc(topo.num_cores_per_pkg * topo.num_packages, 3158c98d5d94SLen Brown sizeof(struct core_data)); 3159c98d5d94SLen Brown if (*c == NULL) 3160c98d5d94SLen Brown goto error; 3161c98d5d94SLen Brown 3162c98d5d94SLen Brown for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++) 3163c98d5d94SLen Brown (*c)[i].core_id = -1; 3164c98d5d94SLen Brown 3165c98d5d94SLen Brown *p = calloc(topo.num_packages, sizeof(struct pkg_data)); 3166c98d5d94SLen Brown if (*p == NULL) 3167c98d5d94SLen Brown goto error; 3168c98d5d94SLen Brown 3169c98d5d94SLen Brown for (i = 0; i < topo.num_packages; i++) 3170c98d5d94SLen Brown (*p)[i].package_id = i; 3171c98d5d94SLen Brown 3172c98d5d94SLen Brown return; 3173c98d5d94SLen Brown error: 3174b2c95d90SJosh Triplett err(1, "calloc counters"); 3175c98d5d94SLen Brown } 3176c98d5d94SLen Brown /* 3177c98d5d94SLen Brown * init_counter() 3178c98d5d94SLen Brown * 3179c98d5d94SLen Brown * set cpu_id, core_num, pkg_num 3180c98d5d94SLen Brown * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE 3181c98d5d94SLen Brown * 3182c98d5d94SLen Brown * increment topo.num_cores when 1st core in pkg seen 3183c98d5d94SLen Brown */ 3184c98d5d94SLen Brown void init_counter(struct thread_data *thread_base, struct core_data *core_base, 3185c98d5d94SLen Brown struct pkg_data *pkg_base, int thread_num, int core_num, 3186c98d5d94SLen Brown int pkg_num, int cpu_id) 3187c98d5d94SLen Brown { 3188c98d5d94SLen Brown struct thread_data *t; 3189c98d5d94SLen Brown struct core_data *c; 3190c98d5d94SLen Brown struct pkg_data *p; 3191c98d5d94SLen Brown 3192c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_num, core_num, pkg_num); 3193c98d5d94SLen Brown c = GET_CORE(core_base, core_num, pkg_num); 3194c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_num); 3195c98d5d94SLen Brown 3196c98d5d94SLen Brown t->cpu_id = cpu_id; 3197c98d5d94SLen Brown if (thread_num == 0) { 3198c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_THREAD_IN_CORE; 3199c98d5d94SLen Brown if (cpu_is_first_core_in_package(cpu_id)) 3200c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE; 3201c98d5d94SLen Brown } 3202c98d5d94SLen Brown 3203c98d5d94SLen Brown c->core_id = core_num; 3204c98d5d94SLen Brown p->package_id = pkg_num; 3205c98d5d94SLen Brown } 3206c98d5d94SLen Brown 3207c98d5d94SLen Brown 3208c98d5d94SLen Brown int initialize_counters(int cpu_id) 3209c98d5d94SLen Brown { 3210c98d5d94SLen Brown int my_thread_id, my_core_id, my_package_id; 3211c98d5d94SLen Brown 3212c98d5d94SLen Brown my_package_id = get_physical_package_id(cpu_id); 3213c98d5d94SLen Brown my_core_id = get_core_id(cpu_id); 3214e275b388SDasaratharaman Chandramouli my_thread_id = get_cpu_position_in_core(cpu_id); 3215e275b388SDasaratharaman Chandramouli if (!my_thread_id) 3216c98d5d94SLen Brown topo.num_cores++; 3217c98d5d94SLen Brown 3218c98d5d94SLen Brown init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3219c98d5d94SLen Brown init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3220c98d5d94SLen Brown return 0; 3221c98d5d94SLen Brown } 3222c98d5d94SLen Brown 3223c98d5d94SLen Brown void allocate_output_buffer() 3224c98d5d94SLen Brown { 32253b4d5c7fSAndy Shevchenko output_buffer = calloc(1, (1 + topo.num_cpus) * 1024); 3226c98d5d94SLen Brown outp = output_buffer; 3227b2c95d90SJosh Triplett if (outp == NULL) 3228b2c95d90SJosh Triplett err(-1, "calloc