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> 412b92865eSJosh Triplett #include <cpuid.h> 4298481e79SLen Brown #include <linux/capability.h> 4398481e79SLen Brown #include <errno.h> 44103a8feaSLen Brown 45103a8feaSLen Brown char *proc_stat = "/proc/stat"; 46d8af6f5fSLen Brown unsigned int interval_sec = 5; 47d8af6f5fSLen Brown unsigned int debug; 48d8af6f5fSLen Brown unsigned int rapl_joules; 49d8af6f5fSLen Brown unsigned int summary_only; 50d8af6f5fSLen Brown unsigned int dump_only; 51103a8feaSLen Brown unsigned int skip_c0; 52103a8feaSLen Brown unsigned int skip_c1; 53103a8feaSLen Brown unsigned int do_nhm_cstates; 54103a8feaSLen Brown unsigned int do_snb_cstates; 55ee7e38e3SLen Brown unsigned int do_pc2; 56ee7e38e3SLen Brown unsigned int do_pc3; 57ee7e38e3SLen Brown unsigned int do_pc6; 58ee7e38e3SLen Brown unsigned int do_pc7; 59ca58710fSKristen Carlson Accardi unsigned int do_c8_c9_c10; 60144b44b1SLen Brown unsigned int do_slm_cstates; 61144b44b1SLen Brown unsigned int use_c1_residency_msr; 62103a8feaSLen Brown unsigned int has_aperf; 63889facbeSLen Brown unsigned int has_epb; 64fc04cc67SLen Brown unsigned int units = 1000000; /* MHz etc */ 65103a8feaSLen Brown unsigned int genuine_intel; 66103a8feaSLen Brown unsigned int has_invariant_tsc; 67d7899447SLen Brown unsigned int do_nhm_platform_info; 68d7899447SLen Brown unsigned int do_nhm_turbo_ratio_limit; 696574a5d5SLen Brown unsigned int do_ivt_turbo_ratio_limit; 702f32edf1SLen Brown unsigned int extra_msr_offset32; 712f32edf1SLen Brown unsigned int extra_msr_offset64; 728e180f3cSLen Brown unsigned int extra_delta_offset32; 738e180f3cSLen Brown unsigned int extra_delta_offset64; 741ed51011SLen Brown int do_smi; 75103a8feaSLen Brown double bclk; 76103a8feaSLen Brown unsigned int show_pkg; 77103a8feaSLen Brown unsigned int show_core; 78103a8feaSLen Brown unsigned int show_cpu; 79c98d5d94SLen Brown unsigned int show_pkg_only; 80c98d5d94SLen Brown unsigned int show_core_only; 81c98d5d94SLen Brown char *output_buffer, *outp; 82889facbeSLen Brown unsigned int do_rapl; 83889facbeSLen Brown unsigned int do_dts; 84889facbeSLen Brown unsigned int do_ptm; 85889facbeSLen Brown unsigned int tcc_activation_temp; 86889facbeSLen Brown unsigned int tcc_activation_temp_override; 87889facbeSLen Brown double rapl_power_units, rapl_energy_units, rapl_time_units; 88889facbeSLen Brown double rapl_joule_counter_range; 893a9a941dSLen Brown unsigned int do_core_perf_limit_reasons; 903a9a941dSLen Brown unsigned int do_gfx_perf_limit_reasons; 913a9a941dSLen Brown unsigned int do_ring_perf_limit_reasons; 92889facbeSLen Brown 93889facbeSLen Brown #define RAPL_PKG (1 << 0) 94e6f9bb3cSLen Brown /* 0x610 MSR_PKG_POWER_LIMIT */ 95e6f9bb3cSLen Brown /* 0x611 MSR_PKG_ENERGY_STATUS */ 96e6f9bb3cSLen Brown #define RAPL_PKG_PERF_STATUS (1 << 1) 97e6f9bb3cSLen Brown /* 0x613 MSR_PKG_PERF_STATUS */ 98e6f9bb3cSLen Brown #define RAPL_PKG_POWER_INFO (1 << 2) 99e6f9bb3cSLen Brown /* 0x614 MSR_PKG_POWER_INFO */ 100e6f9bb3cSLen Brown 101889facbeSLen Brown #define RAPL_DRAM (1 << 3) 102e6f9bb3cSLen Brown /* 0x618 MSR_DRAM_POWER_LIMIT */ 103e6f9bb3cSLen Brown /* 0x619 MSR_DRAM_ENERGY_STATUS */ 104e6f9bb3cSLen Brown /* 0x61c MSR_DRAM_POWER_INFO */ 105e6f9bb3cSLen Brown #define RAPL_DRAM_PERF_STATUS (1 << 4) 106e6f9bb3cSLen Brown /* 0x61b MSR_DRAM_PERF_STATUS */ 107e6f9bb3cSLen Brown 108e6f9bb3cSLen Brown #define RAPL_CORES (1 << 5) 109e6f9bb3cSLen Brown /* 0x638 MSR_PP0_POWER_LIMIT */ 110e6f9bb3cSLen Brown /* 0x639 MSR_PP0_ENERGY_STATUS */ 111e6f9bb3cSLen Brown #define RAPL_CORE_POLICY (1 << 6) 112e6f9bb3cSLen Brown /* 0x63a MSR_PP0_POLICY */ 113e6f9bb3cSLen Brown 114e6f9bb3cSLen Brown 115e6f9bb3cSLen Brown #define RAPL_GFX (1 << 7) 116e6f9bb3cSLen Brown /* 0x640 MSR_PP1_POWER_LIMIT */ 117e6f9bb3cSLen Brown /* 0x641 MSR_PP1_ENERGY_STATUS */ 118e6f9bb3cSLen Brown /* 0x642 MSR_PP1_POLICY */ 119889facbeSLen Brown #define TJMAX_DEFAULT 100 120889facbeSLen Brown 121889facbeSLen Brown #define MAX(a, b) ((a) > (b) ? (a) : (b)) 122103a8feaSLen Brown 123103a8feaSLen Brown int aperf_mperf_unstable; 124103a8feaSLen Brown int backwards_count; 125103a8feaSLen Brown char *progname; 126103a8feaSLen Brown 127c98d5d94SLen Brown cpu_set_t *cpu_present_set, *cpu_affinity_set; 128c98d5d94SLen Brown size_t cpu_present_setsize, cpu_affinity_setsize; 129c98d5d94SLen Brown 130c98d5d94SLen Brown struct thread_data { 131c98d5d94SLen Brown unsigned long long tsc; 132c98d5d94SLen Brown unsigned long long aperf; 133c98d5d94SLen Brown unsigned long long mperf; 134144b44b1SLen Brown unsigned long long c1; 1352f32edf1SLen Brown unsigned long long extra_msr64; 1368e180f3cSLen Brown unsigned long long extra_delta64; 1378e180f3cSLen Brown unsigned long long extra_msr32; 1388e180f3cSLen Brown unsigned long long extra_delta32; 1391ed51011SLen Brown unsigned int smi_count; 140c98d5d94SLen Brown unsigned int cpu_id; 141c98d5d94SLen Brown unsigned int flags; 142c98d5d94SLen Brown #define CPU_IS_FIRST_THREAD_IN_CORE 0x2 143c98d5d94SLen Brown #define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4 144c98d5d94SLen Brown } *thread_even, *thread_odd; 145c98d5d94SLen Brown 146c98d5d94SLen Brown struct core_data { 147c98d5d94SLen Brown unsigned long long c3; 148c98d5d94SLen Brown unsigned long long c6; 149c98d5d94SLen Brown unsigned long long c7; 150889facbeSLen Brown unsigned int core_temp_c; 151c98d5d94SLen Brown unsigned int core_id; 152c98d5d94SLen Brown } *core_even, *core_odd; 153c98d5d94SLen Brown 154c98d5d94SLen Brown struct pkg_data { 155c98d5d94SLen Brown unsigned long long pc2; 156c98d5d94SLen Brown unsigned long long pc3; 157c98d5d94SLen Brown unsigned long long pc6; 158c98d5d94SLen Brown unsigned long long pc7; 159ca58710fSKristen Carlson Accardi unsigned long long pc8; 160ca58710fSKristen Carlson Accardi unsigned long long pc9; 161ca58710fSKristen Carlson Accardi unsigned long long pc10; 162c98d5d94SLen Brown unsigned int package_id; 163889facbeSLen Brown unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */ 164889facbeSLen Brown unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */ 165889facbeSLen Brown unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */ 166889facbeSLen Brown unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */ 167889facbeSLen Brown unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */ 168889facbeSLen Brown unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */ 169889facbeSLen Brown unsigned int pkg_temp_c; 170889facbeSLen Brown 171c98d5d94SLen Brown } *package_even, *package_odd; 172c98d5d94SLen Brown 173c98d5d94SLen Brown #define ODD_COUNTERS thread_odd, core_odd, package_odd 174c98d5d94SLen Brown #define EVEN_COUNTERS thread_even, core_even, package_even 175c98d5d94SLen Brown 176c98d5d94SLen Brown #define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \ 177c98d5d94SLen Brown (thread_base + (pkg_no) * topo.num_cores_per_pkg * \ 178c98d5d94SLen Brown topo.num_threads_per_core + \ 179c98d5d94SLen Brown (core_no) * topo.num_threads_per_core + (thread_no)) 180c98d5d94SLen Brown #define GET_CORE(core_base, core_no, pkg_no) \ 181c98d5d94SLen Brown (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no)) 182c98d5d94SLen Brown #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no) 183c98d5d94SLen Brown 184c98d5d94SLen Brown struct system_summary { 185c98d5d94SLen Brown struct thread_data threads; 186c98d5d94SLen Brown struct core_data cores; 187c98d5d94SLen Brown struct pkg_data packages; 188c98d5d94SLen Brown } sum, average; 189c98d5d94SLen Brown 190c98d5d94SLen Brown 191c98d5d94SLen Brown struct topo_params { 192c98d5d94SLen Brown int num_packages; 193103a8feaSLen Brown int num_cpus; 194c98d5d94SLen Brown int num_cores; 195c98d5d94SLen Brown int max_cpu_num; 196c98d5d94SLen Brown int num_cores_per_pkg; 197c98d5d94SLen Brown int num_threads_per_core; 198c98d5d94SLen Brown } topo; 199103a8feaSLen Brown 200c98d5d94SLen Brown struct timeval tv_even, tv_odd, tv_delta; 201103a8feaSLen Brown 202c98d5d94SLen Brown void setup_all_buffers(void); 203103a8feaSLen Brown 204c98d5d94SLen Brown int cpu_is_not_present(int cpu) 205d15cf7c1SLen Brown { 206c98d5d94SLen Brown return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set); 207c98d5d94SLen Brown } 208c98d5d94SLen Brown /* 209c98d5d94SLen Brown * run func(thread, core, package) in topology order 210c98d5d94SLen Brown * skip non-present cpus 211c98d5d94SLen Brown */ 212c98d5d94SLen Brown 213c98d5d94SLen Brown int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *), 214c98d5d94SLen Brown struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base) 215c98d5d94SLen Brown { 216c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 217c98d5d94SLen Brown 218c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 219c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 220c98d5d94SLen Brown for (thread_no = 0; thread_no < 221c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 222c98d5d94SLen Brown struct thread_data *t; 223c98d5d94SLen Brown struct core_data *c; 224c98d5d94SLen Brown struct pkg_data *p; 225c98d5d94SLen Brown 226c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 227c98d5d94SLen Brown 228c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 229c98d5d94SLen Brown continue; 230c98d5d94SLen Brown 231c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 232c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 233c98d5d94SLen Brown 234c98d5d94SLen Brown retval = func(t, c, p); 235c98d5d94SLen Brown if (retval) 236c98d5d94SLen Brown return retval; 237c98d5d94SLen Brown } 238c98d5d94SLen Brown } 239c98d5d94SLen Brown } 240d15cf7c1SLen Brown return 0; 241d15cf7c1SLen Brown } 242d15cf7c1SLen Brown 24388c3281fSLen Brown int cpu_migrate(int cpu) 24488c3281fSLen Brown { 245c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 246c98d5d94SLen Brown CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set); 247c98d5d94SLen Brown if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1) 24888c3281fSLen Brown return -1; 24988c3281fSLen Brown else 25088c3281fSLen Brown return 0; 25188c3281fSLen Brown } 25288c3281fSLen Brown 25315aaa346SLen Brown int get_msr(int cpu, off_t offset, unsigned long long *msr) 254103a8feaSLen Brown { 255103a8feaSLen Brown ssize_t retval; 256103a8feaSLen Brown char pathname[32]; 257103a8feaSLen Brown int fd; 258103a8feaSLen Brown 259103a8feaSLen Brown sprintf(pathname, "/dev/cpu/%d/msr", cpu); 260103a8feaSLen Brown fd = open(pathname, O_RDONLY); 26115aaa346SLen Brown if (fd < 0) 26298481e79SLen Brown err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname); 263103a8feaSLen Brown 26415aaa346SLen Brown retval = pread(fd, msr, sizeof *msr, offset); 265103a8feaSLen Brown close(fd); 26615aaa346SLen Brown 26798481e79SLen Brown if (retval != sizeof *msr) 26898481e79SLen Brown err(-1, "%s offset 0x%llx read failed", pathname, (unsigned long long)offset); 26915aaa346SLen Brown 27015aaa346SLen Brown return 0; 271103a8feaSLen Brown } 272103a8feaSLen Brown 273fc04cc67SLen Brown /* 274fc04cc67SLen Brown * Example Format w/ field column widths: 275fc04cc67SLen Brown * 276fc04cc67SLen 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 277e7c95ff3SLen Brown * 123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678 278fc04cc67SLen Brown */ 279fc04cc67SLen Brown 280a829eb4dSLen Brown void print_header(void) 281103a8feaSLen Brown { 282103a8feaSLen Brown if (show_pkg) 283fc04cc67SLen Brown outp += sprintf(outp, " Package"); 284103a8feaSLen Brown if (show_core) 285fc04cc67SLen Brown outp += sprintf(outp, " Core"); 286103a8feaSLen Brown if (show_cpu) 287c98d5d94SLen Brown outp += sprintf(outp, " CPU"); 288103a8feaSLen Brown if (has_aperf) 289fc04cc67SLen Brown outp += sprintf(outp, " Avg_MHz"); 290d7899447SLen Brown if (has_aperf) 291fc04cc67SLen Brown outp += sprintf(outp, " %%Busy"); 292fc04cc67SLen Brown if (has_aperf) 293fc04cc67SLen Brown outp += sprintf(outp, " Bzy_MHz"); 294fc04cc67SLen Brown outp += sprintf(outp, " TSC_MHz"); 2951ed51011SLen Brown if (do_smi) 2961ed51011SLen Brown outp += sprintf(outp, " SMI"); 2978e180f3cSLen Brown if (extra_delta_offset32) 298f9240813SLen Brown outp += sprintf(outp, " count 0x%03X", extra_delta_offset32); 2998e180f3cSLen Brown if (extra_delta_offset64) 300f9240813SLen Brown outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64); 3012f32edf1SLen Brown if (extra_msr_offset32) 3028e180f3cSLen Brown outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32); 3032f32edf1SLen Brown if (extra_msr_offset64) 3048e180f3cSLen Brown outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64); 305103a8feaSLen Brown if (do_nhm_cstates) 306fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c1"); 307144b44b1SLen Brown if (do_nhm_cstates && !do_slm_cstates) 308fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c3"); 309103a8feaSLen Brown if (do_nhm_cstates) 310fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c6"); 311103a8feaSLen Brown if (do_snb_cstates) 312fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c7"); 313889facbeSLen Brown 314889facbeSLen Brown if (do_dts) 315fc04cc67SLen Brown outp += sprintf(outp, " CoreTmp"); 316889facbeSLen Brown if (do_ptm) 317fc04cc67SLen Brown outp += sprintf(outp, " PkgTmp"); 318889facbeSLen Brown 319ee7e38e3SLen Brown if (do_pc2) 320fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc2"); 321ee7e38e3SLen Brown if (do_pc3) 322fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc3"); 323ee7e38e3SLen Brown if (do_pc6) 324fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc6"); 325ee7e38e3SLen Brown if (do_pc7) 326fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc7"); 327ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 328fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc8"); 329fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc9"); 330fc04cc67SLen Brown outp += sprintf(outp, " Pk%%pc10"); 331ca58710fSKristen Carlson Accardi } 332103a8feaSLen Brown 3335c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 334889facbeSLen Brown if (do_rapl & RAPL_PKG) 335fc04cc67SLen Brown outp += sprintf(outp, " PkgWatt"); 336889facbeSLen Brown if (do_rapl & RAPL_CORES) 337fc04cc67SLen Brown outp += sprintf(outp, " CorWatt"); 338889facbeSLen Brown if (do_rapl & RAPL_GFX) 339fc04cc67SLen Brown outp += sprintf(outp, " GFXWatt"); 340889facbeSLen Brown if (do_rapl & RAPL_DRAM) 341fc04cc67SLen Brown outp += sprintf(outp, " RAMWatt"); 342889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 343889facbeSLen Brown outp += sprintf(outp, " PKG_%%"); 344889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 345889facbeSLen Brown outp += sprintf(outp, " RAM_%%"); 346d7899447SLen Brown } else if (do_rapl && rapl_joules) { 3475c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 3485c56be9aSDirk Brandewie outp += sprintf(outp, " Pkg_J"); 3495c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 3505c56be9aSDirk Brandewie outp += sprintf(outp, " Cor_J"); 3515c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 3525c56be9aSDirk Brandewie outp += sprintf(outp, " GFX_J"); 3535c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 3545c56be9aSDirk Brandewie outp += sprintf(outp, " RAM_W"); 3555c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 3565c56be9aSDirk Brandewie outp += sprintf(outp, " PKG_%%"); 3575c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 3585c56be9aSDirk Brandewie outp += sprintf(outp, " RAM_%%"); 3595c56be9aSDirk Brandewie outp += sprintf(outp, " time"); 360889facbeSLen Brown 3615c56be9aSDirk Brandewie } 362c98d5d94SLen Brown outp += sprintf(outp, "\n"); 363103a8feaSLen Brown } 364103a8feaSLen Brown 365c98d5d94SLen