1103a8feaSLen Brown /* 2103a8feaSLen Brown * turbostat -- show CPU frequency and C-state residency 3103a8feaSLen Brown * on modern Intel turbo-capable processors. 4103a8feaSLen Brown * 5144b44b1SLen Brown * Copyright (c) 2013 Intel Corporation. 6103a8feaSLen Brown * Len Brown <len.brown@intel.com> 7103a8feaSLen Brown * 8103a8feaSLen Brown * This program is free software; you can redistribute it and/or modify it 9103a8feaSLen Brown * under the terms and conditions of the GNU General Public License, 10103a8feaSLen Brown * version 2, as published by the Free Software Foundation. 11103a8feaSLen Brown * 12103a8feaSLen Brown * This program is distributed in the hope it will be useful, but WITHOUT 13103a8feaSLen Brown * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14103a8feaSLen Brown * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15103a8feaSLen Brown * more details. 16103a8feaSLen Brown * 17103a8feaSLen Brown * You should have received a copy of the GNU General Public License along with 18103a8feaSLen Brown * this program; if not, write to the Free Software Foundation, Inc., 19103a8feaSLen Brown * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 20103a8feaSLen Brown */ 21103a8feaSLen Brown 2288c3281fSLen Brown #define _GNU_SOURCE 23b731f311SJosh Triplett #include MSRHEADER 2495aebc44SJosh Triplett #include <stdarg.h> 25103a8feaSLen Brown #include <stdio.h> 26b2c95d90SJosh Triplett #include <err.h> 27103a8feaSLen Brown #include <unistd.h> 28103a8feaSLen Brown #include <sys/types.h> 29103a8feaSLen Brown #include <sys/wait.h> 30103a8feaSLen Brown #include <sys/stat.h> 31103a8feaSLen Brown #include <sys/resource.h> 32103a8feaSLen Brown #include <fcntl.h> 33103a8feaSLen Brown #include <signal.h> 34103a8feaSLen Brown #include <sys/time.h> 35103a8feaSLen Brown #include <stdlib.h> 36d8af6f5fSLen Brown #include <getopt.h> 37103a8feaSLen Brown #include <dirent.h> 38103a8feaSLen Brown #include <string.h> 39103a8feaSLen Brown #include <ctype.h> 4088c3281fSLen Brown #include <sched.h> 412b92865eSJosh Triplett #include <cpuid.h> 4298481e79SLen Brown #include <linux/capability.h> 4398481e79SLen Brown #include <errno.h> 44103a8feaSLen Brown 45103a8feaSLen Brown char *proc_stat = "/proc/stat"; 46d8af6f5fSLen Brown unsigned int interval_sec = 5; 47d8af6f5fSLen Brown unsigned int debug; 48d8af6f5fSLen Brown unsigned int rapl_joules; 49d8af6f5fSLen Brown unsigned int summary_only; 50d8af6f5fSLen Brown unsigned int dump_only; 51103a8feaSLen Brown unsigned int skip_c0; 52103a8feaSLen Brown unsigned int skip_c1; 53103a8feaSLen Brown unsigned int do_nhm_cstates; 54103a8feaSLen Brown unsigned int do_snb_cstates; 55ee7e38e3SLen Brown unsigned int do_pc2; 56ee7e38e3SLen Brown unsigned int do_pc3; 57ee7e38e3SLen Brown unsigned int do_pc6; 58ee7e38e3SLen Brown unsigned int do_pc7; 59ca58710fSKristen Carlson Accardi unsigned int do_c8_c9_c10; 60144b44b1SLen Brown unsigned int do_slm_cstates; 61144b44b1SLen Brown unsigned int use_c1_residency_msr; 62103a8feaSLen Brown unsigned int has_aperf; 63889facbeSLen Brown unsigned int has_epb; 64fc04cc67SLen Brown unsigned int units = 1000000; /* MHz etc */ 65103a8feaSLen Brown unsigned int genuine_intel; 66103a8feaSLen Brown unsigned int has_invariant_tsc; 67d7899447SLen Brown unsigned int do_nhm_platform_info; 682f32edf1SLen Brown unsigned int extra_msr_offset32; 692f32edf1SLen Brown unsigned int extra_msr_offset64; 708e180f3cSLen Brown unsigned int extra_delta_offset32; 718e180f3cSLen Brown unsigned int extra_delta_offset64; 721ed51011SLen Brown int do_smi; 73103a8feaSLen Brown double bclk; 74103a8feaSLen Brown unsigned int show_pkg; 75103a8feaSLen Brown unsigned int show_core; 76103a8feaSLen Brown unsigned int show_cpu; 77c98d5d94SLen Brown unsigned int show_pkg_only; 78c98d5d94SLen Brown unsigned int show_core_only; 79c98d5d94SLen Brown char *output_buffer, *outp; 80889facbeSLen Brown unsigned int do_rapl; 81889facbeSLen Brown unsigned int do_dts; 82889facbeSLen Brown unsigned int do_ptm; 83889facbeSLen Brown unsigned int tcc_activation_temp; 84889facbeSLen Brown unsigned int tcc_activation_temp_override; 85889facbeSLen Brown double rapl_power_units, rapl_energy_units, rapl_time_units; 86889facbeSLen Brown double rapl_joule_counter_range; 873a9a941dSLen Brown unsigned int do_core_perf_limit_reasons; 883a9a941dSLen Brown unsigned int do_gfx_perf_limit_reasons; 893a9a941dSLen Brown unsigned int do_ring_perf_limit_reasons; 90889facbeSLen Brown 91889facbeSLen Brown #define RAPL_PKG (1 << 0) 92e6f9bb3cSLen Brown /* 0x610 MSR_PKG_POWER_LIMIT */ 93e6f9bb3cSLen Brown /* 0x611 MSR_PKG_ENERGY_STATUS */ 94e6f9bb3cSLen Brown #define RAPL_PKG_PERF_STATUS (1 << 1) 95e6f9bb3cSLen Brown /* 0x613 MSR_PKG_PERF_STATUS */ 96e6f9bb3cSLen Brown #define RAPL_PKG_POWER_INFO (1 << 2) 97e6f9bb3cSLen Brown /* 0x614 MSR_PKG_POWER_INFO */ 98e6f9bb3cSLen Brown 99889facbeSLen Brown #define RAPL_DRAM (1 << 3) 100e6f9bb3cSLen Brown /* 0x618 MSR_DRAM_POWER_LIMIT */ 101e6f9bb3cSLen Brown /* 0x619 MSR_DRAM_ENERGY_STATUS */ 102e6f9bb3cSLen Brown /* 0x61c MSR_DRAM_POWER_INFO */ 103e6f9bb3cSLen Brown #define RAPL_DRAM_PERF_STATUS (1 << 4) 104e6f9bb3cSLen Brown /* 0x61b MSR_DRAM_PERF_STATUS */ 105e6f9bb3cSLen Brown 106e6f9bb3cSLen Brown #define RAPL_CORES (1 << 5) 107e6f9bb3cSLen Brown /* 0x638 MSR_PP0_POWER_LIMIT */ 108e6f9bb3cSLen Brown /* 0x639 MSR_PP0_ENERGY_STATUS */ 109e6f9bb3cSLen Brown #define RAPL_CORE_POLICY (1 << 6) 110e6f9bb3cSLen Brown /* 0x63a MSR_PP0_POLICY */ 111e6f9bb3cSLen Brown 112e6f9bb3cSLen Brown 113e6f9bb3cSLen Brown #define RAPL_GFX (1 << 7) 114e6f9bb3cSLen Brown /* 0x640 MSR_PP1_POWER_LIMIT */ 115e6f9bb3cSLen Brown /* 0x641 MSR_PP1_ENERGY_STATUS */ 116e6f9bb3cSLen Brown /* 0x642 MSR_PP1_POLICY */ 117889facbeSLen Brown #define TJMAX_DEFAULT 100 118889facbeSLen Brown 119889facbeSLen Brown #define MAX(a, b) ((a) > (b) ? (a) : (b)) 120103a8feaSLen Brown 121103a8feaSLen Brown int aperf_mperf_unstable; 122103a8feaSLen Brown int backwards_count; 123103a8feaSLen Brown char *progname; 124103a8feaSLen Brown 125c98d5d94SLen Brown cpu_set_t *cpu_present_set, *cpu_affinity_set; 126c98d5d94SLen Brown size_t cpu_present_setsize, cpu_affinity_setsize; 127c98d5d94SLen Brown 128c98d5d94SLen Brown struct thread_data { 129c98d5d94SLen Brown unsigned long long tsc; 130c98d5d94SLen Brown unsigned long long aperf; 131c98d5d94SLen Brown unsigned long long mperf; 132144b44b1SLen Brown unsigned long long c1; 1332f32edf1SLen Brown unsigned long long extra_msr64; 1348e180f3cSLen Brown unsigned long long extra_delta64; 1358e180f3cSLen Brown unsigned long long extra_msr32; 1368e180f3cSLen Brown unsigned long long extra_delta32; 1371ed51011SLen Brown unsigned int smi_count; 138c98d5d94SLen Brown unsigned int cpu_id; 139c98d5d94SLen Brown unsigned int flags; 140c98d5d94SLen Brown #define CPU_IS_FIRST_THREAD_IN_CORE 0x2 141c98d5d94SLen Brown #define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4 142c98d5d94SLen Brown } *thread_even, *thread_odd; 143c98d5d94SLen Brown 144c98d5d94SLen Brown struct core_data { 145c98d5d94SLen Brown unsigned long long c3; 146c98d5d94SLen Brown unsigned long long c6; 147c98d5d94SLen Brown unsigned long long c7; 148889facbeSLen Brown unsigned int core_temp_c; 149c98d5d94SLen Brown unsigned int core_id; 150c98d5d94SLen Brown } *core_even, *core_odd; 151c98d5d94SLen Brown 152c98d5d94SLen Brown struct pkg_data { 153c98d5d94SLen Brown unsigned long long pc2; 154c98d5d94SLen Brown unsigned long long pc3; 155c98d5d94SLen Brown unsigned long long pc6; 156c98d5d94SLen Brown unsigned long long pc7; 157ca58710fSKristen Carlson Accardi unsigned long long pc8; 158ca58710fSKristen Carlson Accardi unsigned long long pc9; 159ca58710fSKristen Carlson Accardi unsigned long long pc10; 160c98d5d94SLen Brown unsigned int package_id; 161889facbeSLen Brown unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */ 162889facbeSLen Brown unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */ 163889facbeSLen Brown unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */ 164889facbeSLen Brown unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */ 165889facbeSLen Brown unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */ 166889facbeSLen Brown unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */ 167889facbeSLen Brown unsigned int pkg_temp_c; 168889facbeSLen Brown 169c98d5d94SLen Brown } *package_even, *package_odd; 170c98d5d94SLen Brown 171c98d5d94SLen Brown #define ODD_COUNTERS thread_odd, core_odd, package_odd 172c98d5d94SLen Brown #define EVEN_COUNTERS thread_even, core_even, package_even 173c98d5d94SLen Brown 174c98d5d94SLen Brown #define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \ 175c98d5d94SLen Brown (thread_base + (pkg_no) * topo.num_cores_per_pkg * \ 176c98d5d94SLen Brown topo.num_threads_per_core + \ 177c98d5d94SLen Brown (core_no) * topo.num_threads_per_core + (thread_no)) 178c98d5d94SLen Brown #define GET_CORE(core_base, core_no, pkg_no) \ 179c98d5d94SLen Brown (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no)) 180c98d5d94SLen Brown #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no) 181c98d5d94SLen Brown 182c98d5d94SLen Brown struct system_summary { 183c98d5d94SLen Brown struct thread_data threads; 184c98d5d94SLen Brown struct core_data cores; 185c98d5d94SLen Brown struct pkg_data packages; 186c98d5d94SLen Brown } sum, average; 187c98d5d94SLen Brown 188c98d5d94SLen Brown 189c98d5d94SLen Brown struct topo_params { 190c98d5d94SLen Brown int num_packages; 191103a8feaSLen Brown int num_cpus; 192c98d5d94SLen Brown int num_cores; 193c98d5d94SLen Brown int max_cpu_num; 194c98d5d94SLen Brown int num_cores_per_pkg; 195c98d5d94SLen Brown int num_threads_per_core; 196c98d5d94SLen Brown } topo; 197103a8feaSLen Brown 198c98d5d94SLen Brown struct timeval tv_even, tv_odd, tv_delta; 199103a8feaSLen Brown 200c98d5d94SLen Brown void setup_all_buffers(void); 201103a8feaSLen Brown 202c98d5d94SLen Brown int cpu_is_not_present(int cpu) 203d15cf7c1SLen Brown { 204c98d5d94SLen Brown return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set); 205c98d5d94SLen Brown } 206c98d5d94SLen Brown /* 207c98d5d94SLen Brown * run func(thread, core, package) in topology order 208c98d5d94SLen Brown * skip non-present cpus 209c98d5d94SLen Brown */ 210c98d5d94SLen Brown 211c98d5d94SLen Brown int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *), 212c98d5d94SLen Brown struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base) 213c98d5d94SLen Brown { 214c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 215c98d5d94SLen Brown 216c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 217c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 218c98d5d94SLen Brown for (thread_no = 0; thread_no < 219c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 220c98d5d94SLen Brown struct thread_data *t; 221c98d5d94SLen Brown struct core_data *c; 222c98d5d94SLen Brown struct pkg_data *p; 223c98d5d94SLen Brown 224c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 225c98d5d94SLen Brown 226c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 227c98d5d94SLen Brown continue; 228c98d5d94SLen Brown 229c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 230c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 231c98d5d94SLen Brown 232c98d5d94SLen Brown retval = func(t, c, p); 233c98d5d94SLen Brown if (retval) 234c98d5d94SLen Brown return retval; 235c98d5d94SLen Brown } 236c98d5d94SLen Brown } 237c98d5d94SLen Brown } 238d15cf7c1SLen Brown return 0; 239d15cf7c1SLen Brown } 240d15cf7c1SLen Brown 24188c3281fSLen Brown int cpu_migrate(int cpu) 24288c3281fSLen Brown { 243c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 244c98d5d94SLen Brown CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set); 245c98d5d94SLen Brown if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1) 24688c3281fSLen Brown return -1; 24788c3281fSLen Brown else 24888c3281fSLen Brown return 0; 24988c3281fSLen Brown } 25088c3281fSLen Brown 25115aaa346SLen Brown int get_msr(int cpu, off_t offset, unsigned long long *msr) 252103a8feaSLen Brown { 253103a8feaSLen Brown ssize_t retval; 254103a8feaSLen Brown char pathname[32]; 255103a8feaSLen Brown int fd; 256103a8feaSLen Brown 257103a8feaSLen Brown sprintf(pathname, "/dev/cpu/%d/msr", cpu); 258103a8feaSLen Brown fd = open(pathname, O_RDONLY); 25915aaa346SLen Brown if (fd < 0) 26098481e79SLen Brown err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname); 261103a8feaSLen Brown 26215aaa346SLen Brown retval = pread(fd, msr, sizeof *msr, offset); 263103a8feaSLen Brown close(fd); 26415aaa346SLen Brown 26598481e79SLen Brown if (retval != sizeof *msr) 26698481e79SLen Brown err(-1, "%s offset 0x%llx read failed", pathname, (unsigned long long)offset); 26715aaa346SLen Brown 26815aaa346SLen Brown return 0; 269103a8feaSLen Brown } 270103a8feaSLen Brown 271fc04cc67SLen Brown /* 272fc04cc67SLen Brown * Example Format w/ field column widths: 273fc04cc67SLen Brown * 274fc04cc67SLen 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 275e7c95ff3SLen Brown * 123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678 276fc04cc67SLen Brown */ 277fc04cc67SLen Brown 278a829eb4dSLen Brown void print_header(void) 279103a8feaSLen Brown { 280103a8feaSLen Brown if (show_pkg) 281fc04cc67SLen Brown outp += sprintf(outp, " Package"); 282103a8feaSLen Brown if (show_core) 283fc04cc67SLen Brown outp += sprintf(outp, " Core"); 284103a8feaSLen Brown if (show_cpu) 285c98d5d94SLen Brown outp += sprintf(outp, " CPU"); 286103a8feaSLen Brown if (has_aperf) 287fc04cc67SLen Brown outp += sprintf(outp, " Avg_MHz"); 288d7899447SLen Brown if (has_aperf) 289fc04cc67SLen Brown outp += sprintf(outp, " %%Busy"); 290fc04cc67SLen Brown if (has_aperf) 291fc04cc67SLen Brown outp += sprintf(outp, " Bzy_MHz"); 292fc04cc67SLen Brown outp += sprintf(outp, " TSC_MHz"); 2931cc21f7bSLen Brown 2948e180f3cSLen Brown if (extra_delta_offset32) 295f9240813SLen Brown outp += sprintf(outp, " count 0x%03X", extra_delta_offset32); 2968e180f3cSLen Brown if (extra_delta_offset64) 297f9240813SLen Brown outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64); 2982f32edf1SLen Brown if (extra_msr_offset32) 2998e180f3cSLen Brown outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32); 3002f32edf1SLen Brown if (extra_msr_offset64) 3018e180f3cSLen Brown outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64); 3021cc21f7bSLen Brown 3031cc21f7bSLen Brown if (!debug) 3041cc21f7bSLen Brown goto done; 3051cc21f7bSLen Brown 3061cc21f7bSLen Brown if (do_smi) 3071cc21f7bSLen Brown outp += sprintf(outp, " SMI"); 3081cc21f7bSLen Brown 309103a8feaSLen Brown if (do_nhm_cstates) 310fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c1"); 311144b44b1SLen Brown if (do_nhm_cstates && !do_slm_cstates) 312fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c3"); 313103a8feaSLen Brown if (do_nhm_cstates) 314fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c6"); 315103a8feaSLen Brown if (do_snb_cstates) 316fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c7"); 317889facbeSLen Brown 318889facbeSLen Brown if (do_dts) 319fc04cc67SLen Brown outp += sprintf(outp, " CoreTmp"); 320889facbeSLen Brown if (do_ptm) 321fc04cc67SLen Brown outp += sprintf(outp, " PkgTmp"); 322889facbeSLen Brown 323ee7e38e3SLen Brown if (do_pc2) 324fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc2"); 325ee7e38e3SLen Brown if (do_pc3) 326fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc3"); 327ee7e38e3SLen Brown if (do_pc6) 328fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc6"); 329ee7e38e3SLen Brown if (do_pc7) 330fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc7"); 331ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 332fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc8"); 333fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc9"); 334fc04cc67SLen Brown outp += sprintf(outp, " Pk%%pc10"); 335ca58710fSKristen Carlson Accardi } 336103a8feaSLen Brown 3375c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 338889facbeSLen Brown if (do_rapl & RAPL_PKG) 339fc04cc67SLen Brown outp += sprintf(outp, " PkgWatt"); 340889facbeSLen Brown if (do_rapl & RAPL_CORES) 341fc04cc67SLen Brown outp += sprintf(outp, " CorWatt"); 342889facbeSLen Brown if (do_rapl & RAPL_GFX) 343fc04cc67SLen Brown outp += sprintf(outp, " GFXWatt"); 344889facbeSLen Brown if (do_rapl & RAPL_DRAM) 345fc04cc67SLen Brown outp += sprintf(outp, " RAMWatt"); 346889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 347889facbeSLen Brown outp += sprintf(outp, " PKG_%%"); 348889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 349889facbeSLen Brown outp += sprintf(outp, " RAM_%%"); 350d7899447SLen Brown } else if (do_rapl && rapl_joules) { 3515c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 3525c56be9aSDirk Brandewie outp += sprintf(outp, " Pkg_J"); 3535c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 3545c56be9aSDirk Brandewie outp += sprintf(outp, " Cor_J"); 3555c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 3565c56be9aSDirk Brandewie outp += sprintf(outp, " GFX_J"); 3575c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 3585c56be9aSDirk Brandewie outp += sprintf(outp, " RAM_W"); 3595c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 3605c56be9aSDirk Brandewie outp += sprintf(outp, " PKG_%%"); 3615c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 3625c56be9aSDirk Brandewie outp += sprintf(outp, " RAM_%%"); 3635c56be9aSDirk Brandewie outp += sprintf(outp, " time"); 364889facbeSLen Brown 3655c56be9aSDirk Brandewie } 3661cc21f7bSLen Brown done: 367c98d5d94SLen Brown outp += sprintf(outp, "\n"); 368103a8feaSLen Brown } 369103a8feaSLen Brown 370c98d5d94SLen Brown int dump_counters(struct thread_data *t, struct core_data *c, 371c98d5d94SLen Brown struct pkg_data *p) 372103a8feaSLen Brown { 3733b4d5c7fSAndy Shevchenko outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p); 374c98d5d94SLen Brown 375c98d5d94SLen Brown if (t) { 3763b4d5c7fSAndy Shevchenko outp += sprintf(outp, "CPU: %d flags 0x%x\n", 3773b4d5c7fSAndy Shevchenko t->cpu_id, t->flags); 3783b4d5c7fSAndy Shevchenko outp += sprintf(outp, "TSC: %016llX\n", t->tsc); 3793b4d5c7fSAndy Shevchenko outp += sprintf(outp, "aperf: %016llX\n", t->aperf); 3803b4d5c7fSAndy Shevchenko outp += sprintf(outp, "mperf: %016llX\n", t->mperf); 3813b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c1: %016llX\n", t->c1); 3823b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 3838e180f3cSLen Brown extra_delta_offset32, t->extra_delta32); 3843b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 3858e180f3cSLen Brown extra_delta_offset64, t->extra_delta64); 3863b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 3872f32edf1SLen Brown extra_msr_offset32, t->extra_msr32); 3883b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 3892f32edf1SLen Brown extra_msr_offset64, t->extra_msr64); 3901ed51011SLen Brown if (do_smi) 3913b4d5c7fSAndy Shevchenko outp += sprintf(outp, "SMI: %08X\n", t->smi_count); 392103a8feaSLen Brown } 393103a8feaSLen Brown 394c98d5d94SLen Brown if (c) { 3953b4d5c7fSAndy Shevchenko outp += sprintf(outp, "core: %d\n", c->core_id); 3963b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c3: %016llX\n", c->c3); 3973b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c6: %016llX\n", c->c6); 3983b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c7: %016llX\n", c->c7); 3993b4d5c7fSAndy Shevchenko outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c); 400c98d5d94SLen Brown } 401103a8feaSLen Brown 402c98d5d94SLen Brown if (p) { 4033b4d5c7fSAndy Shevchenko outp += sprintf(outp, "package: %d\n", p->package_id); 4043b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc2: %016llX\n", p->pc2); 405ee7e38e3SLen Brown if (do_pc3) 4063b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc3: %016llX\n", p->pc3); 407ee7e38e3SLen Brown if (do_pc6) 4083b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc6: %016llX\n", p->pc6); 409ee7e38e3SLen Brown if (do_pc7) 4103b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc7: %016llX\n", p->pc7); 4113b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc8: %016llX\n", p->pc8); 4123b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc9: %016llX\n", p->pc9); 4133b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc10: %016llX\n", p->pc10); 4143b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg); 4153b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores); 4163b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx); 4173b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram); 4183b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle PKG: %0X\n", 4193b4d5c7fSAndy Shevchenko p->rapl_pkg_perf_status); 4203b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle RAM: %0X\n", 4213b4d5c7fSAndy Shevchenko p->rapl_dram_perf_status); 4223b4d5c7fSAndy Shevchenko outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c); 423c98d5d94SLen Brown } 4243b4d5c7fSAndy Shevchenko 4253b4d5c7fSAndy Shevchenko outp += sprintf(outp, "\n"); 4263b4d5c7fSAndy Shevchenko 427c98d5d94SLen Brown return 0; 428103a8feaSLen Brown } 429103a8feaSLen Brown 430e23da037SLen Brown /* 431e23da037SLen Brown * column formatting convention & formats 432e23da037SLen Brown */ 433c98d5d94SLen Brown int format_counters(struct thread_data *t, struct core_data *c, 434c98d5d94SLen Brown struct pkg_data *p) 435103a8feaSLen Brown { 436103a8feaSLen Brown double interval_float; 437fc04cc67SLen Brown char *fmt8; 438103a8feaSLen Brown 439c98d5d94SLen Brown /* if showing only 1st thread in core and this isn't one, bail out */ 440c98d5d94SLen Brown if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 441c98d5d94SLen Brown return 0; 442c98d5d94SLen Brown 443c98d5d94SLen Brown /* if showing only 1st thread in pkg and this isn't one, bail out */ 444c98d5d94SLen Brown if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 445c98d5d94SLen Brown return 0; 446c98d5d94SLen Brown 447103a8feaSLen Brown interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0; 448103a8feaSLen Brown 449c98d5d94SLen Brown /* topo columns, print blanks on 1st (average) line */ 450c98d5d94SLen Brown if (t == &average.threads) { 451103a8feaSLen Brown if (show_pkg) 452fc04cc67SLen Brown outp += sprintf(outp, " -"); 453103a8feaSLen Brown if (show_core) 454fc04cc67SLen Brown outp += sprintf(outp, " -"); 455103a8feaSLen Brown if (show_cpu) 456fc04cc67SLen Brown outp += sprintf(outp, " -"); 457103a8feaSLen Brown } else { 458c98d5d94SLen Brown if (show_pkg) { 459c98d5d94SLen Brown if (p) 460fc04cc67SLen Brown outp += sprintf(outp, "%8d", p->package_id); 461c98d5d94SLen Brown else 462fc04cc67SLen Brown outp += sprintf(outp, " -"); 463c98d5d94SLen Brown } 464c98d5d94SLen Brown if (show_core) { 465c98d5d94SLen Brown if (c) 466fc04cc67SLen Brown outp += sprintf(outp, "%8d", c->core_id); 467c98d5d94SLen Brown else 468fc04cc67SLen Brown outp += sprintf(outp, " -"); 469c98d5d94SLen Brown } 470103a8feaSLen Brown if (show_cpu) 471fc04cc67SLen Brown outp += sprintf(outp, "%8d", t->cpu_id); 472103a8feaSLen Brown } 473fc04cc67SLen Brown 474d7899447SLen Brown /* Avg_MHz */ 475fc04cc67SLen Brown if (has_aperf) 476fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 477fc04cc67SLen Brown 1.0 / units * t->aperf / interval_float); 478fc04cc67SLen Brown 479d7899447SLen Brown /* %Busy */ 480d7899447SLen Brown if (has_aperf) { 481103a8feaSLen Brown if (!skip_c0) 482fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * t->mperf/t->tsc); 