output buffer"); 3229c98d5d94SLen Brown } 3230*36229897SLen Brown void allocate_fd_percpu(void) 3231*36229897SLen Brown { 3232*36229897SLen Brown fd_percpu = calloc(topo.max_cpu_num, sizeof(int)); 3233*36229897SLen Brown if (fd_percpu == NULL) 3234*36229897SLen Brown err(-1, "calloc fd_percpu"); 3235*36229897SLen Brown } 3236c98d5d94SLen Brown void setup_all_buffers(void) 3237c98d5d94SLen Brown { 3238c98d5d94SLen Brown topology_probe(); 3239*36229897SLen Brown allocate_fd_percpu(); 3240c98d5d94SLen Brown allocate_counters(&thread_even, &core_even, &package_even); 3241c98d5d94SLen Brown allocate_counters(&thread_odd, &core_odd, &package_odd); 3242c98d5d94SLen Brown allocate_output_buffer(); 3243c98d5d94SLen Brown for_all_proc_cpus(initialize_counters); 3244c98d5d94SLen Brown } 32453b4d5c7fSAndy Shevchenko 32467ce7d5deSPrarit Bhargava void set_base_cpu(void) 32477ce7d5deSPrarit Bhargava { 32487ce7d5deSPrarit Bhargava base_cpu = sched_getcpu(); 32497ce7d5deSPrarit Bhargava if (base_cpu < 0) 32507ce7d5deSPrarit Bhargava err(-ENODEV, "No valid cpus found"); 32517ce7d5deSPrarit Bhargava 32527ce7d5deSPrarit Bhargava if (debug > 1) 3253b7d8c148SLen Brown fprintf(outf, "base_cpu = %d\n", base_cpu); 32547ce7d5deSPrarit Bhargava } 32557ce7d5deSPrarit Bhargava 3256103a8feaSLen Brown void turbostat_init() 3257103a8feaSLen Brown { 32587ce7d5deSPrarit Bhargava setup_all_buffers(); 32597ce7d5deSPrarit Bhargava set_base_cpu(); 3260103a8feaSLen Brown check_dev_msr(); 326198481e79SLen Brown check_permissions(); 3262fcd17211SLen Brown process_cpuid(); 3263103a8feaSLen Brown 3264103a8feaSLen Brown 3265d8af6f5fSLen Brown if (debug) 32667f5c258eSLen Brown for_all_cpus(print_hwp, ODD_COUNTERS); 32677f5c258eSLen Brown 32687f5c258eSLen Brown if (debug) 3269889facbeSLen Brown for_all_cpus(print_epb, ODD_COUNTERS); 3270889facbeSLen Brown 3271d8af6f5fSLen Brown if (debug) 32723a9a941dSLen Brown for_all_cpus(print_perf_limit, ODD_COUNTERS); 32733a9a941dSLen Brown 3274d8af6f5fSLen Brown if (debug) 3275889facbeSLen Brown for_all_cpus(print_rapl, ODD_COUNTERS); 3276889facbeSLen Brown 3277889facbeSLen Brown for_all_cpus(set_temperature_target, ODD_COUNTERS); 3278889facbeSLen Brown 3279d8af6f5fSLen Brown if (debug) 3280889facbeSLen Brown for_all_cpus(print_thermal, ODD_COUNTERS); 3281103a8feaSLen Brown } 3282103a8feaSLen Brown 3283103a8feaSLen Brown int fork_it(char **argv) 3284103a8feaSLen Brown { 3285103a8feaSLen Brown pid_t child_pid; 3286d91bb17cSLen Brown int status; 3287d15cf7c1SLen Brown 3288d91bb17cSLen Brown status = for_all_cpus(get_counters, EVEN_COUNTERS); 3289d91bb17cSLen Brown if (status) 3290d91bb17cSLen Brown exit(status); 3291d15cf7c1SLen Brown /* clear affinity side-effect of get_counters() */ 3292d15cf7c1SLen Brown sched_setaffinity(0, cpu_present_setsize, cpu_present_set); 3293103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 3294103a8feaSLen Brown 3295103a8feaSLen Brown child_pid = fork(); 3296103a8feaSLen Brown if (!child_pid) { 3297103a8feaSLen Brown /* child */ 3298103a8feaSLen Brown execvp(argv[0], argv); 3299103a8feaSLen Brown } else { 3300103a8feaSLen Brown 3301103a8feaSLen Brown /* parent */ 3302b2c95d90SJosh Triplett if (child_pid == -1) 3303b2c95d90SJosh Triplett err(1, "fork"); 3304103a8feaSLen Brown 3305103a8feaSLen Brown signal(SIGINT, SIG_IGN); 3306103a8feaSLen Brown signal(SIGQUIT, SIG_IGN); 