1103a8feaSLen Brown /* 2103a8feaSLen Brown * turbostat -- show CPU frequency and C-state residency 3103a8feaSLen Brown * on modern Intel turbo-capable processors. 4103a8feaSLen Brown * 5144b44b1SLen Brown * Copyright (c) 2013 Intel Corporation. 6103a8feaSLen Brown * Len Brown <len.brown@intel.com> 7103a8feaSLen Brown * 8103a8feaSLen Brown * This program is free software; you can redistribute it and/or modify it 9103a8feaSLen Brown * under the terms and conditions of the GNU General Public License, 10103a8feaSLen Brown * version 2, as published by the Free Software Foundation. 11103a8feaSLen Brown * 12103a8feaSLen Brown * This program is distributed in the hope it will be useful, but WITHOUT 13103a8feaSLen Brown * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14103a8feaSLen Brown * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15103a8feaSLen Brown * more details. 16103a8feaSLen Brown * 17103a8feaSLen Brown * You should have received a copy of the GNU General Public License along with 18103a8feaSLen Brown * this program; if not, write to the Free Software Foundation, Inc., 19103a8feaSLen Brown * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 20103a8feaSLen Brown */ 21103a8feaSLen Brown 2288c3281fSLen Brown #define _GNU_SOURCE 23b731f311SJosh Triplett #include MSRHEADER 2495aebc44SJosh Triplett #include <stdarg.h> 25103a8feaSLen Brown #include <stdio.h> 26b2c95d90SJosh Triplett #include <err.h> 27103a8feaSLen Brown #include <unistd.h> 28103a8feaSLen Brown #include <sys/types.h> 29103a8feaSLen Brown #include <sys/wait.h> 30103a8feaSLen Brown #include <sys/stat.h> 31103a8feaSLen Brown #include <sys/resource.h> 32103a8feaSLen Brown #include <fcntl.h> 33103a8feaSLen Brown #include <signal.h> 34103a8feaSLen Brown #include <sys/time.h> 35103a8feaSLen Brown #include <stdlib.h> 36d8af6f5fSLen Brown #include <getopt.h> 37103a8feaSLen Brown #include <dirent.h> 38103a8feaSLen Brown #include <string.h> 39103a8feaSLen Brown #include <ctype.h> 4088c3281fSLen Brown #include <sched.h> 412a0609c0SLen Brown #include <time.h> 422b92865eSJosh Triplett #include <cpuid.h> 4398481e79SLen Brown #include <linux/capability.h> 4498481e79SLen Brown #include <errno.h> 45103a8feaSLen Brown 46103a8feaSLen Brown char *proc_stat = "/proc/stat"; 472a0609c0SLen Brown struct timespec interval_ts = {5, 0}; 48d8af6f5fSLen Brown unsigned int debug; 49d8af6f5fSLen Brown unsigned int rapl_joules; 50d8af6f5fSLen Brown unsigned int summary_only; 51d8af6f5fSLen Brown unsigned int dump_only; 52103a8feaSLen Brown unsigned int skip_c0; 53103a8feaSLen Brown unsigned int skip_c1; 54103a8feaSLen Brown unsigned int do_nhm_cstates; 55103a8feaSLen Brown unsigned int do_snb_cstates; 56fb5d4327SDasaratharaman Chandramouli unsigned int do_knl_cstates; 57ee7e38e3SLen Brown unsigned int do_pc2; 58ee7e38e3SLen Brown unsigned int do_pc3; 59ee7e38e3SLen Brown unsigned int do_pc6; 60ee7e38e3SLen Brown unsigned int do_pc7; 61ca58710fSKristen Carlson Accardi unsigned int do_c8_c9_c10; 620b2bb692SLen Brown unsigned int do_skl_residency; 63144b44b1SLen Brown unsigned int do_slm_cstates; 64144b44b1SLen Brown unsigned int use_c1_residency_msr; 65103a8feaSLen Brown unsigned int has_aperf; 66889facbeSLen Brown unsigned int has_epb; 67fc04cc67SLen Brown unsigned int units = 1000000; /* MHz etc */ 68103a8feaSLen Brown unsigned int genuine_intel; 69103a8feaSLen Brown unsigned int has_invariant_tsc; 70d7899447SLen Brown unsigned int do_nhm_platform_info; 712f32edf1SLen Brown unsigned int extra_msr_offset32; 722f32edf1SLen Brown unsigned int extra_msr_offset64; 738e180f3cSLen Brown unsigned int extra_delta_offset32; 748e180f3cSLen Brown unsigned int extra_delta_offset64; 75b2b34dfeSHubert Chrzaniuk unsigned int aperf_mperf_multiplier = 1; 761ed51011SLen Brown int do_smi; 77103a8feaSLen Brown double bclk; 78a2b7b749SLen Brown double base_hz; 7921ed5574SLen Brown unsigned int has_base_hz; 80a2b7b749SLen Brown double tsc_tweak = 1.0; 81103a8feaSLen Brown unsigned int show_pkg; 82103a8feaSLen Brown unsigned int show_core; 83103a8feaSLen Brown unsigned int show_cpu; 84c98d5d94SLen Brown unsigned int show_pkg_only; 85c98d5d94SLen Brown unsigned int show_core_only; 86c98d5d94SLen Brown char *output_buffer, *outp; 87889facbeSLen Brown unsigned int do_rapl; 88889facbeSLen Brown unsigned int do_dts; 89889facbeSLen Brown unsigned int do_ptm; 90889facbeSLen Brown unsigned int tcc_activation_temp; 91889facbeSLen Brown unsigned int tcc_activation_temp_override; 9240ee8e3bSAndrey Semin double rapl_power_units, rapl_time_units; 9340ee8e3bSAndrey Semin double rapl_dram_energy_units, rapl_energy_units; 94889facbeSLen Brown double rapl_joule_counter_range; 953a9a941dSLen Brown unsigned int do_core_perf_limit_reasons; 963a9a941dSLen Brown unsigned int do_gfx_perf_limit_reasons; 973a9a941dSLen Brown unsigned int do_ring_perf_limit_reasons; 988a5bdf41SLen Brown unsigned int crystal_hz; 998a5bdf41SLen Brown unsigned long long tsc_hz; 1007ce7d5deSPrarit Bhargava int base_cpu; 10121ed5574SLen Brown double discover_bclk(unsigned int family, unsigned int model); 1027f5c258eSLen Brown unsigned int has_hwp; /* IA32_PM_ENABLE, IA32_HWP_CAPABILITIES */ 1037f5c258eSLen Brown /* IA32_HWP_REQUEST, IA32_HWP_STATUS */ 1047f5c258eSLen Brown unsigned int has_hwp_notify; /* IA32_HWP_INTERRUPT */ 1057f5c258eSLen Brown unsigned int has_hwp_activity_window; /* IA32_HWP_REQUEST[bits 41:32] */ 1067f5c258eSLen Brown unsigned int has_hwp_epp; /* IA32_HWP_REQUEST[bits 31:24] */ 1077f5c258eSLen Brown unsigned int has_hwp_pkg; /* IA32_HWP_REQUEST_PKG */ 108889facbeSLen Brown 109889facbeSLen Brown #define RAPL_PKG (1 << 0) 110e6f9bb3cSLen Brown /* 0x610 MSR_PKG_POWER_LIMIT */ 111e6f9bb3cSLen Brown /* 0x611 MSR_PKG_ENERGY_STATUS */ 112e6f9bb3cSLen Brown #define RAPL_PKG_PERF_STATUS (1 << 1) 113e6f9bb3cSLen Brown /* 0x613 MSR_PKG_PERF_STATUS */ 114e6f9bb3cSLen Brown #define RAPL_PKG_POWER_INFO (1 << 2) 115e6f9bb3cSLen Brown /* 0x614 MSR_PKG_POWER_INFO */ 116e6f9bb3cSLen Brown 117889facbeSLen Brown #define RAPL_DRAM (1 << 3) 118e6f9bb3cSLen Brown /* 0x618 MSR_DRAM_POWER_LIMIT */ 119e6f9bb3cSLen Brown /* 0x619 MSR_DRAM_ENERGY_STATUS */ 120e6f9bb3cSLen Brown #define RAPL_DRAM_PERF_STATUS (1 << 4) 121e6f9bb3cSLen Brown /* 0x61b MSR_DRAM_PERF_STATUS */ 1220b2bb692SLen Brown #define RAPL_DRAM_POWER_INFO (1 << 5) 1230b2bb692SLen Brown /* 0x61c MSR_DRAM_POWER_INFO */ 124e6f9bb3cSLen Brown 1250b2bb692SLen Brown #define RAPL_CORES (1 << 6) 126e6f9bb3cSLen Brown /* 0x638 MSR_PP0_POWER_LIMIT */ 127e6f9bb3cSLen Brown /* 0x639 MSR_PP0_ENERGY_STATUS */ 1280b2bb692SLen Brown #define RAPL_CORE_POLICY (1 << 7) 129e6f9bb3cSLen Brown /* 0x63a MSR_PP0_POLICY */ 130e6f9bb3cSLen Brown 1310b2bb692SLen Brown #define RAPL_GFX (1 << 8) 132e6f9bb3cSLen Brown /* 0x640 MSR_PP1_POWER_LIMIT */ 133e6f9bb3cSLen Brown /* 0x641 MSR_PP1_ENERGY_STATUS */ 134e6f9bb3cSLen Brown /* 0x642 MSR_PP1_POLICY */ 135889facbeSLen Brown #define TJMAX_DEFAULT 100 136889facbeSLen Brown 137889facbeSLen Brown #define MAX(a, b) ((a) > (b) ? (a) : (b)) 138103a8feaSLen Brown 139103a8feaSLen Brown int aperf_mperf_unstable; 140103a8feaSLen Brown int backwards_count; 141103a8feaSLen Brown char *progname; 142103a8feaSLen Brown 143c98d5d94SLen Brown cpu_set_t *cpu_present_set, *cpu_affinity_set; 144c98d5d94SLen Brown size_t cpu_present_setsize, cpu_affinity_setsize; 145c98d5d94SLen Brown 146c98d5d94SLen Brown struct thread_data { 147c98d5d94SLen Brown unsigned long long tsc; 148c98d5d94SLen Brown unsigned long long aperf; 149c98d5d94SLen Brown unsigned long long mperf; 150144b44b1SLen Brown unsigned long long c1; 1512f32edf1SLen Brown unsigned long long extra_msr64; 1528e180f3cSLen Brown unsigned long long extra_delta64; 1538e180f3cSLen Brown unsigned long long extra_msr32; 1548e180f3cSLen Brown unsigned long long extra_delta32; 1551ed51011SLen Brown unsigned int smi_count; 156c98d5d94SLen Brown unsigned int cpu_id; 157c98d5d94SLen Brown unsigned int flags; 158c98d5d94SLen Brown #define CPU_IS_FIRST_THREAD_IN_CORE 0x2 159c98d5d94SLen Brown #define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4 160c98d5d94SLen Brown } *thread_even, *thread_odd; 161c98d5d94SLen Brown 162c98d5d94SLen Brown struct core_data { 163c98d5d94SLen Brown unsigned long long c3; 164c98d5d94SLen Brown unsigned long long c6; 165c98d5d94SLen Brown unsigned long long c7; 166889facbeSLen Brown unsigned int core_temp_c; 167c98d5d94SLen Brown unsigned int core_id; 168c98d5d94SLen Brown } *core_even, *core_odd; 169c98d5d94SLen Brown 170c98d5d94SLen Brown struct pkg_data { 171c98d5d94SLen Brown unsigned long long pc2; 172c98d5d94SLen Brown unsigned long long pc3; 173c98d5d94SLen Brown unsigned long long pc6; 174c98d5d94SLen Brown unsigned long long pc7; 175ca58710fSKristen Carlson Accardi unsigned long long pc8; 176ca58710fSKristen Carlson Accardi unsigned long long pc9; 177ca58710fSKristen Carlson Accardi unsigned long long pc10; 1780b2bb692SLen Brown unsigned long long pkg_wtd_core_c0; 1790b2bb692SLen Brown unsigned long long pkg_any_core_c0; 1800b2bb692SLen Brown unsigned long long pkg_any_gfxe_c0; 1810b2bb692SLen Brown unsigned long long pkg_both_core_gfxe_c0; 182c98d5d94SLen Brown unsigned int package_id; 183889facbeSLen Brown unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */ 184889facbeSLen Brown unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */ 185889facbeSLen Brown unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */ 186889facbeSLen Brown unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */ 187889facbeSLen Brown unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */ 188889facbeSLen Brown unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */ 189889facbeSLen Brown unsigned int pkg_temp_c; 190889facbeSLen Brown 191c98d5d94SLen Brown } *package_even, *package_odd; 192c98d5d94SLen Brown 193c98d5d94SLen Brown #define ODD_COUNTERS thread_odd, core_odd, package_odd 194c98d5d94SLen Brown #define EVEN_COUNTERS thread_even, core_even, package_even 195c98d5d94SLen Brown 196c98d5d94SLen Brown #define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \ 197c98d5d94SLen Brown (thread_base + (pkg_no) * topo.num_cores_per_pkg * \ 198c98d5d94SLen Brown topo.num_threads_per_core + \ 199c98d5d94SLen Brown (core_no) * topo.num_threads_per_core + (thread_no)) 200c98d5d94SLen Brown #define GET_CORE(core_base, core_no, pkg_no) \ 201c98d5d94SLen Brown (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no)) 202c98d5d94SLen Brown #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no) 203c98d5d94SLen Brown 204c98d5d94SLen Brown struct system_summary { 205c98d5d94SLen Brown struct thread_data threads; 206c98d5d94SLen Brown struct core_data cores; 207c98d5d94SLen Brown struct pkg_data packages; 208c98d5d94SLen Brown } sum, average; 209c98d5d94SLen Brown 210c98d5d94SLen Brown 211c98d5d94SLen Brown struct topo_params { 212c98d5d94SLen Brown int num_packages; 213103a8feaSLen Brown int num_cpus; 214c98d5d94SLen Brown int num_cores; 215c98d5d94SLen Brown int max_cpu_num; 216c98d5d94SLen Brown int num_cores_per_pkg; 217c98d5d94SLen Brown int num_threads_per_core; 218c98d5d94SLen Brown } topo; 219103a8feaSLen Brown 220c98d5d94SLen Brown struct timeval tv_even, tv_odd, tv_delta; 221103a8feaSLen Brown 222c98d5d94SLen Brown void setup_all_buffers(void); 223103a8feaSLen Brown 224c98d5d94SLen Brown int cpu_is_not_present(int cpu) 225d15cf7c1SLen Brown { 226c98d5d94SLen Brown return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set); 227c98d5d94SLen Brown } 228c98d5d94SLen Brown /* 229c98d5d94SLen Brown * run func(thread, core, package) in topology order 230c98d5d94SLen Brown * skip non-present cpus 231c98d5d94SLen Brown */ 232c98d5d94SLen Brown 233c98d5d94SLen Brown int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *), 234c98d5d94SLen Brown struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base) 235c98d5d94SLen Brown { 236c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 237c98d5d94SLen Brown 238c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 239c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 240c98d5d94SLen Brown for (thread_no = 0; thread_no < 241c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 242c98d5d94SLen Brown struct thread_data *t; 243c98d5d94SLen Brown struct core_data *c; 244c98d5d94SLen Brown struct pkg_data *p; 245c98d5d94SLen Brown 246c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 247c98d5d94SLen Brown 248c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 249c98d5d94SLen Brown continue; 250c98d5d94SLen Brown 251c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 252c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 253c98d5d94SLen Brown 254c98d5d94SLen Brown retval = func(t, c, p); 255c98d5d94SLen Brown if (retval) 256c98d5d94SLen Brown return retval; 257c98d5d94SLen Brown } 258c98d5d94SLen Brown } 259c98d5d94SLen Brown } 260d15cf7c1SLen Brown return 0; 261d15cf7c1SLen Brown } 262d15cf7c1SLen Brown 26388c3281fSLen Brown int cpu_migrate(int cpu) 26488c3281fSLen Brown { 265c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 266c98d5d94SLen Brown CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set); 267c98d5d94SLen Brown if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1) 26888c3281fSLen Brown return -1; 26988c3281fSLen Brown else 27088c3281fSLen Brown return 0; 27188c3281fSLen Brown } 27288c3281fSLen Brown 27315aaa346SLen Brown int get_msr(int cpu, off_t offset, unsigned long long *msr) 274103a8feaSLen Brown { 275103a8feaSLen Brown ssize_t retval; 276103a8feaSLen Brown char pathname[32]; 277103a8feaSLen Brown int fd; 278103a8feaSLen Brown 279103a8feaSLen Brown sprintf(pathname, "/dev/cpu/%d/msr", cpu); 280103a8feaSLen Brown fd = open(pathname, O_RDONLY); 28115aaa346SLen Brown if (fd < 0) 28298481e79SLen Brown err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname); 283103a8feaSLen Brown 28415aaa346SLen Brown retval = pread(fd, msr, sizeof *msr, offset); 285103a8feaSLen Brown close(fd); 28615aaa346SLen Brown 28798481e79SLen Brown if (retval != sizeof *msr) 28898481e79SLen Brown err(-1, "%s offset 0x%llx read failed", pathname, (unsigned long long)offset); 28915aaa346SLen Brown 29015aaa346SLen Brown return 0; 291103a8feaSLen Brown } 292103a8feaSLen Brown 293fc04cc67SLen Brown /* 294fc04cc67SLen Brown * Example Format w/ field column widths: 295fc04cc67SLen Brown * 296*75d2e44eSLen 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 297e7c95ff3SLen Brown * 123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678 298fc04cc67SLen Brown */ 299fc04cc67SLen Brown 300a829eb4dSLen Brown void print_header(void) 301103a8feaSLen Brown { 302103a8feaSLen Brown if (show_pkg) 303fc04cc67SLen Brown outp += sprintf(outp, " Package"); 304103a8feaSLen Brown if (show_core) 305fc04cc67SLen Brown outp += sprintf(outp, " Core"); 306103a8feaSLen Brown if (show_cpu) 307c98d5d94SLen Brown outp += sprintf(outp, " CPU"); 308103a8feaSLen Brown if (has_aperf) 309fc04cc67SLen Brown outp += sprintf(outp, " Avg_MHz"); 310d7899447SLen Brown if (has_aperf) 311*75d2e44eSLen Brown outp += sprintf(outp, " Busy%%"); 312fc04cc67SLen Brown if (has_aperf) 313fc04cc67SLen Brown outp += sprintf(outp, " Bzy_MHz"); 314fc04cc67SLen Brown outp += sprintf(outp, " TSC_MHz"); 3151cc21f7bSLen Brown 3168e180f3cSLen Brown if (extra_delta_offset32) 317f9240813SLen Brown outp += sprintf(outp, " count 0x%03X", extra_delta_offset32); 3188e180f3cSLen Brown if (extra_delta_offset64) 319f9240813SLen Brown outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64); 3202f32edf1SLen Brown if (extra_msr_offset32) 3218e180f3cSLen Brown outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32); 3222f32edf1SLen Brown if (extra_msr_offset64) 3238e180f3cSLen Brown outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64); 3241cc21f7bSLen Brown 3251cc21f7bSLen Brown if (!debug) 3261cc21f7bSLen Brown goto done; 3271cc21f7bSLen Brown 3281cc21f7bSLen Brown if (do_smi) 3291cc21f7bSLen Brown outp += sprintf(outp, " SMI"); 3301cc21f7bSLen Brown 331103a8feaSLen Brown if (do_nhm_cstates) 332fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c1"); 333fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) 334fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c3"); 335103a8feaSLen Brown if (do_nhm_cstates) 336fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c6"); 337103a8feaSLen Brown if (do_snb_cstates) 338fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c7"); 339889facbeSLen Brown 340889facbeSLen Brown if (do_dts) 341fc04cc67SLen Brown outp += sprintf(outp, " CoreTmp"); 342889facbeSLen Brown if (do_ptm) 343fc04cc67SLen Brown outp += sprintf(outp, " PkgTmp"); 344889facbeSLen Brown 3450b2bb692SLen Brown if (do_skl_residency) { 3460b2bb692SLen Brown outp += sprintf(outp, " Totl%%C0"); 3470b2bb692SLen Brown outp += sprintf(outp, " Any%%C0"); 3480b2bb692SLen Brown outp += sprintf(outp, " GFX%%C0"); 3490b2bb692SLen Brown outp += sprintf(outp, " CPUGFX%%"); 3500b2bb692SLen Brown } 3510b2bb692SLen Brown 352ee7e38e3SLen Brown if (do_pc2) 353fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc2"); 354ee7e38e3SLen Brown if (do_pc3) 355fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc3"); 356ee7e38e3SLen Brown if (do_pc6) 357fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc6"); 358ee7e38e3SLen Brown if (do_pc7) 359fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc7"); 360ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 361fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc8"); 362fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc9"); 363fc04cc67SLen Brown outp += sprintf(outp, " Pk%%pc10"); 364ca58710fSKristen Carlson Accardi } 365103a8feaSLen Brown 3665c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 367889facbeSLen Brown if (do_rapl & RAPL_PKG) 368fc04cc67SLen Brown outp += sprintf(outp, " PkgWatt"); 369889facbeSLen Brown if (do_rapl & RAPL_CORES) 370fc04cc67SLen Brown outp += sprintf(outp, " CorWatt"); 371889facbeSLen Brown if (do_rapl & RAPL_GFX) 372fc04cc67SLen Brown outp += sprintf(outp, " GFXWatt"); 373889facbeSLen Brown if (do_rapl & RAPL_DRAM) 374fc04cc67SLen Brown outp += sprintf(outp, " RAMWatt"); 375889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 376889facbeSLen Brown outp += sprintf(outp, " PKG_%%"); 377889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 378889facbeSLen Brown outp += sprintf(outp, " RAM_%%"); 379d7899447SLen Brown } else if (do_rapl && rapl_joules) { 3805c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 3815c56be9aSDirk Brandewie outp += sprintf(outp, " Pkg_J"); 3825c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 3835c56be9aSDirk Brandewie outp += sprintf(outp, " Cor_J"); 3845c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 3855c56be9aSDirk Brandewie outp += sprintf(outp, " GFX_J"); 3865c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 387bd6906edSLen Brown outp += sprintf(outp, " RAM_J"); 3885c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 3895c56be9aSDirk Brandewie outp += sprintf(outp, " PKG_%%"); 3905c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 3915c56be9aSDirk Brandewie outp += sprintf(outp, " RAM_%%"); 3925c56be9aSDirk Brandewie outp += sprintf(outp, " time"); 393889facbeSLen Brown 3945c56be9aSDirk Brandewie } 3951cc21f7bSLen Brown done: 396c98d5d94SLen Brown outp += sprintf(outp, "\n"); 397103a8feaSLen Brown } 398103a8feaSLen Brown 399c98d5d94SLen Brown int dump_counters(struct thread_data *t, struct core_data *c, 400c98d5d94SLen Brown struct pkg_data *p) 401103a8feaSLen Brown { 4023b4d5c7fSAndy Shevchenko outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p); 403c98d5d94SLen Brown 404c98d5d94SLen Brown if (t) { 4053b4d5c7fSAndy Shevchenko outp += sprintf(outp, "CPU: %d flags 0x%x\n", 4063b4d5c7fSAndy Shevchenko t->cpu_id, t->flags); 4073b4d5c7fSAndy Shevchenko outp += sprintf(outp, "TSC: %016llX\n", t->tsc); 4083b4d5c7fSAndy Shevchenko outp += sprintf(outp, "aperf: %016llX\n", t->aperf); 4093b4d5c7fSAndy Shevchenko outp += sprintf(outp, "mperf: %016llX\n", t->mperf); 4103b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c1: %016llX\n", t->c1); 4113b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 4128e180f3cSLen Brown extra_delta_offset32, t->extra_delta32); 