483103a8feaSLen Brown else 484fc04cc67SLen Brown outp += sprintf(outp, "********"); 485103a8feaSLen Brown } 486103a8feaSLen Brown 487d7899447SLen Brown /* Bzy_MHz */ 488fc04cc67SLen Brown if (has_aperf) 489fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 490fc04cc67SLen Brown 1.0 * t->tsc / units * t->aperf / t->mperf / interval_float); 491103a8feaSLen Brown 492d7899447SLen Brown /* TSC_MHz */ 493fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 1.0 * t->tsc/units/interval_float); 494103a8feaSLen Brown 4958e180f3cSLen Brown /* delta */ 4968e180f3cSLen Brown if (extra_delta_offset32) 4978e180f3cSLen Brown outp += sprintf(outp, " %11llu", t->extra_delta32); 4988e180f3cSLen Brown 4998e180f3cSLen Brown /* DELTA */ 5008e180f3cSLen Brown if (extra_delta_offset64) 5018e180f3cSLen Brown outp += sprintf(outp, " %11llu", t->extra_delta64); 5022f32edf1SLen Brown /* msr */ 5032f32edf1SLen Brown if (extra_msr_offset32) 5048e180f3cSLen Brown outp += sprintf(outp, " 0x%08llx", t->extra_msr32); 5052f32edf1SLen Brown 506130ff304SLen Brown /* MSR */ 5072f32edf1SLen Brown if (extra_msr_offset64) 5082f32edf1SLen Brown outp += sprintf(outp, " 0x%016llx", t->extra_msr64); 509130ff304SLen Brown 5101cc21f7bSLen Brown if (!debug) 5111cc21f7bSLen Brown goto done; 5121cc21f7bSLen Brown 5131cc21f7bSLen Brown /* SMI */ 5141cc21f7bSLen Brown if (do_smi) 5151cc21f7bSLen Brown outp += sprintf(outp, "%8d", t->smi_count); 5161cc21f7bSLen Brown 517103a8feaSLen Brown if (do_nhm_cstates) { 518103a8feaSLen Brown if (!skip_c1) 519fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * t->c1/t->tsc); 520103a8feaSLen Brown else 521fc04cc67SLen Brown outp += sprintf(outp, "********"); 522103a8feaSLen Brown } 523c98d5d94SLen Brown 524c98d5d94SLen Brown /* print per-core data only for 1st thread in core */ 525c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 526c98d5d94SLen Brown goto done; 527c98d5d94SLen Brown 528144b44b1SLen Brown if (do_nhm_cstates && !do_slm_cstates) 529fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c3/t->tsc); 530103a8feaSLen Brown if (do_nhm_cstates) 531fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c6/t->tsc); 532103a8feaSLen Brown if (do_snb_cstates) 533fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c7/t->tsc); 534c98d5d94SLen Brown 535889facbeSLen Brown if (do_dts) 536fc04cc67SLen Brown outp += sprintf(outp, "%8d", c->core_temp_c); 537889facbeSLen Brown 538c98d5d94SLen Brown /* print per-package data only for 1st core in package */ 539c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 540c98d5d94SLen Brown goto done; 541c98d5d94SLen Brown 542889facbeSLen Brown if (do_ptm) 543fc04cc67SLen Brown outp += sprintf(outp, "%8d", p->pkg_temp_c); 544889facbeSLen Brown 545ee7e38e3SLen Brown if (do_pc2) 546fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc2/t->tsc); 547ee7e38e3SLen Brown if (do_pc3) 548fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc3/t->tsc); 549ee7e38e3SLen Brown if (do_pc6) 550fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc6/t->tsc); 551ee7e38e3SLen Brown if (do_pc7) 552fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc7/t->tsc); 553ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 554fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc8/t->tsc); 555fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc9/t->tsc); 556fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc10/t->tsc); 557ca58710fSKristen Carlson Accardi } 558889facbeSLen Brown 559889facbeSLen Brown /* 560889facbeSLen Brown * If measurement interval exceeds minimum RAPL Joule Counter range, 561889facbeSLen Brown * indicate that results are suspect by printing "**" in fraction place. 562889facbeSLen Brown */ 563fc04cc67SLen Brown if (interval_float < rapl_joule_counter_range) 564fc04cc67SLen Brown fmt8 = "%8.2f"; 565fc04cc67SLen Brown else 566fc04cc67SLen Brown fmt8 = " %6.0f**"; 567889facbeSLen Brown 5685c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 569889facbeSLen Brown if (do_rapl & RAPL_PKG) 570fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float); 571889facbeSLen Brown if (do_rapl & RAPL_CORES) 572fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float); 573889facbeSLen Brown if (do_rapl & RAPL_GFX) 574fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float); 575889facbeSLen Brown if (do_rapl & RAPL_DRAM) 576fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_dram * rapl_energy_units / interval_float); 577889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 578fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 579889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 580fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 581d7899447SLen Brown } else if (do_rapl && rapl_joules) { 5825c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 583fc04cc67SLen Brown outp += sprintf(outp, fmt8, 5845c56be9aSDirk Brandewie p->energy_pkg * rapl_energy_units); 5855c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 586fc04cc67SLen Brown outp += sprintf(outp, fmt8, 5875c56be9aSDirk Brandewie p->energy_cores * rapl_energy_units); 5885c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 589fc04cc67SLen Brown outp += sprintf(outp, fmt8, 5905c56be9aSDirk Brandewie p->energy_gfx * rapl_energy_units); 5915c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 592fc04cc67SLen Brown outp += sprintf(outp, fmt8, 5935c56be9aSDirk Brandewie p->energy_dram * rapl_energy_units); 5945c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 595fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 5965c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 597fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 598889facbeSLen Brown 599d7899447SLen Brown outp += sprintf(outp, fmt8, interval_float); 6005c56be9aSDirk Brandewie } 601c98d5d94SLen Brown done: 602c98d5d94SLen Brown outp += sprintf(outp, "\n"); 603c98d5d94SLen Brown 604c98d5d94SLen Brown return 0; 605103a8feaSLen Brown } 606103a8feaSLen Brown 607c98d5d94SLen Brown void flush_stdout() 608103a8feaSLen Brown { 609c98d5d94SLen Brown fputs(output_buffer, stdout); 610ddac0d68SLen Brown fflush(stdout); 611c98d5d94SLen Brown outp = output_buffer; 612c98d5d94SLen Brown } 613c98d5d94SLen Brown void flush_stderr() 614c98d5d94SLen Brown { 615c98d5d94SLen Brown fputs(output_buffer, stderr); 616c98d5d94SLen Brown outp = output_buffer; 617c98d5d94SLen Brown } 618c98d5d94SLen Brown void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 619c98d5d94SLen Brown { 620e23da037SLen Brown static int printed; 621103a8feaSLen Brown 622e23da037SLen Brown if (!printed || !summary_only) 623103a8feaSLen Brown print_header(); 624103a8feaSLen Brown 625c98d5d94SLen Brown if (topo.num_cpus > 1) 626c98d5d94SLen Brown format_counters(&average.threads, &average.cores, 627c98d5d94SLen Brown &average.packages); 628103a8feaSLen Brown 629e23da037SLen Brown printed = 1; 630e23da037SLen Brown 631e23da037SLen Brown if (summary_only) 632e23da037SLen Brown return; 633e23da037SLen Brown 634c98d5d94SLen Brown for_all_cpus(format_counters, t, c, p); 635103a8feaSLen Brown } 636103a8feaSLen Brown 637889facbeSLen Brown #define DELTA_WRAP32(new, old) \ 638889facbeSLen Brown if (new > old) { \ 639889facbeSLen Brown old = new - old; \ 640889facbeSLen Brown } else { \ 641889facbeSLen Brown old = 0x100000000 + new - old; \ 642889facbeSLen Brown } 643889facbeSLen Brown 644c98d5d94SLen Brown void 645c98d5d94SLen Brown delta_package(struct pkg_data *new, struct pkg_data *old) 646103a8feaSLen Brown { 647c98d5d94SLen Brown old->pc2 = new->pc2 - old->pc2; 648ee7e38e3SLen Brown if (do_pc3) 649c98d5d94SLen Brown old->pc3 = new->pc3 - old->pc3; 650ee7e38e3SLen Brown if (do_pc6) 651c98d5d94SLen Brown old->pc6 = new->pc6 - old->pc6; 652ee7e38e3SLen Brown if (do_pc7) 653c98d5d94SLen Brown old->pc7 = new->pc7 - old->pc7; 654ca58710fSKristen Carlson Accardi old->pc8 = new->pc8 - old->pc8; 655ca58710fSKristen Carlson Accardi old->pc9 = new->pc9 - old->pc9; 656ca58710fSKristen Carlson Accardi old->pc10 = new->pc10 - old->pc10; 657889facbeSLen Brown old->pkg_temp_c = new->pkg_temp_c; 658889facbeSLen Brown 659889facbeSLen Brown DELTA_WRAP32(new->energy_pkg, old->energy_pkg); 660889facbeSLen Brown DELTA_WRAP32(new->energy_cores, old->energy_cores); 661889facbeSLen Brown DELTA_WRAP32(new->energy_gfx, old->energy_gfx); 662889facbeSLen Brown DELTA_WRAP32(new->energy_dram, old->energy_dram); 663889facbeSLen Brown DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status); 664889facbeSLen Brown DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status); 665103a8feaSLen Brown } 666103a8feaSLen Brown 667c98d5d94SLen Brown void 668c98d5d94SLen Brown delta_core(struct core_data *new, struct core_data *old) 669c98d5d94SLen Brown { 670c98d5d94SLen Brown old->c3 = new->c3 - old->c3; 671c98d5d94SLen Brown old->c6 = new->c6 - old->c6; 672c98d5d94SLen Brown old->c7 = new->c7 - old->c7; 673889facbeSLen Brown old->core_temp_c = new->core_temp_c; 674103a8feaSLen Brown } 675c98d5d94SLen Brown 676c3ae331dSLen Brown /* 677c3ae331dSLen Brown * old = new - old 678c3ae331dSLen Brown */ 679c98d5d94SLen Brown void 680c98d5d94SLen Brown delta_thread(struct thread_data *new, struct thread_data *old, 681c98d5d94SLen Brown struct core_data *core_delta) 682c98d5d94SLen Brown { 683c98d5d94SLen Brown old->tsc = new->tsc - old->tsc; 684c98d5d94SLen Brown 685103a8feaSLen Brown /* check for TSC < 1 Mcycles over interval */ 686b2c95d90SJosh Triplett if (old->tsc < (1000 * 1000)) 687b2c95d90SJosh Triplett errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n" 688b2c95d90SJosh Triplett "You can disable all c-states by booting with \"idle=poll\"\n" 689b2c95d90SJosh Triplett "or just the deep ones with \"processor.max_cstate=1\""); 690103a8feaSLen Brown 691c98d5d94SLen Brown old->c1 = new->c1 - old->c1; 692c98d5d94SLen Brown 693a729617cSLen Brown if (has_aperf) { 694c98d5d94SLen Brown if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) { 695c98d5d94SLen Brown old->aperf = new->aperf - old->aperf; 696c98d5d94SLen Brown old->mperf = new->mperf - old->mperf; 697c98d5d94SLen Brown } else { 698c98d5d94SLen Brown 699103a8feaSLen Brown if (!aperf_mperf_unstable) { 700103a8feaSLen Brown fprintf(stderr, "%s: APERF or MPERF went backwards *\n", progname); 701103a8feaSLen Brown fprintf(stderr, "* Frequency results do not cover entire interval *\n"); 702103a8feaSLen Brown fprintf(stderr, "* fix this by running Linux-2.6.30 or later *\n"); 703103a8feaSLen Brown 704103a8feaSLen Brown aperf_mperf_unstable = 1; 705103a8feaSLen Brown } 706103a8feaSLen Brown /* 707103a8feaSLen Brown * mperf delta is likely a huge "positive" number 708103a8feaSLen Brown * can not use it for calculating c0 time 709103a8feaSLen Brown */ 710103a8feaSLen Brown skip_c0 = 1; 711103a8feaSLen Brown skip_c1 = 1; 712103a8feaSLen Brown } 713a729617cSLen Brown } 714103a8feaSLen Brown 715c98d5d94SLen Brown 716144b44b1SLen Brown if (use_c1_residency_msr) { 717144b44b1SLen Brown /* 718144b44b1SLen Brown * Some models have a dedicated C1 residency MSR, 719144b44b1SLen Brown * which should be more accurate than the derivation below. 720144b44b1SLen Brown */ 721144b44b1SLen Brown } else { 722103a8feaSLen Brown /* 723c3ae331dSLen Brown * As counter collection is not atomic, 724c3ae331dSLen Brown * it is possible for mperf's non-halted cycles + idle states 725103a8feaSLen Brown * to exceed TSC's all cycles: show c1 = 0% in that case. 726103a8feaSLen Brown */ 727c3ae331dSLen Brown if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc) 728c98d5d94SLen Brown old->c1 = 0; 729c98d5d94SLen Brown else { 730c98d5d94SLen Brown /* normal case, derive c1 */ 731c98d5d94SLen Brown old->c1 = old->tsc - old->mperf - core_delta->c3 732c98d5d94SLen Brown - core_delta->c6 - core_delta->c7; 733c98d5d94SLen Brown } 734144b44b1SLen Brown } 735c3ae331dSLen Brown 736c98d5d94SLen Brown if (old->mperf == 0) { 737d8af6f5fSLen Brown if (debug > 1) fprintf(stderr, "cpu%d MPERF 0!\n", old->cpu_id); 738c98d5d94SLen Brown old->mperf = 1; /* divide by 0 protection */ 739c98d5d94SLen Brown } 740103a8feaSLen Brown 7418e180f3cSLen Brown old->extra_delta32 = new->extra_delta32 - old->extra_delta32; 7428e180f3cSLen Brown old->extra_delta32 &= 0xFFFFFFFF; 7438e180f3cSLen Brown 7448e180f3cSLen Brown old->extra_delta64 = new->extra_delta64 - old->extra_delta64; 7458e180f3cSLen Brown 746103a8feaSLen Brown /* 7478e180f3cSLen Brown * Extra MSR is just a snapshot, simply copy latest w/o subtracting 748103a8feaSLen Brown */ 7492f32edf1SLen Brown old->extra_msr32 = new->extra_msr32; 7502f32edf1SLen Brown old->extra_msr64 = new->extra_msr64; 7511ed51011SLen Brown 7521ed51011SLen Brown if (do_smi) 7531ed51011SLen Brown old->smi_count = new->smi_count - old->smi_count; 754103a8feaSLen Brown } 755c98d5d94SLen Brown 756c98d5d94SLen Brown int delta_cpu(struct thread_data *t, struct core_data *c, 757c98d5d94SLen Brown struct pkg_data *p, struct thread_data *t2, 758c98d5d94SLen Brown struct core_data *c2, struct pkg_data *p2) 759c98d5d94SLen Brown { 760c98d5d94SLen Brown /* calculate core delta only for 1st thread in core */ 761c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE) 762c98d5d94SLen Brown delta_core(c, c2); 763c98d5d94SLen Brown 764c98d5d94SLen Brown /* always calculate thread delta */ 765c98d5d94SLen Brown delta_thread(t, t2, c2); /* c2 is core delta */ 766c98d5d94SLen Brown 767c98d5d94SLen Brown /* calculate package delta only for 1st core in package */ 768c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE) 769c98d5d94SLen Brown delta_package(p, p2); 770c98d5d94SLen Brown 771103a8feaSLen Brown return 0; 772103a8feaSLen Brown } 773103a8feaSLen Brown 774c98d5d94SLen Brown void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 775103a8feaSLen Brown { 776c98d5d94SLen Brown t->tsc = 0; 777c98d5d94SLen Brown t->aperf = 0; 778c98d5d94SLen Brown t->mperf = 0; 779c98d5d94SLen Brown t->c1 = 0; 780103a8feaSLen Brown 7811ed51011SLen Brown t->smi_count = 0; 7828e180f3cSLen Brown t->extra_delta32 = 0; 7838e180f3cSLen Brown t->extra_delta64 = 0; 7848e180f3cSLen Brown 785c98d5d94SLen Brown /* tells format_counters to dump all fields from this set */ 786c98d5d94SLen Brown t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE; 787c98d5d94SLen Brown 788c98d5d94SLen Brown c->c3 = 0; 789c98d5d94SLen Brown c->c6 = 0; 790c98d5d94SLen Brown c->c7 = 0; 791889facbeSLen Brown c->core_temp_c = 0; 792c98d5d94SLen Brown 793c98d5d94SLen Brown p->pc2 = 0; 794ee7e38e3SLen Brown if (do_pc3) 795c98d5d94SLen Brown p->pc3 = 0; 796ee7e38e3SLen Brown if (do_pc6) 797c98d5d94SLen Brown p->pc6 = 0; 798ee7e38e3SLen Brown if (do_pc7) 799c98d5d94SLen Brown p->pc7 = 0; 800ca58710fSKristen Carlson Accardi p->pc8 = 0; 801ca58710fSKristen Carlson Accardi p->pc9 = 0; 802ca58710fSKristen Carlson Accardi p->pc10 = 0; 803889facbeSLen Brown 804889facbeSLen Brown p->energy_pkg = 0; 805889facbeSLen Brown p->energy_dram = 0; 806889facbeSLen Brown p->energy_cores = 0; 807889facbeSLen Brown p->energy_gfx = 0; 808889facbeSLen Brown p->rapl_pkg_perf_status = 0; 809889facbeSLen Brown p->rapl_dram_perf_status = 0; 810889facbeSLen Brown p->pkg_temp_c = 0; 811103a8feaSLen Brown } 812c98d5d94SLen Brown int sum_counters(struct thread_data *t, struct core_data *c, 813c98d5d94SLen Brown struct pkg_data *p) 814103a8feaSLen Brown { 815c98d5d94SLen Brown average.threads.tsc += t->tsc; 816c98d5d94SLen Brown average.threads.aperf += t->aperf; 817c98d5d94SLen Brown average.threads.mperf += t->mperf; 818c98d5d94SLen Brown average.threads.c1 += t->c1; 81915aaa346SLen Brown 8208e180f3cSLen Brown average.threads.extra_delta32 += t->extra_delta32; 8218e180f3cSLen