3307b2c95d90SJosh Triplett if (waitpid(child_pid, &status, 0) == -1) 3308b2c95d90SJosh Triplett err(status, "waitpid"); 3309103a8feaSLen Brown } 3310c98d5d94SLen Brown /* 3311c98d5d94SLen Brown * n.b. fork_it() does not check for errors from for_all_cpus() 3312c98d5d94SLen Brown * because re-starting is problematic when forking 3313c98d5d94SLen Brown */ 3314c98d5d94SLen Brown for_all_cpus(get_counters, ODD_COUNTERS); 3315103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 3316103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 3317c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 3318c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 3319c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 3320103a8feaSLen Brown 3321b7d8c148SLen Brown fprintf(outf, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); 3322b7d8c148SLen Brown 3323b7d8c148SLen Brown flush_output_stderr(); 3324103a8feaSLen Brown 3325d91bb17cSLen Brown return status; 3326103a8feaSLen Brown } 3327103a8feaSLen Brown 33283b4d5c7fSAndy Shevchenko int get_and_dump_counters(void) 33293b4d5c7fSAndy Shevchenko { 33303b4d5c7fSAndy Shevchenko int status; 33313b4d5c7fSAndy Shevchenko 33323b4d5c7fSAndy Shevchenko status = for_all_cpus(get_counters, ODD_COUNTERS); 33333b4d5c7fSAndy Shevchenko if (status) 33343b4d5c7fSAndy Shevchenko return status; 33353b4d5c7fSAndy Shevchenko 33363b4d5c7fSAndy Shevchenko status = for_all_cpus(dump_counters, ODD_COUNTERS); 33373b4d5c7fSAndy Shevchenko if (status) 33383b4d5c7fSAndy Shevchenko return status; 33393b4d5c7fSAndy Shevchenko 3340b7d8c148SLen Brown flush_output_stdout(); 33413b4d5c7fSAndy Shevchenko 33423b4d5c7fSAndy Shevchenko return status; 33433b4d5c7fSAndy Shevchenko } 33443b4d5c7fSAndy Shevchenko 3345d8af6f5fSLen Brown void print_version() { 3346b7d8c148SLen Brown fprintf(outf, "turbostat version 4.10 10 Dec, 2015" 3347d8af6f5fSLen Brown " - Len Brown <lenb@kernel.org>\n"); 3348d8af6f5fSLen Brown } 3349d8af6f5fSLen Brown 3350103a8feaSLen Brown void cmdline(int argc, char **argv) 3351103a8feaSLen Brown { 3352103a8feaSLen Brown int opt; 3353d8af6f5fSLen Brown int option_index = 0; 3354d8af6f5fSLen Brown static struct option long_options[] = { 3355d8af6f5fSLen Brown {"Counter", required_argument, 0, 'C'}, 3356d8af6f5fSLen Brown {"counter", required_argument, 0, 'c'}, 3357d8af6f5fSLen Brown {"Dump", no_argument, 0, 'D'}, 3358d8af6f5fSLen Brown {"debug", no_argument, 0, 'd'}, 3359d8af6f5fSLen Brown {"interval", required_argument, 0, 'i'}, 3360d8af6f5fSLen Brown {"help", no_argument, 0, 'h'}, 3361d8af6f5fSLen Brown {"Joules", no_argument, 0, 'J'}, 3362d8af6f5fSLen Brown {"MSR", required_argument, 0, 'M'}, 3363d8af6f5fSLen Brown {"msr", required_argument, 0, 'm'}, 3364b7d8c148SLen Brown {"out", required_argument, 0, 'o'}, 3365d8af6f5fSLen Brown {"Package", no_argument, 0, 'p'}, 3366d8af6f5fSLen Brown {"processor", no_argument, 0, 'p'}, 3367d8af6f5fSLen Brown {"Summary", no_argument, 0, 'S'}, 3368d8af6f5fSLen Brown {"TCC", required_argument, 0, 'T'}, 3369d8af6f5fSLen Brown {"version", no_argument, 0, 'v' }, 3370d8af6f5fSLen Brown {0, 0, 0, 0 } 3371d8af6f5fSLen Brown }; 3372103a8feaSLen Brown 3373103a8feaSLen Brown progname = argv[0]; 3374103a8feaSLen Brown 3375b7d8c148SLen Brown while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:JM:m:o:PpST:v", 3376d8af6f5fSLen Brown