4133b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 4148e180f3cSLen Brown extra_delta_offset64, t->extra_delta64); 4153b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 4162f32edf1SLen Brown extra_msr_offset32, t->extra_msr32); 4173b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 4182f32edf1SLen Brown extra_msr_offset64, t->extra_msr64); 4191ed51011SLen Brown if (do_smi) 4203b4d5c7fSAndy Shevchenko outp += sprintf(outp, "SMI: %08X\n", t->smi_count); 421103a8feaSLen Brown } 422103a8feaSLen Brown 423c98d5d94SLen Brown if (c) { 4243b4d5c7fSAndy Shevchenko outp += sprintf(outp, "core: %d\n", c->core_id); 4253b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c3: %016llX\n", c->c3); 4263b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c6: %016llX\n", c->c6); 4273b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c7: %016llX\n", c->c7); 4283b4d5c7fSAndy Shevchenko outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c); 429c98d5d94SLen Brown } 430103a8feaSLen Brown 431c98d5d94SLen Brown if (p) { 4323b4d5c7fSAndy Shevchenko outp += sprintf(outp, "package: %d\n", p->package_id); 4330b2bb692SLen Brown 4340b2bb692SLen Brown outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0); 4350b2bb692SLen Brown outp += sprintf(outp, "Any cores: %016llX\n", p->pkg_any_core_c0); 4360b2bb692SLen Brown outp += sprintf(outp, "Any GFX: %016llX\n", p->pkg_any_gfxe_c0); 4370b2bb692SLen Brown outp += sprintf(outp, "CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0); 4380b2bb692SLen Brown 4393b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc2: %016llX\n", p->pc2); 440ee7e38e3SLen Brown if (do_pc3) 4413b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc3: %016llX\n", p->pc3); 442ee7e38e3SLen Brown if (do_pc6) 4433b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc6: %016llX\n", p->pc6); 444ee7e38e3SLen Brown if (do_pc7) 4453b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc7: %016llX\n", p->pc7); 4463b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc8: %016llX\n", p->pc8); 4473b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc9: %016llX\n", p->pc9); 4483b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc10: %016llX\n", p->pc10); 4493b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg); 4503b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores); 4513b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx); 4523b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram); 4533b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle PKG: %0X\n", 4543b4d5c7fSAndy Shevchenko p->rapl_pkg_perf_status); 4553b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle RAM: %0X\n", 4563b4d5c7fSAndy Shevchenko p->rapl_dram_perf_status); 4573b4d5c7fSAndy Shevchenko outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c); 458c98d5d94SLen Brown } 4593b4d5c7fSAndy Shevchenko 4603b4d5c7fSAndy Shevchenko outp += sprintf(outp, "\n"); 4613b4d5c7fSAndy Shevchenko 462c98d5d94SLen Brown return 0; 463103a8feaSLen Brown } 464103a8feaSLen Brown 465e23da037SLen Brown /* 466e23da037SLen Brown * column formatting convention & formats 467e23da037SLen Brown */ 468c98d5d94SLen Brown int format_counters(struct thread_data *t, struct core_data *c, 469c98d5d94SLen Brown struct pkg_data *p) 470103a8feaSLen Brown { 471103a8feaSLen Brown double interval_float; 472fc04cc67SLen Brown char *fmt8; 473103a8feaSLen Brown 474c98d5d94SLen Brown /* if showing only 1st thread in core and this isn't one, bail out */ 475c98d5d94SLen Brown if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 476c98d5d94SLen Brown return 0; 477c98d5d94SLen Brown 478c98d5d94SLen Brown /* if showing only 1st thread in pkg and this isn't one, bail out */ 479c98d5d94SLen Brown if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 480c98d5d94SLen Brown return 0; 481c98d5d94SLen Brown 482103a8feaSLen Brown interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0; 483103a8feaSLen Brown 484c98d5d94SLen Brown /* topo columns, print blanks on 1st (average) line */ 485c98d5d94SLen Brown if (t == &average.threads) { 486103a8feaSLen Brown if (show_pkg) 487fc04cc67SLen Brown outp += sprintf(outp, " -"); 488103a8feaSLen Brown if (show_core) 489fc04cc67SLen Brown outp += sprintf(outp, " -"); 490103a8feaSLen Brown if (show_cpu) 491fc04cc67SLen Brown outp += sprintf(outp, " -"); 492103a8feaSLen Brown } else { 493c98d5d94SLen Brown if (show_pkg) { 494c98d5d94SLen Brown if (p) 495fc04cc67SLen Brown outp += sprintf(outp, "%8d", p->package_id); 496c98d5d94SLen Brown else 497fc04cc67SLen Brown outp += sprintf(outp, " -"); 498c98d5d94SLen Brown } 499c98d5d94SLen Brown if (show_core) { 500c98d5d94SLen Brown if (c) 501fc04cc67SLen Brown outp += sprintf(outp, "%8d", c->core_id); 502c98d5d94SLen Brown else 503fc04cc67SLen Brown outp += sprintf(outp, " -"); 504c98d5d94SLen Brown } 505103a8feaSLen Brown if (show_cpu) 506fc04cc67SLen Brown outp += sprintf(outp, "%8d", t->cpu_id); 507103a8feaSLen Brown } 508fc04cc67SLen Brown 509d7899447SLen Brown /* Avg_MHz */ 510fc04cc67SLen Brown if (has_aperf) 511fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 512fc04cc67SLen Brown 1.0 / units * t->aperf / interval_float); 513fc04cc67SLen Brown 514*75d2e44eSLen Brown /* Busy% */ 515d7899447SLen Brown if (has_aperf) { 516103a8feaSLen Brown if (!skip_c0) 517a2b7b749SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * t->mperf/t->tsc/tsc_tweak); 518103a8feaSLen Brown else 519fc04cc67SLen Brown outp += sprintf(outp, "********"); 520103a8feaSLen Brown } 521103a8feaSLen Brown 522d7899447SLen Brown /* Bzy_MHz */ 52321ed5574SLen Brown if (has_aperf) { 52421ed5574SLen Brown if (has_base_hz) 52521ed5574SLen Brown outp += sprintf(outp, "%8.0f", base_hz / units * t->aperf / t->mperf); 52621ed5574SLen Brown else 527fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 52821ed5574SLen Brown 1.0 * t->tsc / units * t->aperf / t->mperf / interval_float); 52921ed5574SLen Brown } 530103a8feaSLen Brown 531d7899447SLen Brown /* TSC_MHz */ 532fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 1.0 * t->tsc/units/interval_float); 533103a8feaSLen Brown 5348e180f3cSLen Brown /* delta */ 5358e180f3cSLen Brown if (extra_delta_offset32) 5368e180f3cSLen Brown outp += sprintf(outp, " %11llu", t->extra_delta32); 5378e180f3cSLen Brown 5388e180f3cSLen Brown /* DELTA */ 5398e180f3cSLen Brown if (extra_delta_offset64) 5408e180f3cSLen Brown outp += sprintf(outp, " %11llu", t->extra_delta64); 5412f32edf1SLen Brown /* msr */ 5422f32edf1SLen Brown if (extra_msr_offset32) 5438e180f3cSLen Brown outp += sprintf(outp, " 0x%08llx", t->extra_msr32); 5442f32edf1SLen Brown 545130ff304SLen Brown /* MSR */ 5462f32edf1SLen Brown if (extra_msr_offset64) 5472f32edf1SLen Brown outp += sprintf(outp, " 0x%016llx", t->extra_msr64); 548130ff304SLen Brown 5491cc21f7bSLen Brown if (!debug) 5501cc21f7bSLen Brown goto done; 5511cc21f7bSLen Brown 5521cc21f7bSLen Brown /* SMI */ 5531cc21f7bSLen Brown if (do_smi) 5541cc21f7bSLen Brown outp += sprintf(outp, "%8d", t->smi_count); 5551cc21f7bSLen Brown 556103a8feaSLen Brown if (do_nhm_cstates) { 557103a8feaSLen Brown if (!skip_c1) 558fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * t->c1/t->tsc); 559103a8feaSLen Brown else 560fc04cc67SLen Brown outp += sprintf(outp, "********"); 561103a8feaSLen Brown } 562c98d5d94SLen Brown 563c98d5d94SLen Brown /* print per-core data only for 1st thread in core */ 564c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 565c98d5d94SLen Brown goto done; 566c98d5d94SLen Brown 567fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) 568fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c3/t->tsc); 569103a8feaSLen Brown if (do_nhm_cstates) 570fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c6/t->tsc); 571103a8feaSLen Brown if (do_snb_cstates) 572fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c7/t->tsc); 573c98d5d94SLen Brown 574889facbeSLen Brown if (do_dts) 575fc04cc67SLen Brown outp += sprintf(outp, "%8d", c->core_temp_c); 576889facbeSLen Brown 577c98d5d94SLen Brown /* print per-package data only for 1st core in package */ 578c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 579c98d5d94SLen Brown goto done; 580c98d5d94SLen Brown 5810b2bb692SLen Brown /* PkgTmp */ 582889facbeSLen Brown if (do_ptm) 583fc04cc67SLen Brown outp += sprintf(outp, "%8d", p->pkg_temp_c); 584889facbeSLen Brown 5850b2bb692SLen Brown /* Totl%C0, Any%C0 GFX%C0 CPUGFX% */ 5860b2bb692SLen Brown if (do_skl_residency) { 5870b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_wtd_core_c0/t->tsc); 5880b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_core_c0/t->tsc); 5890b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_gfxe_c0/t->tsc); 5900b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_both_core_gfxe_c0/t->tsc); 5910b2bb692SLen Brown } 5920b2bb692SLen Brown 593ee7e38e3SLen Brown if (do_pc2) 594fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc2/t->tsc); 595ee7e38e3SLen Brown if (do_pc3) 596fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc3/t->tsc); 597ee7e38e3SLen Brown if (do_pc6) 598fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc6/t->tsc); 599ee7e38e3SLen Brown if (do_pc7) 600fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc7/t->tsc); 601ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 602fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc8/t->tsc); 603fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc9/t->tsc); 604fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc10/t->tsc); 605ca58710fSKristen Carlson Accardi } 606889facbeSLen Brown 607889facbeSLen Brown /* 608889facbeSLen Brown * If measurement interval exceeds minimum RAPL Joule Counter range, 609889facbeSLen Brown * indicate that results are suspect by printing "**" in fraction place. 610889facbeSLen Brown */ 611fc04cc67SLen Brown if (interval_float < rapl_joule_counter_range) 612fc04cc67SLen Brown fmt8 = "%8.2f"; 613fc04cc67SLen Brown else 614fc04cc67SLen Brown fmt8 = " %6.0f**"; 615889facbeSLen Brown 6165c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 617889facbeSLen Brown if (do_rapl & RAPL_PKG) 618fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float); 619889facbeSLen Brown if (do_rapl & RAPL_CORES) 620fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float); 621889facbeSLen Brown if (do_rapl & RAPL_GFX) 622fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float); 623889facbeSLen Brown if (do_rapl & RAPL_DRAM) 62440ee8e3bSAndrey Semin outp += sprintf(outp, fmt8, p->energy_dram * rapl_dram_energy_units / interval_float); 625889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 626fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 627889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 628fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 629d7899447SLen Brown } else if (do_rapl && rapl_joules) { 6305c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 631fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6325c56be9aSDirk Brandewie p->energy_pkg * rapl_energy_units); 6335c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 634fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6355c56be9aSDirk Brandewie p->energy_cores * rapl_energy_units); 6365c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 637fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6385c56be9aSDirk Brandewie p->energy_gfx * rapl_energy_units); 6395c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 640fc04cc67SLen Brown outp += sprintf(outp, fmt8, 64140ee8e3bSAndrey Semin p->energy_dram * rapl_dram_energy_units); 6425c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 643fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 6445c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 645fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 646889facbeSLen Brown 647d7899447SLen Brown outp += sprintf(outp, fmt8, interval_float); 6485c56be9aSDirk Brandewie } 649c98d5d94SLen Brown done: 650c98d5d94SLen Brown outp += sprintf(outp, "\n"); 651c98d5d94SLen Brown 652c98d5d94SLen Brown return 0; 653103a8feaSLen Brown } 654103a8feaSLen Brown 655c98d5d94SLen Brown void flush_stdout() 656103a8feaSLen Brown { 657c98d5d94SLen Brown fputs(output_buffer, stdout); 658ddac0d68SLen Brown fflush(stdout); 659c98d5d94SLen Brown outp = output_buffer; 660c98d5d94SLen Brown } 661c98d5d94SLen Brown void flush_stderr() 662c98d5d94SLen Brown { 663c98d5d94SLen Brown fputs(output_buffer, stderr); 664c98d5d94SLen Brown outp = output_buffer; 665c98d5d94SLen Brown } 666c98d5d94SLen Brown void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 667c98d5d94SLen Brown { 668e23da037SLen Brown static int printed; 669103a8feaSLen Brown 670e23da037SLen Brown if (!printed || !summary_only) 671103a8feaSLen Brown print_header(); 672103a8feaSLen Brown 673c98d5d94SLen Brown if (topo.num_cpus > 1) 674c98d5d94SLen Brown format_counters(&average.threads, &average.cores, 675c98d5d94SLen Brown &average.packages); 676103a8feaSLen Brown 677e23da037SLen Brown printed = 1; 678e23da037SLen Brown 679e23da037SLen Brown if (summary_only) 680e23da037SLen Brown return; 681e23da037SLen Brown 682c98d5d94SLen Brown for_all_cpus(format_counters, t, c, p); 683103a8feaSLen Brown } 684103a8feaSLen Brown 685889facbeSLen Brown #define DELTA_WRAP32(new, old) \ 686889facbeSLen Brown if (new > old) { \ 687889facbeSLen Brown old = new - old; \ 688889facbeSLen Brown } else { \ 689889facbeSLen Brown old = 0x100000000 + new - old; \ 690889facbeSLen Brown } 691889facbeSLen Brown 692c98d5d94SLen Brown void 693c98d5d94SLen Brown delta_package(struct pkg_data *new, struct pkg_data *old) 694103a8feaSLen Brown { 6950b2bb692SLen Brown 6960b2bb692SLen Brown if (do_skl_residency) { 6970b2bb692SLen Brown old->pkg_wtd_core_c0 = new->pkg_wtd_core_c0 - old->pkg_wtd_core_c0; 6980b2bb692SLen Brown old->pkg_any_core_c0 = new->pkg_any_core_c0 - old->pkg_any_core_c0; 6990b2bb692SLen Brown old->pkg_any_gfxe_c0 = new->pkg_any_gfxe_c0 - old->pkg_any_gfxe_c0; 7000b2bb692SLen Brown old->pkg_both_core_gfxe_c0 = new->pkg_both_core_gfxe_c0 - old->pkg_both_core_gfxe_c0; 7010b2bb692SLen Brown } 702c98d5d94SLen Brown old->pc2 = new->pc2 - old->pc2; 703ee7e38e3SLen Brown if (do_pc3) 704c98d5d94SLen Brown old->pc3 = new->pc3 - old->pc3; 705ee7e38e3SLen Brown if (do_pc6) 706c98d5d94SLen Brown old->pc6 = new->pc6 - old->pc6; 707ee7e38e3SLen Brown if (do_pc7) 708c98d5d94SLen Brown old->pc7 = new->pc7 - old->pc7; 709ca58710fSKristen Carlson Accardi old->pc8 = new->pc8 - old->pc8; 710ca58710fSKristen Carlson Accardi old->pc9 = new->pc9 - old->pc9; 711ca58710fSKristen Carlson Accardi old->pc10 = new->pc10 - old->pc10; 712889facbeSLen Brown old->pkg_temp_c = new->pkg_temp_c; 713889facbeSLen Brown 714889facbeSLen Brown DELTA_WRAP32(new->energy_pkg, old->energy_pkg); 715889facbeSLen Brown DELTA_WRAP32(new->energy_cores, old->energy_cores); 716889facbeSLen Brown DELTA_WRAP32(new->energy_gfx, old->energy_gfx); 717889facbeSLen Brown DELTA_WRAP32(new->energy_dram, old->energy_dram); 718889facbeSLen Brown DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status); 719889facbeSLen Brown DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status); 720103a8feaSLen Brown } 721103a8feaSLen Brown 722c98d5d94SLen Brown void 723c98d5d94SLen Brown delta_core(struct core_data *new, struct core_data *old) 724c98d5d94SLen Brown { 725c98d5d94SLen Brown old->c3 = new->c3 - old->c3; 726c98d5d94SLen Brown old->c6 = new->c6 - old->c6; 727c98d5d94SLen Brown old->c7 = new->c7 - old->c7; 728889facbeSLen Brown old->core_temp_c = new->core_temp_c; 729103a8feaSLen Brown } 730c98d5d94SLen Brown 731c3ae331dSLen Brown /* 732c3ae331dSLen Brown * old = new - old 733c3ae331dSLen Brown */ 734c98d5d94SLen Brown void 735c98d5d94SLen Brown delta_thread(struct thread_data *new, struct thread_data *old, 736c98d5d94SLen Brown struct core_data *core_delta) 737c98d5d94SLen Brown { 738c98d5d94SLen Brown old->tsc = new->tsc - old->tsc; 739c98d5d94SLen Brown 740103a8feaSLen Brown /* check for TSC < 1 Mcycles over interval */ 741b2c95d90SJosh Triplett if (old->tsc < (1000 * 1000)) 742b2c95d90SJosh Triplett errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n" 743b2c95d90SJosh Triplett "You can disable all c-states by booting with \"idle=poll\"\n" 744b2c95d90SJosh Triplett "or just the deep ones with \"processor.max_cstate=1\""); 745103a8feaSLen Brown 746c98d5d94SLen Brown old->c1 = new->c1 - old->c1; 747c98d5d94SLen Brown 748a729617cSLen Brown if (has_aperf) { 749c98d5d94SLen Brown if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) { 750c98d5d94SLen Brown old->aperf = new->aperf - old->aperf; 751c98d5d94SLen Brown old->mperf = new->mperf - old->mperf; 752c98d5d94SLen Brown } else { 753c98d5d94SLen Brown 754103a8feaSLen Brown if (!aperf_mperf_unstable) { 755103a8feaSLen Brown fprintf(stderr, "%s: APERF or MPERF went backwards *\n", progname); 756103a8feaSLen Brown fprintf(stderr, "* Frequency results do not cover entire interval *\n"); 757103a8feaSLen Brown fprintf(stderr, "* fix this by running Linux-2.6.30 or later *\n"); 758103a8feaSLen Brown 759103a8feaSLen Brown aperf_mperf_unstable = 1; 760103a8feaSLen Brown } 761103a8feaSLen Brown /* 762103a8feaSLen Brown * mperf delta is likely a huge "positive" number 763103a8feaSLen Brown * can not use it for calculating c0 time 764103a8feaSLen Brown */ 765103a8feaSLen Brown skip_c0 = 1; 766103a8feaSLen Brown skip_c1 = 1; 767103a8feaSLen Brown } 768a729617cSLen Brown } 769103a8feaSLen Brown 770c98d5d94SLen Brown 771144b44b1SLen Brown if (use_c1_residency_msr) { 772144b44b1SLen Brown /* 773144b44b1SLen Brown * Some models have a dedicated C1 residency MSR, 774144b44b1SLen Brown * which should be more accurate than the derivation below. 775144b44b1SLen Brown */ 776144b44b1SLen Brown } else { 777103a8feaSLen Brown /* 778c3ae331dSLen Brown * As counter collection is not atomic, 779c3ae331dSLen Brown * it is possible for mperf's non-halted cycles + idle states 780103a8feaSLen Brown * to exceed TSC's all cycles: show c1 = 0% in that case. 781103a8feaSLen Brown */ 782c3ae331dSLen Brown if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc) 783c98d5d94SLen Brown old->c1 = 0; 784c98d5d94SLen Brown else { 785c98d5d94SLen Brown /* normal case, derive c1 */ 786c98d5d94SLen Brown old->c1 = old->tsc - old->mperf - core_delta->c3 787c98d5d94SLen Brown - core_delta->c6 - core_delta->c7; 788c98d5d94SLen Brown } 789144b44b1SLen Brown } 790c3ae331dSLen Brown 791c98d5d94SLen Brown if (old->mperf == 0) { 792d8af6f5fSLen Brown if (debug > 1) fprintf(stderr, "cpu%d MPERF 0!