Brown int dump_counters(struct thread_data *t, struct core_data *c, 366c98d5d94SLen Brown struct pkg_data *p) 367103a8feaSLen Brown { 3683b4d5c7fSAndy Shevchenko outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p); 369c98d5d94SLen Brown 370c98d5d94SLen Brown if (t) { 3713b4d5c7fSAndy Shevchenko outp += sprintf(outp, "CPU: %d flags 0x%x\n", 3723b4d5c7fSAndy Shevchenko t->cpu_id, t->flags); 3733b4d5c7fSAndy Shevchenko outp += sprintf(outp, "TSC: %016llX\n", t->tsc); 3743b4d5c7fSAndy Shevchenko outp += sprintf(outp, "aperf: %016llX\n", t->aperf); 3753b4d5c7fSAndy Shevchenko outp += sprintf(outp, "mperf: %016llX\n", t->mperf); 3763b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c1: %016llX\n", t->c1); 3773b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 3788e180f3cSLen Brown extra_delta_offset32, t->extra_delta32); 3793b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 3808e180f3cSLen Brown extra_delta_offset64, t->extra_delta64); 3813b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 3822f32edf1SLen Brown extra_msr_offset32, t->extra_msr32); 3833b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 3842f32edf1SLen Brown extra_msr_offset64, t->extra_msr64); 3851ed51011SLen Brown if (do_smi) 3863b4d5c7fSAndy Shevchenko outp += sprintf(outp, "SMI: %08X\n", t->smi_count); 387103a8feaSLen Brown } 388103a8feaSLen Brown 389c98d5d94SLen Brown if (c) { 3903b4d5c7fSAndy Shevchenko outp += sprintf(outp, "core: %d\n", c->core_id); 3913b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c3: %016llX\n", c->c3); 3923b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c6: %016llX\n", c->c6); 3933b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c7: %016llX\n", c->c7); 3943b4d5c7fSAndy Shevchenko outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c); 395c98d5d94SLen Brown } 396103a8feaSLen Brown 397c98d5d94SLen Brown if (p) { 3983b4d5c7fSAndy Shevchenko outp += sprintf(outp, "package: %d\n", p->package_id); 3993b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc2: %016llX\n", p->pc2); 400ee7e38e3SLen Brown if (do_pc3) 4013b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc3: %016llX\n", p->pc3); 402ee7e38e3SLen Brown if (do_pc6) 4033b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc6: %016llX\n", p->pc6); 404ee7e38e3SLen Brown if (do_pc7) 4053b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc7: %016llX\n", p->pc7); 4063b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc8: %016llX\n", p->pc8); 4073b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc9: %016llX\n", p->pc9); 4083b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc10: %016llX\n", p->pc10); 4093b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg); 4103b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores); 4113b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx); 4123b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram); 4133b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle PKG: %0X\n", 4143b4d5c7fSAndy Shevchenko p->rapl_pkg_perf_status); 4153b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle RAM: %0X\n", 4163b4d5c7fSAndy Shevchenko p->rapl_dram_perf_status); 4173b4d5c7fSAndy Shevchenko outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c); 418c98d5d94SLen Brown } 4193b4d5c7fSAndy Shevchenko 4203b4d5c7fSAndy Shevchenko outp += sprintf(outp, "\n"); 4213b4d5c7fSAndy Shevchenko 422c98d5d94SLen Brown return 0; 423103a8feaSLen Brown } 424103a8feaSLen Brown 425e23da037SLen Brown /* 426e23da037SLen Brown * column formatting convention & formats 427e23da037SLen Brown */ 428c98d5d94SLen Brown int format_counters(struct thread_data *t, struct core_data *c, 429c98d5d94SLen Brown struct pkg_data *p) 430103a8feaSLen Brown { 431103a8feaSLen Brown double interval_float; 432fc04cc67SLen Brown char *fmt8; 433103a8feaSLen Brown 434c98d5d94SLen Brown /* if showing only 1st thread in core and this isn't one, bail out */ 435c98d5d94SLen Brown if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 436c98d5d94SLen Brown return 0; 437c98d5d94SLen Brown 438c98d5d94SLen Brown /* if showing only 1st thread in pkg and this isn't one, bail out */ 439c98d5d94SLen Brown if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 440c98d5d94SLen Brown return 0; 441c98d5d94SLen Brown 442103a8feaSLen Brown interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0; 443103a8feaSLen Brown 444c98d5d94SLen Brown /* topo columns, print blanks on 1st (average) line */ 445c98d5d94SLen Brown if (t == &average.threads) { 446103a8feaSLen Brown if (show_pkg) 447fc04cc67SLen Brown outp += sprintf(outp, " -"); 448103a8feaSLen Brown if (show_core) 449fc04cc67SLen Brown outp += sprintf(outp, " -"); 450103a8feaSLen Brown if (show_cpu) 451fc04cc67SLen Brown outp += sprintf(outp, " -"); 452103a8feaSLen Brown } else { 453c98d5d94SLen Brown if (show_pkg) { 454c98d5d94SLen Brown if (p) 455fc04cc67SLen Brown outp += sprintf(outp, "%8d", p->package_id); 456c98d5d94SLen Brown else 457fc04cc67SLen Brown outp += sprintf(outp, " -"); 458c98d5d94SLen Brown } 459c98d5d94SLen Brown if (show_core) { 460c98d5d94SLen Brown if (c) 461fc04cc67SLen Brown outp += sprintf(outp, "%8d", c->core_id); 462c98d5d94SLen Brown else 463fc04cc67SLen Brown outp += sprintf(outp, " -"); 464c98d5d94SLen Brown } 465103a8feaSLen Brown if (show_cpu) 466fc04cc67SLen Brown outp += sprintf(outp, "%8d", t->cpu_id); 467103a8feaSLen Brown } 468fc04cc67SLen Brown 469d7899447SLen Brown /* Avg_MHz */ 470fc04cc67SLen Brown if (has_aperf) 471fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 472fc04cc67SLen Brown 1.0 / units * t->aperf / interval_float); 473fc04cc67SLen Brown 474d7899447SLen Brown /* %Busy */ 475d7899447SLen Brown if (has_aperf) { 476103a8feaSLen Brown if (!skip_c0) 477fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * t->mperf/t->tsc); 478103a8feaSLen Brown else 479fc04cc67SLen Brown outp += sprintf(outp, "********"); 480103a8feaSLen Brown } 481103a8feaSLen Brown 482d7899447SLen Brown /* Bzy_MHz */ 483fc04cc67SLen Brown if (has_aperf) 484fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 485fc04cc67SLen Brown 1.0 * t->tsc / units * t->aperf / t->mperf / interval_float); 486103a8feaSLen Brown 487d7899447SLen Brown /* TSC_MHz */ 488fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 1.0 * t->tsc/units/interval_float); 489103a8feaSLen Brown 4901ed51011SLen Brown /* SMI */ 4911ed51011SLen Brown if (do_smi) 492fc04cc67SLen Brown outp += sprintf(outp, "%8d", t->smi_count); 4931ed51011SLen Brown 4948e180f3cSLen Brown /* delta */ 4958e180f3cSLen Brown if (extra_delta_offset32) 4968e180f3cSLen Brown outp += sprintf(outp, " %11llu", t->extra_delta32); 4978e180f3cSLen Brown 4988e180f3cSLen Brown /* DELTA */ 4998e180f3cSLen Brown if (extra_delta_offset64) 5008e180f3cSLen Brown outp += sprintf(outp, " %11llu", t->extra_delta64); 5012f32edf1SLen Brown /* msr */ 5022f32edf1SLen Brown if (extra_msr_offset32) 5038e180f3cSLen Brown outp += sprintf(outp, " 0x%08llx", t->extra_msr32); 5042f32edf1SLen Brown 505130ff304SLen Brown /* MSR */ 5062f32edf1SLen Brown if (extra_msr_offset64) 5072f32edf1SLen Brown outp += sprintf(outp, " 0x%016llx", t->extra_msr64); 508130ff304SLen Brown 509103a8feaSLen Brown if (do_nhm_cstates) { 510103a8feaSLen Brown if (!skip_c1) 511fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * t->c1/t->tsc); 512103a8feaSLen Brown else 513fc04cc67SLen Brown outp += sprintf(outp, "********"); 514103a8feaSLen Brown } 515c98d5d94SLen Brown 516c98d5d94SLen Brown /* print per-core data only for 1st thread in core */ 517c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 518c98d5d94SLen Brown goto done; 519c98d5d94SLen Brown 520144b44b1SLen Brown if (do_nhm_cstates && !do_slm_cstates) 521fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c3/t->tsc); 522103a8feaSLen Brown if (do_nhm_cstates) 523fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c6/t->tsc); 524103a8feaSLen Brown if (do_snb_cstates) 525fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c7/t->tsc); 526c98d5d94SLen Brown 527889facbeSLen Brown if (do_dts) 528fc04cc67SLen Brown outp += sprintf(outp, "%8d", c->core_temp_c); 529889facbeSLen Brown 530c98d5d94SLen Brown /* print per-package data only for 1st core in package */ 531c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 532c98d5d94SLen Brown goto done; 533c98d5d94SLen Brown 534889facbeSLen Brown if (do_ptm) 535fc04cc67SLen Brown outp += sprintf(outp, "%8d", p->pkg_temp_c); 536889facbeSLen Brown 537ee7e38e3SLen Brown if (do_pc2) 538fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc2/t->tsc); 539ee7e38e3SLen Brown if (do_pc3) 540fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc3/t->tsc); 541ee7e38e3SLen Brown if (do_pc6) 542fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc6/t->tsc); 543ee7e38e3SLen Brown if (do_pc7) 544fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc7/t->tsc); 545ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 546fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc8/t->tsc); 547fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc9/t->tsc); 548fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc10/t->tsc); 549ca58710fSKristen Carlson Accardi } 550889facbeSLen Brown 551889facbeSLen Brown /* 552889facbeSLen Brown * If measurement interval exceeds minimum RAPL Joule Counter range, 553889facbeSLen Brown * indicate that results are suspect by printing "**" in fraction place. 554889facbeSLen Brown */ 555fc04cc67SLen Brown if (interval_float < rapl_joule_counter_range) 556fc04cc67SLen Brown fmt8 = "%8.2f"; 557fc04cc67SLen Brown else 558fc04cc67SLen Brown fmt8 = " %6.0f**"; 559889facbeSLen Brown 5605c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 561889facbeSLen Brown if (do_rapl & RAPL_PKG) 562fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float); 563889facbeSLen Brown if (do_rapl & RAPL_CORES) 564fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float); 565889facbeSLen Brown if (do_rapl & RAPL_GFX) 566fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float); 567889facbeSLen Brown if (do_rapl & RAPL_DRAM) 568fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_dram * rapl_energy_units / interval_float); 569889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 570fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 571889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 572fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 573d7899447SLen Brown } else if (do_rapl && rapl_joules) { 5745c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 575fc04cc67SLen Brown outp += sprintf(outp, fmt8, 5765c56be9aSDirk Brandewie p->energy_pkg * rapl_energy_units); 5775c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 578fc04cc67SLen Brown outp += sprintf(outp, fmt8, 5795c56be9aSDirk Brandewie p->energy_cores * rapl_energy_units); 5805c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 581fc04cc67SLen Brown outp += sprintf(outp, fmt8, 5825c56be9aSDirk Brandewie p->energy_gfx * rapl_energy_units); 5835c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 584fc04cc67SLen Brown outp += sprintf(outp, fmt8, 5855c56be9aSDirk Brandewie p->energy_dram * rapl_energy_units); 5865c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 587fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 5885c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 589fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 590889facbeSLen Brown 591d7899447SLen Brown outp += sprintf(outp, fmt8, interval_float); 5925c56be9aSDirk Brandewie } 593c98d5d94SLen Brown done: 594c98d5d94SLen Brown outp += sprintf(outp, "\n"); 595c98d5d94SLen Brown 596c98d5d94SLen Brown return 0; 597103a8feaSLen Brown } 598103a8feaSLen Brown 599c98d5d94SLen Brown void flush_stdout() 600103a8feaSLen Brown { 601c98d5d94SLen Brown fputs(output_buffer, stdout); 602ddac0d68SLen Brown fflush(stdout); 603c98d5d94SLen Brown outp = output_buffer; 604c98d5d94SLen Brown } 605c98d5d94SLen Brown void flush_stderr() 606c98d5d94SLen Brown { 607c98d5d94SLen Brown fputs(output_buffer, stderr); 608c98d5d94SLen Brown outp = output_buffer; 609c98d5d94SLen Brown } 610c98d5d94SLen Brown void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 611c98d5d94SLen Brown { 612e23da037SLen Brown static int printed; 613103a8feaSLen Brown 614e23da037SLen Brown if (!printed || !summary_only) 615103a8feaSLen Brown print_header(); 616103a8feaSLen Brown 617c98d5d94SLen Brown if (topo.num_cpus > 1) 618c98d5d94SLen Brown format_counters(&average.threads, &average.cores, 619c98d5d94SLen Brown &average.packages); 620103a8feaSLen Brown 621e23da037SLen Brown printed = 1; 622e23da037SLen Brown 623e23da037SLen Brown if (summary_only) 624e23da037SLen Brown return; 625e23da037SLen Brown 626c98d5d94SLen Brown for_all_cpus(format_counters, t, c, p); 627103a8feaSLen Brown } 628103a8feaSLen Brown 629889facbeSLen Brown #define DELTA_WRAP32(new, old) \ 630889facbeSLen Brown if (new > old) { \ 631889facbeSLen Brown old = new - old; \ 632889facbeSLen Brown } else { \ 633889facbeSLen Brown old = 0x100000000 + new - old; \ 634889facbeSLen Brown } 635889facbeSLen Brown 636c98d5d94SLen Brown void 637c98d5d94SLen Brown delta_package(struct pkg_data *new, struct pkg_data *old) 638103a8feaSLen Brown { 639c98d5d94SLen Brown old->pc2 = new->pc2 - old->pc2; 640ee7e38e3SLen Brown if (do_pc3) 641c98d5d94SLen Brown old->pc3 = new->pc3 - old->pc3; 642ee7e38e3SLen Brown if (do_pc6) 643c98d5d94SLen Brown old->pc6 = new->pc6 - old->pc6; 644ee7e38e3SLen Brown if (do_pc7) 645c98d5d94SLen Brown old->pc7 = new->pc7 - old->pc7; 646ca58710fSKristen Carlson Accardi old->pc8 = new->pc8 - old->pc8; 647ca58710fSKristen Carlson Accardi old->pc9 = new->pc9 - old->pc9; 648ca58710fSKristen Carlson Accardi old->pc10 = new->pc10 - old->pc10; 649889facbeSLen Brown old->pkg_temp_c = new->pkg_temp_c; 650889facbeSLen Brown 651889facbeSLen Brown DELTA_WRAP32(new->energy_pkg, old->energy_pkg); 652889facbeSLen Brown DELTA_WRAP32(new->energy_cores, old->energy_cores); 653889facbeSLen Brown DELTA_WRAP32(new->energy_gfx, old->energy_gfx); 654889facbeSLen Brown DELTA_WRAP32(new->energy_dram, old->energy_dram); 655889facbeSLen Brown DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status); 656889facbeSLen Brown DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status); 657103a8feaSLen Brown } 658103a8feaSLen Brown 659c98d5d94SLen Brown void 660c98d5d94SLen Brown delta_core(struct core_data *new, struct core_data *old) 661c98d5d94SLen Brown { 662c98d5d94SLen Brown old->c3 = new->c3 - old->c3; 663c98d5d94SLen Brown old->c6 = new->c6 - old->c6; 664c98d5d94SLen Brown old->c7 = new->c7 - old->c7; 665889facbeSLen Brown old->core_temp_c = new->core_temp_c; 666103a8feaSLen Brown } 667c98d5d94SLen Brown 668c3ae331dSLen Brown /* 669c3ae331dSLen Brown * old = new - old 670c3ae331dSLen Brown */ 671c98d5d94SLen Brown void 672c98d5d94SLen Brown delta_thread(struct thread_data *new, struct thread_data *old, 673c98d5d94SLen Brown struct core_data *core_delta) 674c98d5d94SLen Brown { 675c98d5d94SLen Brown old->tsc = new->tsc - old->tsc; 676c98d5d94SLen Brown 677103a8feaSLen Brown /* check for TSC < 1 Mcycles over interval */ 678b2c95d90SJosh Triplett if (old->tsc < (1000 * 1000)) 679b2c95d90SJosh Triplett errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n" 680b2c95d90SJosh Triplett "You can disable all c-states by booting with \"idle=poll\"\n" 681b2c95d90SJosh Triplett "or just the deep ones with \"processor.max_cstate=1\""); 682103a8feaSLen Brown 683c98d5d94SLen Brown old->c1 = new->c1 - old->c1; 684c98d5d94SLen Brown 685a729617cSLen Brown if (has_aperf) { 686c98d5d94SLen Brown if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) { 687c98d5d94SLen Brown old->aperf = new->aperf - old->aperf; 688c98d5d94SLen Brown old->mperf = new->mperf - old->mperf; 689c98d5d94SLen Brown } else { 690c98d5d94SLen Brown 691103a8feaSLen Brown if (!aperf_mperf_unstable) { 692103a8feaSLen Brown fprintf(stderr, "%s: APERF or MPERF went backwards *\n", progname); 693103a8feaSLen Brown fprintf(stderr, "* Frequency results do not cover entire interval *\n"); 694103a8feaSLen Brown fprintf(stderr, "* fix this by running Linux-2.6.30 or later *\n"); 695103a8feaSLen Brown 696103a8feaSLen Brown aperf_mperf_unstable = 1; 697103a8feaSLen Brown } 698103a8feaSLen Brown /* 699103a8feaSLen Brown * mperf delta is likely a huge "positive" number 700103a8feaSLen Brown * can not use it for calculating c0 time 701103a8feaSLen Brown */ 702103a8feaSLen Brown skip_c0 = 1; 703103a8feaSLen Brown skip_c1 = 1; 704103a8feaSLen Brown } 705a729617cSLen Brown } 706103a8feaSLen Brown 707c98d5d94SLen Brown 708144b44b1SLen Brown if (use_c1_residency_msr) { 709144b44b1SLen Brown /* 710144b44b1SLen Brown * Some models have a dedicated C1 residency MSR, 711144b44b1SLen Brown * which should be more accurate than the derivation below. 