Brown average.threads.extra_delta64 += t->extra_delta64; 8228e180f3cSLen Brown 823c98d5d94SLen Brown /* sum per-core values only for 1st thread in core */ 824c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 825c98d5d94SLen Brown return 0; 826c98d5d94SLen Brown 827c98d5d94SLen Brown average.cores.c3 += c->c3; 828c98d5d94SLen Brown average.cores.c6 += c->c6; 829c98d5d94SLen Brown average.cores.c7 += c->c7; 830c98d5d94SLen Brown 831889facbeSLen Brown average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c); 832889facbeSLen Brown 833c98d5d94SLen Brown /* sum per-pkg values only for 1st core in pkg */ 834c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 835c98d5d94SLen Brown return 0; 836c98d5d94SLen Brown 837c98d5d94SLen Brown average.packages.pc2 += p->pc2; 838ee7e38e3SLen Brown if (do_pc3) 839c98d5d94SLen Brown average.packages.pc3 += p->pc3; 840ee7e38e3SLen Brown if (do_pc6) 841c98d5d94SLen Brown average.packages.pc6 += p->pc6; 842ee7e38e3SLen Brown if (do_pc7) 843c98d5d94SLen Brown average.packages.pc7 += p->pc7; 844ca58710fSKristen Carlson Accardi average.packages.pc8 += p->pc8; 845ca58710fSKristen Carlson Accardi average.packages.pc9 += p->pc9; 846ca58710fSKristen Carlson Accardi average.packages.pc10 += p->pc10; 847c98d5d94SLen Brown 848889facbeSLen Brown average.packages.energy_pkg += p->energy_pkg; 849889facbeSLen Brown average.packages.energy_dram += p->energy_dram; 850889facbeSLen Brown average.packages.energy_cores += p->energy_cores; 851889facbeSLen Brown average.packages.energy_gfx += p->energy_gfx; 852889facbeSLen Brown 853889facbeSLen Brown average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c); 854889facbeSLen Brown 855889facbeSLen Brown average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status; 856889facbeSLen Brown average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status; 857c98d5d94SLen Brown return 0; 858c98d5d94SLen Brown } 859c98d5d94SLen Brown /* 860c98d5d94SLen Brown * sum the counters for all cpus in the system 861c98d5d94SLen Brown * compute the weighted average 862c98d5d94SLen Brown */ 863c98d5d94SLen Brown void compute_average(struct thread_data *t, struct core_data *c, 864c98d5d94SLen Brown struct pkg_data *p) 865c98d5d94SLen Brown { 866c98d5d94SLen Brown clear_counters(&average.threads, &average.cores, &average.packages); 867c98d5d94SLen Brown 868c98d5d94SLen Brown for_all_cpus(sum_counters, t, c, p); 869c98d5d94SLen Brown 870c98d5d94SLen Brown average.threads.tsc /= topo.num_cpus; 871c98d5d94SLen Brown average.threads.aperf /= topo.num_cpus; 872c98d5d94SLen Brown average.threads.mperf /= topo.num_cpus; 873c98d5d94SLen Brown average.threads.c1 /= topo.num_cpus; 874c98d5d94SLen Brown 8758e180f3cSLen Brown average.threads.extra_delta32 /= topo.num_cpus; 8768e180f3cSLen Brown average.threads.extra_delta32 &= 0xFFFFFFFF; 8778e180f3cSLen Brown 8788e180f3cSLen Brown average.threads.extra_delta64 /= topo.num_cpus; 8798e180f3cSLen Brown 880c98d5d94SLen Brown average.cores.c3 /= topo.num_cores; 881c98d5d94SLen Brown average.cores.c6 /= topo.num_cores; 882c98d5d94SLen Brown average.cores.c7 /= topo.num_cores; 883c98d5d94SLen Brown 884c98d5d94SLen Brown average.packages.pc2 /= topo.num_packages; 885ee7e38e3SLen Brown if (do_pc3) 886c98d5d94SLen Brown average.packages.pc3 /= topo.num_packages; 887ee7e38e3SLen Brown if (do_pc6) 888c98d5d94SLen Brown average.packages.pc6 /= topo.num_packages; 889ee7e38e3SLen Brown if (do_pc7) 890c98d5d94SLen Brown average.packages.pc7 /= topo.num_packages; 891ca58710fSKristen Carlson Accardi 892ca58710fSKristen Carlson Accardi average.packages.pc8 /= topo.num_packages; 893ca58710fSKristen Carlson Accardi average.packages.pc9 /= topo.num_packages; 894ca58710fSKristen Carlson Accardi average.packages.pc10 /= topo.num_packages; 895c98d5d94SLen Brown } 896c98d5d94SLen Brown 897c98d5d94SLen Brown static unsigned long long rdtsc(void) 898c98d5d94SLen Brown { 899c98d5d94SLen Brown unsigned int low, high; 900c98d5d94SLen Brown 901c98d5d94SLen Brown asm volatile("rdtsc" : "=a" (low), "=d" (high)); 902c98d5d94SLen Brown 903c98d5d94SLen Brown return low | ((unsigned long long)high) << 32; 904c98d5d94SLen Brown } 905c98d5d94SLen Brown 906c98d5d94SLen Brown 907c98d5d94SLen Brown /* 908c98d5d94SLen Brown * get_counters(...) 909c98d5d94SLen Brown * migrate to cpu 910c98d5d94SLen Brown * acquire and record local counters for that cpu 911c98d5d94SLen Brown */ 912c98d5d94SLen Brown int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 913c98d5d94SLen Brown { 914c98d5d94SLen Brown int cpu = t->cpu_id; 915889facbeSLen Brown unsigned long long msr; 916c98d5d94SLen Brown 917e52966c0SLen Brown if (cpu_migrate(cpu)) { 918e52966c0SLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 91915aaa346SLen Brown return -1; 920e52966c0SLen Brown } 92115aaa346SLen Brown 922c98d5d94SLen Brown t->tsc = rdtsc(); /* we are running on local CPU of interest */ 92315aaa346SLen Brown 92415aaa346SLen Brown if (has_aperf) { 9259c63a650SLen Brown if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 926c98d5d94SLen Brown return -3; 9279c63a650SLen Brown if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf)) 928c98d5d94SLen Brown return -4; 92988c3281fSLen Brown } 93088c3281fSLen Brown 9311ed51011SLen Brown if (do_smi) { 9321ed51011SLen Brown if (get_msr(cpu, MSR_SMI_COUNT, &msr)) 9331ed51011SLen Brown return -5; 9341ed51011SLen Brown t->smi_count = msr & 0xFFFFFFFF; 9351ed51011SLen Brown } 9368e180f3cSLen Brown if (extra_delta_offset32) { 937889facbeSLen Brown if (get_msr(cpu, extra_delta_offset32, &msr)) 9382f32edf1SLen Brown return -5; 939889facbeSLen Brown t->extra_delta32 = msr & 0xFFFFFFFF; 9408e180f3cSLen Brown } 9418e180f3cSLen Brown 9428e180f3cSLen Brown if (extra_delta_offset64) 9438e180f3cSLen Brown if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64)) 9448e180f3cSLen Brown return -5; 9458e180f3cSLen Brown 9468e180f3cSLen Brown if (extra_msr_offset32) { 947889facbeSLen Brown if (get_msr(cpu, extra_msr_offset32, &msr)) 9488e180f3cSLen Brown return -5; 949889facbeSLen Brown t->extra_msr32 = msr & 0xFFFFFFFF; 9508e180f3cSLen Brown } 9512f32edf1SLen Brown 9522f32edf1SLen Brown if (extra_msr_offset64) 9532f32edf1SLen Brown if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64)) 954c98d5d94SLen Brown return -5; 955c98d5d94SLen Brown 956144b44b1SLen Brown if (use_c1_residency_msr) { 957144b44b1SLen Brown if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1)) 958144b44b1SLen Brown return -6; 959144b44b1SLen Brown } 960144b44b1SLen Brown 961c98d5d94SLen Brown /* collect core counters only for 1st thread in core */ 962c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 963c98d5d94SLen Brown return 0; 964c98d5d94SLen Brown 965144b44b1SLen Brown if (do_nhm_cstates && !do_slm_cstates) { 966c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3)) 967c98d5d94SLen Brown return -6; 968144b44b1SLen Brown } 969144b44b1SLen Brown 970144b44b1SLen Brown if (do_nhm_cstates) { 971c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6)) 972c98d5d94SLen Brown return -7; 973103a8feaSLen Brown } 97415aaa346SLen Brown 97515aaa346SLen Brown if (do_snb_cstates) 976c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7)) 977c98d5d94SLen Brown return -8; 978c98d5d94SLen Brown 979889facbeSLen Brown if (do_dts) { 980889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 981889facbeSLen Brown return -9; 982889facbeSLen Brown c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 983889facbeSLen Brown } 984889facbeSLen Brown 985889facbeSLen Brown 986c98d5d94SLen Brown /* collect package counters only for 1st core in package */ 987c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 988c98d5d94SLen Brown return 0; 98915aaa346SLen Brown 990ee7e38e3SLen Brown if (do_pc3) 991c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3)) 