\n", old->cpu_id); 793c98d5d94SLen Brown old->mperf = 1; /* divide by 0 protection */ 794c98d5d94SLen Brown } 795103a8feaSLen Brown 7968e180f3cSLen Brown old->extra_delta32 = new->extra_delta32 - old->extra_delta32; 7978e180f3cSLen Brown old->extra_delta32 &= 0xFFFFFFFF; 7988e180f3cSLen Brown 7998e180f3cSLen Brown old->extra_delta64 = new->extra_delta64 - old->extra_delta64; 8008e180f3cSLen Brown 801103a8feaSLen Brown /* 8028e180f3cSLen Brown * Extra MSR is just a snapshot, simply copy latest w/o subtracting 803103a8feaSLen Brown */ 8042f32edf1SLen Brown old->extra_msr32 = new->extra_msr32; 8052f32edf1SLen Brown old->extra_msr64 = new->extra_msr64; 8061ed51011SLen Brown 8071ed51011SLen Brown if (do_smi) 8081ed51011SLen Brown old->smi_count = new->smi_count - old->smi_count; 809103a8feaSLen Brown } 810c98d5d94SLen Brown 811c98d5d94SLen Brown int delta_cpu(struct thread_data *t, struct core_data *c, 812c98d5d94SLen Brown struct pkg_data *p, struct thread_data *t2, 813c98d5d94SLen Brown struct core_data *c2, struct pkg_data *p2) 814c98d5d94SLen Brown { 815c98d5d94SLen Brown /* calculate core delta only for 1st thread in core */ 816c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE) 817c98d5d94SLen Brown delta_core(c, c2); 818c98d5d94SLen Brown 819c98d5d94SLen Brown /* always calculate thread delta */ 820c98d5d94SLen Brown delta_thread(t, t2, c2); /* c2 is core delta */ 821c98d5d94SLen Brown 822c98d5d94SLen Brown /* calculate package delta only for 1st core in package */ 823c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE) 824c98d5d94SLen Brown delta_package(p, p2); 825c98d5d94SLen Brown 826103a8feaSLen Brown return 0; 827103a8feaSLen Brown } 828103a8feaSLen Brown 829c98d5d94SLen Brown void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 830103a8feaSLen Brown { 831c98d5d94SLen Brown t->tsc = 0; 832c98d5d94SLen Brown t->aperf = 0; 833c98d5d94SLen Brown t->mperf = 0; 834c98d5d94SLen Brown t->c1 = 0; 835103a8feaSLen Brown 8361ed51011SLen Brown t->smi_count = 0; 8378e180f3cSLen Brown t->extra_delta32 = 0; 8388e180f3cSLen Brown t->extra_delta64 = 0; 8398e180f3cSLen Brown 840c98d5d94SLen Brown /* tells format_counters to dump all fields from this set */ 841c98d5d94SLen Brown t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE; 842c98d5d94SLen Brown 843c98d5d94SLen Brown c->c3 = 0; 844c98d5d94SLen Brown c->c6 = 0; 845c98d5d94SLen Brown c->c7 = 0; 846889facbeSLen Brown c->core_temp_c = 0; 847c98d5d94SLen Brown 8480b2bb692SLen Brown p->pkg_wtd_core_c0 = 0; 8490b2bb692SLen Brown p->pkg_any_core_c0 = 0; 8500b2bb692SLen Brown p->pkg_any_gfxe_c0 = 0; 8510b2bb692SLen Brown p->pkg_both_core_gfxe_c0 = 0; 8520b2bb692SLen Brown 853c98d5d94SLen Brown p->pc2 = 0; 854ee7e38e3SLen Brown if (do_pc3) 855c98d5d94SLen Brown p->pc3 = 0; 856ee7e38e3SLen Brown if (do_pc6) 857c98d5d94SLen Brown p->pc6 = 0; 858ee7e38e3SLen Brown if (do_pc7) 859c98d5d94SLen Brown p->pc7 = 0; 860ca58710fSKristen Carlson Accardi p->pc8 = 0; 861ca58710fSKristen Carlson Accardi p->pc9 = 0; 862ca58710fSKristen Carlson Accardi p->pc10 = 0; 863889facbeSLen Brown 864889facbeSLen Brown p->energy_pkg = 0; 865889facbeSLen Brown p->energy_dram = 0; 866889facbeSLen Brown p->energy_cores = 0; 867889facbeSLen Brown p->energy_gfx = 0; 868889facbeSLen Brown p->rapl_pkg_perf_status = 0; 869889facbeSLen Brown p->rapl_dram_perf_status = 0; 870889facbeSLen Brown p->pkg_temp_c = 0; 871103a8feaSLen Brown } 872c98d5d94SLen Brown int sum_counters(struct thread_data *t, struct core_data *c, 873c98d5d94SLen Brown struct pkg_data *p) 874103a8feaSLen Brown { 875c98d5d94SLen Brown average.threads.tsc += t->tsc; 876c98d5d94SLen Brown average.threads.aperf += t->aperf; 877c98d5d94SLen Brown average.threads.mperf += t->mperf; 878c98d5d94SLen Brown average.threads.c1 += t->c1; 87915aaa346SLen Brown 8808e180f3cSLen Brown average.threads.extra_delta32 += t->extra_delta32; 8818e180f3cSLen Brown average.threads.extra_delta64 += t->extra_delta64; 8828e180f3cSLen Brown 883c98d5d94SLen Brown /* sum per-core values only for 1st thread in core */ 884c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 885c98d5d94SLen Brown return 0; 886c98d5d94SLen Brown 887c98d5d94SLen Brown average.cores.c3 += c->c3; 888c98d5d94SLen Brown average.cores.c6 += c->c6; 889c98d5d94SLen Brown average.cores.c7 += c->c7; 890c98d5d94SLen Brown 891889facbeSLen Brown average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c); 892889facbeSLen Brown 893c98d5d94SLen Brown /* sum per-pkg values only for 1st core in pkg */ 894c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 895c98d5d94SLen Brown return 0; 896c98d5d94SLen Brown 8970b2bb692SLen Brown if (do_skl_residency) { 8980b2bb692SLen Brown average.packages.pkg_wtd_core_c0 += p->pkg_wtd_core_c0; 8990b2bb692SLen Brown average.packages.pkg_any_core_c0 += p->pkg_any_core_c0; 9000b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 += p->pkg_any_gfxe_c0; 9010b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 += p->pkg_both_core_gfxe_c0; 9020b2bb692SLen Brown } 9030b2bb692SLen Brown 904c98d5d94SLen Brown average.packages.pc2 += p->pc2; 905ee7e38e3SLen Brown if (do_pc3) 906c98d5d94SLen Brown average.packages.pc3 += p->pc3; 907ee7e38e3SLen Brown if (do_pc6) 908c98d5d94SLen Brown average.packages.pc6 += p->pc6; 909ee7e38e3SLen Brown if (do_pc7) 910c98d5d94SLen Brown average.packages.pc7 += p->pc7; 911ca58710fSKristen Carlson Accardi average.packages.pc8 += p->pc8; 912ca58710fSKristen Carlson Accardi average.packages.pc9 += p->pc9; 913ca58710fSKristen Carlson Accardi average.packages.pc10 += p->pc10; 914c98d5d94SLen Brown 915889facbeSLen Brown average.packages.energy_pkg += p->energy_pkg; 916889facbeSLen Brown average.packages.energy_dram += p->energy_dram; 917889facbeSLen Brown average.packages.energy_cores += p->energy_cores; 918889facbeSLen Brown average.packages.energy_gfx += p->energy_gfx; 919889facbeSLen Brown 920889facbeSLen Brown average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c); 921889facbeSLen Brown 922889facbeSLen Brown average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status; 923889facbeSLen Brown average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status; 924c98d5d94SLen Brown return 0; 925c98d5d94SLen Brown } 926c98d5d94SLen Brown /* 927c98d5d94SLen Brown * sum the counters for all cpus in the system 928c98d5d94SLen Brown * compute the weighted average 929c98d5d94SLen Brown */ 930c98d5d94SLen Brown void compute_average(struct thread_data *t, struct core_data *c, 931c98d5d94SLen Brown struct pkg_data *p) 932c98d5d94SLen Brown { 933c98d5d94SLen Brown clear_counters(&average.threads, &average.cores, &average.packages); 934c98d5d94SLen Brown 935c98d5d94SLen Brown for_all_cpus(sum_counters, t, c, p); 936c98d5d94SLen Brown 937c98d5d94SLen Brown average.threads.tsc /= topo.num_cpus; 938c98d5d94SLen Brown average.threads.aperf /= topo.num_cpus; 939c98d5d94SLen Brown average.threads.mperf /= topo.num_cpus; 940c98d5d94SLen Brown average.threads.c1 /= topo.num_cpus; 941c98d5d94SLen Brown 9428e180f3cSLen Brown average.threads.extra_delta32 /= topo.num_cpus; 9438e180f3cSLen Brown average.threads.extra_delta32 &= 0xFFFFFFFF; 9448e180f3cSLen Brown 9458e180f3cSLen Brown average.threads.extra_delta64 /= topo.num_cpus; 9468e180f3cSLen Brown 947c98d5d94SLen Brown average.cores.c3 /= topo.num_cores; 948c98d5d94SLen Brown average.cores.c6 /= topo.num_cores; 949c98d5d94SLen Brown average.cores.c7 /= topo.num_cores; 950c98d5d94SLen Brown 9510b2bb692SLen Brown if (do_skl_residency) { 9520b2bb692SLen Brown average.packages.pkg_wtd_core_c0 /= topo.num_packages; 9530b2bb692SLen Brown average.packages.pkg_any_core_c0 /= topo.num_packages; 9540b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 /= topo.num_packages; 9550b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 /= topo.num_packages; 9560b2bb692SLen Brown } 9570b2bb692SLen Brown 958c98d5d94SLen Brown average.packages.pc2 /= topo.num_packages; 959ee7e38e3SLen Brown if (do_pc3) 960c98d5d94SLen Brown average.packages.pc3 /= topo.num_packages; 961ee7e38e3SLen Brown if (do_pc6) 962c98d5d94SLen Brown average.packages.pc6 /= topo.num_packages; 963ee7e38e3SLen Brown if (do_pc7) 964c98d5d94SLen Brown average.packages.pc7 /= topo.num_packages; 965ca58710fSKristen Carlson Accardi 966ca58710fSKristen Carlson Accardi average.packages.pc8 /= topo.num_packages; 967ca58710fSKristen Carlson Accardi average.packages.pc9 /= topo.num_packages; 968ca58710fSKristen Carlson Accardi average.packages.pc10 /= topo.num_packages; 969c98d5d94SLen Brown } 970c98d5d94SLen Brown 971c98d5d94SLen Brown static unsigned long long rdtsc(void) 972c98d5d94SLen Brown { 973c98d5d94SLen Brown unsigned int low, high; 974c98d5d94SLen Brown 975c98d5d94SLen Brown asm volatile("rdtsc" : "=a" (low), "=d" (high)); 976c98d5d94SLen Brown 977c98d5d94SLen Brown return low | ((unsigned long long)high) << 32; 978c98d5d94SLen Brown } 979c98d5d94SLen Brown 980c98d5d94SLen Brown 981c98d5d94SLen Brown /* 982c98d5d94SLen Brown * get_counters(...) 983c98d5d94SLen Brown * migrate to cpu 984c98d5d94SLen Brown * acquire and record local counters for that cpu 985c98d5d94SLen Brown */ 986c98d5d94SLen Brown int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 987c98d5d94SLen Brown { 988c98d5d94SLen Brown int cpu = t->cpu_id; 989889facbeSLen Brown unsigned long long msr; 990c98d5d94SLen Brown 991e52966c0SLen Brown if (cpu_migrate(cpu)) { 992e52966c0SLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 99315aaa346SLen Brown return -1; 994e52966c0SLen Brown } 99515aaa346SLen Brown 996c98d5d94SLen Brown t->tsc = rdtsc(); /* we are running on local CPU of interest */ 99715aaa346SLen Brown 99815aaa346SLen Brown if (has_aperf) { 9999c63a650SLen Brown if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 1000c98d5d94SLen Brown return -3; 10019c63a650SLen Brown if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf)) 1002c98d5d94SLen Brown return -4; 1003b2b34dfeSHubert Chrzaniuk t->aperf = t->aperf * aperf_mperf_multiplier; 1004b2b34dfeSHubert Chrzaniuk t->mperf = t->mperf * aperf_mperf_multiplier; 100588c3281fSLen Brown } 100688c3281fSLen Brown 10071ed51011SLen Brown if (do_smi) { 10081ed51011SLen Brown if (get_msr(cpu, MSR_SMI_COUNT, &msr)) 10091ed51011SLen Brown return -5; 10101ed51011SLen Brown t->smi_count = msr & 0xFFFFFFFF; 10111ed51011SLen Brown } 10128e180f3cSLen Brown if (extra_delta_offset32) { 1013889facbeSLen Brown if (get_msr(cpu, extra_delta_offset32, &msr)) 10142f32edf1SLen Brown return -5; 1015889facbeSLen Brown t->extra_delta32 = msr & 0xFFFFFFFF; 10168e180f3cSLen Brown } 10178e180f3cSLen Brown 10188e180f3cSLen Brown if (extra_delta_offset64) 10198e180f3cSLen Brown if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64)) 10208e180f3cSLen Brown return -5; 10218e180f3cSLen Brown 10228e180f3cSLen Brown if (extra_msr_offset32) { 1023889facbeSLen Brown if (get_msr(cpu, extra_msr_offset32, &msr)) 10248e180f3cSLen Brown return -5; 1025889facbeSLen Brown t->extra_msr32 = msr & 0xFFFFFFFF; 10268e180f3cSLen Brown } 10272f32edf1SLen Brown 10282f32edf1SLen Brown if (extra_msr_offset64) 10292f32edf1SLen Brown if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64)) 1030c98d5d94SLen Brown return -5; 1031c98d5d94SLen Brown 1032144b44b1SLen Brown if (use_c1_residency_msr) { 1033144b44b1SLen Brown if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1)) 1034144b44b1SLen Brown return -6; 1035144b44b1SLen Brown } 1036144b44b1SLen Brown 1037c98d5d94SLen Brown /* collect core counters only for 1st thread in core */ 1038c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 1039c98d5d94SLen Brown return 0; 1040c98d5d94SLen Brown 1041fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) { 1042c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3)) 1043c98d5d94SLen Brown return -6; 1044144b44b1SLen Brown } 1045144b44b1SLen Brown 1046fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_knl_cstates) { 1047c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6)) 1048c98d5d94SLen Brown return -7; 1049fb5d4327SDasaratharaman Chandramouli } else if (do_knl_cstates) { 1050fb5d4327SDasaratharaman Chandramouli if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6)) 1051fb5d4327SDasaratharaman Chandramouli return -7; 1052103a8feaSLen Brown } 105315aaa346SLen Brown 105415aaa346SLen Brown if (do_snb_cstates) 1055c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7)) 1056c98d5d94SLen Brown return -8; 1057c98d5d94SLen Brown 1058889facbeSLen Brown if (do_dts) { 1059889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 1060889facbeSLen Brown return -9; 1061889facbeSLen Brown c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1062889facbeSLen Brown } 1063889facbeSLen Brown 1064889facbeSLen Brown 1065c98d5d94SLen Brown /* collect package counters only for 1st core in package */ 1066c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 1067c98d5d94SLen Brown return 0; 106815aaa346SLen Brown 10690b2bb692SLen Brown if (do_skl_residency) { 10700b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_WEIGHTED_CORE_C0_RES, &p->pkg_wtd_core_c0)) 10710b2bb692SLen Brown return -10; 10720b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_CORE_C0_RES, &p->pkg_any_core_c0)) 10730b2bb692SLen Brown return -11; 10740b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_GFXE_C0_RES, &p->pkg_any_gfxe_c0)) 10750b2bb692SLen Brown return -12; 10760b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_BOTH_CORE_GFXE_C0_RES, &p->pkg_both_core_gfxe_c0)) 10770b2bb692SLen Brown return -13; 10780b2bb692SLen Brown } 1079ee7e38e3SLen Brown if (do_pc3) 1080c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3)) 1081c98d5d94SLen Brown return -9; 1082ee7e38e3SLen Brown if (do_pc6) 1083c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6)) 1084c98d5d94SLen Brown return -10; 1085ee7e38e3SLen Brown if (do_pc2) 1086c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2)) 1087c98d5d94SLen Brown return -11; 1088ee7e38e3SLen Brown if (do_pc7) 1089c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7)) 1090c98d5d94SLen Brown return -12; 1091ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 1092ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8)) 1093ca58710fSKristen Carlson Accardi return -13; 1094ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9)) 1095ca58710fSKristen Carlson Accardi return -13; 1096ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10)) 1097ca58710fSKristen Carlson Accardi return -13; 1098ca58710fSKristen Carlson Accardi } 1099889facbeSLen Brown if (do_rapl & RAPL_PKG) { 1100889facbeSLen Brown if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr)) 1101889facbeSLen Brown return -13; 1102889facbeSLen Brown p->energy_pkg = msr & 0xFFFFFFFF; 1103889facbeSLen Brown } 1104889facbeSLen Brown if (do_rapl & RAPL_CORES) { 1105889facbeSLen Brown if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr)) 1106889facbeSLen Brown return -14; 1107889facbeSLen Brown p->energy_cores = msr & 0xFFFFFFFF; 1108889facbeSLen Brown } 1109889facbeSLen Brown if (do_rapl & RAPL_DRAM) { 1110889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr)) 1111889facbeSLen Brown return -15; 1112889facbeSLen Brown p->energy_dram = msr & 0xFFFFFFFF; 1113889facbeSLen Brown } 1114889facbeSLen Brown if (do_rapl & RAPL_GFX) { 1115889facbeSLen Brown if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr)) 1116889facbeSLen Brown return -16; 1117889facbeSLen Brown p->energy_gfx = msr & 0xFFFFFFFF; 1118889facbeSLen Brown } 1119889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) { 1120889facbeSLen Brown if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr)) 1121889facbeSLen Brown return -16; 1122889facbeSLen Brown p->rapl_pkg_perf_status = msr & 0xFFFFFFFF; 1123889facbeSLen Brown } 1124889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) { 1125889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr)) 1126889facbeSLen Brown return -16; 1127889facbeSLen Brown p->rapl_dram_perf_status = msr & 0xFFFFFFFF; 1128889facbeSLen Brown } 1129889facbeSLen Brown if (do_ptm) { 1130889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 1131889facbeSLen Brown return -17; 1132889facbeSLen Brown p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1133889facbeSLen Brown } 113415aaa346SLen Brown return 0; 1135103a8feaSLen Brown } 1136103a8feaSLen Brown 1137ee7e38e3SLen Brown /* 1138ee7e38e3SLen Brown * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit: 1139ee7e38e3SLen Brown * If you change the values, note they are used both in comparisons 1140ee7e38e3SLen Brown * (>= PCL__7) and to index pkg_cstate_limit_strings[]. 1141ee7e38e3SLen Brown */ 1142ee7e38e3SLen Brown 1143ee7e38e3SLen Brown #define PCLUKN 0 /* Unknown */ 1144ee7e38e3SLen Brown #define PCLRSV 1 /* Reserved */ 1145ee7e38e3SLen Brown #define PCL__0 2 /* PC0 */ 1146ee7e38e3SLen Brown #define PCL__1 3 /* PC1 */ 1147ee7e38e3SLen Brown #define PCL__2 4 /* PC2 */ 1148ee7e38e3SLen Brown #define PCL__3 5 /* PC3 */ 1149ee7e38e3SLen Brown #define PCL__4 6 /* PC4 */ 1150ee7e38e3SLen Brown #define PCL__6 7 /* PC6 */ 1151ee7e38e3SLen Brown #define PCL_6N 8 /* PC6 No Retention */ 1152ee7e38e3SLen Brown #define PCL_6R 9 /* PC6 Retention */ 1153ee7e38e3SLen Brown #define PCL__7 10 /* PC7 */ 1154ee7e38e3SLen Brown #define PCL_7S 11 /* PC7 Shrink */ 11550b2bb692SLen Brown #define PCL__8 12 /* PC8 */ 11560b2bb692SLen Brown #define PCL__9 13 /* PC9 */ 11570b2bb692SLen Brown #define PCLUNL 14 /* Unlimited */ 1158ee7e38e3SLen Brown 1159ee7e38e3SLen Brown int pkg_cstate_limit = PCLUKN; 1160ee7e38e3SLen Brown char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2", 11610b2bb692SLen Brown "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "unlimited"}; 1162ee7e38e3SLen Brown 1163e9257f5fSLen Brown int nhm_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__3, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1164e9257f5fSLen Brown int snb_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCL__7, PCL_7S, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1165e9257f5fSLen Brown int hsw_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL__3, PCL__6, PCL__7, PCL_7S, PCL__8, PCL__9, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1166e9257f5fSLen Brown int slv_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1167e9257f5fSLen Brown int amt_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1168e9257f5fSLen Brown int phi_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1169ee7e38e3SLen Brown 1170a2b7b749SLen Brown 1171a2b7b749SLen Brown static void 1172a2b7b749SLen Brown calculate_tsc_tweak() 1173a2b7b749SLen Brown { 1174a2b7b749SLen Brown tsc_tweak = base_hz / tsc_hz; 1175a2b7b749SLen Brown } 1176a2b7b749SLen Brown 1177fcd17211SLen Brown static void 1178fcd17211SLen Brown dump_nhm_platform_info(void) 1179103a8feaSLen Brown { 1180103a8feaSLen Brown unsigned long long msr; 1181103a8feaSLen Brown unsigned int ratio; 1182103a8feaSLen Brown 1183ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 1184103a8feaSLen Brown 1185ec0adc53SLen Brown fprintf(stderr, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr); 11866574a5d5SLen Brown 1187103a8feaSLen Brown ratio = (msr >> 40) & 0xFF; 11888f61f359SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency frequency\n", 1189103a8feaSLen Brown ratio, bclk, ratio * bclk); 1190103a8feaSLen Brown 1191103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 11928f61f359SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz base frequency\n", 1193103a8feaSLen Brown ratio, bclk, ratio * bclk); 1194103a8feaSLen Brown 11957ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr); 1196bfae2052SLen Brown fprintf(stderr, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n", 1197bfae2052SLen Brown base_cpu, msr, msr & 0x2 ? "EN" : "DIS"); 119867920418SLen Brown 1199fcd17211SLen Brown return; 1200fcd17211SLen Brown } 1201fcd17211SLen Brown 1202fcd17211SLen Brown static void 1203fcd17211SLen Brown dump_hsw_turbo_ratio_limits(void) 1204fcd17211SLen Brown { 1205fcd17211SLen Brown unsigned long long msr; 1206fcd17211SLen Brown unsigned int ratio; 1207fcd17211SLen Brown 12087ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr); 1209fcd17211SLen Brown 1210bfae2052SLen Brown fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr); 1211fcd17211SLen Brown 1212fcd17211SLen Brown ratio = (msr >> 8) & 0xFF; 1213fcd17211SLen Brown if (ratio) 1214fcd17211SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 18 active cores\n", 1215fcd17211SLen Brown ratio, bclk, ratio * bclk); 1216fcd17211SLen Brown 1217fcd17211SLen Brown ratio = (msr >> 0) & 0xFF; 1218fcd17211SLen Brown if (ratio) 1219fcd17211SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 17 active cores\n", 1220fcd17211SLen Brown ratio, bclk, ratio * bclk); 1221fcd17211SLen Brown return; 1222fcd17211SLen Brown } 1223fcd17211SLen Brown 1224fcd17211SLen Brown static void 1225fcd17211SLen Brown dump_ivt_turbo_ratio_limits(void) 1226fcd17211SLen Brown { 1227fcd17211SLen Brown unsigned long long msr; 1228fcd17211SLen Brown unsigned int ratio; 12296574a5d5SLen Brown 12307ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr); 12316574a5d5SLen Brown 1232bfae2052SLen Brown fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr); 12336574a5d5SLen Brown 12346574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 12356574a5d5SLen Brown if (ratio) 12366574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 16 active cores\n", 12376574a5d5SLen Brown ratio, bclk, ratio * bclk); 12386574a5d5SLen Brown 12396574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 12406574a5d5SLen Brown if (ratio) 12416574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 15 active cores\n", 12426574a5d5SLen Brown ratio, bclk, ratio * bclk); 12436574a5d5SLen Brown 12446574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 12456574a5d5SLen Brown if (ratio) 12466574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 14 active cores\n", 