712144b44b1SLen Brown */ 713144b44b1SLen Brown } else { 714103a8feaSLen Brown /* 715c3ae331dSLen Brown * As counter collection is not atomic, 716c3ae331dSLen Brown * it is possible for mperf's non-halted cycles + idle states 717103a8feaSLen Brown * to exceed TSC's all cycles: show c1 = 0% in that case. 718103a8feaSLen Brown */ 719c3ae331dSLen Brown if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc) 720c98d5d94SLen Brown old->c1 = 0; 721c98d5d94SLen Brown else { 722c98d5d94SLen Brown /* normal case, derive c1 */ 723c98d5d94SLen Brown old->c1 = old->tsc - old->mperf - core_delta->c3 724c98d5d94SLen Brown - core_delta->c6 - core_delta->c7; 725c98d5d94SLen Brown } 726144b44b1SLen Brown } 727c3ae331dSLen Brown 728c98d5d94SLen Brown if (old->mperf == 0) { 729d8af6f5fSLen Brown if (debug > 1) fprintf(stderr, "cpu%d MPERF 0!\n", old->cpu_id); 730c98d5d94SLen Brown old->mperf = 1; /* divide by 0 protection */ 731c98d5d94SLen Brown } 732103a8feaSLen Brown 7338e180f3cSLen Brown old->extra_delta32 = new->extra_delta32 - old->extra_delta32; 7348e180f3cSLen Brown old->extra_delta32 &= 0xFFFFFFFF; 7358e180f3cSLen Brown 7368e180f3cSLen Brown old->extra_delta64 = new->extra_delta64 - old->extra_delta64; 7378e180f3cSLen Brown 738103a8feaSLen Brown /* 7398e180f3cSLen Brown * Extra MSR is just a snapshot, simply copy latest w/o subtracting 740103a8feaSLen Brown */ 7412f32edf1SLen Brown old->extra_msr32 = new->extra_msr32; 7422f32edf1SLen Brown old->extra_msr64 = new->extra_msr64; 7431ed51011SLen Brown 7441ed51011SLen Brown if (do_smi) 7451ed51011SLen Brown old->smi_count = new->smi_count - old->smi_count; 746103a8feaSLen Brown } 747c98d5d94SLen Brown 748c98d5d94SLen Brown int delta_cpu(struct thread_data *t, struct core_data *c, 749c98d5d94SLen Brown struct pkg_data *p, struct thread_data *t2, 750c98d5d94SLen Brown struct core_data *c2, struct pkg_data *p2) 751c98d5d94SLen Brown { 752c98d5d94SLen Brown /* calculate core delta only for 1st thread in core */ 753c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE) 754c98d5d94SLen Brown delta_core(c, c2); 755c98d5d94SLen Brown 756c98d5d94SLen Brown /* always calculate thread delta */ 757c98d5d94SLen Brown delta_thread(t, t2, c2); /* c2 is core delta */ 758c98d5d94SLen Brown 759c98d5d94SLen Brown /* calculate package delta only for 1st core in package */ 760c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE) 761c98d5d94SLen Brown delta_package(p, p2); 762c98d5d94SLen Brown 763103a8feaSLen Brown return 0; 764103a8feaSLen Brown } 765103a8feaSLen Brown 766c98d5d94SLen Brown void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 767103a8feaSLen Brown { 768c98d5d94SLen Brown t->tsc = 0; 769c98d5d94SLen Brown t->aperf = 0; 770c98d5d94SLen Brown t->mperf = 0; 771c98d5d94SLen Brown t->c1 = 0; 772103a8feaSLen Brown 7731ed51011SLen Brown t->smi_count = 0; 7748e180f3cSLen Brown t->extra_delta32 = 0; 7758e180f3cSLen Brown t->extra_delta64 = 0; 7768e180f3cSLen Brown 777c98d5d94SLen Brown /* tells format_counters to dump all fields from this set */ 778c98d5d94SLen Brown t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE; 779c98d5d94SLen Brown 780c98d5d94SLen Brown c->c3 = 0; 781c98d5d94SLen Brown c->c6 = 0; 782c98d5d94SLen Brown c->c7 = 0; 783889facbeSLen Brown c->core_temp_c = 0; 784c98d5d94SLen Brown 785c98d5d94SLen Brown p->pc2 = 0; 786ee7e38e3SLen Brown if (do_pc3) 787c98d5d94SLen Brown p->pc3 = 0; 788ee7e38e3SLen Brown if (do_pc6) 789c98d5d94SLen Brown p->pc6 = 0; 790ee7e38e3SLen Brown if (do_pc7) 791c98d5d94SLen Brown p->pc7 = 0; 792ca58710fSKristen Carlson Accardi p->pc8 = 0; 793ca58710fSKristen Carlson Accardi p->pc9 = 0; 794ca58710fSKristen Carlson Accardi p->pc10 = 0; 795889facbeSLen Brown 796889facbeSLen Brown p->energy_pkg = 0; 797889facbeSLen Brown p->energy_dram = 0; 798889facbeSLen Brown p->energy_cores = 0; 799889facbeSLen Brown p->energy_gfx = 0; 800889facbeSLen Brown p->rapl_pkg_perf_status = 0; 801889facbeSLen Brown p->rapl_dram_perf_status = 0; 802889facbeSLen Brown p->pkg_temp_c = 0; 803103a8feaSLen Brown } 804c98d5d94SLen Brown int sum_counters(struct thread_data *t, struct core_data *c, 805c98d5d94SLen Brown struct pkg_data *p) 806103a8feaSLen Brown { 807c98d5d94SLen Brown average.threads.tsc += t->tsc; 808c98d5d94SLen Brown average.threads.aperf += t->aperf; 809c98d5d94SLen Brown average.threads.mperf += t->mperf; 810c98d5d94SLen Brown average.threads.c1 += t->c1; 81115aaa346SLen Brown 8128e180f3cSLen Brown average.threads.extra_delta32 += t->extra_delta32; 8138e180f3cSLen Brown average.threads.extra_delta64 += t->extra_delta64; 8148e180f3cSLen Brown 815c98d5d94SLen Brown /* sum per-core values only for 1st thread in core */ 816c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 817c98d5d94SLen Brown return 0; 818c98d5d94SLen Brown 819c98d5d94SLen Brown average.cores.c3 += c->c3; 820c98d5d94SLen Brown average.cores.c6 += c->c6; 821c98d5d94SLen Brown average.cores.c7 += c->c7; 822c98d5d94SLen Brown 823889facbeSLen Brown average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c); 824889facbeSLen Brown 825c98d5d94SLen Brown /* sum per-pkg values only for 1st core in pkg */ 826c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 827c98d5d94SLen Brown return 0; 828c98d5d94SLen Brown 829c98d5d94SLen Brown average.packages.pc2 += p->pc2; 830ee7e38e3SLen Brown if (do_pc3) 831c98d5d94SLen Brown average.packages.pc3 += p->pc3; 832ee7e38e3SLen Brown if (do_pc6) 833c98d5d94SLen Brown average.packages.pc6 += p->pc6; 834ee7e38e3SLen Brown if (do_pc7) 835c98d5d94SLen Brown average.packages.pc7 += p->pc7; 836ca58710fSKristen Carlson Accardi average.packages.pc8 += p->pc8; 837ca58710fSKristen Carlson Accardi average.packages.pc9 += p->pc9; 838ca58710fSKristen Carlson Accardi average.packages.pc10 += p->pc10; 839c98d5d94SLen Brown 840889facbeSLen Brown average.packages.energy_pkg += p->energy_pkg; 841889facbeSLen Brown average.packages.energy_dram += p->energy_dram; 842889facbeSLen Brown average.packages.energy_cores += p->energy_cores; 843889facbeSLen Brown average.packages.energy_gfx += p->energy_gfx; 844889facbeSLen Brown 845889facbeSLen Brown average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c); 846889facbeSLen Brown 847889facbeSLen Brown average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status; 848889facbeSLen Brown average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status; 849c98d5d94SLen Brown return 0; 850c98d5d94SLen Brown } 851c98d5d94SLen Brown /* 852c98d5d94SLen Brown * sum the counters for all cpus in the system 853c98d5d94SLen Brown * compute the weighted average 854c98d5d94SLen Brown */ 855c98d5d94SLen Brown void compute_average(struct thread_data *t, struct core_data *c, 856c98d5d94SLen Brown struct pkg_data *p) 857c98d5d94SLen Brown { 858c98d5d94SLen Brown clear_counters(&average.threads, &average.cores, &average.packages); 859c98d5d94SLen Brown 860c98d5d94SLen Brown for_all_cpus(sum_counters, t, c, p); 861c98d5d94SLen Brown 862c98d5d94SLen Brown average.threads.tsc /= topo.num_cpus; 863c98d5d94SLen Brown average.threads.aperf /= topo.num_cpus; 864c98d5d94SLen Brown average.threads.mperf /= topo.num_cpus; 865c98d5d94SLen Brown average.threads.c1 /= topo.num_cpus; 866c98d5d94SLen Brown 8678e180f3cSLen Brown average.threads.extra_delta32 /= topo.num_cpus; 8688e180f3cSLen Brown average.threads.extra_delta32 &= 0xFFFFFFFF; 8698e180f3cSLen Brown 8708e180f3cSLen Brown average.threads.extra_delta64 /= topo.num_cpus; 8718e180f3cSLen Brown 872c98d5d94SLen Brown average.cores.c3 /= topo.num_cores; 873c98d5d94SLen Brown average.cores.c6 /= topo.num_cores; 874c98d5d94SLen Brown average.cores.c7 /= topo.num_cores; 875c98d5d94SLen Brown 876c98d5d94SLen Brown average.packages.pc2 /= topo.num_packages; 877ee7e38e3SLen Brown if (do_pc3) 878c98d5d94SLen Brown average.packages.pc3 /= topo.num_packages; 879ee7e38e3SLen Brown if (do_pc6) 880c98d5d94SLen Brown average.packages.pc6 /= topo.num_packages; 881ee7e38e3SLen Brown if (do_pc7) 882c98d5d94SLen Brown average.packages.pc7 /= topo.num_packages; 883ca58710fSKristen Carlson Accardi 884ca58710fSKristen Carlson Accardi average.packages.pc8 /= topo.num_packages; 885ca58710fSKristen Carlson Accardi average.packages.pc9 /= topo.num_packages; 886ca58710fSKristen Carlson Accardi average.packages.pc10 /= topo.num_packages; 887c98d5d94SLen Brown } 888c98d5d94SLen Brown 889c98d5d94SLen Brown static unsigned long long rdtsc(void) 890c98d5d94SLen Brown { 891c98d5d94SLen Brown unsigned int low, high; 892c98d5d94SLen Brown 893c98d5d94SLen Brown asm volatile("rdtsc" : "=a" (low), "=d" (high)); 894c98d5d94SLen Brown 895c98d5d94SLen Brown return low | ((unsigned long long)high) << 32; 896c98d5d94SLen Brown } 897c98d5d94SLen Brown 898c98d5d94SLen Brown 899c98d5d94SLen Brown /* 900c98d5d94SLen Brown * get_counters(...) 901c98d5d94SLen Brown * migrate to cpu 902c98d5d94SLen Brown * acquire and record local counters for that cpu 903c98d5d94SLen Brown */ 904c98d5d94SLen Brown int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 905c98d5d94SLen Brown { 906c98d5d94SLen Brown int cpu = t->cpu_id; 907889facbeSLen Brown unsigned long long msr; 908c98d5d94SLen Brown 909e52966c0SLen Brown if (cpu_migrate(cpu)) { 910e52966c0SLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 91115aaa346SLen Brown return -1; 912e52966c0SLen Brown } 91315aaa346SLen Brown 914c98d5d94SLen Brown t->tsc = rdtsc(); /* we are running on local CPU of interest */ 91515aaa346SLen Brown 91615aaa346SLen Brown if (has_aperf) { 9179c63a650SLen Brown if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 918c98d5d94SLen Brown return -3; 9199c63a650SLen Brown if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf)) 920c98d5d94SLen Brown return -4; 92188c3281fSLen Brown } 92288c3281fSLen Brown 9231ed51011SLen Brown if (do_smi) { 9241ed51011SLen Brown if (get_msr(cpu, MSR_SMI_COUNT, &msr)) 9251ed51011SLen Brown return -5; 9261ed51011SLen Brown t->smi_count = msr & 0xFFFFFFFF; 9271ed51011SLen Brown } 9288e180f3cSLen Brown if (extra_delta_offset32) { 929889facbeSLen Brown if (get_msr(cpu, extra_delta_offset32, &msr)) 9302f32edf1SLen Brown return -5; 931889facbeSLen Brown t->extra_delta32 = msr & 0xFFFFFFFF; 9328e180f3cSLen Brown } 9338e180f3cSLen Brown 9348e180f3cSLen Brown if (extra_delta_offset64) 9358e180f3cSLen Brown if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64)) 9368e180f3cSLen Brown return -5; 9378e180f3cSLen Brown 9388e180f3cSLen Brown if (extra_msr_offset32) { 939889facbeSLen Brown if (get_msr(cpu, extra_msr_offset32, &msr)) 9408e180f3cSLen Brown return -5; 941889facbeSLen Brown t->extra_msr32 = msr & 0xFFFFFFFF; 9428e180f3cSLen Brown } 9432f32edf1SLen Brown 9442f32edf1SLen Brown if (extra_msr_offset64) 9452f32edf1SLen Brown if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64)) 946c98d5d94SLen Brown return -5; 947c98d5d94SLen Brown 948144b44b1SLen Brown if (use_c1_residency_msr) { 949144b44b1SLen Brown if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1)) 950144b44b1SLen Brown return -6; 951144b44b1SLen Brown } 952144b44b1SLen Brown 953c98d5d94SLen Brown /* collect core counters only for 1st thread in core */ 954c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 955c98d5d94SLen Brown return 0; 956c98d5d94SLen Brown 957144b44b1SLen Brown if (do_nhm_cstates && !do_slm_cstates) { 958c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3)) 959c98d5d94SLen Brown return -6; 960144b44b1SLen Brown } 961144b44b1SLen Brown 962144b44b1SLen Brown if (do_nhm_cstates) { 963c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6)) 964c98d5d94SLen Brown return -7; 965103a8feaSLen Brown } 96615aaa346SLen Brown 96715aaa346SLen Brown if (do_snb_cstates) 968c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7)) 969c98d5d94SLen Brown return -8; 970c98d5d94SLen Brown 971889facbeSLen Brown if (do_dts) { 972889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 973889facbeSLen Brown return -9; 974889facbeSLen Brown c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 975889facbeSLen Brown } 976889facbeSLen Brown 977889facbeSLen Brown 978c98d5d94SLen Brown /* collect package counters only for 1st core in package */ 979c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 980c98d5d94SLen Brown return 0; 98115aaa346SLen Brown 982ee7e38e3SLen Brown if (do_pc3) 983c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3)) 984c98d5d94SLen Brown return -9; 985ee7e38e3SLen Brown if (do_pc6) 986c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6)) 987c98d5d94SLen Brown return -10; 988ee7e38e3SLen Brown if (do_pc2) 989c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2)) 990c98d5d94SLen Brown return -11; 991ee7e38e3SLen Brown if (do_pc7) 992c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7)) 993c98d5d94SLen Brown return -12; 994ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 995ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8)) 996ca58710fSKristen Carlson Accardi return -13; 997ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9)) 998ca58710fSKristen Carlson Accardi return -13; 999ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10)) 1000ca58710fSKristen Carlson Accardi return -13; 1001ca58710fSKristen Carlson Accardi } 1002889facbeSLen Brown if (do_rapl & RAPL_PKG) { 1003889facbeSLen Brown if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr)) 1004889facbeSLen Brown return -13; 1005889facbeSLen Brown p->energy_pkg = msr & 0xFFFFFFFF; 1006889facbeSLen Brown } 1007889facbeSLen Brown if (do_rapl & RAPL_CORES) { 1008889facbeSLen Brown if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr)) 1009889facbeSLen Brown return -14; 1010889facbeSLen Brown p->energy_cores = msr & 0xFFFFFFFF; 1011889facbeSLen Brown } 1012889facbeSLen Brown if (do_rapl & RAPL_DRAM) { 1013889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr)) 1014889facbeSLen Brown return -15; 1015889facbeSLen Brown p->energy_dram = msr & 0xFFFFFFFF; 1016889facbeSLen Brown } 1017889facbeSLen Brown if (do_rapl & RAPL_GFX) { 1018889facbeSLen Brown if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr)) 1019889facbeSLen Brown return -16; 1020889facbeSLen Brown p->energy_gfx = msr & 0xFFFFFFFF; 1021889facbeSLen Brown } 1022889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) { 1023889facbeSLen Brown if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr)) 1024889facbeSLen Brown return -16; 1025889facbeSLen Brown p->rapl_pkg_perf_status = msr & 0xFFFFFFFF; 1026889facbeSLen Brown } 1027889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) { 1028889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr)) 1029889facbeSLen Brown return -16; 1030889facbeSLen Brown p->rapl_dram_perf_status = msr & 0xFFFFFFFF; 1031889facbeSLen Brown } 1032889facbeSLen Brown if (do_ptm) { 1033889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 1034889facbeSLen Brown return -17; 1035889facbeSLen Brown p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1036889facbeSLen Brown } 103715aaa346SLen Brown return 0; 1038103a8feaSLen Brown } 1039103a8feaSLen Brown 1040ee7e38e3SLen Brown /* 1041ee7e38e3SLen Brown * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit: 1042ee7e38e3SLen Brown * If you change the values, note they are used both in comparisons 1043ee7e38e3SLen Brown * (>= PCL__7) and to index pkg_cstate_limit_strings[]. 