992c98d5d94SLen Brown return -9; 993ee7e38e3SLen Brown if (do_pc6) 994c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6)) 995c98d5d94SLen Brown return -10; 996ee7e38e3SLen Brown if (do_pc2) 997c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2)) 998c98d5d94SLen Brown return -11; 999ee7e38e3SLen Brown if (do_pc7) 1000c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7)) 1001c98d5d94SLen Brown return -12; 1002ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 1003ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8)) 1004ca58710fSKristen Carlson Accardi return -13; 1005ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9)) 1006ca58710fSKristen Carlson Accardi return -13; 1007ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10)) 1008ca58710fSKristen Carlson Accardi return -13; 1009ca58710fSKristen Carlson Accardi } 1010889facbeSLen Brown if (do_rapl & RAPL_PKG) { 1011889facbeSLen Brown if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr)) 1012889facbeSLen Brown return -13; 1013889facbeSLen Brown p->energy_pkg = msr & 0xFFFFFFFF; 1014889facbeSLen Brown } 1015889facbeSLen Brown if (do_rapl & RAPL_CORES) { 1016889facbeSLen Brown if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr)) 1017889facbeSLen Brown return -14; 1018889facbeSLen Brown p->energy_cores = msr & 0xFFFFFFFF; 1019889facbeSLen Brown } 1020889facbeSLen Brown if (do_rapl & RAPL_DRAM) { 1021889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr)) 1022889facbeSLen Brown return -15; 1023889facbeSLen Brown p->energy_dram = msr & 0xFFFFFFFF; 1024889facbeSLen Brown } 1025889facbeSLen Brown if (do_rapl & RAPL_GFX) { 1026889facbeSLen Brown if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr)) 1027889facbeSLen Brown return -16; 1028889facbeSLen Brown p->energy_gfx = msr & 0xFFFFFFFF; 1029889facbeSLen Brown } 1030889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) { 1031889facbeSLen Brown if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr)) 1032889facbeSLen Brown return -16; 1033889facbeSLen Brown p->rapl_pkg_perf_status = msr & 0xFFFFFFFF; 1034889facbeSLen Brown } 1035889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) { 1036889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr)) 1037889facbeSLen Brown return -16; 1038889facbeSLen Brown p->rapl_dram_perf_status = msr & 0xFFFFFFFF; 1039889facbeSLen Brown } 1040889facbeSLen Brown if (do_ptm) { 1041889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 1042889facbeSLen Brown return -17; 1043889facbeSLen Brown p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1044889facbeSLen Brown } 104515aaa346SLen Brown return 0; 1046103a8feaSLen Brown } 1047103a8feaSLen Brown 1048ee7e38e3SLen Brown /* 1049ee7e38e3SLen Brown * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit: 1050ee7e38e3SLen Brown * If you change the values, note they are used both in comparisons 1051ee7e38e3SLen Brown * (>= PCL__7) and to index pkg_cstate_limit_strings[]. 1052ee7e38e3SLen Brown */ 1053ee7e38e3SLen Brown 1054ee7e38e3SLen Brown #define PCLUKN 0 /* Unknown */ 1055ee7e38e3SLen Brown #define PCLRSV 1 /* Reserved */ 1056ee7e38e3SLen Brown #define PCL__0 2 /* PC0 */ 1057ee7e38e3SLen Brown #define PCL__1 3 /* PC1 */ 1058ee7e38e3SLen Brown #define PCL__2 4 /* PC2 */ 1059ee7e38e3SLen Brown #define PCL__3 5 /* PC3 */ 1060ee7e38e3SLen Brown #define PCL__4 6 /* PC4 */ 1061ee7e38e3SLen Brown #define PCL__6 7 /* PC6 */ 1062ee7e38e3SLen Brown #define PCL_6N 8 /* PC6 No Retention */ 1063ee7e38e3SLen Brown #define PCL_6R 9 /* PC6 Retention */ 1064ee7e38e3SLen Brown #define PCL__7 10 /* PC7 */ 1065ee7e38e3SLen Brown #define PCL_7S 11 /* PC7 Shrink */ 1066ee7e38e3SLen Brown #define PCLUNL 12 /* Unlimited */ 1067ee7e38e3SLen Brown 1068ee7e38e3SLen Brown int pkg_cstate_limit = PCLUKN; 1069ee7e38e3SLen Brown char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2", 1070ee7e38e3SLen Brown "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "unlimited"}; 1071ee7e38e3SLen Brown 1072ee7e38e3SLen Brown int nhm_pkg_cstate_limits[8] = {PCL__0, PCL__1, PCL__3, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLUNL}; 1073ee7e38e3SLen Brown int snb_pkg_cstate_limits[8] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCL__7, PCL_7S, PCLRSV, PCLUNL}; 1074ee7e38e3SLen Brown int hsw_pkg_cstate_limits[8] = {PCL__0, PCL__2, PCL__3, PCL__6, PCL__7, PCL_7S, PCLRSV, PCLUNL}; 1075ee7e38e3SLen Brown int slv_pkg_cstate_limits[8] = {PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV, PCL__6, PCL__7}; 1076ee7e38e3SLen Brown int amt_pkg_cstate_limits[8] = {PCL__0, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7}; 1077ee7e38e3SLen Brown int phi_pkg_cstate_limits[8] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL}; 1078ee7e38e3SLen Brown 1079*fcd17211SLen Brown static void 1080*fcd17211SLen Brown dump_nhm_platform_info(void) 1081103a8feaSLen Brown { 1082103a8feaSLen Brown unsigned long long msr; 1083103a8feaSLen Brown unsigned int ratio; 1084103a8feaSLen Brown 10859c63a650SLen Brown get_msr(0, MSR_NHM_PLATFORM_INFO, &msr); 1086103a8feaSLen Brown 1087889facbeSLen Brown fprintf(stderr, "cpu0: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", msr); 10886574a5d5SLen Brown 1089103a8feaSLen Brown ratio = (msr >> 40) & 0xFF; 10908f61f359SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency frequency\n", 1091103a8feaSLen Brown ratio, bclk, ratio * bclk); 1092103a8feaSLen Brown 1093103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 10948f61f359SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz base frequency\n", 1095103a8feaSLen Brown ratio, bclk, ratio * bclk); 1096103a8feaSLen Brown 109767920418SLen Brown get_msr(0, MSR_IA32_POWER_CTL, &msr); 1098144b44b1SLen Brown fprintf(stderr, "cpu0: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n", 109967920418SLen Brown msr, msr & 0x2 ? "EN" : "DIS"); 110067920418SLen Brown 1101*fcd17211SLen Brown return; 1102*fcd17211SLen Brown } 1103*fcd17211SLen Brown 1104*fcd17211SLen Brown static void 1105*fcd17211SLen Brown dump_hsw_turbo_ratio_limits(void) 1106*fcd17211SLen Brown { 1107*fcd17211SLen Brown unsigned long long msr; 1108*fcd17211SLen Brown unsigned int ratio; 1109*fcd17211SLen Brown 1110*fcd17211SLen Brown get_msr(0, MSR_TURBO_RATIO_LIMIT2, &msr); 1111*fcd17211SLen Brown 1112*fcd17211SLen Brown fprintf(stderr, "cpu0: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", msr); 1113*fcd17211SLen Brown 1114*fcd17211SLen Brown ratio = (msr >> 8) & 0xFF; 1115*fcd17211SLen Brown if (ratio) 1116*fcd17211SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 18 active cores\n", 1117*fcd17211SLen Brown ratio, bclk, ratio * bclk); 1118*fcd17211SLen Brown 1119*fcd17211SLen Brown ratio = (msr >> 0) & 0xFF; 1120*fcd17211SLen Brown if (ratio) 1121*fcd17211SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 17 active cores\n", 1122*fcd17211SLen Brown ratio, bclk, ratio * bclk); 1123*fcd17211SLen Brown return; 1124*fcd17211SLen Brown } 1125*fcd17211SLen Brown 1126*fcd17211SLen Brown static void 1127*fcd17211SLen Brown dump_ivt_turbo_ratio_limits(void) 1128*fcd17211SLen Brown { 1129*fcd17211SLen Brown unsigned long long msr; 1130*fcd17211SLen Brown unsigned int ratio; 11316574a5d5SLen Brown 113212bb43c6SLen Brown get_msr(0, MSR_TURBO_RATIO_LIMIT1, &msr); 11336574a5d5SLen Brown 113412bb43c6SLen Brown fprintf(stderr, "cpu0: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", msr); 11356574a5d5SLen Brown 11366574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 11376574a5d5SLen Brown if (ratio) 11386574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 16 active cores\n", 11396574a5d5SLen Brown ratio, bclk, ratio * bclk); 11406574a5d5SLen Brown 11416574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 11426574a5d5SLen Brown if (ratio) 11436574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 