12476574a5d5SLen Brown ratio, bclk, ratio * bclk); 12486574a5d5SLen Brown 12496574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 12506574a5d5SLen Brown if (ratio) 12516574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 13 active cores\n", 12526574a5d5SLen Brown ratio, bclk, ratio * bclk); 12536574a5d5SLen Brown 12546574a5d5SLen Brown ratio = (msr >> 24) & 0xFF; 12556574a5d5SLen Brown if (ratio) 12566574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 12 active cores\n", 12576574a5d5SLen Brown ratio, bclk, ratio * bclk); 12586574a5d5SLen Brown 12596574a5d5SLen Brown ratio = (msr >> 16) & 0xFF; 12606574a5d5SLen Brown if (ratio) 12616574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 11 active cores\n", 12626574a5d5SLen Brown ratio, bclk, ratio * bclk); 12636574a5d5SLen Brown 12646574a5d5SLen Brown ratio = (msr >> 8) & 0xFF; 12656574a5d5SLen Brown if (ratio) 12666574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 10 active cores\n", 12676574a5d5SLen Brown ratio, bclk, ratio * bclk); 12686574a5d5SLen Brown 12696574a5d5SLen Brown ratio = (msr >> 0) & 0xFF; 12706574a5d5SLen Brown if (ratio) 12716574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 9 active cores\n", 12726574a5d5SLen Brown ratio, bclk, ratio * bclk); 1273103a8feaSLen Brown return; 1274fcd17211SLen Brown } 1275fcd17211SLen Brown 1276fcd17211SLen Brown static void 1277fcd17211SLen Brown dump_nhm_turbo_ratio_limits(void) 1278fcd17211SLen Brown { 1279fcd17211SLen Brown unsigned long long msr; 1280fcd17211SLen Brown unsigned int ratio; 1281103a8feaSLen Brown 12827ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); 1283103a8feaSLen Brown 1284bfae2052SLen Brown fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr); 12856574a5d5SLen Brown 12866574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 12876574a5d5SLen Brown if (ratio) 12886574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 8 active cores\n", 12896574a5d5SLen Brown ratio, bclk, ratio * bclk); 12906574a5d5SLen Brown 12916574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 12926574a5d5SLen Brown if (ratio) 12936574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 7 active cores\n", 12946574a5d5SLen Brown ratio, bclk, ratio * bclk); 12956574a5d5SLen Brown 12966574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 12976574a5d5SLen Brown if (ratio) 12986574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 6 active cores\n", 12996574a5d5SLen Brown ratio, bclk, ratio * bclk); 13006574a5d5SLen Brown 13016574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 13026574a5d5SLen Brown if (ratio) 13036574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 5 active cores\n", 13046574a5d5SLen Brown ratio, bclk, ratio * bclk); 13056574a5d5SLen Brown 1306103a8feaSLen Brown ratio = (msr >> 24) & 0xFF; 1307103a8feaSLen Brown if (ratio) 1308103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 4 active cores\n", 1309103a8feaSLen Brown ratio, bclk, ratio * bclk); 1310103a8feaSLen Brown 1311103a8feaSLen Brown ratio = (msr >> 16) & 0xFF; 1312103a8feaSLen Brown if (ratio) 1313103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 3 active cores\n", 1314103a8feaSLen Brown ratio, bclk, ratio * bclk); 1315103a8feaSLen Brown 1316103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1317103a8feaSLen Brown if (ratio) 1318103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 2 active cores\n", 1319103a8feaSLen Brown ratio, bclk, ratio * bclk); 1320103a8feaSLen Brown 1321103a8feaSLen Brown ratio = (msr >> 0) & 0xFF; 1322103a8feaSLen Brown if (ratio) 1323103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 1 active cores\n", 1324103a8feaSLen Brown ratio, bclk, ratio * bclk); 1325fcd17211SLen Brown return; 1326fcd17211SLen Brown } 13273a9a941dSLen Brown 1328fcd17211SLen Brown static void 1329fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(void) 1330fb5d4327SDasaratharaman Chandramouli { 1331cbf97abaSHubert Chrzaniuk const unsigned int buckets_no = 7; 1332cbf97abaSHubert Chrzaniuk 1333fb5d4327SDasaratharaman Chandramouli unsigned long long msr; 1334cbf97abaSHubert Chrzaniuk int delta_cores, delta_ratio; 1335cbf97abaSHubert Chrzaniuk int i, b_nr; 1336cbf97abaSHubert Chrzaniuk unsigned int cores[buckets_no]; 1337cbf97abaSHubert Chrzaniuk unsigned int ratio[buckets_no]; 1338fb5d4327SDasaratharaman Chandramouli 13397ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_TURBO_RATIO_LIMIT, &msr); 1340fb5d4327SDasaratharaman Chandramouli 1341cbf97abaSHubert Chrzaniuk fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", 1342bfae2052SLen Brown base_cpu, msr); 1343fb5d4327SDasaratharaman Chandramouli 1344fb5d4327SDasaratharaman Chandramouli /** 1345fb5d4327SDasaratharaman Chandramouli * Turbo encoding in KNL is as follows: 1346cbf97abaSHubert Chrzaniuk * [0] -- Reserved 1347cbf97abaSHubert Chrzaniuk * [7:1] -- Base value of number of active cores of bucket 1. 1348fb5d4327SDasaratharaman Chandramouli * [15:8] -- Base value of freq ratio of bucket 1. 1349fb5d4327SDasaratharaman Chandramouli * [20:16] -- +ve delta of number of active cores of bucket 2. 1350fb5d4327SDasaratharaman Chandramouli * i.e. active cores of bucket 2 = 1351fb5d4327SDasaratharaman Chandramouli * active cores of bucket 1 + delta 1352fb5d4327SDasaratharaman Chandramouli * [23:21] -- Negative delta of freq ratio of bucket 2. 1353fb5d4327SDasaratharaman Chandramouli * i.e. freq ratio of bucket 2 = 1354fb5d4327SDasaratharaman Chandramouli * freq ratio of bucket 1 - delta 1355fb5d4327SDasaratharaman Chandramouli * [28:24]-- +ve delta of number of active cores of bucket 3. 1356fb5d4327SDasaratharaman Chandramouli * [31:29]-- -ve delta of freq ratio of bucket 3. 1357fb5d4327SDasaratharaman Chandramouli * [36:32]-- +ve delta of number of active cores of bucket 4. 1358fb5d4327SDasaratharaman Chandramouli * [39:37]-- -ve delta of freq ratio of bucket 4. 1359fb5d4327SDasaratharaman Chandramouli * [44:40]-- +ve delta of number of active cores of bucket 5. 1360fb5d4327SDasaratharaman Chandramouli * [47:45]-- -ve delta of freq ratio of bucket 5. 1361fb5d4327SDasaratharaman Chandramouli * [52:48]-- +ve delta of number of active cores of bucket 6. 1362fb5d4327SDasaratharaman Chandramouli * [55:53]-- -ve delta of freq ratio of bucket 6. 1363fb5d4327SDasaratharaman Chandramouli * [60:56]-- +ve delta of number of active cores of bucket 7. 1364fb5d4327SDasaratharaman Chandramouli * [63:61]-- -ve delta of freq ratio of bucket 7. 1365fb5d4327SDasaratharaman Chandramouli */ 1366fb5d4327SDasaratharaman Chandramouli 1367cbf97abaSHubert Chrzaniuk b_nr = 0; 1368cbf97abaSHubert Chrzaniuk cores[b_nr] = (msr & 0xFF) >> 1; 1369cbf97abaSHubert Chrzaniuk ratio[b_nr] = (msr >> 8) & 0xFF; 1370cbf97abaSHubert Chrzaniuk 1371cbf97abaSHubert Chrzaniuk for (i = 16; i < 64; i += 8) { 1372fb5d4327SDasaratharaman Chandramouli delta_cores = (msr >> i) & 0x1F; 1373cbf97abaSHubert Chrzaniuk delta_ratio = (msr >> (i + 5)) & 0x7; 1374fb5d4327SDasaratharaman Chandramouli 1375cbf97abaSHubert Chrzaniuk cores[b_nr + 1] = cores[b_nr] + delta_cores; 1376cbf97abaSHubert Chrzaniuk ratio[b_nr + 1] = ratio[b_nr] - delta_ratio; 1377cbf97abaSHubert Chrzaniuk b_nr++; 1378cbf97abaSHubert Chrzaniuk } 1379cbf97abaSHubert Chrzaniuk 1380cbf97abaSHubert Chrzaniuk for (i = buckets_no - 1; i >= 0; i--) 1381cbf97abaSHubert Chrzaniuk if (i > 0 ? ratio[i] != ratio[i - 1] : 1) 1382fb5d4327SDasaratharaman Chandramouli fprintf(stderr, 1383fb5d4327SDasaratharaman Chandramouli "%d * %.0f = %.0f MHz max turbo %d active cores\n", 1384cbf97abaSHubert Chrzaniuk ratio[i], bclk, ratio[i] * bclk, cores[i]); 1385fb5d4327SDasaratharaman Chandramouli } 1386fb5d4327SDasaratharaman Chandramouli 1387fb5d4327SDasaratharaman Chandramouli static void 1388fcd17211SLen Brown dump_nhm_cst_cfg(void) 1389fcd17211SLen Brown { 1390fcd17211SLen Brown unsigned long long msr; 1391fcd17211SLen Brown 13927ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 1393fcd17211SLen Brown 1394fcd17211SLen Brown #define SNB_C1_AUTO_UNDEMOTE (1UL << 27) 1395fcd17211SLen Brown #define SNB_C3_AUTO_UNDEMOTE (1UL << 28) 1396fcd17211SLen Brown 1397bfae2052SLen Brown fprintf(stderr, "cpu%d: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", base_cpu, msr); 1398fcd17211SLen Brown 1399fcd17211SLen Brown fprintf(stderr, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n", 1400fcd17211SLen Brown (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "", 1401fcd17211SLen Brown (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "", 1402fcd17211SLen Brown (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "", 1403fcd17211SLen Brown (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "", 1404fcd17211SLen Brown (msr & (1 << 15)) ? "" : "UN", 1405fcd17211SLen Brown (unsigned int)msr & 7, 1406fcd17211SLen Brown pkg_cstate_limit_strings[pkg_cstate_limit]); 1407fcd17211SLen Brown return; 1408103a8feaSLen Brown } 1409103a8feaSLen Brown 14106fb3143bSLen Brown static void 14116fb3143bSLen Brown dump_config_tdp(void) 14126fb3143bSLen Brown { 14136fb3143bSLen Brown unsigned long long msr; 14146fb3143bSLen Brown 14156fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr); 14166fb3143bSLen Brown fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr); 14176fb3143bSLen Brown fprintf(stderr, " (base_ratio=%d)\n", (unsigned int)msr & 0xEF); 14186fb3143bSLen Brown 14196fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr); 14206fb3143bSLen Brown fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr); 14216fb3143bSLen Brown if (msr) { 14226fb3143bSLen Brown fprintf(stderr, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0xEFFF); 14236fb3143bSLen Brown fprintf(stderr, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0xEFFF); 14246fb3143bSLen Brown fprintf(stderr, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xEF); 14256fb3143bSLen Brown fprintf(stderr, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0xEFFF); 14266fb3143bSLen Brown } 14276fb3143bSLen Brown fprintf(stderr, ")\n"); 14286fb3143bSLen Brown 14296fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr); 14306fb3143bSLen Brown fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr); 14316fb3143bSLen Brown if (msr) { 14326fb3143bSLen Brown fprintf(stderr, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0xEFFF); 14336fb3143bSLen Brown fprintf(stderr, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0xEFFF); 14346fb3143bSLen Brown fprintf(stderr, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xEF); 14356fb3143bSLen Brown fprintf(stderr, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0xEFFF); 14366fb3143bSLen Brown } 14376fb3143bSLen Brown fprintf(stderr, ")\n"); 14386fb3143bSLen Brown 14396fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr); 14406fb3143bSLen Brown fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr); 14416fb3143bSLen Brown if ((msr) & 0x3) 14426fb3143bSLen Brown fprintf(stderr, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3); 14436fb3143bSLen Brown fprintf(stderr, " lock=%d", (unsigned int)(msr >> 31) & 1); 14446fb3143bSLen Brown fprintf(stderr, ")\n"); 14456fb3143bSLen Brown 14466fb3143bSLen Brown get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr); 14476fb3143bSLen Brown fprintf(stderr, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr); 1448759d2a93SLen Brown fprintf(stderr, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0x7F); 14496fb3143bSLen Brown fprintf(stderr, " lock=%d", (unsigned int)(msr >> 31) & 1); 14506fb3143bSLen Brown fprintf(stderr, ")\n"); 14516fb3143bSLen Brown } 14526fb3143bSLen Brown 1453c98d5d94SLen Brown void free_all_buffers(void) 1454103a8feaSLen Brown { 1455c98d5d94SLen Brown CPU_FREE(cpu_present_set); 1456c98d5d94SLen Brown cpu_present_set = NULL; 1457c98d5d94SLen Brown cpu_present_set = 0; 1458103a8feaSLen Brown 1459c98d5d94SLen Brown CPU_FREE(cpu_affinity_set); 1460c98d5d94SLen Brown cpu_affinity_set = NULL; 1461c98d5d94SLen Brown cpu_affinity_setsize = 0; 1462103a8feaSLen Brown 1463c98d5d94SLen Brown free(thread_even); 1464c98d5d94SLen Brown free(core_even); 1465c98d5d94SLen Brown free(package_even); 1466103a8feaSLen Brown 1467c98d5d94SLen Brown thread_even = NULL; 1468c98d5d94SLen Brown core_even = NULL; 1469c98d5d94SLen Brown package_even = NULL; 1470103a8feaSLen Brown 1471c98d5d94SLen Brown free(thread_odd); 1472c98d5d94SLen Brown free(core_odd); 1473c98d5d94SLen Brown free(package_odd); 1474103a8feaSLen Brown 1475c98d5d94SLen Brown thread_odd = NULL; 1476c98d5d94SLen Brown core_odd = NULL; 1477c98d5d94SLen Brown package_odd = NULL; 1478103a8feaSLen Brown 1479c98d5d94SLen Brown free(output_buffer); 1480c98d5d94SLen Brown output_buffer = NULL; 1481c98d5d94SLen Brown outp = NULL; 1482103a8feaSLen Brown } 1483103a8feaSLen Brown 1484103a8feaSLen Brown /* 148557a42a34SJosh Triplett * Open a file, and exit on failure 148657a42a34SJosh Triplett */ 148757a42a34SJosh Triplett FILE *fopen_or_die(const char *path, const char *mode) 148857a42a34SJosh Triplett { 148957a42a34SJosh Triplett FILE *filep = fopen(path, "r"); 1490b2c95d90SJosh Triplett if (!filep) 1491b2c95d90SJosh Triplett err(1, "%s: open failed", path); 149257a42a34SJosh Triplett return filep; 149357a42a34SJosh Triplett } 149457a42a34SJosh Triplett 149557a42a34SJosh Triplett /* 149695aebc44SJosh Triplett * Parse a file containing a single int. 149795aebc44SJosh Triplett */ 149895aebc44SJosh Triplett int parse_int_file(const char *fmt, ...) 149995aebc44SJosh Triplett { 150095aebc44SJosh Triplett va_list args; 150195aebc44SJosh Triplett char path[PATH_MAX]; 150295aebc44SJosh Triplett FILE *filep; 150395aebc44SJosh Triplett int value; 150495aebc44SJosh Triplett 150595aebc44SJosh Triplett va_start(args, fmt); 150695aebc44SJosh Triplett vsnprintf(path, sizeof(path), fmt, args); 150795aebc44SJosh Triplett va_end(args); 150857a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1509b2c95d90SJosh Triplett if (fscanf(filep, "%d", &value) != 1) 1510b2c95d90SJosh Triplett err(1, "%s: failed to parse number from file", path); 151195aebc44SJosh Triplett fclose(filep); 151295aebc44SJosh Triplett return value; 151395aebc44SJosh Triplett } 151495aebc44SJosh Triplett 151595aebc44SJosh Triplett /* 1516e275b388SDasaratharaman Chandramouli * get_cpu_position_in_core(cpu) 1517e275b388SDasaratharaman Chandramouli * return the position of the CPU among its HT siblings in the core 1518e275b388SDasaratharaman Chandramouli * return -1 if the sibling is not in list 1519103a8feaSLen Brown */ 1520e275b388SDasaratharaman Chandramouli int get_cpu_position_in_core(int cpu) 1521103a8feaSLen Brown { 1522e275b388SDasaratharaman Chandramouli char path[64]; 1523e275b388SDasaratharaman Chandramouli FILE *filep; 1524e275b388SDasaratharaman Chandramouli int this_cpu; 1525e275b388SDasaratharaman Chandramouli char character; 1526e275b388SDasaratharaman Chandramouli int i; 1527e275b388SDasaratharaman Chandramouli 1528e275b388SDasaratharaman Chandramouli sprintf(path, 1529e275b388SDasaratharaman Chandramouli "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", 1530e275b388SDasaratharaman Chandramouli cpu); 1531e275b388SDasaratharaman Chandramouli filep = fopen(path, "r"); 1532e275b388SDasaratharaman Chandramouli if (filep == NULL) { 1533e275b388SDasaratharaman Chandramouli perror(path); 1534e275b388SDasaratharaman Chandramouli exit(1); 1535e275b388SDasaratharaman Chandramouli } 1536e275b388SDasaratharaman Chandramouli 1537e275b388SDasaratharaman Chandramouli for (i = 0; i < topo.num_threads_per_core; i++) { 1538e275b388SDasaratharaman Chandramouli fscanf(filep, "%d", &this_cpu); 1539e275b388SDasaratharaman Chandramouli if (this_cpu == cpu) { 1540e275b388SDasaratharaman Chandramouli fclose(filep); 1541e275b388SDasaratharaman Chandramouli return i; 1542e275b388SDasaratharaman Chandramouli } 1543e275b388SDasaratharaman Chandramouli 1544e275b388SDasaratharaman Chandramouli /* Account for no separator after last thread*/ 1545e275b388SDasaratharaman Chandramouli if (i != (topo.num_threads_per_core - 1)) 1546e275b388SDasaratharaman Chandramouli fscanf(filep, "%c", &character); 1547e275b388SDasaratharaman Chandramouli } 1548e275b388SDasaratharaman Chandramouli 1549e275b388SDasaratharaman Chandramouli fclose(filep); 1550e275b388SDasaratharaman Chandramouli return -1; 1551c98d5d94SLen Brown } 1552103a8feaSLen Brown 1553c98d5d94SLen Brown /* 1554c98d5d94SLen Brown * cpu_is_first_core_in_package(cpu) 1555c98d5d94SLen Brown * return 1 if given CPU is 1st core in package 1556c98d5d94SLen Brown */ 1557c98d5d94SLen Brown int cpu_is_first_core_in_package(int cpu) 1558c98d5d94SLen Brown { 155995aebc44SJosh Triplett return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu); 1560103a8feaSLen Brown } 1561103a8feaSLen Brown 1562103a8feaSLen Brown int get_physical_package_id(int cpu) 1563103a8feaSLen Brown { 156495aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu); 1565103a8feaSLen Brown } 1566103a8feaSLen Brown 1567103a8feaSLen Brown int get_core_id(int cpu) 1568103a8feaSLen Brown { 156995aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu); 1570103a8feaSLen Brown } 1571103a8feaSLen Brown 1572c98d5d94SLen Brown int get_num_ht_siblings(int cpu) 1573c98d5d94SLen Brown { 1574c98d5d94SLen Brown char path[80]; 1575c98d5d94SLen Brown FILE *filep; 1576e275b388SDasaratharaman Chandramouli int sib1; 1577e275b388SDasaratharaman Chandramouli int matches = 0; 1578c98d5d94SLen Brown char character; 1579e275b388SDasaratharaman Chandramouli char str[100]; 1580e275b388SDasaratharaman Chandramouli char *ch; 1581c98d5d94SLen Brown 1582c98d5d94SLen Brown sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); 158357a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1584e275b388SDasaratharaman Chandramouli 1585103a8feaSLen Brown /* 1586c98d5d94SLen Brown * file format: 1587e275b388SDasaratharaman Chandramouli * A ',' separated or '-' separated set of numbers 1588e275b388SDasaratharaman Chandramouli * (eg 1-2 or 1,3,4,5) 1589c98d5d94SLen Brown */ 1590e275b388SDasaratharaman Chandramouli fscanf(filep, "%d%c\n", &sib1, &character); 1591e275b388SDasaratharaman Chandramouli fseek(filep, 0, SEEK_SET); 1592e275b388SDasaratharaman Chandramouli fgets(str, 100, filep); 1593e275b388SDasaratharaman Chandramouli ch = strchr(str, character); 1594e275b388SDasaratharaman Chandramouli while (ch != NULL) { 1595e275b388SDasaratharaman Chandramouli matches++; 1596e275b388SDasaratharaman Chandramouli ch = strchr(ch+1, character); 1597e275b388SDasaratharaman Chandramouli } 1598c98d5d94SLen Brown 1599c98d5d94SLen Brown fclose(filep); 1600e275b388SDasaratharaman Chandramouli return matches+1; 1601c98d5d94SLen Brown } 1602c98d5d94SLen Brown 1603c98d5d94SLen Brown /* 1604c98d5d94SLen Brown * run func(thread, core, package) in topology order 1605c98d5d94SLen Brown * skip non-present cpus 1606103a8feaSLen Brown */ 1607103a8feaSLen Brown 1608c98d5d94SLen Brown int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *, 1609c98d5d94SLen Brown struct pkg_data *, struct thread_data *, struct core_data *, 1610c98d5d94SLen Brown struct pkg_data *), struct thread_data *thread_base, 1611c98d5d94SLen Brown struct core_data *core_base, struct pkg_data *pkg_base, 1612c98d5d94SLen Brown struct thread_data *thread_base2, struct core_data *core_base2, 1613c98d5d94SLen Brown struct pkg_data *pkg_base2) 1614c98d5d94SLen Brown { 1615c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 1616c98d5d94SLen Brown 1617c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 1618c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 1619c98d5d94SLen Brown for (thread_no = 0; thread_no < 1620c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 1621c98d5d94SLen Brown struct thread_data *t, *t2; 1622c98d5d94SLen Brown struct core_data *c, *c2; 1623c98d5d94SLen Brown struct pkg_data *p, *p2; 1624c98d5d94SLen Brown 1625c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 1626c98d5d94SLen Brown 1627c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 1628c98d5d94SLen Brown continue; 1629c98d5d94SLen Brown 1630c98d5d94SLen Brown t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no); 1631c98d5d94SLen Brown 1632c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 1633c98d5d94SLen Brown c2 = GET_CORE(core_base2, core_no, pkg_no); 