1044ee7e38e3SLen Brown */ 1045ee7e38e3SLen Brown 1046ee7e38e3SLen Brown #define PCLUKN 0 /* Unknown */ 1047ee7e38e3SLen Brown #define PCLRSV 1 /* Reserved */ 1048ee7e38e3SLen Brown #define PCL__0 2 /* PC0 */ 1049ee7e38e3SLen Brown #define PCL__1 3 /* PC1 */ 1050ee7e38e3SLen Brown #define PCL__2 4 /* PC2 */ 1051ee7e38e3SLen Brown #define PCL__3 5 /* PC3 */ 1052ee7e38e3SLen Brown #define PCL__4 6 /* PC4 */ 1053ee7e38e3SLen Brown #define PCL__6 7 /* PC6 */ 1054ee7e38e3SLen Brown #define PCL_6N 8 /* PC6 No Retention */ 1055ee7e38e3SLen Brown #define PCL_6R 9 /* PC6 Retention */ 1056ee7e38e3SLen Brown #define PCL__7 10 /* PC7 */ 1057ee7e38e3SLen Brown #define PCL_7S 11 /* PC7 Shrink */ 1058ee7e38e3SLen Brown #define PCLUNL 12 /* Unlimited */ 1059ee7e38e3SLen Brown 1060ee7e38e3SLen Brown int pkg_cstate_limit = PCLUKN; 1061ee7e38e3SLen Brown char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2", 1062ee7e38e3SLen Brown "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "unlimited"}; 1063ee7e38e3SLen Brown 1064ee7e38e3SLen Brown int nhm_pkg_cstate_limits[8] = {PCL__0, PCL__1, PCL__3, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLUNL}; 1065ee7e38e3SLen Brown int snb_pkg_cstate_limits[8] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCL__7, PCL_7S, PCLRSV, PCLUNL}; 1066ee7e38e3SLen Brown int hsw_pkg_cstate_limits[8] = {PCL__0, PCL__2, PCL__3, PCL__6, PCL__7, PCL_7S, PCLRSV, PCLUNL}; 1067ee7e38e3SLen Brown int slv_pkg_cstate_limits[8] = {PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV, PCL__6, PCL__7}; 1068ee7e38e3SLen Brown int amt_pkg_cstate_limits[8] = {PCL__0, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7}; 1069ee7e38e3SLen Brown int phi_pkg_cstate_limits[8] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL}; 1070ee7e38e3SLen Brown 1071c98d5d94SLen Brown void print_verbose_header(void) 1072103a8feaSLen Brown { 1073103a8feaSLen Brown unsigned long long msr; 1074103a8feaSLen Brown unsigned int ratio; 1075103a8feaSLen Brown 1076d7899447SLen Brown if (!do_nhm_platform_info) 1077103a8feaSLen Brown return; 1078103a8feaSLen Brown 10799c63a650SLen Brown get_msr(0, MSR_NHM_PLATFORM_INFO, &msr); 1080103a8feaSLen Brown 1081889facbeSLen Brown fprintf(stderr, "cpu0: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", msr); 10826574a5d5SLen Brown 1083103a8feaSLen Brown ratio = (msr >> 40) & 0xFF; 1084103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency\n", 1085103a8feaSLen Brown ratio, bclk, ratio * bclk); 1086103a8feaSLen Brown 1087103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1088103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz TSC frequency\n", 1089103a8feaSLen Brown ratio, bclk, ratio * bclk); 1090103a8feaSLen Brown 109167920418SLen Brown get_msr(0, MSR_IA32_POWER_CTL, &msr); 1092144b44b1SLen Brown fprintf(stderr, "cpu0: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n", 109367920418SLen Brown msr, msr & 0x2 ? "EN" : "DIS"); 109467920418SLen Brown 10956574a5d5SLen Brown if (!do_ivt_turbo_ratio_limit) 10966574a5d5SLen Brown goto print_nhm_turbo_ratio_limits; 10976574a5d5SLen Brown 10986574a5d5SLen Brown get_msr(0, MSR_IVT_TURBO_RATIO_LIMIT, &msr); 10996574a5d5SLen Brown 1100889facbeSLen Brown fprintf(stderr, "cpu0: MSR_IVT_TURBO_RATIO_LIMIT: 0x%08llx\n", msr); 11016574a5d5SLen Brown 11026574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 11036574a5d5SLen Brown if (ratio) 11046574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 16 active cores\n", 11056574a5d5SLen Brown ratio, bclk, ratio * bclk); 11066574a5d5SLen Brown 11076574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 11086574a5d5SLen Brown if (ratio) 11096574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 15 active cores\n", 11106574a5d5SLen Brown ratio, bclk, ratio * bclk); 11116574a5d5SLen Brown 11126574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 11136574a5d5SLen Brown if (ratio) 11146574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 14 active cores\n", 11156574a5d5SLen Brown ratio, bclk, ratio * bclk); 11166574a5d5SLen Brown 11176574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 11186574a5d5SLen Brown if (ratio) 11196574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 13 active cores\n", 11206574a5d5SLen Brown ratio, bclk, ratio * bclk); 11216574a5d5SLen Brown 11226574a5d5SLen Brown ratio = (msr >> 24) & 0xFF; 11236574a5d5SLen Brown if (ratio) 11246574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 12 active cores\n", 11256574a5d5SLen Brown ratio, bclk, ratio * bclk); 11266574a5d5SLen Brown 11276574a5d5SLen Brown ratio = (msr >> 16) & 0xFF; 11286574a5d5SLen Brown if (ratio) 11296574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 11 active cores\n", 11306574a5d5SLen Brown ratio, bclk, ratio * bclk); 11316574a5d5SLen Brown 11326574a5d5SLen Brown ratio = (msr >> 8) & 0xFF; 11336574a5d5SLen Brown if (ratio) 11346574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 10 active cores\n", 11356574a5d5SLen Brown ratio, bclk, ratio * bclk); 11366574a5d5SLen Brown 11376574a5d5SLen Brown ratio = (msr >> 0) & 0xFF; 11386574a5d5SLen Brown if (ratio) 11396574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 9 active cores\n", 11406574a5d5SLen Brown ratio, bclk, ratio * bclk); 11416574a5d5SLen Brown 11426574a5d5SLen Brown print_nhm_turbo_ratio_limits: 1143889facbeSLen Brown get_msr(0, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 1144889facbeSLen Brown 1145889facbeSLen Brown #define SNB_C1_AUTO_UNDEMOTE (1UL << 27) 1146889facbeSLen Brown #define SNB_C3_AUTO_UNDEMOTE (1UL << 28) 1147889facbeSLen Brown 1148889facbeSLen Brown fprintf(stderr, "cpu0: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", msr); 1149889facbeSLen Brown 1150ee7e38e3SLen Brown fprintf(stderr, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n", 1151889facbeSLen Brown (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "", 1152889facbeSLen Brown (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "", 1153889facbeSLen Brown (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "", 1154889facbeSLen Brown (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "", 1155889facbeSLen Brown (msr & (1 << 15)) ? "" : "UN", 1156ee7e38e3SLen Brown (unsigned int)msr & 7, 1157ee7e38e3SLen Brown pkg_cstate_limit_strings[pkg_cstate_limit]); 1158103a8feaSLen Brown 1159d7899447SLen Brown if (!do_nhm_turbo_ratio_limit) 1160103a8feaSLen Brown return; 1161103a8feaSLen Brown 11629c63a650SLen Brown get_msr(0, MSR_NHM_TURBO_RATIO_LIMIT, &msr); 1163103a8feaSLen Brown 1164889facbeSLen Brown fprintf(stderr, "cpu0: MSR_NHM_TURBO_RATIO_LIMIT: 0x%08llx\n", msr); 11656574a5d5SLen Brown 11666574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 11676574a5d5SLen Brown if (ratio) 11686574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 8 active cores\n", 11696574a5d5SLen Brown ratio, bclk, ratio * bclk); 11706574a5d5SLen Brown 11716574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 11726574a5d5SLen Brown if (ratio) 11736574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 7 active cores\n", 11746574a5d5SLen Brown ratio, bclk, ratio * bclk); 11756574a5d5SLen Brown 11766574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 11776574a5d5SLen Brown if (ratio) 11786574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 6 active cores\n", 11796574a5d5SLen Brown ratio, bclk, ratio * bclk); 11806574a5d5SLen Brown 11816574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 11826574a5d5SLen Brown if (ratio) 11836574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 5 active cores\n", 11846574a5d5SLen Brown ratio, bclk, ratio * bclk); 11856574a5d5SLen Brown 1186103a8feaSLen Brown ratio = (msr >> 24) & 0xFF; 1187103a8feaSLen Brown if (ratio) 1188103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 4 active cores\n", 1189103a8feaSLen Brown ratio, bclk, ratio * bclk); 1190103a8feaSLen Brown 1191103a8feaSLen Brown ratio = (msr >> 16) & 0xFF; 1192103a8feaSLen Brown if (ratio) 1193103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 3 active cores\n", 1194103a8feaSLen Brown ratio, bclk, ratio * bclk); 1195103a8feaSLen Brown 1196103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1197103a8feaSLen Brown if (ratio) 1198103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 2 active cores\n", 1199103a8feaSLen Brown ratio, bclk, ratio * bclk); 1200103a8feaSLen Brown 1201103a8feaSLen Brown ratio = (msr >> 0) & 0xFF; 1202103a8feaSLen Brown if (ratio) 1203103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 1 active cores\n", 1204103a8feaSLen Brown ratio, bclk, ratio * bclk); 12053a9a941dSLen Brown 1206103a8feaSLen Brown } 1207103a8feaSLen Brown 1208c98d5d94SLen Brown void free_all_buffers(void) 1209103a8feaSLen Brown { 1210c98d5d94SLen Brown CPU_FREE(cpu_present_set); 1211c98d5d94SLen Brown cpu_present_set = NULL; 1212c98d5d94SLen Brown cpu_present_set = 0; 1213103a8feaSLen Brown 1214c98d5d94SLen Brown CPU_FREE(cpu_affinity_set); 1215c98d5d94SLen Brown cpu_affinity_set = NULL; 1216c98d5d94SLen Brown cpu_affinity_setsize = 0; 1217103a8feaSLen Brown 1218c98d5d94SLen Brown free(thread_even); 1219c98d5d94SLen Brown free(core_even); 1220c98d5d94SLen Brown free(package_even); 1221103a8feaSLen Brown 1222c98d5d94SLen Brown thread_even = NULL; 1223c98d5d94SLen Brown core_even = NULL; 1224c98d5d94SLen Brown package_even = NULL; 1225103a8feaSLen Brown 1226c98d5d94SLen Brown free(thread_odd); 1227c98d5d94SLen Brown free(core_odd); 1228c98d5d94SLen Brown free(package_odd); 1229103a8feaSLen Brown 1230c98d5d94SLen Brown thread_odd = NULL; 1231c98d5d94SLen Brown core_odd = NULL; 1232c98d5d94SLen Brown package_odd = NULL; 1233103a8feaSLen Brown 1234c98d5d94SLen Brown free(output_buffer); 1235c98d5d94SLen Brown output_buffer = NULL; 1236c98d5d94SLen Brown outp = NULL; 1237103a8feaSLen Brown } 1238103a8feaSLen Brown 1239103a8feaSLen Brown /* 124057a42a34SJosh Triplett * Open a file, and exit on failure 124157a42a34SJosh Triplett */ 124257a42a34SJosh Triplett FILE *fopen_or_die(const char *path, const char *mode) 124357a42a34SJosh Triplett { 124457a42a34SJosh Triplett FILE *filep = fopen(path, "r"); 1245b2c95d90SJosh Triplett if (!filep) 1246b2c95d90SJosh Triplett err(1, "%s: open failed", path); 124757a42a34SJosh Triplett return filep; 124857a42a34SJosh Triplett } 124957a42a34SJosh Triplett 125057a42a34SJosh Triplett /* 125195aebc44SJosh Triplett * Parse a file containing a single int. 125295aebc44SJosh Triplett */ 125395aebc44SJosh Triplett int parse_int_file(const char *fmt, ...) 125495aebc44SJosh Triplett { 125595aebc44SJosh Triplett va_list args; 125695aebc44SJosh Triplett char path[PATH_MAX]; 125795aebc44SJosh Triplett FILE *filep; 125895aebc44SJosh Triplett int value; 125995aebc44SJosh Triplett 126095aebc44SJosh Triplett va_start(args, fmt); 126195aebc44SJosh Triplett vsnprintf(path, sizeof(path), fmt, args); 126295aebc44SJosh Triplett va_end(args); 126357a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1264b2c95d90SJosh Triplett if (fscanf(filep, "%d", &value) != 1) 1265b2c95d90SJosh Triplett err(1, "%s: failed to parse number from file", path); 126695aebc44SJosh Triplett fclose(filep); 126795aebc44SJosh Triplett return value; 126895aebc44SJosh Triplett } 126995aebc44SJosh Triplett 127095aebc44SJosh Triplett /* 1271c98d5d94SLen Brown * cpu_is_first_sibling_in_core(cpu) 1272c98d5d94SLen Brown * return 1 if given CPU is 1st HT sibling in the core 1273103a8feaSLen Brown */ 1274c98d5d94SLen Brown int cpu_is_first_sibling_in_core(int cpu) 1275103a8feaSLen Brown { 127695aebc44SJosh Triplett return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); 1277c98d5d94SLen Brown } 1278103a8feaSLen Brown 1279c98d5d94SLen Brown /* 1280c98d5d94SLen Brown * cpu_is_first_core_in_package(cpu) 1281c98d5d94SLen Brown * return 1 if given CPU is 1st core in package 1282c98d5d94SLen Brown */ 1283c98d5d94SLen Brown int cpu_is_first_core_in_package(int cpu) 1284c98d5d94SLen Brown { 128595aebc44SJosh Triplett return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu); 1286103a8feaSLen Brown } 1287103a8feaSLen Brown 1288103a8feaSLen Brown int get_physical_package_id(int cpu) 1289103a8feaSLen Brown { 129095aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu); 1291103a8feaSLen Brown } 1292103a8feaSLen Brown 1293103a8feaSLen Brown int get_core_id(int cpu) 1294103a8feaSLen Brown { 129595aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu); 1296103a8feaSLen Brown } 1297103a8feaSLen Brown 1298c98d5d94SLen Brown int get_num_ht_siblings(int cpu) 1299c98d5d94SLen Brown { 1300c98d5d94SLen Brown char path[80]; 1301c98d5d94SLen Brown FILE *filep; 1302c98d5d94SLen Brown int sib1, sib2; 1303c98d5d94SLen Brown int matches; 1304c98d5d94SLen Brown char character; 1305c98d5d94SLen Brown 1306c98d5d94SLen Brown sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); 130757a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1308103a8feaSLen Brown /* 1309c98d5d94SLen Brown * file format: 1310c98d5d94SLen Brown * if a pair of number with a character between: 2 siblings (eg. 1-2, or 1,4) 1311c98d5d94SLen Brown * otherwinse 1 sibling (self). 