long_options, &option_index)) != -1) { 3377103a8feaSLen Brown switch (opt) { 3378d8af6f5fSLen Brown case 'C': 3379d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_delta_offset64); 3380103a8feaSLen Brown break; 3381f9240813SLen Brown case 'c': 33828e180f3cSLen Brown sscanf(optarg, "%x", &extra_delta_offset32); 33838e180f3cSLen Brown break; 3384d8af6f5fSLen Brown case 'D': 3385d8af6f5fSLen Brown dump_only++; 33868e180f3cSLen Brown break; 3387d8af6f5fSLen Brown case 'd': 3388d8af6f5fSLen Brown debug++; 33892f32edf1SLen Brown break; 3390d8af6f5fSLen Brown case 'h': 3391d8af6f5fSLen Brown default: 3392d8af6f5fSLen Brown help(); 3393d8af6f5fSLen Brown exit(1); 3394d8af6f5fSLen Brown case 'i': 33952a0609c0SLen Brown { 33962a0609c0SLen Brown double interval = strtod(optarg, NULL); 33972a0609c0SLen Brown 33982a0609c0SLen Brown if (interval < 0.001) { 3399b7d8c148SLen Brown fprintf(outf, "interval %f seconds is too small\n", 34002a0609c0SLen Brown interval); 34012a0609c0SLen Brown exit(2); 34022a0609c0SLen Brown } 34032a0609c0SLen Brown 34042a0609c0SLen Brown interval_ts.tv_sec = interval; 34052a0609c0SLen Brown interval_ts.tv_nsec = (interval - interval_ts.tv_sec) * 1000000000; 34062a0609c0SLen Brown } 3407889facbeSLen Brown break; 34085c56be9aSDirk Brandewie case 'J': 34095c56be9aSDirk Brandewie rapl_joules++; 34105c56be9aSDirk Brandewie break; 3411d8af6f5fSLen Brown case 'M': 3412d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset64); 3413d8af6f5fSLen Brown break; 3414d8af6f5fSLen Brown case 'm': 3415d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset32); 3416d8af6f5fSLen Brown break; 3417b7d8c148SLen Brown case 'o': 3418b7d8c148SLen Brown outf = fopen_or_die(optarg, "w"); 3419b7d8c148SLen Brown break; 3420d8af6f5fSLen Brown case 'P': 3421d8af6f5fSLen Brown show_pkg_only++; 3422d8af6f5fSLen Brown break; 3423d8af6f5fSLen Brown case 'p': 3424d8af6f5fSLen Brown show_core_only++; 3425d8af6f5fSLen Brown break; 3426d8af6f5fSLen Brown case 'S': 3427d8af6f5fSLen Brown summary_only++; 3428d8af6f5fSLen Brown break; 3429d8af6f5fSLen Brown case 'T': 3430d8af6f5fSLen Brown tcc_activation_temp_override = atoi(optarg); 3431d8af6f5fSLen Brown break; 3432d8af6f5fSLen Brown case 'v': 3433d8af6f5fSLen Brown print_version(); 3434d8af6f5fSLen Brown exit(0); 3435d8af6f5fSLen Brown break; 3436103a8feaSLen Brown } 3437103a8feaSLen Brown } 3438103a8feaSLen Brown } 3439103a8feaSLen Brown 3440103a8feaSLen Brown int main(int argc, char **argv) 3441103a8feaSLen Brown { 3442b7d8c148SLen Brown outf = stderr; 3443b7d8c148SLen Brown 3444103a8feaSLen Brown cmdline(argc, argv); 3445103a8feaSLen Brown 3446d8af6f5fSLen Brown if (debug) 3447d8af6f5fSLen Brown print_version(); 3448103a8feaSLen Brown 3449103a8feaSLen Brown turbostat_init(); 3450103a8feaSLen Brown 34513b4d5c7fSAndy Shevchenko /* dump counters and exit */ 34523b4d5c7fSAndy Shevchenko if (dump_only) 34533b4d5c7fSAndy Shevchenko return get_and_dump_counters(); 34543b4d5c7fSAndy Shevchenko 3455103a8feaSLen Brown /* 3456103a8feaSLen Brown * if any params left, it must be a command to fork 3457103a8feaSLen Brown */ 3458103a8feaSLen Brown if (argc - optind) 3459103a8feaSLen Brown return fork_it(argv + optind); 3460103a8feaSLen Brown else 3461103a8feaSLen Brown turbostat_loop(); 3462103a8feaSLen Brown 3463103a8feaSLen Brown return 0; 3464103a8feaSLen Brown } 3465