1634c98d5d94SLen Brown 1635c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 1636c98d5d94SLen Brown p2 = GET_PKG(pkg_base2, pkg_no); 1637c98d5d94SLen Brown 1638c98d5d94SLen Brown retval = func(t, c, p, t2, c2, p2); 1639c98d5d94SLen Brown if (retval) 1640c98d5d94SLen Brown return retval; 1641c98d5d94SLen Brown } 1642c98d5d94SLen Brown } 1643c98d5d94SLen Brown } 1644c98d5d94SLen Brown return 0; 1645c98d5d94SLen Brown } 1646c98d5d94SLen Brown 1647c98d5d94SLen Brown /* 1648c98d5d94SLen Brown * run func(cpu) on every cpu in /proc/stat 1649c98d5d94SLen Brown * return max_cpu number 1650c98d5d94SLen Brown */ 1651c98d5d94SLen Brown int for_all_proc_cpus(int (func)(int)) 1652103a8feaSLen Brown { 1653103a8feaSLen Brown FILE *fp; 1654c98d5d94SLen Brown int cpu_num; 1655103a8feaSLen Brown int retval; 1656103a8feaSLen Brown 165757a42a34SJosh Triplett fp = fopen_or_die(proc_stat, "r"); 1658103a8feaSLen Brown 1659103a8feaSLen Brown retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n"); 1660b2c95d90SJosh Triplett if (retval != 0) 1661b2c95d90SJosh Triplett err(1, "%s: failed to parse format", proc_stat); 1662103a8feaSLen Brown 1663c98d5d94SLen Brown while (1) { 1664c98d5d94SLen Brown retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num); 1665103a8feaSLen Brown if (retval != 1) 1666103a8feaSLen Brown break; 1667103a8feaSLen Brown 1668c98d5d94SLen Brown retval = func(cpu_num); 1669c98d5d94SLen Brown if (retval) { 1670c98d5d94SLen Brown fclose(fp); 1671c98d5d94SLen Brown return(retval); 1672c98d5d94SLen Brown } 1673103a8feaSLen Brown } 1674103a8feaSLen Brown fclose(fp); 1675c98d5d94SLen Brown return 0; 1676103a8feaSLen Brown } 1677103a8feaSLen Brown 1678103a8feaSLen Brown void re_initialize(void) 1679103a8feaSLen Brown { 1680c98d5d94SLen Brown free_all_buffers(); 1681c98d5d94SLen Brown setup_all_buffers(); 1682c98d5d94SLen Brown printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus); 1683103a8feaSLen Brown } 1684103a8feaSLen Brown 1685c98d5d94SLen Brown 1686103a8feaSLen Brown /* 1687c98d5d94SLen Brown * count_cpus() 1688c98d5d94SLen Brown * remember the last one seen, it will be the max 1689103a8feaSLen Brown */ 1690c98d5d94SLen Brown int count_cpus(int cpu) 1691103a8feaSLen Brown { 1692c98d5d94SLen Brown if (topo.max_cpu_num < cpu) 1693c98d5d94SLen Brown topo.max_cpu_num = cpu; 1694103a8feaSLen Brown 1695c98d5d94SLen Brown topo.num_cpus += 1; 1696c98d5d94SLen Brown return 0; 1697103a8feaSLen Brown } 1698c98d5d94SLen Brown int mark_cpu_present(int cpu) 1699c98d5d94SLen Brown { 1700c98d5d94SLen Brown CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set); 170115aaa346SLen Brown return 0; 1702103a8feaSLen Brown } 1703103a8feaSLen Brown 1704103a8feaSLen Brown void turbostat_loop() 1705103a8feaSLen Brown { 1706c98d5d94SLen Brown int retval; 1707e52966c0SLen Brown int restarted = 0; 1708c98d5d94SLen Brown 1709103a8feaSLen Brown restart: 1710e52966c0SLen Brown restarted++; 1711e52966c0SLen Brown 1712c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 1713d91bb17cSLen Brown if (retval < -1) { 1714d91bb17cSLen Brown exit(retval); 1715d91bb17cSLen Brown } else if (retval == -1) { 1716e52966c0SLen Brown if (restarted > 1) { 1717e52966c0SLen Brown exit(retval); 1718e52966c0SLen Brown } 1719c98d5d94SLen Brown re_initialize(); 1720c98d5d94SLen Brown goto restart; 1721c98d5d94SLen Brown } 1722e52966c0SLen Brown restarted = 0; 1723103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 1724103a8feaSLen Brown 1725103a8feaSLen Brown while (1) { 1726c98d5d94SLen Brown if (for_all_proc_cpus(cpu_is_not_present)) { 1727103a8feaSLen Brown re_initialize(); 1728103a8feaSLen Brown goto restart; 1729103a8feaSLen Brown } 17302a0609c0SLen Brown nanosleep(&interval_ts, NULL); 1731c98d5d94SLen Brown retval = for_all_cpus(get_counters, ODD_COUNTERS); 1732d91bb17cSLen Brown if (retval < -1) { 1733d91bb17cSLen Brown exit(retval); 1734d91bb17cSLen Brown } else if (retval == -1) { 173515aaa346SLen Brown re_initialize(); 173615aaa346SLen Brown goto restart; 173715aaa346SLen Brown } 1738103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 1739103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 1740c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 1741c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 1742c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 1743c98d5d94SLen Brown flush_stdout(); 17442a0609c0SLen Brown nanosleep(&interval_ts, NULL); 1745c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 1746d91bb17cSLen Brown if (retval < -1) { 1747d91bb17cSLen Brown exit(retval); 1748d91bb17cSLen Brown } else if (retval == -1) { 1749103a8feaSLen Brown re_initialize(); 1750103a8feaSLen Brown goto restart; 1751103a8feaSLen Brown } 1752103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 1753103a8feaSLen Brown timersub(&tv_even, &tv_odd, &tv_delta); 1754c98d5d94SLen Brown for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS); 1755c98d5d94SLen Brown compute_average(ODD_COUNTERS); 1756c98d5d94SLen Brown format_all_counters(ODD_COUNTERS); 1757c98d5d94SLen Brown flush_stdout(); 1758103a8feaSLen Brown } 1759103a8feaSLen Brown } 1760103a8feaSLen Brown 1761103a8feaSLen Brown void check_dev_msr() 1762103a8feaSLen Brown { 1763103a8feaSLen Brown struct stat sb; 17647ce7d5deSPrarit Bhargava char pathname[32]; 1765103a8feaSLen Brown 17667ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 17677ce7d5deSPrarit Bhargava if (stat(pathname, &sb)) 1768a21d38c8SLen Brown if (system("/sbin/modprobe msr > /dev/null 2>&1")) 1769d7899447SLen Brown err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" "); 1770103a8feaSLen Brown } 1771103a8feaSLen Brown 177298481e79SLen Brown void check_permissions() 1773103a8feaSLen Brown { 177498481e79SLen Brown struct __user_cap_header_struct cap_header_data; 177598481e79SLen Brown cap_user_header_t cap_header = &cap_header_data; 177698481e79SLen Brown struct __user_cap_data_struct cap_data_data; 177798481e79SLen Brown cap_user_data_t cap_data = &cap_data_data; 177898481e79SLen Brown extern int capget(cap_user_header_t hdrp, cap_user_data_t datap); 177998481e79SLen Brown int do_exit = 0; 17807ce7d5deSPrarit Bhargava char pathname[32]; 178198481e79SLen Brown 178298481e79SLen Brown /* check for CAP_SYS_RAWIO */ 178398481e79SLen Brown cap_header->pid = getpid(); 178498481e79SLen Brown cap_header->version = _LINUX_CAPABILITY_VERSION; 178598481e79SLen Brown if (capget(cap_header, cap_data) < 0) 178698481e79SLen Brown err(-6, "capget(2) failed"); 178798481e79SLen Brown 178898481e79SLen Brown if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) { 178998481e79SLen Brown do_exit++; 179098481e79SLen Brown warnx("capget(CAP_SYS_RAWIO) failed," 179198481e79SLen Brown " try \"# setcap cap_sys_rawio=ep %s\"", progname); 179298481e79SLen Brown } 179398481e79SLen Brown 179498481e79SLen Brown /* test file permissions */ 17957ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 17967ce7d5deSPrarit Bhargava if (euidaccess(pathname, R_OK)) { 179798481e79SLen Brown do_exit++; 179898481e79SLen Brown warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr"); 179998481e79SLen Brown } 180098481e79SLen Brown 180198481e79SLen Brown /* if all else fails, thell them to be root */ 180298481e79SLen Brown if (do_exit) 1803b2c95d90SJosh Triplett if (getuid() != 0) 1804d7899447SLen Brown warnx("... or simply run as root"); 180598481e79SLen Brown 180698481e79SLen Brown if (do_exit) 180798481e79SLen Brown exit(-6); 1808103a8feaSLen Brown } 1809103a8feaSLen Brown 1810d7899447SLen Brown /* 1811d7899447SLen Brown * NHM adds support for additional MSRs: 1812d7899447SLen Brown * 1813d7899447SLen Brown * MSR_SMI_COUNT 0x00000034 1814d7899447SLen Brown * 1815ec0adc53SLen Brown * MSR_PLATFORM_INFO 0x000000ce 1816d7899447SLen Brown * MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2 1817d7899447SLen Brown * 1818d7899447SLen Brown * MSR_PKG_C3_RESIDENCY 0x000003f8 1819d7899447SLen Brown * MSR_PKG_C6_RESIDENCY 0x000003f9 1820d7899447SLen Brown * MSR_CORE_C3_RESIDENCY 0x000003fc 1821d7899447SLen Brown * MSR_CORE_C6_RESIDENCY 0x000003fd 1822d7899447SLen Brown * 1823ee7e38e3SLen Brown * Side effect: 1824ee7e38e3SLen Brown * sets global pkg_cstate_limit to decode MSR_NHM_SNB_PKG_CST_CFG_CTL 1825d7899447SLen Brown */ 1826ee7e38e3SLen Brown int probe_nhm_msrs(unsigned int family, unsigned int model) 1827103a8feaSLen Brown { 1828ee7e38e3SLen Brown unsigned long long msr; 182921ed5574SLen Brown unsigned int base_ratio; 1830ee7e38e3SLen Brown int *pkg_cstate_limits; 1831ee7e38e3SLen Brown 1832103a8feaSLen Brown if (!genuine_intel) 1833103a8feaSLen Brown return 0; 1834103a8feaSLen Brown 1835103a8feaSLen Brown if (family != 6) 1836103a8feaSLen Brown return 0; 1837103a8feaSLen Brown 183821ed5574SLen Brown bclk = discover_bclk(family, model); 183921ed5574SLen Brown 1840103a8feaSLen Brown switch (model) { 1841103a8feaSLen Brown case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */ 1842103a8feaSLen Brown case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */ 1843103a8feaSLen Brown case 0x1F: /* Core i7 and i5 Processor - Nehalem */ 1844103a8feaSLen Brown case 0x25: /* Westmere Client - Clarkdale, Arrandale */ 1845103a8feaSLen Brown case 0x2C: /* Westmere EP - Gulftown */ 1846ee7e38e3SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 1847ee7e38e3SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 1848ee7e38e3SLen Brown pkg_cstate_limits = nhm_pkg_cstate_limits; 1849ee7e38e3SLen Brown break; 1850103a8feaSLen Brown case 0x2A: /* SNB */ 1851103a8feaSLen Brown case 0x2D: /* SNB Xeon */ 1852553575f1SLen Brown case 0x3A: /* IVB */ 18531300651bSLen Brown case 0x3E: /* IVB Xeon */ 1854ee7e38e3SLen Brown pkg_cstate_limits = snb_pkg_cstate_limits; 1855ee7e38e3SLen Brown break; 185670b43400SLen Brown case 0x3C: /* HSW */ 1857e6f9bb3cSLen Brown case 0x3F: /* HSX */ 185870b43400SLen Brown case 0x45: /* HSW */ 1859149c2319SLen Brown case 0x46: /* HSW */ 18604e8e863fSLen Brown case 0x3D: /* BDW */ 186148a0631cSLen Brown case 0x47: /* BDW */ 18624e8e863fSLen Brown case 0x4F: /* BDX */ 18634e8e863fSLen Brown case 0x56: /* BDX-DE */ 18640b2bb692SLen Brown case 0x4E: /* SKL */ 18650b2bb692SLen Brown case 0x5E: /* SKL */ 1866ee7e38e3SLen Brown pkg_cstate_limits = hsw_pkg_cstate_limits; 1867ee7e38e3SLen Brown break; 1868ee7e38e3SLen Brown case 0x37: /* BYT */ 1869ee7e38e3SLen Brown case 0x4D: /* AVN */ 1870ee7e38e3SLen Brown pkg_cstate_limits = slv_pkg_cstate_limits; 1871ee7e38e3SLen Brown break; 1872ee7e38e3SLen Brown case 0x4C: /* AMT */ 1873ee7e38e3SLen Brown pkg_cstate_limits = amt_pkg_cstate_limits; 1874ee7e38e3SLen Brown break; 1875ee7e38e3SLen Brown case 0x57: /* PHI */ 1876ee7e38e3SLen Brown pkg_cstate_limits = phi_pkg_cstate_limits; 1877ee7e38e3SLen Brown break; 1878103a8feaSLen Brown default: 1879103a8feaSLen Brown return 0; 1880103a8feaSLen Brown } 18817ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 1882e9257f5fSLen Brown pkg_cstate_limit = pkg_cstate_limits[msr & 0xF]; 1883ee7e38e3SLen Brown 1884ec0adc53SLen Brown get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); 188521ed5574SLen Brown base_ratio = (msr >> 8) & 0xFF; 188621ed5574SLen Brown 188721ed5574SLen Brown base_hz = base_ratio * bclk * 1000000; 188821ed5574SLen Brown has_base_hz = 1; 1889ee7e38e3SLen Brown return 1; 1890103a8feaSLen Brown } 1891d7899447SLen Brown int has_nhm_turbo_ratio_limit(unsigned int family, unsigned int model) 1892d7899447SLen Brown { 1893d7899447SLen Brown switch (model) { 1894d7899447SLen Brown /* Nehalem compatible, but do not include turbo-ratio limit support */ 1895d7899447SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 1896d7899447SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 1897cbf97abaSHubert Chrzaniuk case 0x57: /* PHI - Knights Landing (different MSR definition) */ 1898d7899447SLen Brown return 0; 1899d7899447SLen Brown default: 1900d7899447SLen Brown return 1; 1901d7899447SLen Brown } 1902d7899447SLen Brown } 19036574a5d5SLen Brown int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model) 19046574a5d5SLen Brown { 19056574a5d5SLen Brown if (!genuine_intel) 19066574a5d5SLen Brown return 0; 19076574a5d5SLen Brown 19086574a5d5SLen Brown if (family != 6) 19096574a5d5SLen Brown return 0; 19106574a5d5SLen Brown 19116574a5d5SLen Brown switch (model) { 19126574a5d5SLen Brown case 0x3E: /* IVB Xeon */ 1913fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 19146574a5d5SLen Brown return 1; 19156574a5d5SLen Brown default: 19166574a5d5SLen Brown return 0; 19176574a5d5SLen Brown } 19186574a5d5SLen Brown } 1919fcd17211SLen Brown int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model) 1920fcd17211SLen Brown { 1921fcd17211SLen Brown if (!genuine_intel) 1922fcd17211SLen Brown return 0; 1923fcd17211SLen Brown 1924fcd17211SLen Brown if (family != 6) 1925fcd17211SLen Brown return 0; 1926fcd17211SLen Brown 1927fcd17211SLen Brown switch (model) { 1928fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 1929fcd17211SLen Brown return 1; 1930fcd17211SLen Brown default: 1931fcd17211SLen Brown return 0; 1932fcd17211SLen Brown } 1933fcd17211SLen Brown } 1934fcd17211SLen Brown 1935fb5d4327SDasaratharaman Chandramouli int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model) 1936fb5d4327SDasaratharaman Chandramouli { 1937fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 1938fb5d4327SDasaratharaman Chandramouli return 0; 1939fb5d4327SDasaratharaman Chandramouli 1940fb5d4327SDasaratharaman Chandramouli if (family != 6) 1941fb5d4327SDasaratharaman Chandramouli return 0; 1942fb5d4327SDasaratharaman Chandramouli 1943fb5d4327SDasaratharaman Chandramouli switch (model) { 1944fb5d4327SDasaratharaman Chandramouli case 0x57: /* Knights Landing */ 1945fb5d4327SDasaratharaman Chandramouli return 1; 1946fb5d4327SDasaratharaman Chandramouli default: 1947fb5d4327SDasaratharaman Chandramouli return 0; 1948fb5d4327SDasaratharaman Chandramouli } 1949fb5d4327SDasaratharaman Chandramouli } 19506fb3143bSLen Brown int has_config_tdp(unsigned int family, unsigned int model) 19516fb3143bSLen Brown { 19526fb3143bSLen Brown if (!genuine_intel) 19536fb3143bSLen Brown return 0; 19546fb3143bSLen Brown 19556fb3143bSLen Brown if (family != 6) 19566fb3143bSLen Brown return 0; 19576fb3143bSLen Brown 19586fb3143bSLen Brown switch (model) { 19596fb3143bSLen Brown case 0x3A: /* IVB */ 19606fb3143bSLen Brown case 0x3C: /* HSW */ 19616fb3143bSLen Brown case 0x3F: /* HSX */ 19626fb3143bSLen Brown case 0x45: /* HSW */ 19636fb3143bSLen Brown case 0x46: /* HSW */ 19646fb3143bSLen Brown case 0x3D: /* BDW */ 19656fb3143bSLen Brown case 0x47: /* BDW */ 19666fb3143bSLen Brown case 0x4F: /* BDX */ 19676fb3143bSLen Brown case 0x56: /* BDX-DE */ 19686fb3143bSLen Brown case 0x4E: /* SKL */ 19696fb3143bSLen Brown case 0x5E: /* SKL */ 19706fb3143bSLen Brown 19716fb3143bSLen Brown case 0x57: /* Knights Landing */ 19726fb3143bSLen Brown return 1; 19736fb3143bSLen Brown default: 19746fb3143bSLen Brown return 0; 19756fb3143bSLen Brown } 19766fb3143bSLen Brown } 19776fb3143bSLen Brown 1978fcd17211SLen Brown static void 1979fcd17211SLen Brown dump_cstate_pstate_config_info(family, model) 1980fcd17211SLen Brown { 1981fcd17211SLen Brown if (!do_nhm_platform_info) 1982fcd17211SLen Brown return; 1983fcd17211SLen Brown 1984fcd17211SLen Brown dump_nhm_platform_info(); 1985fcd17211SLen Brown 1986fcd17211SLen Brown if (has_hsw_turbo_ratio_limit(family, model)) 1987fcd17211SLen Brown dump_hsw_turbo_ratio_limits(); 1988fcd17211SLen Brown 1989fcd17211SLen Brown if (has_ivt_turbo_ratio_limit(family, model)) 1990fcd17211SLen Brown dump_ivt_turbo_ratio_limits(); 1991fcd17211SLen Brown 1992fcd17211SLen Brown if (has_nhm_turbo_ratio_limit(family, model)) 1993fcd17211SLen Brown dump_nhm_turbo_ratio_limits(); 1994fcd17211SLen Brown 1995fb5d4327SDasaratharaman Chandramouli if (has_knl_turbo_ratio_limit(family, model)) 1996fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(); 1997fb5d4327SDasaratharaman Chandramouli 19986fb3143bSLen Brown if (has_config_tdp(family, model)) 19996fb3143bSLen Brown dump_config_tdp(); 20006fb3143bSLen Brown 2001fcd17211SLen Brown dump_nhm_cst_cfg(); 2002fcd17211SLen Brown } 2003fcd17211SLen Brown 20046574a5d5SLen Brown 2005889facbeSLen Brown /* 2006889facbeSLen Brown * print_epb() 2007889facbeSLen Brown * Decode the ENERGY_PERF_BIAS MSR 2008889facbeSLen Brown */ 2009889facbeSLen Brown int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2010889facbeSLen Brown { 2011889facbeSLen Brown unsigned long long msr; 2012889facbeSLen Brown char *epb_string; 2013889facbeSLen Brown int cpu; 2014889facbeSLen Brown 2015889facbeSLen Brown if (!has_epb) 2016889facbeSLen Brown return 0; 2017889facbeSLen Brown 2018889facbeSLen Brown cpu = t->cpu_id; 2019889facbeSLen Brown 2020889facbeSLen Brown /* EPB is per-package */ 2021889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2022889facbeSLen Brown return 0; 2023889facbeSLen Brown 2024889facbeSLen Brown if (cpu_migrate(cpu)) { 2025889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 2026889facbeSLen Brown return -1; 2027889facbeSLen Brown } 2028889facbeSLen Brown 2029889facbeSLen Brown if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr)) 2030889facbeSLen Brown return 0; 2031889facbeSLen Brown 2032e9be7dd6SLen Brown switch (msr & 0xF) { 2033889facbeSLen Brown case ENERGY_PERF_BIAS_PERFORMANCE: 2034889facbeSLen Brown epb_string = "performance"; 2035889facbeSLen Brown break; 2036889facbeSLen Brown case ENERGY_PERF_BIAS_NORMAL: 2037889facbeSLen Brown epb_string = "balanced"; 2038889facbeSLen Brown break; 2039889facbeSLen Brown case ENERGY_PERF_BIAS_POWERSAVE: 2040889facbeSLen Brown epb_string = "powersave"; 2041889facbeSLen Brown break; 2042889facbeSLen Brown default: 2043889facbeSLen Brown epb_string = "custom"; 2044889facbeSLen Brown break; 2045889facbeSLen Brown } 2046889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string); 2047889facbeSLen Brown 2048889facbeSLen Brown return 0; 2049889facbeSLen Brown } 20507f5c258eSLen Brown /* 20517f5c258eSLen Brown * print_hwp() 20527f5c258eSLen Brown * Decode the MSR_HWP_CAPABILITIES 20537f5c258eSLen Brown */ 20547f5c258eSLen Brown int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p) 20557f5c258eSLen Brown { 20567f5c258eSLen Brown unsigned long long msr; 20577f5c258eSLen Brown int cpu; 20587f5c258eSLen Brown 20597f5c258eSLen Brown if (!has_hwp) 20607f5c258eSLen Brown return 0; 20617f5c258eSLen Brown 20627f5c258eSLen Brown cpu = t->cpu_id; 20637f5c258eSLen Brown 20647f5c258eSLen Brown /* MSR_HWP_CAPABILITIES is per-package */ 20657f5c258eSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 20667f5c258eSLen Brown return 0; 20677f5c258eSLen Brown 20687f5c258eSLen Brown if (cpu_migrate(cpu)) { 20697f5c258eSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 20707f5c258eSLen Brown return -1; 20717f5c258eSLen Brown } 20727f5c258eSLen Brown 20737f5c258eSLen Brown if (get_msr(cpu, MSR_PM_ENABLE, &msr)) 20747f5c258eSLen Brown return 0; 20757f5c258eSLen Brown 20767f5c258eSLen Brown fprintf(stderr, "cpu%d: MSR_PM_ENABLE: 0x%08llx (%sHWP)\n", 20777f5c258eSLen Brown cpu, msr, (msr & (1 << 0)) ? "" : "No-"); 20787f5c258eSLen Brown 20797f5c258eSLen Brown /* MSR_PM_ENABLE[1] == 1 if HWP is enabled and MSRs visible */ 20807f5c258eSLen Brown if ((msr & (1 << 0)) == 0) 20817f5c258eSLen Brown return 0; 20827f5c258eSLen Brown 20837f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_CAPABILITIES, &msr)) 20847f5c258eSLen Brown return 0; 20857f5c258eSLen Brown 20867f5c258eSLen Brown fprintf(stderr, "cpu%d: MSR_HWP_CAPABILITIES: 0x%08llx " 20877f5c258eSLen Brown "(high 0x%x guar 0x%x eff 0x%x low 0x%x)\n", 20887f5c258eSLen Brown cpu, msr, 20897f5c258eSLen Brown (unsigned int)HWP_HIGHEST_PERF(msr), 20907f5c258eSLen Brown (unsigned int)HWP_GUARANTEED_PERF(msr), 20917f5c258eSLen Brown (unsigned int)HWP_MOSTEFFICIENT_PERF(msr), 20927f5c258eSLen Brown (unsigned int)HWP_LOWEST_PERF(msr)); 20937f5c258eSLen Brown 20947f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST, &msr)) 20957f5c258eSLen Brown return 0; 20967f5c258eSLen Brown 20977f5c258eSLen Brown fprintf(stderr, "cpu%d: MSR_HWP_REQUEST: 0x%08llx " 20987f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x pkg 0x%x)\n", 20997f5c258eSLen Brown