1312c98d5d94SLen Brown */ 1313c98d5d94SLen Brown matches = fscanf(filep, "%d%c%d\n", &sib1, &character, &sib2); 1314c98d5d94SLen Brown 1315c98d5d94SLen Brown fclose(filep); 1316c98d5d94SLen Brown 1317c98d5d94SLen Brown if (matches == 3) 1318c98d5d94SLen Brown return 2; 1319c98d5d94SLen Brown else 1320c98d5d94SLen Brown return 1; 1321c98d5d94SLen Brown } 1322c98d5d94SLen Brown 1323c98d5d94SLen Brown /* 1324c98d5d94SLen Brown * run func(thread, core, package) in topology order 1325c98d5d94SLen Brown * skip non-present cpus 1326103a8feaSLen Brown */ 1327103a8feaSLen Brown 1328c98d5d94SLen Brown int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *, 1329c98d5d94SLen Brown struct pkg_data *, struct thread_data *, struct core_data *, 1330c98d5d94SLen Brown struct pkg_data *), struct thread_data *thread_base, 1331c98d5d94SLen Brown struct core_data *core_base, struct pkg_data *pkg_base, 1332c98d5d94SLen Brown struct thread_data *thread_base2, struct core_data *core_base2, 1333c98d5d94SLen Brown struct pkg_data *pkg_base2) 1334c98d5d94SLen Brown { 1335c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 1336c98d5d94SLen Brown 1337c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 1338c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 1339c98d5d94SLen Brown for (thread_no = 0; thread_no < 1340c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 1341c98d5d94SLen Brown struct thread_data *t, *t2; 1342c98d5d94SLen Brown struct core_data *c, *c2; 1343c98d5d94SLen Brown struct pkg_data *p, *p2; 1344c98d5d94SLen Brown 1345c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 1346c98d5d94SLen Brown 1347c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 1348c98d5d94SLen Brown continue; 1349c98d5d94SLen Brown 1350c98d5d94SLen Brown t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no); 1351c98d5d94SLen Brown 1352c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 1353c98d5d94SLen Brown c2 = GET_CORE(core_base2, core_no, pkg_no); 1354c98d5d94SLen Brown 1355c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 1356c98d5d94SLen Brown p2 = GET_PKG(pkg_base2, pkg_no); 1357c98d5d94SLen Brown 1358c98d5d94SLen Brown retval = func(t, c, p, t2, c2, p2); 1359c98d5d94SLen Brown if (retval) 1360c98d5d94SLen Brown return retval; 1361c98d5d94SLen Brown } 1362c98d5d94SLen Brown } 1363c98d5d94SLen Brown } 1364c98d5d94SLen Brown return 0; 1365c98d5d94SLen Brown } 1366c98d5d94SLen Brown 1367c98d5d94SLen Brown /* 1368c98d5d94SLen Brown * run func(cpu) on every cpu in /proc/stat 1369c98d5d94SLen Brown * return max_cpu number 1370c98d5d94SLen Brown */ 1371c98d5d94SLen Brown int for_all_proc_cpus(int (func)(int)) 1372103a8feaSLen Brown { 1373103a8feaSLen Brown FILE *fp; 1374c98d5d94SLen Brown int cpu_num; 1375103a8feaSLen Brown int retval; 1376103a8feaSLen Brown 137757a42a34SJosh Triplett fp = fopen_or_die(proc_stat, "r"); 1378103a8feaSLen Brown 1379103a8feaSLen Brown retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n"); 1380b2c95d90SJosh Triplett if (retval != 0) 1381b2c95d90SJosh Triplett err(1, "%s: failed to parse format", proc_stat); 1382103a8feaSLen Brown 1383c98d5d94SLen Brown while (1) { 1384c98d5d94SLen Brown retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num); 1385103a8feaSLen Brown if (retval != 1) 1386103a8feaSLen Brown break; 1387103a8feaSLen Brown 1388c98d5d94SLen Brown retval = func(cpu_num); 1389c98d5d94SLen Brown if (retval) { 1390c98d5d94SLen Brown fclose(fp); 1391c98d5d94SLen Brown return(retval); 1392c98d5d94SLen Brown } 1393103a8feaSLen Brown } 1394103a8feaSLen Brown fclose(fp); 1395c98d5d94SLen Brown return 0; 1396103a8feaSLen Brown } 1397103a8feaSLen Brown 1398103a8feaSLen Brown void re_initialize(void) 1399103a8feaSLen Brown { 1400c98d5d94SLen Brown free_all_buffers(); 1401c98d5d94SLen Brown setup_all_buffers(); 1402c98d5d94SLen Brown printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus); 1403103a8feaSLen Brown } 1404103a8feaSLen Brown 1405c98d5d94SLen Brown 1406103a8feaSLen Brown /* 1407c98d5d94SLen Brown * count_cpus() 1408c98d5d94SLen Brown * remember the last one seen, it will be the max 1409103a8feaSLen Brown */ 1410c98d5d94SLen Brown int count_cpus(int cpu) 1411103a8feaSLen Brown { 1412c98d5d94SLen Brown if (topo.max_cpu_num < cpu) 1413c98d5d94SLen Brown topo.max_cpu_num = cpu; 1414103a8feaSLen Brown 1415c98d5d94SLen Brown topo.num_cpus += 1; 1416c98d5d94SLen Brown return 0; 1417103a8feaSLen Brown } 1418c98d5d94SLen Brown int mark_cpu_present(int cpu) 1419c98d5d94SLen Brown { 1420c98d5d94SLen Brown CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set); 142115aaa346SLen Brown return 0; 1422103a8feaSLen Brown } 1423103a8feaSLen Brown 1424103a8feaSLen Brown void turbostat_loop() 1425103a8feaSLen Brown { 1426c98d5d94SLen Brown int retval; 1427e52966c0SLen Brown int restarted = 0; 1428c98d5d94SLen Brown 1429103a8feaSLen Brown restart: 1430e52966c0SLen Brown restarted++; 1431e52966c0SLen Brown 1432c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 1433d91bb17cSLen Brown if (retval < -1) { 1434d91bb17cSLen Brown exit(retval); 1435d91bb17cSLen Brown } else if (retval == -1) { 1436e52966c0SLen Brown if (restarted > 1) { 1437e52966c0SLen Brown exit(retval); 1438e52966c0SLen Brown } 1439c98d5d94SLen Brown re_initialize(); 1440c98d5d94SLen Brown goto restart; 1441c98d5d94SLen Brown } 1442e52966c0SLen Brown restarted = 0; 1443103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 1444103a8feaSLen Brown 1445103a8feaSLen Brown while (1) { 1446c98d5d94SLen Brown if (for_all_proc_cpus(cpu_is_not_present)) { 1447103a8feaSLen Brown re_initialize(); 1448103a8feaSLen Brown goto restart; 1449103a8feaSLen Brown } 1450103a8feaSLen Brown sleep(interval_sec); 1451c98d5d94SLen Brown retval = for_all_cpus(get_counters, ODD_COUNTERS); 1452d91bb17cSLen Brown if (retval < -1) { 1453d91bb17cSLen Brown exit(retval); 1454d91bb17cSLen Brown } else if (retval == -1) { 145515aaa346SLen Brown re_initialize(); 145615aaa346SLen Brown goto restart; 145715aaa346SLen Brown } 1458103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 1459103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 1460c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 1461c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 1462c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 1463c98d5d94SLen Brown flush_stdout(); 146415aaa346SLen Brown sleep(interval_sec); 1465c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 1466d91bb17cSLen Brown if (retval < -1) { 1467d91bb17cSLen Brown exit(retval); 1468d91bb17cSLen Brown } else if (retval == -1) { 1469103a8feaSLen Brown re_initialize(); 1470103a8feaSLen Brown goto restart; 1471103a8feaSLen Brown } 1472103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 1473103a8feaSLen Brown timersub(&tv_even, &tv_odd, &tv_delta); 1474c98d5d94SLen Brown for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS); 1475c98d5d94SLen Brown compute_average(ODD_COUNTERS); 1476c98d5d94SLen Brown format_all_counters(ODD_COUNTERS); 1477c98d5d94SLen Brown flush_stdout(); 1478103a8feaSLen Brown } 1479103a8feaSLen Brown } 1480103a8feaSLen Brown 1481103a8feaSLen Brown void check_dev_msr() 1482103a8feaSLen Brown { 1483103a8feaSLen Brown struct stat sb; 1484103a8feaSLen Brown 1485b2c95d90SJosh Triplett if (stat("/dev/cpu/0/msr", &sb)) 1486d7899447SLen Brown err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" "); 1487103a8feaSLen Brown } 1488103a8feaSLen Brown 148998481e79SLen Brown void check_permissions() 1490103a8feaSLen Brown { 149198481e79SLen Brown struct __user_cap_header_struct cap_header_data; 149298481e79SLen Brown cap_user_header_t cap_header = &cap_header_data; 149398481e79SLen Brown struct __user_cap_data_struct cap_data_data; 149498481e79SLen Brown cap_user_data_t cap_data = &cap_data_data; 149598481e79SLen Brown extern int capget(cap_user_header_t hdrp, cap_user_data_t datap); 149698481e79SLen Brown int do_exit = 0; 149798481e79SLen Brown 149898481e79SLen Brown /* check for CAP_SYS_RAWIO */ 149998481e79SLen Brown cap_header->pid = getpid(); 150098481e79SLen Brown cap_header->version = _LINUX_CAPABILITY_VERSION; 150198481e79SLen Brown if (capget(cap_header, cap_data) < 0) 150298481e79SLen Brown err(-6, "capget(2) failed"); 150398481e79SLen Brown 150498481e79SLen Brown if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) { 150598481e79SLen Brown do_exit++; 150698481e79SLen Brown warnx("capget(CAP_SYS_RAWIO) failed," 150798481e79SLen Brown " try \"# setcap cap_sys_rawio=ep %s\"", progname); 150898481e79SLen Brown } 150998481e79SLen Brown 151098481e79SLen Brown /* test file permissions */ 151198481e79SLen Brown if (euidaccess("/dev/cpu/0/msr", R_OK)) { 151298481e79SLen Brown do_exit++; 151398481e79SLen Brown warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr"); 151498481e79SLen Brown } 151598481e79SLen Brown 151698481e79SLen Brown /* if all else fails, thell them to be root */ 151798481e79SLen Brown if (do_exit) 1518b2c95d90SJosh Triplett if (getuid() != 0) 1519d7899447SLen Brown warnx("... or simply run as root"); 152098481e79SLen Brown 152198481e79SLen Brown if (do_exit) 152298481e79SLen Brown exit(-6); 1523103a8feaSLen Brown } 1524103a8feaSLen Brown 1525d7899447SLen Brown /* 1526d7899447SLen Brown * NHM adds support for additional MSRs: 1527d7899447SLen Brown * 1528d7899447SLen Brown * MSR_SMI_COUNT 0x00000034 1529d7899447SLen Brown * 1530d7899447SLen Brown * MSR_NHM_PLATFORM_INFO 0x000000ce 1531d7899447SLen Brown * MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2 1532d7899447SLen Brown * 1533d7899447SLen Brown * MSR_PKG_C3_RESIDENCY 0x000003f8 1534d7899447SLen Brown * MSR_PKG_C6_RESIDENCY 0x000003f9 1535d7899447SLen Brown * MSR_CORE_C3_RESIDENCY 0x000003fc 1536d7899447SLen Brown * MSR_CORE_C6_RESIDENCY 0x000003fd 1537d7899447SLen Brown * 1538ee7e38e3SLen Brown * Side effect: 1539ee7e38e3SLen Brown * sets global pkg_cstate_limit to decode MSR_NHM_SNB_PKG_CST_CFG_CTL 1540d7899447SLen Brown */ 1541ee7e38e3SLen Brown int probe_nhm_msrs(unsigned int family, unsigned int model) 1542103a8feaSLen Brown { 1543ee7e38e3SLen Brown unsigned long long msr; 1544ee7e38e3SLen Brown int *pkg_cstate_limits; 1545ee7e38e3SLen Brown 1546103a8feaSLen Brown if (!genuine_intel) 1547103a8feaSLen Brown return 0; 1548103a8feaSLen Brown 1549103a8feaSLen Brown if (family != 6) 1550103a8feaSLen Brown return 0; 1551103a8feaSLen Brown 1552103a8feaSLen Brown switch (model) { 1553103a8feaSLen Brown case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */ 1554103a8feaSLen Brown case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */ 1555103a8feaSLen Brown case 0x1F: /* Core i7 and i5 Processor - Nehalem */ 1556103a8feaSLen Brown case 0x25: /* Westmere Client - Clarkdale, Arrandale */ 1557103a8feaSLen Brown case 0x2C: /* Westmere EP - Gulftown */ 1558ee7e38e3SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 1559ee7e38e3SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 1560ee7e38e3SLen Brown pkg_cstate_limits = nhm_pkg_cstate_limits; 1561ee7e38e3SLen Brown break; 1562103a8feaSLen Brown case 0x2A: /* SNB */ 1563103a8feaSLen Brown case 0x2D: /* SNB Xeon */ 1564553575f1SLen Brown case 0x3A: /* IVB */ 15651300651bSLen Brown case 0x3E: /* IVB Xeon */ 1566ee7e38e3SLen Brown pkg_cstate_limits = snb_pkg_cstate_limits; 1567ee7e38e3SLen Brown break; 156870b43400SLen Brown case 0x3C: /* HSW */ 1569e6f9bb3cSLen Brown case 0x3F: /* HSX */ 157070b43400SLen Brown case 0x45: /* HSW */ 1571149c2319SLen Brown case 0x46: /* HSW */ 15724e8e863fSLen Brown case 0x3D: /* BDW */ 1573*48a0631cSLen Brown case 0x47: /* BDW */ 15744e8e863fSLen Brown case 0x4F: /* BDX */ 15754e8e863fSLen Brown case 0x56: /* BDX-DE */ 1576ee7e38e3SLen Brown pkg_cstate_limits = hsw_pkg_cstate_limits; 1577ee7e38e3SLen Brown break; 1578ee7e38e3SLen Brown case 0x37: /* BYT */ 1579ee7e38e3SLen Brown case 0x4D: /* AVN */ 1580ee7e38e3SLen Brown pkg_cstate_limits = slv_pkg_cstate_limits; 1581ee7e38e3SLen Brown break; 1582ee7e38e3SLen Brown case 0x4C: /* AMT */ 1583ee7e38e3SLen Brown pkg_cstate_limits = amt_pkg_cstate_limits; 1584ee7e38e3SLen Brown break; 1585ee7e38e3SLen Brown case 0x57: /* PHI */ 1586ee7e38e3SLen Brown pkg_cstate_limits = phi_pkg_cstate_limits; 1587ee7e38e3SLen Brown break; 1588103a8feaSLen Brown default: 1589103a8feaSLen Brown return 0; 1590103a8feaSLen Brown } 1591ee7e38e3SLen Brown get_msr(0, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 1592ee7e38e3SLen Brown 1593ee7e38e3SLen Brown pkg_cstate_limit = pkg_cstate_limits[msr & 0x7]; 1594ee7e38e3SLen Brown 1595ee7e38e3SLen Brown return 1; 1596103a8feaSLen Brown } 1597d7899447SLen Brown int has_nhm_turbo_ratio_limit(unsigned int family, unsigned int model) 1598d7899447SLen Brown { 1599d7899447SLen Brown switch (model) { 1600d7899447SLen Brown /* Nehalem compatible, but do not include turbo-ratio limit support */ 1601d7899447SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 1602d7899447SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 1603d7899447SLen Brown return 0; 1604d7899447SLen Brown default: 1605d7899447SLen Brown return 1; 1606d7899447SLen Brown } 1607d7899447SLen Brown } 16086574a5d5SLen Brown int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model) 16096574a5d5SLen Brown { 16106574a5d5SLen Brown if (!genuine_intel) 16116574a5d5SLen Brown return 0; 16126574a5d5SLen Brown 16136574a5d5SLen Brown if (family != 6) 16146574a5d5SLen Brown return 0; 16156574a5d5SLen Brown 16166574a5d5SLen Brown switch (model) { 16176574a5d5SLen Brown case 0x3E: /* IVB Xeon */ 16186574a5d5SLen Brown return 1; 16196574a5d5SLen Brown default: 16206574a5d5SLen Brown return 0; 16216574a5d5SLen Brown } 16226574a5d5SLen Brown } 16236574a5d5SLen Brown 1624889facbeSLen Brown /* 1625889facbeSLen Brown * print_epb() 1626889facbeSLen Brown * Decode the ENERGY_PERF_BIAS MSR 1627889facbeSLen Brown */ 1628889facbeSLen Brown int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1629889facbeSLen Brown { 1630889facbeSLen Brown unsigned long long msr; 1631889facbeSLen Brown char *epb_string; 1632889facbeSLen Brown int cpu; 1633889facbeSLen Brown 1634889facbeSLen Brown if (!has_epb) 1635889facbeSLen Brown return 0; 1636889facbeSLen Brown 1637889facbeSLen Brown cpu = t->cpu_id; 1638889facbeSLen Brown 1639889facbeSLen Brown /* EPB is per-package */ 1640889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 1641889facbeSLen Brown return 0; 1642889facbeSLen Brown 1643889facbeSLen Brown if (cpu_migrate(cpu)) { 1644889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 1645889facbeSLen Brown return -1; 1646889facbeSLen Brown } 1647889facbeSLen Brown 1648889facbeSLen Brown if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr)) 1649889facbeSLen Brown return 0; 1650889facbeSLen Brown 1651889facbeSLen Brown switch (msr & 0x7) { 1652889facbeSLen Brown case ENERGY_PERF_BIAS_PERFORMANCE: 1653889facbeSLen Brown epb_string = "performance"; 1654889facbeSLen Brown break; 1655889facbeSLen Brown case ENERGY_PERF_BIAS_NORMAL: 1656889facbeSLen Brown epb_string = "balanced"; 1657889facbeSLen Brown break; 1658889facbeSLen Brown case ENERGY_PERF_BIAS_POWERSAVE: 1659889facbeSLen Brown epb_string = "powersave"; 1660889facbeSLen Brown break; 1661889facbeSLen Brown default: 1662889facbeSLen Brown epb_string = "custom"; 1663889facbeSLen Brown break; 1664889facbeSLen Brown } 1665889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string); 1666889facbeSLen Brown 1667889facbeSLen Brown return 0; 1668889facbeSLen Brown } 1669889facbeSLen Brown 16703a9a941dSLen Brown /* 16713a9a941dSLen Brown * print_perf_limit() 16723a9a941dSLen Brown */ 16733a9a941dSLen Brown int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p) 16743a9a941dSLen Brown { 16753a9a941dSLen Brown unsigned long long msr; 16763a9a941dSLen Brown int cpu; 16773a9a941dSLen Brown 16783a9a941dSLen Brown cpu = t->cpu_id; 16793a9a941dSLen Brown 16803a9a941dSLen Brown /* per-package */ 16813a9a941dSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 16823a9a941dSLen Brown return 0; 16833a9a941dSLen Brown 16843a9a941dSLen Brown if (cpu_migrate(cpu)) { 16853a9a941dSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 16863a9a941dSLen Brown return -1; 16873a9a941dSLen Brown } 16883a9a941dSLen Brown 16893a9a941dSLen Brown if (do_core_perf_limit_reasons) { 16903a9a941dSLen Brown get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr); 16913a9a941dSLen Brown fprintf(stderr, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 16923a9a941dSLen Brown fprintf(stderr, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)", 16933a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 16943a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 16953a9a941dSLen Brown (msr & 1 << 2) ? "bit2, " : "", 16963a9a941dSLen Brown (msr & 1 << 4) ? "Graphics, " : "", 16973a9a941dSLen Brown (msr & 1 << 5) ? "Auto-HWP, " : "", 16983a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 16993a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 17003a9a941dSLen Brown (msr & 1 << 9) ? "CorePwr, " : "", 17013a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 17023a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : "", 17033a9a941dSLen Brown (msr & 1 << 12) ? "MultiCoreTurbo, " : "", 17043a9a941dSLen Brown (msr & 1 << 13) ? "Transitions, " : "", 17053a9a941dSLen Brown (msr & 1 << 14) ? "bit14, " : "", 17063a9a941dSLen