cpu, msr, 21007f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 21017f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 21027f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 21037f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 21047f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3), 21057f5c258eSLen Brown (unsigned int)(((msr) >> 42) & 0x1)); 21067f5c258eSLen Brown 21077f5c258eSLen Brown if (has_hwp_pkg) { 21087f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_REQUEST_PKG, &msr)) 21097f5c258eSLen Brown return 0; 21107f5c258eSLen Brown 21117f5c258eSLen Brown fprintf(stderr, "cpu%d: MSR_HWP_REQUEST_PKG: 0x%08llx " 21127f5c258eSLen Brown "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x)\n", 21137f5c258eSLen Brown cpu, msr, 21147f5c258eSLen Brown (unsigned int)(((msr) >> 0) & 0xff), 21157f5c258eSLen Brown (unsigned int)(((msr) >> 8) & 0xff), 21167f5c258eSLen Brown (unsigned int)(((msr) >> 16) & 0xff), 21177f5c258eSLen Brown (unsigned int)(((msr) >> 24) & 0xff), 21187f5c258eSLen Brown (unsigned int)(((msr) >> 32) & 0xff3)); 21197f5c258eSLen Brown } 21207f5c258eSLen Brown if (has_hwp_notify) { 21217f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_INTERRUPT, &msr)) 21227f5c258eSLen Brown return 0; 21237f5c258eSLen Brown 21247f5c258eSLen Brown fprintf(stderr, "cpu%d: MSR_HWP_INTERRUPT: 0x%08llx " 21257f5c258eSLen Brown "(%s_Guaranteed_Perf_Change, %s_Excursion_Min)\n", 21267f5c258eSLen Brown cpu, msr, 21277f5c258eSLen Brown ((msr) & 0x1) ? "EN" : "Dis", 21287f5c258eSLen Brown ((msr) & 0x2) ? "EN" : "Dis"); 21297f5c258eSLen Brown } 21307f5c258eSLen Brown if (get_msr(cpu, MSR_HWP_STATUS, &msr)) 21317f5c258eSLen Brown return 0; 21327f5c258eSLen Brown 21337f5c258eSLen Brown fprintf(stderr, "cpu%d: MSR_HWP_STATUS: 0x%08llx " 21347f5c258eSLen Brown "(%sGuaranteed_Perf_Change, %sExcursion_Min)\n", 21357f5c258eSLen Brown cpu, msr, 21367f5c258eSLen Brown ((msr) & 0x1) ? "" : "No-", 21377f5c258eSLen Brown ((msr) & 0x2) ? "" : "No-"); 21387f5c258eSLen Brown 21397f5c258eSLen Brown return 0; 21407f5c258eSLen Brown } 2141889facbeSLen Brown 21423a9a941dSLen Brown /* 21433a9a941dSLen Brown * print_perf_limit() 21443a9a941dSLen Brown */ 21453a9a941dSLen Brown int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p) 21463a9a941dSLen Brown { 21473a9a941dSLen Brown unsigned long long msr; 21483a9a941dSLen Brown int cpu; 21493a9a941dSLen Brown 21503a9a941dSLen Brown cpu = t->cpu_id; 21513a9a941dSLen Brown 21523a9a941dSLen Brown /* per-package */ 21533a9a941dSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 21543a9a941dSLen Brown return 0; 21553a9a941dSLen Brown 21563a9a941dSLen Brown if (cpu_migrate(cpu)) { 21573a9a941dSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 21583a9a941dSLen Brown return -1; 21593a9a941dSLen Brown } 21603a9a941dSLen Brown 21613a9a941dSLen Brown if (do_core_perf_limit_reasons) { 21623a9a941dSLen Brown get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr); 21633a9a941dSLen Brown fprintf(stderr, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 21643a9a941dSLen Brown fprintf(stderr, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)", 2165e33cbe85SLen Brown (msr & 1 << 15) ? "bit15, " : "", 21663a9a941dSLen Brown (msr & 1 << 14) ? "bit14, " : "", 2167e33cbe85SLen Brown (msr & 1 << 13) ? "Transitions, " : "", 2168e33cbe85SLen Brown (msr & 1 << 12) ? "MultiCoreTurbo, " : "", 2169e33cbe85SLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : "", 2170e33cbe85SLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 2171e33cbe85SLen Brown (msr & 1 << 9) ? "CorePwr, " : "", 2172e33cbe85SLen Brown (msr & 1 << 8) ? "Amps, " : "", 2173e33cbe85SLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 2174e33cbe85SLen Brown (msr & 1 << 5) ? "Auto-HWP, " : "", 2175e33cbe85SLen Brown (msr & 1 << 4) ? "Graphics, " : "", 2176e33cbe85SLen Brown (msr & 1 << 2) ? "bit2, " : "", 2177e33cbe85SLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 2178e33cbe85SLen Brown (msr & 1 << 0) ? "PROCHOT, " : ""); 21793a9a941dSLen Brown fprintf(stderr, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n", 2180e33cbe85SLen Brown (msr & 1 << 31) ? "bit31, " : "", 21813a9a941dSLen Brown (msr & 1 << 30) ? "bit30, " : "", 2182e33cbe85SLen Brown (msr & 1 << 29) ? "Transitions, " : "", 2183e33cbe85SLen Brown (msr & 1 << 28) ? "MultiCoreTurbo, " : "", 2184e33cbe85SLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : "", 2185e33cbe85SLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 2186e33cbe85SLen Brown (msr & 1 << 25) ? "CorePwr, " : "", 2187e33cbe85SLen Brown (msr & 1 << 24) ? "Amps, " : "", 2188e33cbe85SLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 2189e33cbe85SLen Brown (msr & 1 << 21) ? "Auto-HWP, " : "", 2190e33cbe85SLen Brown (msr & 1 << 20) ? "Graphics, " : "", 2191e33cbe85SLen Brown (msr & 1 << 18) ? "bit18, " : "", 2192e33cbe85SLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 2193e33cbe85SLen Brown (msr & 1 << 16) ? "PROCHOT, " : ""); 21943a9a941dSLen Brown 21953a9a941dSLen Brown } 21963a9a941dSLen Brown if (do_gfx_perf_limit_reasons) { 21973a9a941dSLen Brown get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr); 21983a9a941dSLen Brown fprintf(stderr, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 21993a9a941dSLen Brown fprintf(stderr, " (Active: %s%s%s%s%s%s%s%s)", 22003a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 22013a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 22023a9a941dSLen Brown (msr & 1 << 4) ? "Graphics, " : "", 22033a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 22043a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 22053a9a941dSLen Brown (msr & 1 << 9) ? "GFXPwr, " : "", 22063a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 22073a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 22083a9a941dSLen Brown fprintf(stderr, " (Logged: %s%s%s%s%s%s%s%s)\n", 22093a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 22103a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 22113a9a941dSLen Brown (msr & 1 << 20) ? "Graphics, " : "", 22123a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 22133a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 22143a9a941dSLen Brown (msr & 1 << 25) ? "GFXPwr, " : "", 22153a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 22163a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 22173a9a941dSLen Brown } 22183a9a941dSLen Brown if (do_ring_perf_limit_reasons) { 22193a9a941dSLen Brown get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr); 22203a9a941dSLen Brown fprintf(stderr, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 22213a9a941dSLen Brown fprintf(stderr, " (Active: %s%s%s%s%s%s)", 22223a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 22233a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 22243a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 22253a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 22263a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 22273a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 22283a9a941dSLen Brown fprintf(stderr, " (Logged: %s%s%s%s%s%s)\n", 22293a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 22303a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 22313a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 22323a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 22333a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 22343a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 22353a9a941dSLen Brown } 22363a9a941dSLen Brown return 0; 22373a9a941dSLen Brown } 22383a9a941dSLen Brown 2239889facbeSLen Brown #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */ 2240889facbeSLen Brown #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */ 2241889facbeSLen Brown 2242144b44b1SLen Brown double get_tdp(model) 2243144b44b1SLen Brown { 2244144b44b1SLen Brown unsigned long long msr; 2245144b44b1SLen Brown 2246144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) 22477ce7d5deSPrarit Bhargava if (!get_msr(base_cpu, MSR_PKG_POWER_INFO, &msr)) 2248144b44b1SLen Brown return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units; 2249144b44b1SLen Brown 2250144b44b1SLen Brown switch (model) { 2251144b44b1SLen Brown case 0x37: 2252144b44b1SLen Brown case 0x4D: 2253144b44b1SLen Brown return 30.0; 2254144b44b1SLen Brown default: 2255144b44b1SLen Brown return 135.0; 2256144b44b1SLen Brown } 2257144b44b1SLen Brown } 2258144b44b1SLen Brown 225940ee8e3bSAndrey Semin /* 226040ee8e3bSAndrey Semin * rapl_dram_energy_units_probe() 226140ee8e3bSAndrey Semin * Energy units are either hard-coded, or come from RAPL Energy Unit MSR. 226240ee8e3bSAndrey Semin */ 226340ee8e3bSAndrey Semin static double 226440ee8e3bSAndrey Semin rapl_dram_energy_units_probe(int model, double rapl_energy_units) 226540ee8e3bSAndrey Semin { 226640ee8e3bSAndrey Semin /* only called for genuine_intel, family 6 */ 226740ee8e3bSAndrey Semin 226840ee8e3bSAndrey Semin switch (model) { 226940ee8e3bSAndrey Semin case 0x3F: /* HSX */ 227040ee8e3bSAndrey Semin case 0x4F: /* BDX */ 227140ee8e3bSAndrey Semin case 0x56: /* BDX-DE */ 2272fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 227340ee8e3bSAndrey Semin return (rapl_dram_energy_units = 15.3 / 1000000); 227440ee8e3bSAndrey Semin default: 227540ee8e3bSAndrey Semin return (rapl_energy_units); 227640ee8e3bSAndrey Semin } 227740ee8e3bSAndrey Semin } 227840ee8e3bSAndrey Semin 2279144b44b1SLen Brown 2280889facbeSLen Brown /* 2281889facbeSLen Brown * rapl_probe() 2282889facbeSLen Brown * 2283144b44b1SLen Brown * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units 2284889facbeSLen Brown */ 2285889facbeSLen Brown void rapl_probe(unsigned int family, unsigned int model) 2286889facbeSLen Brown { 2287889facbeSLen Brown unsigned long long msr; 2288144b44b1SLen Brown unsigned int time_unit; 2289889facbeSLen Brown double tdp; 2290889facbeSLen Brown 2291889facbeSLen Brown if (!genuine_intel) 2292889facbeSLen Brown return; 2293889facbeSLen Brown 2294889facbeSLen Brown if (family != 6) 2295889facbeSLen Brown return; 2296889facbeSLen Brown 2297889facbeSLen Brown switch (model) { 2298889facbeSLen Brown case 0x2A: 2299889facbeSLen Brown case 0x3A: 230070b43400SLen Brown case 0x3C: /* HSW */ 230170b43400SLen Brown case 0x45: /* HSW */ 2302149c2319SLen Brown case 0x46: /* HSW */ 23034e8e863fSLen Brown case 0x3D: /* BDW */ 230448a0631cSLen Brown case 0x47: /* BDW */ 2305144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO; 2306889facbeSLen Brown break; 23070b2bb692SLen Brown case 0x4E: /* SKL */ 23080b2bb692SLen Brown case 0x5E: /* SKL */ 23090b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 23100b2bb692SLen Brown break; 2311e6f9bb3cSLen Brown case 0x3F: /* HSX */ 23124e8e863fSLen Brown case 0x4F: /* BDX */ 23134e8e863fSLen Brown case 0x56: /* BDX-DE */ 2314fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 23150b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 2316e6f9bb3cSLen Brown break; 2317889facbeSLen Brown case 0x2D: 2318889facbeSLen Brown case 0x3E: 23190b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO; 2320144b44b1SLen Brown break; 2321144b44b1SLen Brown case 0x37: /* BYT */ 2322144b44b1SLen Brown case 0x4D: /* AVN */ 2323144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES ; 2324889facbeSLen Brown break; 2325889facbeSLen Brown default: 2326889facbeSLen Brown return; 2327889facbeSLen Brown } 2328889facbeSLen Brown 2329889facbeSLen Brown /* units on package 0, verify later other packages match */ 23307ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr)) 2331889facbeSLen Brown return; 2332889facbeSLen Brown 2333889facbeSLen Brown rapl_power_units = 1.0 / (1 << (msr & 0xF)); 2334144b44b1SLen Brown if (model == 0x37) 2335144b44b1SLen Brown rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000; 2336144b44b1SLen Brown else 2337889facbeSLen Brown rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F)); 2338889facbeSLen Brown 233940ee8e3bSAndrey Semin rapl_dram_energy_units = rapl_dram_energy_units_probe(model, rapl_energy_units); 234040ee8e3bSAndrey Semin 2341144b44b1SLen Brown time_unit = msr >> 16 & 0xF; 2342144b44b1SLen Brown if (time_unit == 0) 2343144b44b1SLen Brown time_unit = 0xA; 2344889facbeSLen Brown 2345144b44b1SLen Brown rapl_time_units = 1.0 / (1 << (time_unit)); 2346144b44b1SLen Brown 2347144b44b1SLen Brown tdp = get_tdp(model); 2348889facbeSLen Brown 2349889facbeSLen Brown rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp; 2350d8af6f5fSLen Brown if (debug) 2351144b44b1SLen Brown fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp); 2352889facbeSLen Brown 2353889facbeSLen Brown return; 2354889facbeSLen Brown } 2355889facbeSLen Brown 23563a9a941dSLen Brown void perf_limit_reasons_probe(family, model) 23573a9a941dSLen Brown { 23583a9a941dSLen Brown if (!genuine_intel) 23593a9a941dSLen Brown return; 23603a9a941dSLen Brown 23613a9a941dSLen Brown if (family != 6) 23623a9a941dSLen Brown return; 23633a9a941dSLen Brown 23643a9a941dSLen Brown switch (model) { 23653a9a941dSLen Brown case 0x3C: /* HSW */ 23663a9a941dSLen Brown case 0x45: /* HSW */ 23673a9a941dSLen Brown case 0x46: /* HSW */ 23683a9a941dSLen Brown do_gfx_perf_limit_reasons = 1; 23693a9a941dSLen Brown case 0x3F: /* HSX */ 23703a9a941dSLen Brown do_core_perf_limit_reasons = 1; 23713a9a941dSLen Brown do_ring_perf_limit_reasons = 1; 23723a9a941dSLen Brown default: 23733a9a941dSLen Brown return; 23743a9a941dSLen Brown } 23753a9a941dSLen Brown } 23763a9a941dSLen Brown 2377889facbeSLen Brown int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2378889facbeSLen Brown { 2379889facbeSLen Brown unsigned long long msr; 2380889facbeSLen Brown unsigned int dts; 2381889facbeSLen Brown int cpu; 2382889facbeSLen Brown 2383889facbeSLen Brown if (!(do_dts || do_ptm)) 2384889facbeSLen Brown return 0; 2385889facbeSLen Brown 2386889facbeSLen Brown cpu = t->cpu_id; 2387889facbeSLen Brown 2388889facbeSLen Brown /* DTS is per-core, no need to print for each thread */ 2389889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 2390889facbeSLen Brown return 0; 2391889facbeSLen Brown 2392889facbeSLen Brown if (cpu_migrate(cpu)) { 2393889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 2394889facbeSLen Brown return -1; 2395889facbeSLen Brown } 2396889facbeSLen Brown 2397889facbeSLen Brown if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) { 2398889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 2399889facbeSLen Brown return 0; 2400889facbeSLen Brown 2401889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2402889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", 2403889facbeSLen Brown cpu, msr, tcc_activation_temp - dts); 2404889facbeSLen Brown 2405889facbeSLen Brown #ifdef THERM_DEBUG 2406889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr)) 2407889facbeSLen Brown return 0; 2408889facbeSLen Brown 2409889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2410889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2411889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2412889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2413889facbeSLen Brown #endif 2414889facbeSLen Brown } 2415889facbeSLen Brown 2416889facbeSLen Brown 2417889facbeSLen Brown if (do_dts) { 2418889facbeSLen Brown unsigned int resolution; 2419889facbeSLen Brown 2420889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 2421889facbeSLen Brown return 0; 2422889facbeSLen Brown 2423889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2424889facbeSLen Brown resolution = (msr >> 27) & 0xF; 2425889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n", 2426889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, resolution); 2427889facbeSLen Brown 2428889facbeSLen Brown #ifdef THERM_DEBUG 2429889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr)) 2430889facbeSLen Brown return 0; 2431889facbeSLen Brown 2432889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2433889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2434889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2435889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2436889facbeSLen Brown #endif 2437889facbeSLen Brown } 2438889facbeSLen Brown 2439889facbeSLen Brown return 0; 2440889facbeSLen Brown } 2441889facbeSLen Brown 2442889facbeSLen Brown void print_power_limit_msr(int cpu, unsigned long long msr, char *label) 2443889facbeSLen Brown { 2444889facbeSLen Brown fprintf(stderr, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n", 2445889facbeSLen Brown cpu, label, 2446889facbeSLen Brown ((msr >> 15) & 1) ? "EN" : "DIS", 2447889facbeSLen Brown ((msr >> 0) & 0x7FFF) * rapl_power_units, 2448889facbeSLen Brown (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units, 2449889facbeSLen Brown (((msr >> 16) & 1) ? "EN" : "DIS")); 2450889facbeSLen Brown 2451889facbeSLen Brown return; 2452889facbeSLen Brown } 2453889facbeSLen Brown 2454889facbeSLen Brown int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2455889facbeSLen Brown { 2456889facbeSLen Brown unsigned long long msr; 2457889facbeSLen Brown int cpu; 2458889facbeSLen Brown 2459889facbeSLen Brown if (!do_rapl) 2460889facbeSLen Brown return 0; 2461889facbeSLen Brown 2462889facbeSLen Brown /* RAPL counters are per package, so print only for 1st thread/package */ 2463889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2464889facbeSLen Brown return 0; 2465889facbeSLen Brown 2466889facbeSLen Brown cpu = t->cpu_id; 2467889facbeSLen Brown if (cpu_migrate(cpu)) { 2468889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 2469889facbeSLen Brown return -1; 2470889facbeSLen Brown } 2471889facbeSLen Brown 2472889facbeSLen Brown if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr)) 2473889facbeSLen Brown return -1; 2474889facbeSLen Brown 2475d8af6f5fSLen Brown if (debug) { 2476889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx " 2477889facbeSLen Brown "(%f Watts, %f Joules, %f sec.)\n", cpu, msr, 2478144b44b1SLen Brown rapl_power_units, rapl_energy_units, rapl_time_units); 2479889facbeSLen Brown } 2480144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) { 2481144b44b1SLen Brown 2482889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr)) 2483889facbeSLen Brown return -5; 2484889facbeSLen Brown 2485889facbeSLen Brown 2486889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2487889facbeSLen Brown cpu, msr, 2488889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2489889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2490889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2491889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 2492889facbeSLen Brown 2493144b44b1SLen Brown } 2494144b44b1SLen Brown if (do_rapl & RAPL_PKG) { 2495144b44b1SLen Brown 2496889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr)) 2497889facbeSLen Brown return -9; 2498889facbeSLen Brown 2499889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n", 2500889facbeSLen Brown cpu, msr, (msr >> 63) & 1 ? "": "UN"); 2501889facbeSLen Brown 2502889facbeSLen Brown print_power_limit_msr(cpu, msr, "PKG Limit #1"); 2503889facbeSLen Brown fprintf(stderr, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n", 2504889facbeSLen Brown cpu, 2505889facbeSLen Brown ((msr >> 47) & 1) ? "EN" : "DIS", 2506889facbeSLen Brown ((msr >> 32) & 0x7FFF) * rapl_power_units, 2507889facbeSLen Brown (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units, 2508889facbeSLen Brown ((msr >> 48) & 1) ? "EN" : "DIS"); 2509889facbeSLen Brown } 2510889facbeSLen Brown 25110b2bb692SLen Brown if (do_rapl & RAPL_DRAM_POWER_INFO) { 2512889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr)) 2513889facbeSLen Brown return -6; 2514889facbeSLen Brown 2515889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2516889facbeSLen Brown cpu, msr, 2517889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2518889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2519889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2520889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 25210b2bb692SLen Brown } 25220b2bb692SLen Brown if (do_rapl & RAPL_DRAM) { 2523889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr)) 2524889facbeSLen Brown return -9; 2525889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n", 2526889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2527889facbeSLen Brown 2528889facbeSLen Brown print_power_limit_msr(cpu, msr, "DRAM Limit"); 2529889facbeSLen Brown } 2530144b44b1SLen Brown if (do_rapl & RAPL_CORE_POLICY) { 2531d8af6f5fSLen Brown if (debug) { 2532889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POLICY, &msr)) 2533889facbeSLen Brown return -7; 2534889facbeSLen Brown 2535889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF); 2536144b44b1SLen Brown } 2537144b44b1SLen Brown } 2538144b44b1SLen Brown if (do_rapl & RAPL_CORES) { 2539d8af6f5fSLen Brown if (debug) { 2540889facbeSLen Brown 2541889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr)) 2542889facbeSLen Brown return -9; 2543889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n", 2544889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2545889facbeSLen Brown print_power_limit_msr(cpu, msr, "Cores Limit"); 2546889facbeSLen Brown } 2547889facbeSLen Brown } 2548889facbeSLen Brown if (do_rapl & RAPL_GFX) { 2549d8af6f5fSLen Brown if (debug) { 2550889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POLICY, &msr)) 2551889facbeSLen Brown return -8; 2552889facbeSLen Brown 2553889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF); 2554889facbeSLen Brown 2555889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr)) 2556889facbeSLen Brown return -9; 2557889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n", 2558889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2559889facbeSLen Brown print_power_limit_msr(cpu, msr, "GFX Limit"); 2560889facbeSLen Brown } 2561889facbeSLen Brown } 2562889facbeSLen Brown return 0; 2563889facbeSLen Brown } 2564889facbeSLen Brown 2565d7899447SLen Brown /* 2566d7899447SLen Brown * SNB adds support for additional MSRs: 2567d7899447SLen Brown * 2568d7899447SLen Brown * MSR_PKG_C7_RESIDENCY 0x000003fa 2569d7899447SLen Brown * MSR_CORE_C7_RESIDENCY 0x000003fe 2570d7899447SLen Brown * MSR_PKG_C2_RESIDENCY 0x0000060d 2571d7899447SLen Brown */ 2572103a8feaSLen Brown 2573d7899447SLen Brown int has_snb_msrs(unsigned int family, unsigned int model) 2574103a8feaSLen Brown { 2575103a8feaSLen Brown if (!genuine_intel) 2576103a8feaSLen Brown return 0; 2577103a8feaSLen Brown 2578103a8feaSLen Brown switch (model) { 2579103a8feaSLen Brown case 0x2A: 2580103a8feaSLen Brown case 0x2D: 2581650a37f3SLen Brown case 0x3A: /* IVB */ 25821300651bSLen Brown case 0x3E: /* IVB Xeon */ 258370b43400SLen Brown case 0x3C: /* HSW */ 258470b43400SLen Brown case 0x3F: /* HSW */ 258570b43400SLen Brown case 0x45: /* HSW */ 2586149c2319SLen Brown case 0x46: /* HSW */ 25874e8e863fSLen Brown case 0x3D: /* BDW */ 258848a0631cSLen Brown case 0x47: /* BDW */ 25894e8e863fSLen Brown case 0x4F: /* BDX */ 25904e8e863fSLen Brown case 0x56: /* BDX-DE */ 25910b2bb692SLen Brown case 0x4E: /* SKL */ 25920b2bb692SLen Brown case 0x5E: /* SKL */ 2593103a8feaSLen Brown return 1; 2594103a8feaSLen Brown } 2595103a8feaSLen Brown return 0; 2596103a8feaSLen Brown } 2597103a8feaSLen Brown 2598d7899447SLen Brown /* 2599d7899447SLen Brown * HSW adds support for additional MSRs: 2600d7899447SLen Brown * 2601d7899447SLen Brown * MSR_PKG_C8_RESIDENCY 0x00000630 2602d7899447SLen Brown * MSR_PKG_C9_RESIDENCY 0x00000631 2603d7899447SLen Brown * MSR_PKG_C10_RESIDENCY 0x00000632 2604d7899447SLen Brown */ 2605d7899447SLen Brown int has_hsw_msrs(unsigned int family, unsigned int model) 2606ca58710fSKristen Carlson Accardi { 2607ca58710fSKristen Carlson Accardi if (!genuine_intel) 2608ca58710fSKristen Carlson Accardi return 0; 2609ca58710fSKristen Carlson Accardi 2610ca58710fSKristen Carlson Accardi switch (model) { 26114e8e863fSLen Brown case 0x45: /* HSW */ 26124e8e863fSLen Brown case 0x3D: /* BDW */ 26130b2bb692SLen Brown case 0x4E: /* SKL */ 26140b2bb692SLen Brown case 0x5E: /* SKL */ 2615ca58710fSKristen Carlson Accardi return 1; 2616ca58710fSKristen Carlson Accardi } 2617ca58710fSKristen Carlson Accardi return 0; 2618ca58710fSKristen Carlson Accardi } 2619ca58710fSKristen Carlson Accardi 26200b2bb692SLen Brown /* 26210b2bb692SLen Brown * SKL adds support for additional MSRS: 26220b2bb692SLen Brown * 26230b2bb692SLen Brown * MSR_PKG_WEIGHTED_CORE_C0_RES 0x00000658 26240b2bb692SLen Brown * MSR_PKG_ANY_CORE_C0_RES 0x00000659 26250b2bb692SLen Brown * MSR_PKG_ANY_GFXE_C0_RES 0x0000065A 26260b2bb692SLen Brown * MSR_PKG_BOTH_CORE_GFXE_C0_RES 0x0000065B 26270b2bb692SLen Brown */ 26280b2bb692SLen Brown int has_skl_msrs(unsigned int family, unsigned int model) 26290b2bb692SLen Brown { 26300b2bb692SLen Brown if (!genuine_intel) 26310b2bb692SLen Brown return 0; 26320b2bb692SLen Brown 26330b2bb692SLen Brown switch (model) { 26340b2bb692SLen Brown case 0x4E: /* SKL */ 26350b2bb692SLen Brown case 0x5E: /* SKL */ 26360b2bb692SLen Brown return 1; 26370b2bb692SLen Brown } 26380b2bb692SLen Brown return 0; 26390b2bb692SLen Brown } 26400b2bb692SLen Brown 26410b2bb692SLen Brown 2642ca58710fSKristen Carlson Accardi 2643144b44b1SLen Brown int is_slm(unsigned int family, unsigned int model) 2644144b44b1SLen Brown { 2645144b44b1SLen Brown if (!genuine_intel) 2646144b44b1SLen Brown return 0; 2647144b44b1SLen Brown switch (model) { 2648144b44b1SLen Brown case 0x37: /* BYT */ 2649144b44b1SLen Brown case 0x4D: /* AVN */ 2650144b44b1SLen Brown return 1; 2651144b44b1SLen Brown } 2652144b44b1SLen Brown return 0; 2653144b44b1SLen Brown } 2654144b44b1SLen Brown 2655fb5d4327SDasaratharaman Chandramouli int is_knl(unsigned int family, unsigned int model) 2656fb5d4327SDasaratharaman Chandramouli { 2657fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 2658fb5d4327SDasaratharaman Chandramouli return 0; 2659fb5d4327SDasaratharaman Chandramouli switch (model) { 2660fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 2661fb5d4327SDasaratharaman Chandramouli return 1; 2662fb5d4327SDasaratharaman Chandramouli } 2663fb5d4327SDasaratharaman Chandramouli return 0; 2664fb5d4327SDasaratharaman Chandramouli } 2665fb5d4327SDasaratharaman Chandramouli 2666b2b34dfeSHubert Chrzaniuk unsigned int get_aperf_mperf_multiplier(unsigned int family, unsigned int model) 2667b2b34dfeSHubert Chrzaniuk { 2668b2b34dfeSHubert Chrzaniuk if (is_knl(family, model)) 2669b2b34dfeSHubert Chrzaniuk return 1024; 2670b2b34dfeSHubert Chrzaniuk return 1; 2671b2b34dfeSHubert Chrzaniuk } 2672b2b34dfeSHubert Chrzaniuk 2673144b44b1SLen Brown #define SLM_BCLK_FREQS 5 2674144b44b1SLen Brown double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0}; 2675144b44b1SLen Brown 2676144b44b1SLen Brown double slm_bclk(void) 2677144b44b1SLen Brown { 2678144b44b1SLen Brown unsigned long long msr = 3; 2679144b44b1SLen Brown unsigned int i; 2680144b44b1SLen Brown double freq; 2681144b44b1SLen Brown 26827ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_FSB_FREQ, &msr)) 2683144b44b1SLen Brown fprintf(stderr, "SLM BCLK: unknown\n"); 2684144b44b1SLen Brown 2685144b44b1SLen Brown i = msr & 0xf; 2686144b44b1SLen Brown if (i >= SLM_BCLK_FREQS) { 2687144b44b1SLen Brown fprintf(stderr, "SLM BCLK[%d] invalid\n", i); 2688144b44b1SLen Brown msr = 3; 2689144b44b1SLen Brown } 2690144b44b1SLen Brown freq = slm_freq_table[i]; 2691144b44b1SLen Brown 2692144b44b1SLen Brown fprintf(stderr, "SLM BCLK: %.1f Mhz\n", freq); 2693144b44b1SLen Brown 2694144b44b1SLen Brown return freq; 2695144b44b1SLen Brown } 2696144b44b1SLen Brown 2697103a8feaSLen Brown double discover_bclk(unsigned int family, unsigned int model) 2698103a8feaSLen Brown { 2699121b48bbSChrzaniuk, Hubert if (has_snb_msrs(family, model) || is_knl(family, model)) 2700103a8feaSLen Brown return 100.00; 2701144b44b1SLen Brown else if (is_slm(family, model)) 2702144b44b1SLen Brown return slm_bclk(); 2703103a8feaSLen Brown else 2704103a8feaSLen Brown return 133.33; 2705103a8feaSLen Brown } 2706103a8feaSLen Brown 2707889facbeSLen Brown /* 2708889facbeSLen Brown * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where 2709889facbeSLen Brown * the Thermal Control Circuit (TCC) activates. 2710889facbeSLen Brown * This is usually equal to tjMax. 2711889facbeSLen Brown * 2712889facbeSLen Brown * Older processors do not have this MSR, so there we guess, 2713889facbeSLen Brown * but also allow cmdline over-ride with -T. 2714889facbeSLen Brown * 2715889facbeSLen Brown * Several MSR temperature values are in units of degrees-C 2716889facbeSLen Brown * below this value, including the Digital Thermal Sensor (DTS), 2717889facbeSLen Brown * Package Thermal Management Sensor (PTM), and thermal event thresholds. 2718889facbeSLen Brown */ 2719889facbeSLen Brown int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2720889facbeSLen Brown { 2721889facbeSLen Brown unsigned long long msr; 2722889facbeSLen Brown unsigned int target_c_local; 2723889facbeSLen Brown int cpu; 2724889facbeSLen Brown 2725889facbeSLen Brown /* tcc_activation_temp is used only for dts or ptm */ 2726889facbeSLen Brown if (!(do_dts || do_ptm)) 2727889facbeSLen Brown return 0; 2728889facbeSLen Brown 2729889facbeSLen Brown /* this is a per-package concept */ 2730889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2731889facbeSLen Brown return 0; 2732889facbeSLen Brown 2733889facbeSLen Brown cpu = t->cpu_id; 2734889facbeSLen Brown if (cpu_migrate(cpu)) { 2735889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 2736889facbeSLen Brown return -1; 2737889facbeSLen Brown } 2738889facbeSLen Brown 2739889facbeSLen Brown if (tcc_activation_temp_override != 0) { 2740889facbeSLen Brown tcc_activation_temp = tcc_activation_temp_override; 2741889facbeSLen Brown fprintf(stderr, "cpu%d: Using cmdline TCC Target (%d C)\n", 2742889facbeSLen Brown cpu, tcc_activation_temp); 2743889facbeSLen Brown return 0; 2744889facbeSLen Brown } 2745889facbeSLen Brown 2746889facbeSLen Brown /* Temperature Target MSR is Nehalem and newer only */ 2747d7899447SLen Brown if (!do_nhm_platform_info) 2748889facbeSLen Brown goto guess; 2749889facbeSLen Brown 27507ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr)) 2751889facbeSLen Brown goto guess; 2752889facbeSLen Brown 27533482124aSJean Delvare target_c_local = (msr >> 16) & 0xFF; 2754889facbeSLen Brown 2755d8af6f5fSLen Brown if (debug) 2756889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", 2757889facbeSLen Brown cpu, msr, target_c_local); 2758889facbeSLen Brown 27593482124aSJean Delvare if (!target_c_local) 2760889facbeSLen Brown goto guess; 2761889facbeSLen Brown 2762889facbeSLen Brown tcc_activation_temp = target_c_local; 2763889facbeSLen Brown 2764889facbeSLen Brown return 0; 2765889facbeSLen Brown 2766889facbeSLen Brown guess: 2767889facbeSLen Brown tcc_activation_temp = TJMAX_DEFAULT; 2768889facbeSLen Brown fprintf(stderr, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n", 2769889facbeSLen Brown cpu, tcc_activation_temp); 2770889facbeSLen Brown 2771889facbeSLen Brown return 0; 2772889facbeSLen Brown } 277369807a63SLen Brown 277469807a63SLen Brown void decode_misc_enable_msr(void) 277569807a63SLen Brown { 277669807a63SLen Brown unsigned long long msr; 277769807a63SLen Brown 277869807a63SLen Brown if (!get_msr(base_cpu, MSR_IA32_MISC_ENABLE, &msr)) 277969807a63SLen Brown fprintf(stderr, "cpu%d: MSR_IA32_MISC_ENABLE: 0x%08llx (%s %s %s)\n", 278069807a63SLen Brown base_cpu, msr, 278169807a63SLen Brown msr & (1 << 3) ? "TCC" : "", 278269807a63SLen Brown msr & (1 << 16) ? "EIST" : "", 278369807a63SLen Brown msr & (1 << 18) ? "MONITOR" : ""); 278469807a63SLen Brown } 278569807a63SLen Brown 2786f0057310SLen Brown /* 2787f0057310SLen Brown * Decode MSR_MISC_PWR_MGMT 2788f0057310SLen Brown * 2789f0057310SLen Brown * Decode the bits according to the Nehalem documentation 2790f0057310SLen Brown * bit[0] seems to continue to have same meaning going forward 2791f0057310SLen Brown * bit[1] less so... 2792f0057310SLen Brown */ 2793f0057310SLen Brown void decode_misc_pwr_mgmt_msr(void) 2794f0057310SLen Brown { 2795f0057310SLen Brown unsigned long long msr; 2796f0057310SLen Brown 2797f0057310SLen Brown if (!do_nhm_platform_info) 2798f0057310SLen Brown return; 2799f0057310SLen Brown 2800f0057310SLen Brown if (!get_msr(base_cpu, MSR_MISC_PWR_MGMT, &msr)) 2801f0057310SLen Brown fprintf(stderr, "cpu%d: MSR_MISC_PWR_MGMT: 0x%08llx (%sable-EIST_Coordination %sable-EPB)\n", 2802f0057310SLen Brown base_cpu, msr, 2803f0057310SLen Brown msr & (1 << 0) ? "DIS" : "EN", 2804f0057310SLen Brown msr & (1 << 1) ? "EN" : "DIS"); 2805f0057310SLen Brown } 28067f5c258eSLen Brown 2807fcd17211SLen Brown void process_cpuid() 2808103a8feaSLen Brown { 280961a87ba7SLen Brown unsigned int eax, ebx, ecx, edx, max_level, max_extended_level; 2810103a8feaSLen Brown unsigned int fms, family, model, stepping; 2811103a8feaSLen Brown 2812103a8feaSLen Brown eax = ebx = ecx = edx = 0; 2813103a8feaSLen Brown 28142b92865eSJosh Triplett __get_cpuid(0, &max_level, &ebx, &ecx, &edx); 2815103a8feaSLen Brown 2816103a8feaSLen Brown if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e) 2817103a8feaSLen Brown genuine_intel = 1; 2818103a8feaSLen Brown 2819d8af6f5fSLen Brown if (debug) 2820889facbeSLen Brown fprintf(stderr, "CPUID(0): %.4s%.4s%.4s ", 2821103a8feaSLen Brown (char *)&ebx, (char *)&edx, (char *)&ecx); 2822103a8feaSLen Brown 28232b92865eSJosh Triplett __get_cpuid(1, &fms, &ebx, &ecx, &edx); 2824103a8feaSLen Brown family = (fms >> 8) & 0xf; 2825103a8feaSLen Brown model = (fms >> 4) & 0xf; 2826103a8feaSLen Brown stepping = fms & 0xf; 2827103a8feaSLen Brown if (family == 6 || family == 0xf) 2828103a8feaSLen Brown model += ((fms >> 16) & 0xf) << 4; 2829103a8feaSLen Brown 283069807a63SLen Brown if (debug) { 2831103a8feaSLen Brown fprintf(stderr, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n", 2832103a8feaSLen Brown max_level, family, model, stepping, family, model, stepping); 283369807a63SLen Brown fprintf(stderr, "CPUID(1): %s %s %s %s %s %s %s %s\n", 283469807a63SLen Brown ecx & (1 << 0) ? "SSE3" : "-", 283569807a63SLen Brown ecx & (1 << 3) ? "MONITOR" : "-", 283669807a63SLen Brown ecx & (1 << 7) ? "EIST" : "-", 283769807a63SLen Brown ecx & (1 << 8) ? "TM2" : "-", 283869807a63SLen Brown edx & (1 << 4) ? "TSC" : "-", 283969807a63SLen Brown edx & (1 << 5) ? "MSR" : "-", 284069807a63SLen Brown edx & (1 << 22) ? "ACPI-TM" : "-", 284169807a63SLen Brown edx & (1 << 29) ? "TM" : "-"); 284269807a63SLen Brown } 2843103a8feaSLen Brown 2844b2c95d90SJosh Triplett if (!(edx & (1 << 5))) 2845b2c95d90SJosh Triplett errx(1, "CPUID: no MSR"); 2846103a8feaSLen Brown 2847103a8feaSLen Brown /* 2848103a8feaSLen Brown * check max extended function levels of CPUID. 2849103a8feaSLen Brown * This is needed to check for invariant TSC. 2850103a8feaSLen Brown * This check is valid for both Intel and AMD. 2851103a8feaSLen Brown */ 2852103a8feaSLen Brown ebx = ecx = edx = 0; 285361a87ba7SLen Brown __get_cpuid(0x80000000, &max_extended_level, &ebx, &ecx, &edx); 2854103a8feaSLen Brown 285561a87ba7SLen Brown if (max_extended_level >= 0x80000007) { 2856103a8feaSLen Brown 2857103a8feaSLen Brown /* 2858103a8feaSLen Brown * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8 2859103a8feaSLen Brown * this check is valid for both Intel and AMD 2860103a8feaSLen Brown */ 28612b92865eSJosh Triplett __get_cpuid(0x80000007, &eax, &ebx, &ecx, &edx); 28628209e054SThomas Renninger has_invariant_tsc = edx & (1 << 8); 2863d7899447SLen Brown } 2864103a8feaSLen Brown 2865103a8feaSLen Brown /* 2866103a8feaSLen Brown * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0 2867103a8feaSLen Brown * this check is valid for both Intel and AMD 2868103a8feaSLen Brown */ 2869103a8feaSLen Brown 28702b92865eSJosh Triplett __get_cpuid(0x6, &eax, &ebx, &ecx, &edx); 28718209e054SThomas Renninger has_aperf = ecx & (1 << 0); 2872889facbeSLen Brown do_dts = eax & (1 << 0); 2873889facbeSLen Brown do_ptm = eax & (1 << 6); 28747f5c258eSLen Brown has_hwp = eax & (1 << 7); 28757f5c258eSLen Brown has_hwp_notify = eax & (1 << 8); 28767f5c258eSLen Brown has_hwp_activity_window = eax & (1 << 9); 28777f5c258eSLen Brown has_hwp_epp = eax & (1 << 10); 28787f5c258eSLen Brown has_hwp_pkg = eax & (1 << 11); 2879889facbeSLen Brown has_epb = ecx & (1 << 3); 2880889facbeSLen Brown 2881d8af6f5fSLen Brown if (debug) 28827f5c258eSLen Brown fprintf(stderr, "CPUID(6): %sAPERF, %sDTS, %sPTM, %sHWP, " 28837f5c258eSLen Brown "%sHWPnotify, %sHWPwindow, %sHWPepp, %sHWPpkg, %sEPB\n", 28847f5c258eSLen Brown has_aperf ? "" : "No-", 28857f5c258eSLen Brown do_dts ? "" : "No-", 28867f5c258eSLen Brown do_ptm ? "" : "No-", 28877f5c258eSLen Brown has_hwp ? "" : "No-", 28887f5c258eSLen Brown has_hwp_notify ? "" : "No-", 28897f5c258eSLen Brown has_hwp_activity_window ? "" : "No-", 28907f5c258eSLen Brown has_hwp_epp ? "" : "No-", 28917f5c258eSLen Brown has_hwp_pkg ? "" : "No-", 28927f5c258eSLen Brown has_epb ? "" : "No-"); 2893103a8feaSLen Brown 289469807a63SLen Brown if (debug) 289569807a63SLen Brown decode_misc_enable_msr(); 289669807a63SLen Brown 289761a87ba7SLen Brown if (max_level >= 0x15) { 28988a5bdf41SLen Brown unsigned int eax_crystal; 28998a5bdf41SLen Brown unsigned int ebx_tsc; 29008a5bdf41SLen Brown 29018a5bdf41SLen Brown /* 29028a5bdf41SLen Brown * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz 29038a5bdf41SLen Brown */ 29048a5bdf41SLen Brown eax_crystal = ebx_tsc = crystal_hz = edx = 0; 29058a5bdf41SLen Brown __get_cpuid(0x15, &eax_crystal, &ebx_tsc, &crystal_hz, &edx); 29068a5bdf41SLen Brown 29078a5bdf41SLen Brown if (ebx_tsc != 0) { 29088a5bdf41SLen Brown 29098a5bdf41SLen Brown if (debug && (ebx != 0)) 29108a5bdf41SLen Brown fprintf(stderr, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n", 29118a5bdf41SLen Brown eax_crystal, ebx_tsc, crystal_hz); 29128a5bdf41SLen Brown 29138a5bdf41SLen Brown if (crystal_hz == 0) 29148a5bdf41SLen Brown switch(model) { 29158a5bdf41SLen Brown case 0x4E: /* SKL */ 29168a5bdf41SLen Brown case 0x5E: /* SKL */ 29178a5bdf41SLen Brown crystal_hz = 24000000; /* 24 MHz */ 29188a5bdf41SLen Brown break; 29198a5bdf41SLen Brown default: 29208a5bdf41SLen Brown crystal_hz = 0; 29218a5bdf41SLen Brown } 29228a5bdf41SLen Brown 29238a5bdf41SLen Brown if (crystal_hz) { 29248a5bdf41SLen Brown tsc_hz = (unsigned long long) crystal_hz * ebx_tsc / eax_crystal; 29258a5bdf41SLen Brown if (debug) 29268a5bdf41SLen Brown fprintf(stderr, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n", 29278a5bdf41SLen Brown tsc_hz / 1000000, crystal_hz, ebx_tsc, eax_crystal); 29288a5bdf41SLen Brown } 29298a5bdf41SLen Brown } 29308a5bdf41SLen Brown } 293161a87ba7SLen Brown if (max_level >= 0x16) { 293261a87ba7SLen Brown unsigned int base_mhz, max_mhz, bus_mhz, edx; 293361a87ba7SLen Brown 293461a87ba7SLen Brown /* 293561a87ba7SLen Brown * CPUID 16H Base MHz, Max MHz, Bus MHz 293661a87ba7SLen Brown */ 293761a87ba7SLen Brown base_mhz = max_mhz = bus_mhz = edx = 0; 293861a87ba7SLen Brown 293961a87ba7SLen Brown __get_cpuid(0x16, &base_mhz, &max_mhz, &bus_mhz, &edx); 294061a87ba7SLen Brown if (debug) 294161a87ba7SLen Brown fprintf(stderr, "CPUID(0x16): base_mhz: %d max_mhz: %d bus_mhz: %d\n", 294261a87ba7SLen Brown base_mhz, max_mhz, bus_mhz); 294361a87ba7SLen Brown } 29448a5bdf41SLen Brown 2945b2b34dfeSHubert Chrzaniuk if (has_aperf) 2946b2b34dfeSHubert Chrzaniuk aperf_mperf_multiplier = get_aperf_mperf_multiplier(family, model); 2947b2b34dfeSHubert Chrzaniuk 2948ee7e38e3SLen Brown do_nhm_platform_info = do_nhm_cstates = do_smi = probe_nhm_msrs(family, model); 2949d7899447SLen Brown do_snb_cstates = has_snb_msrs(family, model); 2950ee7e38e3SLen Brown do_pc2 = do_snb_cstates && (pkg_cstate_limit >= PCL__2); 2951ee7e38e3SLen Brown do_pc3 = (pkg_cstate_limit >= PCL__3); 2952ee7e38e3SLen Brown do_pc6 = (pkg_cstate_limit >= PCL__6); 2953ee7e38e3SLen Brown do_pc7 = do_snb_cstates && (pkg_cstate_limit >= PCL__7); 2954d7899447SLen Brown do_c8_c9_c10 = has_hsw_msrs(family, model); 29550b2bb692SLen Brown do_skl_residency = has_skl_msrs(family, model); 2956144b44b1SLen Brown do_slm_cstates = is_slm(family, model); 2957fb5d4327SDasaratharaman Chandramouli do_knl_cstates = is_knl(family, model); 2958103a8feaSLen Brown 2959f0057310SLen Brown if (debug) 2960f0057310SLen Brown decode_misc_pwr_mgmt_msr(); 2961f0057310SLen Brown 2962889facbeSLen Brown rapl_probe(family, model); 29633a9a941dSLen Brown perf_limit_reasons_probe(family, model); 2964889facbeSLen Brown 2965fcd17211SLen Brown if (debug) 2966fcd17211SLen Brown dump_cstate_pstate_config_info(); 2967fcd17211SLen Brown 2968a2b7b749SLen Brown if (has_skl_msrs(family, model)) 2969a2b7b749SLen Brown calculate_tsc_tweak(); 2970a2b7b749SLen Brown 2971889facbeSLen Brown return; 2972103a8feaSLen Brown } 2973103a8feaSLen Brown 2974d8af6f5fSLen Brown void help() 2975103a8feaSLen Brown { 2976d8af6f5fSLen Brown fprintf(stderr, 2977d8af6f5fSLen Brown "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n" 2978d8af6f5fSLen Brown "\n" 2979d8af6f5fSLen Brown "Turbostat forks the specified COMMAND and prints statistics\n" 2980d8af6f5fSLen Brown "when COMMAND completes.