Brown (msr & 1 << 15) ? "bit15, " : ""); 17073a9a941dSLen Brown fprintf(stderr, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n", 17083a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 17093a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 17103a9a941dSLen Brown (msr & 1 << 18) ? "bit18, " : "", 17113a9a941dSLen Brown (msr & 1 << 20) ? "Graphics, " : "", 17123a9a941dSLen Brown (msr & 1 << 21) ? "Auto-HWP, " : "", 17133a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 17143a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 17153a9a941dSLen Brown (msr & 1 << 25) ? "CorePwr, " : "", 17163a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 17173a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : "", 17183a9a941dSLen Brown (msr & 1 << 28) ? "MultiCoreTurbo, " : "", 17193a9a941dSLen Brown (msr & 1 << 29) ? "Transitions, " : "", 17203a9a941dSLen Brown (msr & 1 << 30) ? "bit30, " : "", 17213a9a941dSLen Brown (msr & 1 << 31) ? "bit31, " : ""); 17223a9a941dSLen Brown 17233a9a941dSLen Brown } 17243a9a941dSLen Brown if (do_gfx_perf_limit_reasons) { 17253a9a941dSLen Brown get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr); 17263a9a941dSLen Brown fprintf(stderr, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 17273a9a941dSLen Brown fprintf(stderr, " (Active: %s%s%s%s%s%s%s%s)", 17283a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 17293a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 17303a9a941dSLen Brown (msr & 1 << 4) ? "Graphics, " : "", 17313a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 17323a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 17333a9a941dSLen Brown (msr & 1 << 9) ? "GFXPwr, " : "", 17343a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 17353a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 17363a9a941dSLen Brown fprintf(stderr, " (Logged: %s%s%s%s%s%s%s%s)\n", 17373a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 17383a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 17393a9a941dSLen Brown (msr & 1 << 20) ? "Graphics, " : "", 17403a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 17413a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 17423a9a941dSLen Brown (msr & 1 << 25) ? "GFXPwr, " : "", 17433a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 17443a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 17453a9a941dSLen Brown } 17463a9a941dSLen Brown if (do_ring_perf_limit_reasons) { 17473a9a941dSLen Brown get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr); 17483a9a941dSLen Brown fprintf(stderr, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 17493a9a941dSLen Brown fprintf(stderr, " (Active: %s%s%s%s%s%s)", 17503a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 17513a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 17523a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 17533a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 17543a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 17553a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 17563a9a941dSLen Brown fprintf(stderr, " (Logged: %s%s%s%s%s%s)\n", 17573a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 17583a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 17593a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 17603a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 17613a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 17623a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 17633a9a941dSLen Brown } 17643a9a941dSLen Brown return 0; 17653a9a941dSLen Brown } 17663a9a941dSLen Brown 1767889facbeSLen Brown #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */ 1768889facbeSLen Brown #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */ 1769889facbeSLen Brown 1770144b44b1SLen Brown double get_tdp(model) 1771144b44b1SLen Brown { 1772144b44b1SLen Brown unsigned long long msr; 1773144b44b1SLen Brown 1774144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) 1775144b44b1SLen Brown if (!get_msr(0, MSR_PKG_POWER_INFO, &msr)) 1776144b44b1SLen Brown return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units; 1777144b44b1SLen Brown 1778144b44b1SLen Brown switch (model) { 1779144b44b1SLen Brown case 0x37: 1780144b44b1SLen Brown case 0x4D: 1781144b44b1SLen Brown return 30.0; 1782144b44b1SLen Brown default: 1783144b44b1SLen Brown return 135.0; 1784144b44b1SLen Brown } 1785144b44b1SLen Brown } 1786144b44b1SLen Brown 1787144b44b1SLen Brown 1788889facbeSLen Brown /* 1789889facbeSLen Brown * rapl_probe() 1790889facbeSLen Brown * 1791144b44b1SLen Brown * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units 1792889facbeSLen Brown */ 1793889facbeSLen Brown void rapl_probe(unsigned int family, unsigned int model) 1794889facbeSLen Brown { 1795889facbeSLen Brown unsigned long long msr; 1796144b44b1SLen Brown unsigned int time_unit; 1797889facbeSLen Brown double tdp; 1798889facbeSLen Brown 1799889facbeSLen Brown if (!genuine_intel) 1800889facbeSLen Brown return; 1801889facbeSLen Brown 1802889facbeSLen Brown if (family != 6) 1803889facbeSLen Brown return; 1804889facbeSLen Brown 1805889facbeSLen Brown switch (model) { 1806889facbeSLen Brown case 0x2A: 1807889facbeSLen Brown case 0x3A: 180870b43400SLen Brown case 0x3C: /* HSW */ 180970b43400SLen Brown case 0x45: /* HSW */ 1810149c2319SLen Brown case 0x46: /* HSW */ 18114e8e863fSLen Brown case 0x3D: /* BDW */ 1812*48a0631cSLen Brown case 0x47: /* BDW */ 1813144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO; 1814889facbeSLen Brown break; 1815e6f9bb3cSLen Brown case 0x3F: /* HSX */ 18164e8e863fSLen Brown case 0x4F: /* BDX */ 18174e8e863fSLen Brown case 0x56: /* BDX-DE */ 1818e6f9bb3cSLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 1819e6f9bb3cSLen Brown break; 1820889facbeSLen Brown case 0x2D: 1821889facbeSLen Brown case 0x3E: 1822144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO; 1823144b44b1SLen Brown break; 1824144b44b1SLen Brown case 0x37: /* BYT */ 1825144b44b1SLen Brown case 0x4D: /* AVN */ 1826144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES ; 1827889facbeSLen Brown break; 1828889facbeSLen Brown default: 1829889facbeSLen Brown return; 1830889facbeSLen Brown } 1831889facbeSLen Brown 1832889facbeSLen Brown /* units on package 0, verify later other packages match */ 1833889facbeSLen Brown if (get_msr(0, MSR_RAPL_POWER_UNIT, &msr)) 1834889facbeSLen Brown return; 1835889facbeSLen Brown 1836889facbeSLen Brown rapl_power_units = 1.0 / (1 << (msr & 0xF)); 1837144b44b1SLen Brown if (model == 0x37) 1838144b44b1SLen Brown rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000; 1839144b44b1SLen Brown else 1840889facbeSLen Brown rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F)); 1841889facbeSLen Brown 1842144b44b1SLen Brown time_unit = msr >> 16 & 0xF; 1843144b44b1SLen Brown if (time_unit == 0) 1844144b44b1SLen Brown time_unit = 0xA; 1845889facbeSLen Brown 1846144b44b1SLen Brown rapl_time_units = 1.0 / (1 << (time_unit)); 1847144b44b1SLen Brown 1848144b44b1SLen Brown tdp = get_tdp(model); 1849889facbeSLen Brown 1850889facbeSLen Brown rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp; 1851d8af6f5fSLen Brown if (debug) 1852144b44b1SLen Brown fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp); 1853889facbeSLen Brown 1854889facbeSLen Brown return; 1855889facbeSLen Brown } 1856889facbeSLen Brown 18573a9a941dSLen Brown void perf_limit_reasons_probe(family, model) 18583a9a941dSLen Brown { 18593a9a941dSLen Brown if (!genuine_intel) 18603a9a941dSLen Brown return; 18613a9a941dSLen Brown 18623a9a941dSLen Brown if (family != 6) 18633a9a941dSLen Brown return; 18643a9a941dSLen Brown 18653a9a941dSLen Brown switch (model) { 18663a9a941dSLen Brown case 0x3C: /* HSW */ 18673a9a941dSLen Brown case 0x45: /* HSW */ 18683a9a941dSLen Brown case 0x46: /* HSW */ 18693a9a941dSLen Brown do_gfx_perf_limit_reasons = 1; 18703a9a941dSLen Brown case 0x3F: /* HSX */ 18713a9a941dSLen Brown do_core_perf_limit_reasons = 1; 18723a9a941dSLen Brown do_ring_perf_limit_reasons = 1; 18733a9a941dSLen Brown default: 18743a9a941dSLen Brown return; 18753a9a941dSLen Brown } 18763a9a941dSLen Brown } 18773a9a941dSLen Brown 1878889facbeSLen Brown int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1879889facbeSLen Brown { 1880889facbeSLen Brown unsigned long long msr; 1881889facbeSLen Brown unsigned int dts; 1882889facbeSLen Brown int cpu; 1883889facbeSLen Brown 1884889facbeSLen Brown if (!(do_dts || do_ptm)) 1885889facbeSLen Brown return 0; 1886889facbeSLen Brown 1887889facbeSLen Brown cpu = t->cpu_id; 1888889facbeSLen Brown 1889889facbeSLen Brown /* DTS is per-core, no need to print for each thread */ 1890889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 1891889facbeSLen Brown return 0; 1892889facbeSLen Brown 1893889facbeSLen Brown if (cpu_migrate(cpu)) { 1894889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 1895889facbeSLen Brown return -1; 1896889facbeSLen Brown } 1897889facbeSLen Brown 1898889facbeSLen Brown if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) { 1899889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 1900889facbeSLen Brown return 0; 1901889facbeSLen Brown 1902889facbeSLen Brown dts = (msr >> 16) & 0x7F; 1903889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", 1904889facbeSLen Brown cpu, msr, tcc_activation_temp - dts); 1905889facbeSLen Brown 1906889facbeSLen Brown #ifdef THERM_DEBUG 1907889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr)) 1908889facbeSLen Brown return 0; 1909889facbeSLen Brown 1910889facbeSLen Brown dts = (msr >> 16) & 0x7F; 1911889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 1912889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 1913889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 1914889facbeSLen Brown #endif 1915889facbeSLen Brown } 1916889facbeSLen Brown 1917889facbeSLen Brown 1918889facbeSLen Brown if (do_dts) { 1919889facbeSLen Brown unsigned int resolution; 1920889facbeSLen Brown 1921889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 1922889facbeSLen Brown return 0; 1923889facbeSLen Brown 1924889facbeSLen Brown dts = (msr >> 16) & 0x7F; 1925889facbeSLen Brown resolution = (msr >> 27) & 0xF; 1926889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n", 1927889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, resolution); 1928889facbeSLen Brown 1929889facbeSLen Brown #ifdef THERM_DEBUG 1930889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr)) 1931889facbeSLen Brown return 0; 1932889facbeSLen Brown 1933889facbeSLen Brown dts = (msr >> 16) & 0x7F; 1934889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 1935889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 1936889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 1937889facbeSLen Brown #endif 1938889facbeSLen Brown } 1939889facbeSLen Brown 1940889facbeSLen Brown return 0; 1941889facbeSLen Brown } 1942889facbeSLen Brown 1943889facbeSLen Brown void print_power_limit_msr(int cpu, unsigned long long msr, char *label) 1944889facbeSLen Brown { 1945889facbeSLen Brown fprintf(stderr, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n", 1946889facbeSLen Brown cpu, label, 1947889facbeSLen Brown ((msr >> 15) & 1) ? "EN" : "DIS", 1948889facbeSLen Brown ((msr >> 0) & 0x7FFF) * rapl_power_units, 1949889facbeSLen Brown (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units, 1950889facbeSLen Brown (((msr >> 16) & 1) ? "EN" : "DIS")); 1951889facbeSLen Brown 1952889facbeSLen Brown return; 1953889facbeSLen Brown } 1954889facbeSLen Brown 1955889facbeSLen Brown int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1956889facbeSLen Brown { 1957889facbeSLen Brown unsigned long long msr; 1958889facbeSLen Brown int cpu; 1959889facbeSLen Brown 1960889facbeSLen Brown if (!do_rapl) 1961889facbeSLen Brown return 0; 1962889facbeSLen Brown 1963889facbeSLen Brown /* RAPL counters are per package, so print only for 1st thread/package */ 1964889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 1965889facbeSLen Brown return 0; 1966889facbeSLen Brown 1967889facbeSLen Brown cpu = t->cpu_id; 1968889facbeSLen Brown if (cpu_migrate(cpu)) { 1969889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 1970889facbeSLen Brown return -1; 1971889facbeSLen Brown } 1972889facbeSLen Brown 1973889facbeSLen Brown if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr)) 1974889facbeSLen Brown return -1; 1975889facbeSLen Brown 1976d8af6f5fSLen Brown if (debug) { 1977889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx " 1978889facbeSLen Brown "(%f Watts, %f Joules, %f sec.)\n", cpu, msr, 1979144b44b1SLen Brown rapl_power_units, rapl_energy_units, rapl_time_units); 1980889facbeSLen Brown } 1981144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) { 1982144b44b1SLen Brown 1983889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr)) 1984889facbeSLen Brown return -5; 1985889facbeSLen Brown 1986889facbeSLen Brown 1987889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 1988889facbeSLen Brown cpu, msr, 1989889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 1990889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 1991889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 1992889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 1993889facbeSLen Brown 1994144b44b1SLen Brown } 1995144b44b1SLen Brown if (do_rapl & RAPL_PKG) { 1996144b44b1SLen Brown 1997889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr)) 1998889facbeSLen Brown return -9; 1999889facbeSLen Brown 2000889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n", 2001889facbeSLen Brown cpu, msr, (msr >> 63) & 1 ? "": "UN"); 2002889facbeSLen Brown 2003889facbeSLen Brown print_power_limit_msr(cpu, msr, "PKG Limit #1"); 2004889facbeSLen Brown fprintf(stderr, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n", 2005889facbeSLen Brown cpu, 2006889facbeSLen Brown ((msr >> 47) & 1) ? "EN" : "DIS", 2007889facbeSLen Brown ((msr >> 32) & 0x7FFF) * rapl_power_units, 2008889facbeSLen Brown (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units, 2009889facbeSLen Brown ((msr >> 48) & 1) ? "EN" : "DIS"); 2010889facbeSLen Brown } 2011889facbeSLen Brown 2012889facbeSLen Brown if (do_rapl & RAPL_DRAM) { 2013889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr)) 2014889facbeSLen Brown return -6; 2015889facbeSLen Brown 2016889facbeSLen Brown 2017889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2018889facbeSLen Brown cpu, msr, 2019889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2020889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2021889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2022889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 2023889facbeSLen Brown 2024889facbeSLen Brown 2025889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr)) 2026889facbeSLen Brown return -9; 2027889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n", 2028889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2029889facbeSLen Brown 2030889facbeSLen Brown print_power_limit_msr(cpu, msr, "DRAM Limit"); 2031889facbeSLen Brown } 2032144b44b1SLen Brown if (do_rapl & RAPL_CORE_POLICY) { 2033d8af6f5fSLen Brown if (debug) { 2034889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POLICY, &msr)) 2035889facbeSLen Brown return -7; 2036889facbeSLen Brown 2037889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF); 2038144b44b1SLen Brown } 2039144b44b1SLen Brown } 2040144b44b1SLen Brown if (do_rapl & RAPL_CORES) { 2041d8af6f5fSLen Brown if (debug) { 2042889facbeSLen Brown 2043889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr)) 2044889facbeSLen Brown return -9; 2045889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n", 