\n" 2981d8af6f5fSLen Brown "If no COMMAND is specified, turbostat wakes every 5-seconds\n" 2982d8af6f5fSLen Brown "to print statistics, until interrupted.\n" 2983d8af6f5fSLen Brown "--debug run in \"debug\" mode\n" 2984d8af6f5fSLen Brown "--interval sec Override default 5-second measurement interval\n" 2985d8af6f5fSLen Brown "--help print this help message\n" 2986d8af6f5fSLen Brown "--counter msr print 32-bit counter at address \"msr\"\n" 2987d8af6f5fSLen Brown "--Counter msr print 64-bit Counter at address \"msr\"\n" 2988d8af6f5fSLen Brown "--msr msr print 32-bit value at address \"msr\"\n" 2989d8af6f5fSLen Brown "--MSR msr print 64-bit Value at address \"msr\"\n" 2990d8af6f5fSLen Brown "--version print version information\n" 2991d8af6f5fSLen Brown "\n" 2992d8af6f5fSLen Brown "For more help, run \"man turbostat\"\n"); 2993103a8feaSLen Brown } 2994103a8feaSLen Brown 2995103a8feaSLen Brown 2996103a8feaSLen Brown /* 2997103a8feaSLen Brown * in /dev/cpu/ return success for names that are numbers 2998103a8feaSLen Brown * ie. filter out ".", "..", "microcode". 2999103a8feaSLen Brown */ 3000103a8feaSLen Brown int dir_filter(const struct dirent *dirp) 3001103a8feaSLen Brown { 3002103a8feaSLen Brown if (isdigit(dirp->d_name[0])) 3003103a8feaSLen Brown return 1; 3004103a8feaSLen Brown else 3005103a8feaSLen Brown return 0; 3006103a8feaSLen Brown } 3007103a8feaSLen Brown 3008103a8feaSLen Brown int open_dev_cpu_msr(int dummy1) 3009103a8feaSLen Brown { 3010103a8feaSLen Brown return 0; 3011103a8feaSLen Brown } 3012103a8feaSLen Brown 3013c98d5d94SLen Brown void topology_probe() 3014c98d5d94SLen Brown { 3015c98d5d94SLen Brown int i; 3016c98d5d94SLen Brown int max_core_id = 0; 3017c98d5d94SLen Brown int max_package_id = 0; 3018c98d5d94SLen Brown int max_siblings = 0; 3019c98d5d94SLen Brown struct cpu_topology { 3020c98d5d94SLen Brown int core_id; 3021c98d5d94SLen Brown int physical_package_id; 3022c98d5d94SLen Brown } *cpus; 3023c98d5d94SLen Brown 3024c98d5d94SLen Brown /* Initialize num_cpus, max_cpu_num */ 3025c98d5d94SLen Brown topo.num_cpus = 0; 3026c98d5d94SLen Brown topo.max_cpu_num = 0; 3027c98d5d94SLen Brown for_all_proc_cpus(count_cpus); 3028c98d5d94SLen Brown if (!summary_only && topo.num_cpus > 1) 3029c98d5d94SLen Brown show_cpu = 1; 3030c98d5d94SLen Brown 3031d8af6f5fSLen Brown if (debug > 1) 3032c98d5d94SLen Brown fprintf(stderr, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num); 3033c98d5d94SLen Brown 3034c98d5d94SLen Brown cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology)); 3035b2c95d90SJosh Triplett if (cpus == NULL) 3036b2c95d90SJosh Triplett err(1, "calloc cpus"); 3037c98d5d94SLen Brown 3038c98d5d94SLen Brown /* 3039c98d5d94SLen Brown * Allocate and initialize cpu_present_set 3040c98d5d94SLen Brown */ 3041c98d5d94SLen Brown cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1)); 3042b2c95d90SJosh Triplett if (cpu_present_set == NULL) 3043b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 3044c98d5d94SLen Brown cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 3045c98d5d94SLen Brown CPU_ZERO_S(cpu_present_setsize, cpu_present_set); 3046c98d5d94SLen Brown for_all_proc_cpus(mark_cpu_present); 3047c98d5d94SLen Brown 3048c98d5d94SLen Brown /* 3049c98d5d94SLen Brown * Allocate and initialize cpu_affinity_set 3050c98d5d94SLen Brown */ 3051c98d5d94SLen Brown cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1)); 3052b2c95d90SJosh Triplett if (cpu_affinity_set == NULL) 3053b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 3054c98d5d94SLen Brown cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 3055c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 3056c98d5d94SLen Brown 3057c98d5d94SLen Brown 3058c98d5d94SLen Brown /* 3059c98d5d94SLen Brown * For online cpus 3060c98d5d94SLen Brown * find max_core_id, max_package_id 3061c98d5d94SLen Brown */ 3062c98d5d94SLen Brown for (i = 0; i <= topo.max_cpu_num; ++i) { 3063c98d5d94SLen Brown int siblings; 3064c98d5d94SLen Brown 3065c98d5d94SLen Brown if (cpu_is_not_present(i)) { 3066d8af6f5fSLen Brown if (debug > 1) 3067c98d5d94SLen Brown fprintf(stderr, "cpu%d NOT PRESENT\n", i); 3068c98d5d94SLen Brown continue; 3069c98d5d94SLen Brown } 3070c98d5d94SLen Brown cpus[i].core_id = get_core_id(i); 3071c98d5d94SLen Brown if (cpus[i].core_id > max_core_id) 3072c98d5d94SLen Brown max_core_id = cpus[i].core_id; 3073c98d5d94SLen Brown 3074c98d5d94SLen Brown cpus[i].physical_package_id = get_physical_package_id(i); 3075c98d5d94SLen Brown if (cpus[i].physical_package_id > max_package_id) 3076c98d5d94SLen Brown max_package_id = cpus[i].physical_package_id; 3077c98d5d94SLen Brown 3078c98d5d94SLen Brown siblings = get_num_ht_siblings(i); 3079c98d5d94SLen Brown if (siblings > max_siblings) 3080c98d5d94SLen Brown max_siblings = siblings; 3081d8af6f5fSLen Brown if (debug > 1) 3082c98d5d94SLen Brown fprintf(stderr, "cpu %d pkg %d core %d\n", 3083c98d5d94SLen Brown i, cpus[i].physical_package_id, cpus[i].core_id); 3084c98d5d94SLen Brown } 3085c98d5d94SLen Brown topo.num_cores_per_pkg = max_core_id + 1; 3086d8af6f5fSLen Brown if (debug > 1) 3087c98d5d94SLen Brown fprintf(stderr, "max_core_id %d, sizing for %d cores per package\n", 3088c98d5d94SLen Brown max_core_id, topo.num_cores_per_pkg); 30891cc21f7bSLen Brown if (debug && !summary_only && topo.num_cores_per_pkg > 1) 3090c98d5d94SLen Brown show_core = 1; 3091c98d5d94SLen Brown 3092c98d5d94SLen Brown topo.num_packages = max_package_id + 1; 3093d8af6f5fSLen Brown if (debug > 1) 3094c98d5d94SLen Brown fprintf(stderr, "max_package_id %d, sizing for %d packages\n", 3095c98d5d94SLen Brown max_package_id, topo.num_packages); 30961cc21f7bSLen Brown if (debug && !summary_only && topo.num_packages > 1) 3097c98d5d94SLen Brown show_pkg = 1; 3098c98d5d94SLen Brown 3099c98d5d94SLen Brown topo.num_threads_per_core = max_siblings; 3100d8af6f5fSLen Brown if (debug > 1) 3101c98d5d94SLen Brown fprintf(stderr, "max_siblings %d\n", max_siblings); 3102c98d5d94SLen Brown 3103c98d5d94SLen Brown free(cpus); 3104c98d5d94SLen Brown } 3105c98d5d94SLen Brown 3106c98d5d94SLen Brown void 3107c98d5d94SLen Brown allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p) 3108c98d5d94SLen Brown { 3109c98d5d94SLen Brown int i; 3110c98d5d94SLen Brown 3111c98d5d94SLen Brown *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg * 3112c98d5d94SLen Brown topo.num_packages, sizeof(struct thread_data)); 3113c98d5d94SLen Brown if (*t == NULL) 3114c98d5d94SLen Brown goto error; 3115c98d5d94SLen Brown 3116c98d5d94SLen Brown for (i = 0; i < topo.num_threads_per_core * 3117c98d5d94SLen Brown topo.num_cores_per_pkg * topo.num_packages; i++) 3118c98d5d94SLen Brown (*t)[i].cpu_id = -1; 3119c98d5d94SLen Brown 3120c98d5d94SLen Brown *c = calloc(topo.num_cores_per_pkg * topo.num_packages, 3121c98d5d94SLen Brown sizeof(struct core_data)); 3122c98d5d94SLen Brown if (*c == NULL) 3123c98d5d94SLen Brown goto error; 3124c98d5d94SLen Brown 3125c98d5d94SLen Brown for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++) 3126c98d5d94SLen Brown (*c)[i].core_id = -1; 3127c98d5d94SLen Brown 3128c98d5d94SLen Brown *p = calloc(topo.num_packages, sizeof(struct pkg_data)); 3129c98d5d94SLen Brown if (*p == NULL) 3130c98d5d94SLen Brown goto error; 3131c98d5d94SLen Brown 3132c98d5d94SLen Brown for (i = 0; i < topo.num_packages; i++) 3133c98d5d94SLen Brown (*p)[i].package_id = i; 3134c98d5d94SLen Brown 3135c98d5d94SLen Brown return; 3136c98d5d94SLen Brown error: 3137b2c95d90SJosh Triplett err(1, "calloc counters"); 3138c98d5d94SLen Brown } 3139c98d5d94SLen Brown /* 3140c98d5d94SLen Brown * init_counter() 3141c98d5d94SLen Brown * 3142c98d5d94SLen Brown * set cpu_id, core_num, pkg_num 3143c98d5d94SLen Brown * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE 3144c98d5d94SLen Brown * 3145c98d5d94SLen Brown * increment topo.num_cores when 1st core in pkg seen 3146c98d5d94SLen Brown */ 3147c98d5d94SLen Brown void init_counter(struct thread_data *thread_base, struct core_data *core_base, 3148c98d5d94SLen Brown struct pkg_data *pkg_base, int thread_num, int core_num, 3149c98d5d94SLen Brown int pkg_num, int cpu_id) 3150c98d5d94SLen Brown { 3151c98d5d94SLen Brown struct thread_data *t; 3152c98d5d94SLen Brown struct core_data *c; 3153c98d5d94SLen Brown struct pkg_data *p; 3154c98d5d94SLen Brown 3155c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_num, core_num, pkg_num); 3156c98d5d94SLen Brown c = GET_CORE(core_base, core_num, pkg_num); 3157c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_num); 3158c98d5d94SLen Brown 3159c98d5d94SLen Brown t->cpu_id = cpu_id; 3160c98d5d94SLen Brown if (thread_num == 0) { 3161c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_THREAD_IN_CORE; 3162c98d5d94SLen Brown if (cpu_is_first_core_in_package(cpu_id)) 3163c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE; 3164c98d5d94SLen Brown } 3165c98d5d94SLen Brown 3166c98d5d94SLen Brown c->core_id = core_num; 3167c98d5d94SLen Brown p->package_id = pkg_num; 3168c98d5d94SLen Brown } 3169c98d5d94SLen Brown 3170c98d5d94SLen Brown 3171c98d5d94SLen Brown int initialize_counters(int cpu_id) 3172c98d5d94SLen Brown { 3173c98d5d94SLen Brown int my_thread_id, my_core_id, my_package_id; 3174c98d5d94SLen Brown 3175c98d5d94SLen Brown my_package_id = get_physical_package_id(cpu_id); 3176c98d5d94SLen Brown my_core_id = get_core_id(cpu_id); 3177e275b388SDasaratharaman Chandramouli my_thread_id = get_cpu_position_in_core(cpu_id); 3178e275b388SDasaratharaman Chandramouli if (!my_thread_id) 3179c98d5d94SLen Brown topo.num_cores++; 3180c98d5d94SLen Brown 3181c98d5d94SLen Brown init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3182c98d5d94SLen Brown init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3183c98d5d94SLen Brown return 0; 3184c98d5d94SLen Brown } 3185c98d5d94SLen Brown 3186c98d5d94SLen Brown void allocate_output_buffer() 3187c98d5d94SLen Brown { 31883b4d5c7fSAndy Shevchenko output_buffer = calloc(1, (1 + topo.num_cpus) * 1024); 3189c98d5d94SLen Brown outp = output_buffer; 3190b2c95d90SJosh Triplett if (outp == NULL) 3191b2c95d90SJosh Triplett err(-1, "calloc output buffer"); 3192c98d5d94SLen Brown } 3193c98d5d94SLen Brown 3194c98d5d94SLen Brown void setup_all_buffers(void) 3195c98d5d94SLen Brown { 3196c98d5d94SLen Brown topology_probe(); 3197c98d5d94SLen Brown allocate_counters(&thread_even, &core_even, &package_even); 3198c98d5d94SLen Brown allocate_counters(&thread_odd, &core_odd, &package_odd); 3199c98d5d94SLen Brown allocate_output_buffer(); 3200c98d5d94SLen Brown for_all_proc_cpus(initialize_counters); 3201c98d5d94SLen Brown } 32023b4d5c7fSAndy Shevchenko 32037ce7d5deSPrarit Bhargava void set_base_cpu(void) 32047ce7d5deSPrarit Bhargava { 32057ce7d5deSPrarit Bhargava base_cpu = sched_getcpu(); 32067ce7d5deSPrarit Bhargava if (base_cpu < 0) 32077ce7d5deSPrarit Bhargava err(-ENODEV, "No valid cpus found"); 32087ce7d5deSPrarit Bhargava 32097ce7d5deSPrarit Bhargava if (debug > 1) 32107ce7d5deSPrarit Bhargava fprintf(stderr, "base_cpu = %d\n", base_cpu); 32117ce7d5deSPrarit Bhargava } 32127ce7d5deSPrarit Bhargava 3213103a8feaSLen Brown void turbostat_init() 3214103a8feaSLen Brown { 32157ce7d5deSPrarit Bhargava setup_all_buffers(); 32167ce7d5deSPrarit Bhargava set_base_cpu(); 3217103a8feaSLen Brown check_dev_msr(); 321898481e79SLen Brown check_permissions(); 3219fcd17211SLen Brown process_cpuid(); 3220103a8feaSLen Brown 3221103a8feaSLen Brown 3222d8af6f5fSLen Brown if (debug) 32237f5c258eSLen Brown for_all_cpus(print_hwp, ODD_COUNTERS); 32247f5c258eSLen Brown 32257f5c258eSLen Brown if (debug) 3226889facbeSLen Brown for_all_cpus(print_epb, ODD_COUNTERS); 3227889facbeSLen Brown 3228d8af6f5fSLen Brown if (debug) 32293a9a941dSLen Brown for_all_cpus(print_perf_limit, ODD_COUNTERS); 32303a9a941dSLen Brown 3231d8af6f5fSLen Brown if (debug) 3232889facbeSLen Brown for_all_cpus(print_rapl, ODD_COUNTERS); 3233889facbeSLen Brown 3234889facbeSLen Brown for_all_cpus(set_temperature_target, ODD_COUNTERS); 3235889facbeSLen Brown 3236d8af6f5fSLen Brown if (debug) 3237889facbeSLen Brown for_all_cpus(print_thermal, ODD_COUNTERS); 3238103a8feaSLen Brown } 3239103a8feaSLen Brown 3240103a8feaSLen Brown int fork_it(char **argv) 3241103a8feaSLen Brown { 3242103a8feaSLen Brown pid_t child_pid; 3243d91bb17cSLen Brown int status; 3244d15cf7c1SLen Brown 3245d91bb17cSLen Brown status = for_all_cpus(get_counters, EVEN_COUNTERS); 3246d91bb17cSLen Brown if (status) 3247d91bb17cSLen Brown exit(status); 3248d15cf7c1SLen Brown /* clear affinity side-effect of get_counters() */ 3249d15cf7c1SLen Brown sched_setaffinity(0, cpu_present_setsize, cpu_present_set); 3250103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 3251103a8feaSLen Brown 3252103a8feaSLen Brown child_pid = fork(); 3253103a8feaSLen Brown if (!child_pid) { 3254103a8feaSLen Brown /* child */ 3255103a8feaSLen Brown execvp(argv[0], argv); 3256103a8feaSLen Brown } else { 3257103a8feaSLen Brown 3258103a8feaSLen Brown /* parent */ 3259b2c95d90SJosh Triplett if (child_pid == -1) 3260b2c95d90SJosh Triplett err(1, "fork"); 3261103a8feaSLen Brown 3262103a8feaSLen Brown signal(SIGINT, SIG_IGN); 3263103a8feaSLen Brown signal(SIGQUIT, SIG_IGN); 3264b2c95d90SJosh Triplett if (waitpid(child_pid, &status, 0) == -1) 3265b2c95d90SJosh Triplett err(status, "waitpid"); 3266103a8feaSLen Brown } 3267c98d5d94SLen Brown /* 3268c98d5d94SLen Brown * n.b. fork_it() does not check for errors from for_all_cpus() 3269c98d5d94SLen Brown * because re-starting is problematic when forking 3270c98d5d94SLen Brown */ 3271c98d5d94SLen Brown for_all_cpus(get_counters, ODD_COUNTERS); 3272103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 3273103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 3274c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 3275c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 3276c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 3277c98d5d94SLen Brown flush_stderr(); 3278103a8feaSLen Brown 32796eab04a8SJustin P. Mattock fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); 3280103a8feaSLen Brown 3281d91bb17cSLen Brown return status; 3282103a8feaSLen Brown } 3283103a8feaSLen Brown 32843b4d5c7fSAndy Shevchenko int get_and_dump_counters(void) 32853b4d5c7fSAndy Shevchenko { 32863b4d5c7fSAndy Shevchenko int status; 32873b4d5c7fSAndy Shevchenko 32883b4d5c7fSAndy Shevchenko status = for_all_cpus(get_counters, ODD_COUNTERS); 32893b4d5c7fSAndy Shevchenko if (status) 32903b4d5c7fSAndy Shevchenko return status; 32913b4d5c7fSAndy Shevchenko 32923b4d5c7fSAndy Shevchenko status = for_all_cpus(dump_counters, ODD_COUNTERS); 32933b4d5c7fSAndy Shevchenko if (status) 32943b4d5c7fSAndy Shevchenko return status; 32953b4d5c7fSAndy Shevchenko 32963b4d5c7fSAndy Shevchenko flush_stdout(); 32973b4d5c7fSAndy Shevchenko 32983b4d5c7fSAndy Shevchenko return status; 32993b4d5c7fSAndy Shevchenko } 33003b4d5c7fSAndy Shevchenko 3301d8af6f5fSLen Brown void print_version() { 33027f5c258eSLen Brown fprintf(stderr, "turbostat version 4.10 10 Dec, 2015" 3303d8af6f5fSLen Brown " - Len Brown <lenb@kernel.org>\n"); 3304d8af6f5fSLen Brown } 3305d8af6f5fSLen Brown 3306103a8feaSLen Brown void cmdline(int argc, char **argv) 3307103a8feaSLen Brown { 3308103a8feaSLen Brown int opt; 3309d8af6f5fSLen Brown int option_index = 0; 3310d8af6f5fSLen Brown static struct option long_options[] = { 3311d8af6f5fSLen Brown {"Counter", required_argument, 0, 'C'}, 3312d8af6f5fSLen Brown {"counter", required_argument, 0, 'c'}, 3313d8af6f5fSLen Brown {"Dump", no_argument, 0, 'D'}, 3314d8af6f5fSLen Brown {"debug", no_argument, 0, 'd'}, 3315d8af6f5fSLen Brown {"interval", required_argument, 0, 'i'}, 3316d8af6f5fSLen Brown {"help", no_argument, 0, 'h'}, 3317d8af6f5fSLen Brown {"Joules", no_argument, 0, 'J'}, 3318d8af6f5fSLen Brown {"MSR", required_argument, 0, 'M'}, 3319d8af6f5fSLen Brown {"msr", required_argument, 0, 'm'}, 3320d8af6f5fSLen Brown {"Package", no_argument, 0, 'p'}, 3321d8af6f5fSLen Brown {"processor", no_argument, 0, 'p'}, 3322d8af6f5fSLen Brown {"Summary", no_argument, 0, 'S'}, 3323d8af6f5fSLen Brown {"TCC", required_argument, 0, 'T'}, 3324d8af6f5fSLen Brown {"version", no_argument, 0, 'v' }, 3325d8af6f5fSLen Brown {0, 0, 0, 0 } 3326d8af6f5fSLen Brown }; 3327103a8feaSLen Brown 3328103a8feaSLen Brown progname = argv[0]; 3329103a8feaSLen Brown 3330a01e72fbSLen Brown while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:JM:m:PpST:v", 3331d8af6f5fSLen Brown long_options, &option_index)) != -1) { 3332103a8feaSLen Brown switch (opt) { 3333d8af6f5fSLen Brown case 'C': 3334d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_delta_offset64); 3335103a8feaSLen Brown break; 3336f9240813SLen Brown case 'c': 33378e180f3cSLen Brown sscanf(optarg, "%x", &extra_delta_offset32); 33388e180f3cSLen Brown break; 3339d8af6f5fSLen Brown case 'D': 3340d8af6f5fSLen Brown dump_only++; 33418e180f3cSLen Brown break; 3342d8af6f5fSLen Brown case 'd': 3343d8af6f5fSLen Brown debug++; 33442f32edf1SLen Brown break; 3345d8af6f5fSLen Brown case 'h': 3346d8af6f5fSLen Brown default: 3347d8af6f5fSLen Brown help(); 3348d8af6f5fSLen Brown exit(1); 3349d8af6f5fSLen Brown case 'i': 33502a0609c0SLen Brown { 33512a0609c0SLen Brown double interval = strtod(optarg, NULL); 33522a0609c0SLen Brown 33532a0609c0SLen Brown if (interval < 0.001) { 33542a0609c0SLen Brown fprintf(stderr, "interval %f seconds is too small\n", 33552a0609c0SLen Brown interval); 33562a0609c0SLen Brown exit(2); 33572a0609c0SLen Brown } 33582a0609c0SLen Brown 33592a0609c0SLen Brown interval_ts.tv_sec = interval; 33602a0609c0SLen Brown interval_ts.tv_nsec = (interval - interval_ts.tv_sec) * 1000000000; 33612a0609c0SLen Brown } 3362889facbeSLen Brown break; 33635c56be9aSDirk Brandewie case 'J': 33645c56be9aSDirk Brandewie rapl_joules++; 33655c56be9aSDirk Brandewie break; 3366d8af6f5fSLen Brown case 'M': 3367d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset64); 3368d8af6f5fSLen Brown break; 3369d8af6f5fSLen Brown case 'm': 3370d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset32); 3371d8af6f5fSLen Brown break; 3372d8af6f5fSLen Brown case 'P': 3373d8af6f5fSLen Brown show_pkg_only++; 3374d8af6f5fSLen Brown break; 3375d8af6f5fSLen Brown case 'p': 3376d8af6f5fSLen Brown show_core_only++; 3377d8af6f5fSLen Brown break; 3378d8af6f5fSLen Brown case 'S': 3379d8af6f5fSLen Brown summary_only++; 3380d8af6f5fSLen Brown break; 3381d8af6f5fSLen Brown case 'T': 3382d8af6f5fSLen Brown tcc_activation_temp_override = atoi(optarg); 3383d8af6f5fSLen Brown break; 3384d8af6f5fSLen Brown case 'v': 3385d8af6f5fSLen Brown print_version(); 3386d8af6f5fSLen Brown exit(0); 3387d8af6f5fSLen Brown break; 3388103a8feaSLen Brown } 3389103a8feaSLen Brown } 3390103a8feaSLen Brown } 3391103a8feaSLen Brown 3392103a8feaSLen Brown int main(int argc, char **argv) 3393103a8feaSLen Brown { 3394103a8feaSLen Brown cmdline(argc, argv); 3395103a8feaSLen Brown 3396d8af6f5fSLen Brown if (debug) 3397d8af6f5fSLen Brown print_version(); 3398103a8feaSLen Brown 3399103a8feaSLen Brown turbostat_init(); 3400103a8feaSLen Brown 34013b4d5c7fSAndy Shevchenko /* dump counters and exit */ 34023b4d5c7fSAndy Shevchenko if (dump_only) 34033b4d5c7fSAndy Shevchenko return get_and_dump_counters(); 34043b4d5c7fSAndy Shevchenko 3405103a8feaSLen Brown /* 3406103a8feaSLen Brown * if any params left, it must be a command to fork 3407103a8feaSLen Brown */ 3408103a8feaSLen Brown if (argc - optind) 3409103a8feaSLen Brown return fork_it(argv + optind); 3410103a8feaSLen Brown else 3411103a8feaSLen Brown turbostat_loop(); 3412103a8feaSLen Brown 3413103a8feaSLen Brown return 0; 3414103a8feaSLen Brown } 3415