2046889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2047889facbeSLen Brown print_power_limit_msr(cpu, msr, "Cores Limit"); 2048889facbeSLen Brown } 2049889facbeSLen Brown } 2050889facbeSLen Brown if (do_rapl & RAPL_GFX) { 2051d8af6f5fSLen Brown if (debug) { 2052889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POLICY, &msr)) 2053889facbeSLen Brown return -8; 2054889facbeSLen Brown 2055889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF); 2056889facbeSLen Brown 2057889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr)) 2058889facbeSLen Brown return -9; 2059889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n", 2060889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2061889facbeSLen Brown print_power_limit_msr(cpu, msr, "GFX Limit"); 2062889facbeSLen Brown } 2063889facbeSLen Brown } 2064889facbeSLen Brown return 0; 2065889facbeSLen Brown } 2066889facbeSLen Brown 2067d7899447SLen Brown /* 2068d7899447SLen Brown * SNB adds support for additional MSRs: 2069d7899447SLen Brown * 2070d7899447SLen Brown * MSR_PKG_C7_RESIDENCY 0x000003fa 2071d7899447SLen Brown * MSR_CORE_C7_RESIDENCY 0x000003fe 2072d7899447SLen Brown * MSR_PKG_C2_RESIDENCY 0x0000060d 2073d7899447SLen Brown */ 2074103a8feaSLen Brown 2075d7899447SLen Brown int has_snb_msrs(unsigned int family, unsigned int model) 2076103a8feaSLen Brown { 2077103a8feaSLen Brown if (!genuine_intel) 2078103a8feaSLen Brown return 0; 2079103a8feaSLen Brown 2080103a8feaSLen Brown switch (model) { 2081103a8feaSLen Brown case 0x2A: 2082103a8feaSLen Brown case 0x2D: 2083650a37f3SLen Brown case 0x3A: /* IVB */ 20841300651bSLen Brown case 0x3E: /* IVB Xeon */ 208570b43400SLen Brown case 0x3C: /* HSW */ 208670b43400SLen Brown case 0x3F: /* HSW */ 208770b43400SLen Brown case 0x45: /* HSW */ 2088149c2319SLen Brown case 0x46: /* HSW */ 20894e8e863fSLen Brown case 0x3D: /* BDW */ 2090*48a0631cSLen Brown case 0x47: /* BDW */ 20914e8e863fSLen Brown case 0x4F: /* BDX */ 20924e8e863fSLen Brown case 0x56: /* BDX-DE */ 2093103a8feaSLen Brown return 1; 2094103a8feaSLen Brown } 2095103a8feaSLen Brown return 0; 2096103a8feaSLen Brown } 2097103a8feaSLen Brown 2098d7899447SLen Brown /* 2099d7899447SLen Brown * HSW adds support for additional MSRs: 2100d7899447SLen Brown * 2101d7899447SLen Brown * MSR_PKG_C8_RESIDENCY 0x00000630 2102d7899447SLen Brown * MSR_PKG_C9_RESIDENCY 0x00000631 2103d7899447SLen Brown * MSR_PKG_C10_RESIDENCY 0x00000632 2104d7899447SLen Brown */ 2105d7899447SLen Brown int has_hsw_msrs(unsigned int family, unsigned int model) 2106ca58710fSKristen Carlson Accardi { 2107ca58710fSKristen Carlson Accardi if (!genuine_intel) 2108ca58710fSKristen Carlson Accardi return 0; 2109ca58710fSKristen Carlson Accardi 2110ca58710fSKristen Carlson Accardi switch (model) { 21114e8e863fSLen Brown case 0x45: /* HSW */ 21124e8e863fSLen Brown case 0x3D: /* BDW */ 2113ca58710fSKristen Carlson Accardi return 1; 2114ca58710fSKristen Carlson Accardi } 2115ca58710fSKristen Carlson Accardi return 0; 2116ca58710fSKristen Carlson Accardi } 2117ca58710fSKristen Carlson Accardi 2118ca58710fSKristen Carlson Accardi 2119144b44b1SLen Brown int is_slm(unsigned int family, unsigned int model) 2120144b44b1SLen Brown { 2121144b44b1SLen Brown if (!genuine_intel) 2122144b44b1SLen Brown return 0; 2123144b44b1SLen Brown switch (model) { 2124144b44b1SLen Brown case 0x37: /* BYT */ 2125144b44b1SLen Brown case 0x4D: /* AVN */ 2126144b44b1SLen Brown return 1; 2127144b44b1SLen Brown } 2128144b44b1SLen Brown return 0; 2129144b44b1SLen Brown } 2130144b44b1SLen Brown 2131144b44b1SLen Brown #define SLM_BCLK_FREQS 5 2132144b44b1SLen Brown double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0}; 2133144b44b1SLen Brown 2134144b44b1SLen Brown double slm_bclk(void) 2135144b44b1SLen Brown { 2136144b44b1SLen Brown unsigned long long msr = 3; 2137144b44b1SLen Brown unsigned int i; 2138144b44b1SLen Brown double freq; 2139144b44b1SLen Brown 2140144b44b1SLen Brown if (get_msr(0, MSR_FSB_FREQ, &msr)) 2141144b44b1SLen Brown fprintf(stderr, "SLM BCLK: unknown\n"); 2142144b44b1SLen Brown 2143144b44b1SLen Brown i = msr & 0xf; 2144144b44b1SLen Brown if (i >= SLM_BCLK_FREQS) { 2145144b44b1SLen Brown fprintf(stderr, "SLM BCLK[%d] invalid\n", i); 2146144b44b1SLen Brown msr = 3; 2147144b44b1SLen Brown } 2148144b44b1SLen Brown freq = slm_freq_table[i]; 2149144b44b1SLen Brown 2150144b44b1SLen Brown fprintf(stderr, "SLM BCLK: %.1f Mhz\n", freq); 2151144b44b1SLen Brown 2152144b44b1SLen Brown return freq; 2153144b44b1SLen Brown } 2154144b44b1SLen Brown 2155103a8feaSLen Brown double discover_bclk(unsigned int family, unsigned int model) 2156103a8feaSLen Brown { 2157d7899447SLen Brown if (has_snb_msrs(family, model)) 2158103a8feaSLen Brown return 100.00; 2159144b44b1SLen Brown else if (is_slm(family, model)) 2160144b44b1SLen Brown return slm_bclk(); 2161103a8feaSLen Brown else 2162103a8feaSLen Brown return 133.33; 2163103a8feaSLen Brown } 2164103a8feaSLen Brown 2165889facbeSLen Brown /* 2166889facbeSLen Brown * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where 2167889facbeSLen Brown * the Thermal Control Circuit (TCC) activates. 2168889facbeSLen Brown * This is usually equal to tjMax. 2169889facbeSLen Brown * 2170889facbeSLen Brown * Older processors do not have this MSR, so there we guess, 2171889facbeSLen Brown * but also allow cmdline over-ride with -T. 2172889facbeSLen Brown * 2173889facbeSLen Brown * Several MSR temperature values are in units of degrees-C 2174889facbeSLen Brown * below this value, including the Digital Thermal Sensor (DTS), 2175889facbeSLen Brown * Package Thermal Management Sensor (PTM), and thermal event thresholds. 2176889facbeSLen Brown */ 2177889facbeSLen Brown int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2178889facbeSLen Brown { 2179889facbeSLen Brown unsigned long long msr; 2180889facbeSLen Brown unsigned int target_c_local; 2181889facbeSLen Brown int cpu; 2182889facbeSLen Brown 2183889facbeSLen Brown /* tcc_activation_temp is used only for dts or ptm */ 2184889facbeSLen Brown if (!(do_dts || do_ptm)) 2185889facbeSLen Brown return 0; 2186889facbeSLen Brown 2187889facbeSLen Brown /* this is a per-package concept */ 2188889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2189889facbeSLen Brown return 0; 2190889facbeSLen Brown 2191889facbeSLen Brown cpu = t->cpu_id; 2192889facbeSLen Brown if (cpu_migrate(cpu)) { 2193889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 2194889facbeSLen Brown return -1; 2195889facbeSLen Brown } 2196889facbeSLen Brown 2197889facbeSLen Brown if (tcc_activation_temp_override != 0) { 2198889facbeSLen Brown tcc_activation_temp = tcc_activation_temp_override; 2199889facbeSLen Brown fprintf(stderr, "cpu%d: Using cmdline TCC Target (%d C)\n", 2200889facbeSLen Brown cpu, tcc_activation_temp); 2201889facbeSLen Brown return 0; 2202889facbeSLen Brown } 2203889facbeSLen Brown 2204889facbeSLen Brown /* Temperature Target MSR is Nehalem and newer only */ 2205d7899447SLen Brown if (!do_nhm_platform_info) 2206889facbeSLen Brown goto guess; 2207889facbeSLen Brown 2208889facbeSLen Brown if (get_msr(0, MSR_IA32_TEMPERATURE_TARGET, &msr)) 2209889facbeSLen Brown goto guess; 2210889facbeSLen Brown 22113482124aSJean Delvare target_c_local = (msr >> 16) & 0xFF; 2212889facbeSLen Brown 2213d8af6f5fSLen Brown if (debug) 2214889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", 2215889facbeSLen Brown cpu, msr, target_c_local); 2216889facbeSLen Brown 22173482124aSJean Delvare if (!target_c_local) 2218889facbeSLen Brown goto guess; 2219889facbeSLen Brown 2220889facbeSLen Brown tcc_activation_temp = target_c_local; 2221889facbeSLen Brown 2222889facbeSLen Brown return 0; 2223889facbeSLen Brown 2224889facbeSLen Brown guess: 2225889facbeSLen Brown tcc_activation_temp = TJMAX_DEFAULT; 2226889facbeSLen Brown fprintf(stderr, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n", 2227889facbeSLen Brown cpu, tcc_activation_temp); 2228889facbeSLen Brown 2229889facbeSLen Brown return 0; 2230889facbeSLen Brown } 2231103a8feaSLen Brown void check_cpuid() 2232103a8feaSLen Brown { 2233103a8feaSLen Brown unsigned int eax, ebx, ecx, edx, max_level; 2234103a8feaSLen Brown unsigned int fms, family, model, stepping; 2235103a8feaSLen Brown 2236103a8feaSLen Brown eax = ebx = ecx = edx = 0; 2237103a8feaSLen Brown 22382b92865eSJosh Triplett __get_cpuid(0, &max_level, &ebx, &ecx, &edx); 2239103a8feaSLen Brown 2240103a8feaSLen Brown if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e) 2241103a8feaSLen Brown genuine_intel = 1; 2242103a8feaSLen Brown 2243d8af6f5fSLen Brown if (debug) 2244889facbeSLen Brown fprintf(stderr, "CPUID(0): %.4s%.4s%.4s ", 2245103a8feaSLen Brown (char *)&ebx, (char *)&edx, (char *)&ecx); 2246103a8feaSLen Brown 22472b92865eSJosh Triplett __get_cpuid(1, &fms, &ebx, &ecx, &edx); 2248103a8feaSLen Brown family = (fms >> 8) & 0xf; 2249103a8feaSLen Brown model = (fms >> 4) & 0xf; 2250103a8feaSLen Brown stepping = fms & 0xf; 2251103a8feaSLen Brown if (family == 6 || family == 0xf) 2252103a8feaSLen Brown model += ((fms >> 16) & 0xf) << 4; 2253103a8feaSLen Brown 2254d8af6f5fSLen Brown if (debug) 2255103a8feaSLen Brown fprintf(stderr, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n", 2256103a8feaSLen Brown max_level, family, model, stepping, family, model, stepping); 2257103a8feaSLen Brown 2258b2c95d90SJosh Triplett if (!(edx & (1 << 5))) 2259b2c95d90SJosh Triplett errx(1, "CPUID: no MSR"); 2260103a8feaSLen Brown 2261103a8feaSLen Brown /* 2262103a8feaSLen Brown * check max extended function levels of CPUID. 2263103a8feaSLen Brown * This is needed to check for invariant TSC. 2264103a8feaSLen Brown * This check is valid for both Intel and AMD. 2265103a8feaSLen Brown */ 2266103a8feaSLen Brown ebx = ecx = edx = 0; 22672b92865eSJosh Triplett __get_cpuid(0x80000000, &max_level, &ebx, &ecx, &edx); 2268103a8feaSLen Brown 2269d7899447SLen Brown if (max_level >= 0x80000007) { 2270103a8feaSLen Brown 2271103a8feaSLen Brown /* 2272103a8feaSLen Brown * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8 2273103a8feaSLen Brown * this check is valid for both Intel and AMD 2274103a8feaSLen Brown */ 22752b92865eSJosh Triplett __get_cpuid(0x80000007, &eax, &ebx, &ecx, &edx); 22768209e054SThomas Renninger has_invariant_tsc = edx & (1 << 8); 2277d7899447SLen Brown } 2278103a8feaSLen Brown 2279103a8feaSLen Brown /* 2280103a8feaSLen Brown * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0 2281103a8feaSLen Brown * this check is valid for both Intel and AMD 2282103a8feaSLen Brown */ 2283103a8feaSLen Brown 22842b92865eSJosh Triplett __get_cpuid(0x6, &eax, &ebx, &ecx, &edx); 22858209e054SThomas Renninger has_aperf = ecx & (1 << 0); 2286889facbeSLen Brown do_dts = eax & (1 << 0); 2287889facbeSLen Brown do_ptm = eax & (1 << 6); 2288889facbeSLen Brown has_epb = ecx & (1 << 3); 2289889facbeSLen Brown 2290d8af6f5fSLen Brown if (debug) 2291a729617cSLen Brown fprintf(stderr, "CPUID(6): %sAPERF, %sDTS, %sPTM, %sEPB\n", 2292a729617cSLen Brown has_aperf ? "" : "No ", 2293a729617cSLen Brown do_dts ? "" : "No ", 2294a729617cSLen Brown do_ptm ? "" : "No ", 2295a729617cSLen Brown has_epb ? "" : "No "); 2296103a8feaSLen Brown 2297ee7e38e3SLen Brown do_nhm_platform_info = do_nhm_cstates = do_smi = probe_nhm_msrs(family, model); 2298d7899447SLen Brown do_snb_cstates = has_snb_msrs(family, model); 2299ee7e38e3SLen Brown do_pc2 = do_snb_cstates && (pkg_cstate_limit >= PCL__2); 2300ee7e38e3SLen Brown do_pc3 = (pkg_cstate_limit >= PCL__3); 2301ee7e38e3SLen Brown do_pc6 = (pkg_cstate_limit >= PCL__6); 2302ee7e38e3SLen Brown do_pc7 = do_snb_cstates && (pkg_cstate_limit >= PCL__7); 2303d7899447SLen Brown do_c8_c9_c10 = has_hsw_msrs(family, model); 2304144b44b1SLen Brown do_slm_cstates = is_slm(family, model); 2305103a8feaSLen Brown bclk = discover_bclk(family, model); 2306103a8feaSLen Brown 2307ee7e38e3SLen Brown do_nhm_turbo_ratio_limit = do_nhm_platform_info && has_nhm_turbo_ratio_limit(family, model); 23086574a5d5SLen Brown do_ivt_turbo_ratio_limit = has_ivt_turbo_ratio_limit(family, model); 2309889facbeSLen Brown rapl_probe(family, model); 23103a9a941dSLen Brown perf_limit_reasons_probe(family, model); 2311889facbeSLen Brown 2312889facbeSLen Brown return; 2313103a8feaSLen Brown } 2314103a8feaSLen Brown 2315103a8feaSLen Brown 2316d8af6f5fSLen Brown void help() 2317103a8feaSLen Brown { 2318d8af6f5fSLen Brown fprintf(stderr, 2319d8af6f5fSLen Brown "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n" 2320d8af6f5fSLen Brown "\n" 2321d8af6f5fSLen Brown "Turbostat forks the specified COMMAND and prints statistics\n" 2322d8af6f5fSLen Brown "when COMMAND completes.\n" 2323d8af6f5fSLen Brown "If no COMMAND is specified, turbostat wakes every 5-seconds\n" 2324d8af6f5fSLen Brown "to print statistics, until interrupted.\n" 2325d8af6f5fSLen Brown "--debug run in \"debug\" mode\n" 2326d8af6f5fSLen Brown "--interval sec Override default 5-second measurement interval\n" 2327d8af6f5fSLen Brown "--help print this help message\n" 2328d8af6f5fSLen Brown "--counter msr print 32-bit counter at address \"msr\"\n" 2329d8af6f5fSLen Brown "--Counter msr print 64-bit Counter at address \"msr\"\n" 2330d8af6f5fSLen Brown "--msr msr print 32-bit value at address \"msr\"\n" 2331d8af6f5fSLen Brown "--MSR msr print 64-bit Value at address \"msr\"\n" 2332d8af6f5fSLen Brown "--version print version information\n" 2333d8af6f5fSLen Brown "\n" 2334d8af6f5fSLen Brown "For more help, run \"man turbostat\"\n"); 2335103a8feaSLen Brown } 2336103a8feaSLen Brown 2337103a8feaSLen Brown 2338103a8feaSLen Brown /* 2339103a8feaSLen Brown * in /dev/cpu/ return success for names that are numbers 2340103a8feaSLen Brown * ie. filter out ".", "..", "microcode". 2341103a8feaSLen Brown */ 2342103a8feaSLen Brown int dir_filter(const struct dirent *dirp) 2343103a8feaSLen Brown { 2344103a8feaSLen Brown if (isdigit(dirp->d_name[0])) 2345103a8feaSLen Brown return 1; 2346103a8feaSLen Brown else 2347103a8feaSLen Brown return 0; 2348103a8feaSLen Brown } 2349103a8feaSLen Brown 2350103a8feaSLen Brown int open_dev_cpu_msr(int dummy1) 2351103a8feaSLen Brown { 2352103a8feaSLen Brown return 0; 2353103a8feaSLen Brown } 2354103a8feaSLen Brown 2355c98d5d94SLen Brown void topology_probe() 2356c98d5d94SLen Brown { 2357c98d5d94SLen Brown int i; 2358c98d5d94SLen Brown int max_core_id = 0; 2359c98d5d94SLen Brown int max_package_id = 0; 2360c98d5d94SLen Brown int max_siblings = 0; 2361c98d5d94SLen Brown struct cpu_topology { 2362c98d5d94SLen Brown int core_id; 2363c98d5d94SLen Brown int physical_package_id; 2364c98d5d94SLen Brown } *cpus; 2365c98d5d94SLen Brown 2366c98d5d94SLen Brown /* Initialize num_cpus, max_cpu_num */ 2367c98d5d94SLen Brown topo.num_cpus = 0; 2368c98d5d94SLen Brown topo.max_cpu_num = 0; 2369c98d5d94SLen Brown for_all_proc_cpus(count_cpus); 2370c98d5d94SLen Brown if (!summary_only && topo.num_cpus > 1) 2371c98d5d94SLen Brown show_cpu = 1; 2372c98d5d94SLen Brown 2373d8af6f5fSLen Brown if (debug > 1) 2374c98d5d94SLen Brown fprintf(stderr, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num); 2375c98d5d94SLen Brown 2376c98d5d94SLen Brown cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology)); 2377b2c95d90SJosh Triplett if (cpus == NULL) 2378b2c95d90SJosh Triplett err(1, "calloc cpus"); 2379c98d5d94SLen Brown 2380c98d5d94SLen Brown /* 2381c98d5d94SLen Brown * Allocate and initialize cpu_present_set 2382c98d5d94SLen Brown */ 2383c98d5d94SLen Brown cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1)); 2384b2c95d90SJosh Triplett if (cpu_present_set == NULL) 2385b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 2386c98d5d94SLen Brown cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 2387c98d5d94SLen Brown CPU_ZERO_S(cpu_present_setsize, cpu_present_set); 2388c98d5d94SLen Brown for_all_proc_cpus(mark_cpu_present); 2389c98d5d94SLen Brown 2390c98d5d94SLen Brown /* 2391c98d5d94SLen Brown * Allocate and initialize cpu_affinity_set 2392c98d5d94SLen Brown */ 2393c98d5d94SLen Brown cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1)); 2394b2c95d90SJosh Triplett if (cpu_affinity_set == NULL) 2395b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 2396c98d5d94SLen Brown cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 2397c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 2398c98d5d94SLen Brown 2399c98d5d94SLen Brown 2400c98d5d94SLen Brown /* 2401c98d5d94SLen Brown * For online cpus 2402c98d5d94SLen Brown * find max_core_id, max_package_id 2403c98d5d94SLen Brown */ 2404c98d5d94SLen Brown for (i = 0; i <= topo.max_cpu_num; ++i) { 2405c98d5d94SLen Brown int siblings; 2406c98d5d94SLen Brown 2407c98d5d94SLen Brown if (cpu_is_not_present(i)) { 2408d8af6f5fSLen Brown if (debug > 1) 2409c98d5d94SLen Brown fprintf(stderr, "cpu%d NOT PRESENT\n", i); 2410c98d5d94SLen Brown continue; 2411c98d5d94SLen Brown } 2412c98d5d94SLen Brown cpus[i].core_id = get_core_id(i); 2413c98d5d94SLen Brown if (cpus[i].core_id > max_core_id) 2414c98d5d94SLen Brown max_core_id = cpus[i].core_id; 2415c98d5d94SLen Brown 2416c98d5d94SLen Brown cpus[i].physical_package_id = get_physical_package_id(i); 2417c98d5d94SLen Brown if (cpus[i].physical_package_id > max_package_id) 2418c98d5d94SLen Brown max_package_id = cpus[i].physical_package_id; 2419c98d5d94SLen Brown 2420c98d5d94SLen Brown siblings = get_num_ht_siblings(i); 2421c98d5d94SLen Brown if (siblings > max_siblings) 2422c98d5d94SLen Brown max_siblings = siblings; 2423d8af6f5fSLen Brown if (debug > 1) 2424c98d5d94SLen Brown fprintf(stderr, "cpu %d pkg %d core %d\n", 2425c98d5d94SLen Brown i, cpus[i].physical_package_id, cpus[i].core_id); 2426c98d5d94SLen Brown } 2427c98d5d94SLen Brown topo.num_cores_per_pkg = max_core_id + 1; 2428d8af6f5fSLen Brown if (debug > 1) 2429c98d5d94SLen Brown fprintf(stderr, "max_core_id %d, sizing for %d cores per package\n", 2430c98d5d94SLen Brown max_core_id, topo.num_cores_per_pkg); 2431c98d5d94SLen Brown if (!summary_only && topo.num_cores_per_pkg > 1) 2432c98d5d94SLen Brown show_core = 1; 2433c98d5d94SLen Brown 2434c98d5d94SLen Brown topo.num_packages = max_package_id + 1; 2435d8af6f5fSLen Brown if (debug > 1) 2436c98d5d94SLen Brown fprintf(stderr, "max_package_id %d, sizing for %d packages\n", 2437c98d5d94SLen Brown max_package_id, topo.num_packages); 2438c98d5d94SLen Brown if (!summary_only && topo.num_packages > 1) 2439c98d5d94SLen Brown show_pkg = 1; 2440c98d5d94SLen Brown 2441c98d5d94SLen Brown topo.num_threads_per_core = max_siblings; 2442d8af6f5fSLen Brown if (debug > 1) 2443c98d5d94SLen Brown fprintf(stderr, "max_siblings %d\n", max_siblings); 2444c98d5d94SLen Brown 2445c98d5d94SLen Brown free(cpus); 2446c98d5d94SLen Brown } 2447c98d5d94SLen Brown 2448c98d5d94SLen Brown void 2449c98d5d94SLen Brown allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p) 2450c98d5d94SLen Brown { 2451c98d5d94SLen Brown int i; 2452c98d5d94SLen Brown 2453c98d5d94SLen Brown *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg * 2454c98d5d94SLen Brown topo.num_packages, sizeof(struct thread_data)); 2455c98d5d94SLen Brown if (*t == NULL) 2456c98d5d94SLen Brown goto error; 2457c98d5d94SLen Brown 2458c98d5d94SLen Brown for (i = 0; i < topo.num_threads_per_core * 2459c98d5d94SLen Brown topo.num_cores_per_pkg * topo.num_packages; i++) 2460c98d5d94SLen Brown (*t)[i].cpu_id = -1; 2461c98d5d94SLen Brown 2462c98d5d94SLen Brown *c = calloc(topo.num_cores_per_pkg * topo.num_packages, 2463c98d5d94SLen Brown sizeof(struct core_data)); 2464c98d5d94SLen Brown if (*c == NULL) 2465c98d5d94SLen Brown goto error; 2466c98d5d94SLen Brown 2467c98d5d94SLen Brown for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++) 2468c98d5d94SLen Brown (*c)[i].core_id = -1; 2469c98d5d94SLen Brown 2470c98d5d94SLen Brown *p = calloc(topo.num_packages, sizeof(struct pkg_data)); 2471c98d5d94SLen Brown if (*p == NULL) 2472c98d5d94SLen Brown goto error; 2473c98d5d94SLen Brown 2474c98d5d94SLen Brown for (i = 0; i < topo.num_packages; i++) 2475c98d5d94SLen Brown (*p)[i].package_id = i; 2476c98d5d94SLen Brown 2477c98d5d94SLen Brown return; 2478c98d5d94SLen Brown error: 2479b2c95d90SJosh Triplett err(1, "calloc counters"); 2480c98d5d94SLen Brown } 2481c98d5d94SLen Brown /* 2482c98d5d94SLen Brown * init_counter() 2483c98d5d94SLen Brown * 2484c98d5d94SLen Brown * set cpu_id, core_num, pkg_num 2485c98d5d94SLen Brown * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE 2486c98d5d94SLen Brown * 2487c98d5d94SLen Brown * increment topo.num_cores when 1st core in pkg seen 2488c98d5d94SLen Brown */ 2489c98d5d94SLen Brown void init_counter(struct thread_data *thread_base, struct core_data *core_base, 2490c98d5d94SLen Brown struct pkg_data *pkg_base, int thread_num, int core_num, 2491c98d5d94SLen Brown int pkg_num, int cpu_id) 2492c98d5d94SLen Brown { 2493c98d5d94SLen Brown struct thread_data *t; 2494c98d5d94SLen Brown struct core_data *c; 2495c98d5d94SLen Brown struct pkg_data *p; 2496c98d5d94SLen Brown 2497c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_num, core_num, pkg_num); 2498c98d5d94SLen Brown c = GET_CORE(core_base, core_num, pkg_num); 2499c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_num); 2500c98d5d94SLen Brown 2501c98d5d94SLen Brown t->cpu_id = cpu_id; 2502c98d5d94SLen Brown if (thread_num == 0) { 2503c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_THREAD_IN_CORE; 2504c98d5d94SLen Brown if (cpu_is_first_core_in_package(cpu_id)) 2505c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE; 2506c98d5d94SLen Brown } 2507c98d5d94SLen Brown 2508c98d5d94SLen Brown c->core_id = core_num; 2509c98d5d94SLen Brown p->package_id = pkg_num; 2510c98d5d94SLen Brown } 2511c98d5d94SLen Brown 2512c98d5d94SLen Brown 2513c98d5d94SLen Brown int initialize_counters(int cpu_id) 2514c98d5d94SLen Brown { 2515c98d5d94SLen Brown int my_thread_id, my_core_id, my_package_id; 2516c98d5d94SLen Brown 2517c98d5d94SLen Brown my_package_id = get_physical_package_id(cpu_id); 2518c98d5d94SLen Brown my_core_id = get_core_id(cpu_id); 2519c98d5d94SLen Brown 2520c98d5d94SLen Brown if (cpu_is_first_sibling_in_core(cpu_id)) { 2521c98d5d94SLen Brown my_thread_id = 0; 2522c98d5d94SLen Brown topo.num_cores++; 2523c98d5d94SLen Brown } else { 2524c98d5d94SLen Brown my_thread_id = 1; 2525c98d5d94SLen Brown } 2526c98d5d94SLen Brown 2527c98d5d94SLen Brown init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 2528c98d5d94SLen Brown init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 2529c98d5d94SLen Brown return 0; 2530c98d5d94SLen Brown } 2531c98d5d94SLen Brown 2532c98d5d94SLen Brown void allocate_output_buffer() 2533c98d5d94SLen Brown { 25343b4d5c7fSAndy Shevchenko output_buffer = calloc(1, (1 + topo.num_cpus) * 1024); 2535c98d5d94SLen Brown outp = output_buffer; 2536b2c95d90SJosh Triplett if (outp == NULL) 2537b2c95d90SJosh Triplett err(-1, "calloc output buffer"); 2538c98d5d94SLen Brown } 2539c98d5d94SLen Brown 2540c98d5d94SLen Brown void setup_all_buffers(void) 2541c98d5d94SLen Brown { 2542c98d5d94SLen Brown topology_probe(); 2543c98d5d94SLen Brown allocate_counters(&thread_even, &core_even, &package_even); 2544c98d5d94SLen Brown allocate_counters(&thread_odd, &core_odd, &package_odd); 2545c98d5d94SLen Brown allocate_output_buffer(); 2546c98d5d94SLen Brown for_all_proc_cpus(initialize_counters); 2547c98d5d94SLen Brown } 25483b4d5c7fSAndy Shevchenko 2549103a8feaSLen Brown void turbostat_init() 2550103a8feaSLen Brown { 2551103a8feaSLen Brown check_dev_msr(); 255298481e79SLen Brown check_permissions(); 255398481e79SLen Brown check_cpuid(); 2554103a8feaSLen Brown 2555c98d5d94SLen Brown setup_all_buffers(); 2556103a8feaSLen Brown 2557d8af6f5fSLen Brown if (debug) 2558c98d5d94SLen Brown print_verbose_header(); 2559889facbeSLen Brown 2560d8af6f5fSLen Brown if (debug) 2561889facbeSLen Brown for_all_cpus(print_epb, ODD_COUNTERS); 2562889facbeSLen Brown 2563d8af6f5fSLen Brown if (debug) 25643a9a941dSLen Brown for_all_cpus(print_perf_limit, ODD_COUNTERS); 25653a9a941dSLen Brown 2566d8af6f5fSLen Brown if (debug) 2567889facbeSLen Brown for_all_cpus(print_rapl, ODD_COUNTERS); 2568889facbeSLen Brown 2569889facbeSLen Brown for_all_cpus(set_temperature_target, ODD_COUNTERS); 2570889facbeSLen Brown 2571d8af6f5fSLen Brown if (debug) 2572889facbeSLen Brown for_all_cpus(print_thermal, ODD_COUNTERS); 2573103a8feaSLen Brown } 2574103a8feaSLen Brown 2575103a8feaSLen Brown int fork_it(char **argv) 2576103a8feaSLen Brown { 2577103a8feaSLen Brown pid_t child_pid; 2578d91bb17cSLen Brown int status; 2579d15cf7c1SLen Brown 2580d91bb17cSLen Brown status = for_all_cpus(get_counters, EVEN_COUNTERS); 2581d91bb17cSLen Brown if (status) 2582d91bb17cSLen Brown exit(status); 2583d15cf7c1SLen Brown /* clear affinity side-effect of get_counters() */ 2584d15cf7c1SLen Brown sched_setaffinity(0, cpu_present_setsize, cpu_present_set); 2585103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 2586103a8feaSLen Brown 2587103a8feaSLen Brown child_pid = fork(); 2588103a8feaSLen Brown if (!child_pid) { 2589103a8feaSLen Brown /* child */ 2590103a8feaSLen Brown execvp(argv[0], argv); 2591103a8feaSLen Brown } else { 2592103a8feaSLen Brown 2593103a8feaSLen Brown /* parent */ 2594b2c95d90SJosh Triplett if (child_pid == -1) 2595b2c95d90SJosh Triplett err(1, "fork"); 2596103a8feaSLen Brown 2597103a8feaSLen Brown signal(SIGINT, SIG_IGN); 2598103a8feaSLen Brown signal(SIGQUIT, SIG_IGN); 2599b2c95d90SJosh Triplett if (waitpid(child_pid, &status, 0) == -1) 2600b2c95d90SJosh Triplett err(status, "waitpid"); 2601103a8feaSLen Brown } 2602c98d5d94SLen Brown /* 2603c98d5d94SLen Brown * n.b. fork_it() does not check for errors from for_all_cpus() 2604c98d5d94SLen Brown * because re-starting is problematic when forking 2605c98d5d94SLen Brown */ 2606c98d5d94SLen Brown for_all_cpus(get_counters, ODD_COUNTERS); 2607103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 2608103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 2609c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 2610c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 2611c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 2612c98d5d94SLen Brown flush_stderr(); 2613103a8feaSLen Brown 26146eab04a8SJustin P. Mattock fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); 2615103a8feaSLen Brown 2616d91bb17cSLen Brown return status; 2617103a8feaSLen Brown } 2618103a8feaSLen Brown 26193b4d5c7fSAndy Shevchenko int get_and_dump_counters(void) 26203b4d5c7fSAndy Shevchenko { 26213b4d5c7fSAndy Shevchenko int status; 26223b4d5c7fSAndy Shevchenko 26233b4d5c7fSAndy Shevchenko status = for_all_cpus(get_counters, ODD_COUNTERS); 26243b4d5c7fSAndy Shevchenko if (status) 26253b4d5c7fSAndy Shevchenko return status; 26263b4d5c7fSAndy Shevchenko 26273b4d5c7fSAndy Shevchenko status = for_all_cpus(dump_counters, ODD_COUNTERS); 26283b4d5c7fSAndy Shevchenko if (status) 26293b4d5c7fSAndy Shevchenko return status; 26303b4d5c7fSAndy Shevchenko 26313b4d5c7fSAndy Shevchenko flush_stdout(); 26323b4d5c7fSAndy Shevchenko 26333b4d5c7fSAndy Shevchenko return status; 26343b4d5c7fSAndy Shevchenko } 26353b4d5c7fSAndy Shevchenko 2636d8af6f5fSLen Brown void print_version() { 2637*48a0631cSLen Brown fprintf(stderr, "turbostat version 4.1 10-Feb, 2015" 2638d8af6f5fSLen Brown " - Len Brown <lenb@kernel.org>\n"); 2639d8af6f5fSLen Brown } 2640d8af6f5fSLen Brown 2641103a8feaSLen Brown void cmdline(int argc, char **argv) 2642103a8feaSLen Brown { 2643103a8feaSLen Brown int opt; 2644d8af6f5fSLen Brown int option_index = 0; 2645d8af6f5fSLen Brown static struct option long_options[] = { 2646d8af6f5fSLen Brown {"Counter", required_argument, 0, 'C'}, 2647d8af6f5fSLen Brown {"counter", required_argument, 0, 'c'}, 2648d8af6f5fSLen Brown {"Dump", no_argument, 0, 'D'}, 2649d8af6f5fSLen Brown {"debug", no_argument, 0, 'd'}, 2650d8af6f5fSLen Brown {"interval", required_argument, 0, 'i'}, 2651d8af6f5fSLen Brown {"help", no_argument, 0, 'h'}, 2652d8af6f5fSLen Brown {"Joules", no_argument, 0, 'J'}, 2653d8af6f5fSLen Brown {"MSR", required_argument, 0, 'M'}, 2654d8af6f5fSLen Brown {"msr", required_argument, 0, 'm'}, 2655d8af6f5fSLen Brown {"Package", no_argument, 0, 'p'}, 2656d8af6f5fSLen Brown {"processor", no_argument, 0, 'p'}, 2657d8af6f5fSLen Brown {"Summary", no_argument, 0, 'S'}, 2658d8af6f5fSLen Brown {"TCC", required_argument, 0, 'T'}, 2659d8af6f5fSLen Brown {"version", no_argument, 0, 'v' }, 2660d8af6f5fSLen Brown {0, 0, 0, 0 } 2661d8af6f5fSLen Brown }; 2662103a8feaSLen Brown 2663103a8feaSLen Brown progname = argv[0]; 2664103a8feaSLen Brown 2665d8af6f5fSLen Brown while ((opt = getopt_long_only(argc, argv, "C:c:Ddhi:JM:m:PpST:v", 2666d8af6f5fSLen Brown long_options, &option_index)) != -1) { 2667103a8feaSLen Brown switch (opt) { 2668d8af6f5fSLen Brown case 'C': 2669d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_delta_offset64); 2670103a8feaSLen Brown break; 2671f9240813SLen Brown case 'c': 26728e180f3cSLen Brown sscanf(optarg, "%x", &extra_delta_offset32); 26738e180f3cSLen Brown break; 2674d8af6f5fSLen Brown case 'D': 2675d8af6f5fSLen Brown dump_only++; 26768e180f3cSLen Brown break; 2677d8af6f5fSLen Brown case 'd': 2678d8af6f5fSLen Brown debug++; 26792f32edf1SLen Brown break; 2680d8af6f5fSLen Brown case 'h': 2681d8af6f5fSLen Brown default: 2682d8af6f5fSLen Brown help(); 2683d8af6f5fSLen Brown exit(1); 2684d8af6f5fSLen Brown case 'i': 2685d8af6f5fSLen Brown interval_sec = atoi(optarg); 2686889facbeSLen Brown break; 26875c56be9aSDirk Brandewie case 'J': 26885c56be9aSDirk Brandewie rapl_joules++; 26895c56be9aSDirk Brandewie break; 2690d8af6f5fSLen Brown case 'M': 2691d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset64); 2692d8af6f5fSLen Brown break; 2693d8af6f5fSLen Brown case 'm': 2694d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset32); 2695d8af6f5fSLen Brown break; 2696d8af6f5fSLen Brown case 'P': 2697d8af6f5fSLen Brown show_pkg_only++; 2698d8af6f5fSLen Brown break; 2699d8af6f5fSLen Brown case 'p': 2700d8af6f5fSLen Brown show_core_only++; 2701d8af6f5fSLen Brown break; 2702d8af6f5fSLen Brown case 'S': 2703d8af6f5fSLen Brown summary_only++; 2704d8af6f5fSLen Brown break; 2705d8af6f5fSLen Brown case 'T': 2706d8af6f5fSLen Brown tcc_activation_temp_override = atoi(optarg); 2707d8af6f5fSLen Brown break; 2708d8af6f5fSLen Brown case 'v': 2709d8af6f5fSLen Brown print_version(); 2710d8af6f5fSLen Brown exit(0); 2711d8af6f5fSLen Brown break; 2712103a8feaSLen Brown } 2713103a8feaSLen Brown } 2714103a8feaSLen Brown } 2715103a8feaSLen Brown 2716103a8feaSLen Brown int main(int argc, char **argv) 2717103a8feaSLen Brown { 2718103a8feaSLen Brown cmdline(argc, argv); 2719103a8feaSLen Brown 2720d8af6f5fSLen Brown if (debug) 2721d8af6f5fSLen Brown print_version(); 2722103a8feaSLen Brown 2723103a8feaSLen Brown turbostat_init(); 2724103a8feaSLen Brown 27253b4d5c7fSAndy Shevchenko /* dump counters and exit */ 27263b4d5c7fSAndy Shevchenko if (dump_only) 27273b4d5c7fSAndy Shevchenko return get_and_dump_counters(); 27283b4d5c7fSAndy Shevchenko 2729103a8feaSLen Brown /* 2730103a8feaSLen Brown * if any params left, it must be a command to fork 2731103a8feaSLen Brown */ 2732103a8feaSLen Brown if (argc - optind) 2733103a8feaSLen Brown return fork_it(argv + optind); 2734103a8feaSLen Brown else 2735103a8feaSLen Brown turbostat_loop(); 2736103a8feaSLen Brown 2737103a8feaSLen Brown return 0; 2738103a8feaSLen Brown } 2739