15 active cores\n", 11446574a5d5SLen Brown ratio, bclk, ratio * bclk); 11456574a5d5SLen Brown 11466574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 11476574a5d5SLen Brown if (ratio) 11486574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 14 active cores\n", 11496574a5d5SLen Brown ratio, bclk, ratio * bclk); 11506574a5d5SLen Brown 11516574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 11526574a5d5SLen Brown if (ratio) 11536574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 13 active cores\n", 11546574a5d5SLen Brown ratio, bclk, ratio * bclk); 11556574a5d5SLen Brown 11566574a5d5SLen Brown ratio = (msr >> 24) & 0xFF; 11576574a5d5SLen Brown if (ratio) 11586574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 12 active cores\n", 11596574a5d5SLen Brown ratio, bclk, ratio * bclk); 11606574a5d5SLen Brown 11616574a5d5SLen Brown ratio = (msr >> 16) & 0xFF; 11626574a5d5SLen Brown if (ratio) 11636574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 11 active cores\n", 11646574a5d5SLen Brown ratio, bclk, ratio * bclk); 11656574a5d5SLen Brown 11666574a5d5SLen Brown ratio = (msr >> 8) & 0xFF; 11676574a5d5SLen Brown if (ratio) 11686574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 10 active cores\n", 11696574a5d5SLen Brown ratio, bclk, ratio * bclk); 11706574a5d5SLen Brown 11716574a5d5SLen Brown ratio = (msr >> 0) & 0xFF; 11726574a5d5SLen Brown if (ratio) 11736574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 9 active cores\n", 11746574a5d5SLen Brown ratio, bclk, ratio * bclk); 1175103a8feaSLen Brown return; 1176*fcd17211SLen Brown } 1177*fcd17211SLen Brown 1178*fcd17211SLen Brown static void 1179*fcd17211SLen Brown dump_nhm_turbo_ratio_limits(void) 1180*fcd17211SLen Brown { 1181*fcd17211SLen Brown unsigned long long msr; 1182*fcd17211SLen Brown unsigned int ratio; 1183103a8feaSLen Brown 118412bb43c6SLen Brown get_msr(0, MSR_TURBO_RATIO_LIMIT, &msr); 1185103a8feaSLen Brown 118612bb43c6SLen Brown fprintf(stderr, "cpu0: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", msr); 11876574a5d5SLen Brown 11886574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 11896574a5d5SLen Brown if (ratio) 11906574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 8 active cores\n", 11916574a5d5SLen Brown ratio, bclk, ratio * bclk); 11926574a5d5SLen Brown 11936574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 11946574a5d5SLen Brown if (ratio) 11956574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 7 active cores\n", 11966574a5d5SLen Brown ratio, bclk, ratio * bclk); 11976574a5d5SLen Brown 11986574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 11996574a5d5SLen Brown if (ratio) 12006574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 6 active cores\n", 12016574a5d5SLen Brown ratio, bclk, ratio * bclk); 12026574a5d5SLen Brown 12036574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 12046574a5d5SLen Brown if (ratio) 12056574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 5 active cores\n", 12066574a5d5SLen Brown ratio, bclk, ratio * bclk); 12076574a5d5SLen Brown 1208103a8feaSLen Brown ratio = (msr >> 24) & 0xFF; 1209103a8feaSLen Brown if (ratio) 1210103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 4 active cores\n", 1211103a8feaSLen Brown ratio, bclk, ratio * bclk); 1212103a8feaSLen Brown 1213103a8feaSLen Brown ratio = (msr >> 16) & 0xFF; 1214103a8feaSLen Brown if (ratio) 1215103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 3 active cores\n", 1216103a8feaSLen Brown ratio, bclk, ratio * bclk); 1217103a8feaSLen Brown 1218103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1219103a8feaSLen Brown if (ratio) 1220103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 2 active cores\n", 1221103a8feaSLen Brown ratio, bclk, ratio * bclk); 1222103a8feaSLen Brown 1223103a8feaSLen Brown ratio = (msr >> 0) & 0xFF; 1224103a8feaSLen Brown if (ratio) 1225103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 1 active cores\n", 1226103a8feaSLen Brown ratio, bclk, ratio * bclk); 1227*fcd17211SLen Brown return; 1228*fcd17211SLen Brown } 12293a9a941dSLen Brown 1230*fcd17211SLen Brown static void 1231*fcd17211SLen Brown dump_nhm_cst_cfg(void) 1232*fcd17211SLen Brown { 1233*fcd17211SLen Brown unsigned long long msr; 1234*fcd17211SLen Brown 1235*fcd17211SLen Brown get_msr(0, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 1236*fcd17211SLen Brown 1237*fcd17211SLen Brown #define SNB_C1_AUTO_UNDEMOTE (1UL << 27) 1238*fcd17211SLen Brown #define SNB_C3_AUTO_UNDEMOTE (1UL << 28) 1239*fcd17211SLen Brown 1240*fcd17211SLen Brown fprintf(stderr, "cpu0: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", msr); 1241*fcd17211SLen Brown 1242*fcd17211SLen Brown fprintf(stderr, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n", 1243*fcd17211SLen Brown (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "", 1244*fcd17211SLen Brown (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "", 1245*fcd17211SLen Brown (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "", 1246*fcd17211SLen Brown (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "", 1247*fcd17211SLen Brown (msr & (1 << 15)) ? "" : "UN", 1248*fcd17211SLen Brown (unsigned int)msr & 7, 1249*fcd17211SLen Brown pkg_cstate_limit_strings[pkg_cstate_limit]); 1250*fcd17211SLen Brown return; 1251103a8feaSLen Brown } 1252103a8feaSLen Brown 1253c98d5d94SLen Brown void free_all_buffers(void) 1254103a8feaSLen Brown { 1255c98d5d94SLen Brown CPU_FREE(cpu_present_set); 1256c98d5d94SLen Brown cpu_present_set = NULL; 1257c98d5d94SLen Brown cpu_present_set = 0; 1258103a8feaSLen Brown 1259c98d5d94SLen Brown CPU_FREE(cpu_affinity_set); 1260c98d5d94SLen Brown cpu_affinity_set = NULL; 1261c98d5d94SLen Brown cpu_affinity_setsize = 0; 1262103a8feaSLen Brown 1263c98d5d94SLen Brown free(thread_even); 1264c98d5d94SLen Brown free(core_even); 1265c98d5d94SLen Brown free(package_even); 1266103a8feaSLen Brown 1267c98d5d94SLen Brown thread_even = NULL; 1268c98d5d94SLen Brown core_even = NULL; 1269c98d5d94SLen Brown package_even = NULL; 1270103a8feaSLen Brown 1271c98d5d94SLen Brown free(thread_odd); 1272c98d5d94SLen Brown free(core_odd); 1273c98d5d94SLen Brown free(package_odd); 1274103a8feaSLen Brown 1275c98d5d94SLen Brown thread_odd = NULL; 1276c98d5d94SLen Brown core_odd = NULL; 1277c98d5d94SLen Brown package_odd = NULL; 1278103a8feaSLen Brown 1279c98d5d94SLen Brown free(output_buffer); 1280c98d5d94SLen Brown output_buffer = NULL; 1281c98d5d94SLen Brown outp = NULL; 1282103a8feaSLen Brown } 1283103a8feaSLen Brown 1284103a8feaSLen Brown /* 128557a42a34SJosh Triplett * Open a file, and exit on failure 128657a42a34SJosh Triplett */ 128757a42a34SJosh Triplett FILE *fopen_or_die(const char *path, const char *mode) 128857a42a34SJosh Triplett { 128957a42a34SJosh Triplett FILE *filep = fopen(path, "r"); 1290b2c95d90SJosh Triplett if (!filep) 1291b2c95d90SJosh Triplett err(1, "%s: open failed", path); 129257a42a34SJosh Triplett return filep; 129357a42a34SJosh Triplett } 129457a42a34SJosh Triplett 129557a42a34SJosh Triplett /* 129695aebc44SJosh Triplett * Parse a file containing a single int. 129795aebc44SJosh Triplett */ 129895aebc44SJosh Triplett int parse_int_file(const char *fmt, ...) 129995aebc44SJosh Triplett { 130095aebc44SJosh Triplett va_list args; 130195aebc44SJosh Triplett char path[PATH_MAX]; 130295aebc44SJosh Triplett FILE *filep; 130395aebc44SJosh Triplett int value; 130495aebc44SJosh Triplett 130595aebc44SJosh Triplett va_start(args, fmt); 130695aebc44SJosh Triplett vsnprintf(path, sizeof(path), fmt, args); 130795aebc44SJosh Triplett va_end(args); 130857a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1309b2c95d90SJosh Triplett if (fscanf(filep, "%d", &value) != 1) 1310b2c95d90SJosh Triplett err(1, "%s: failed to parse number from file", path); 131195aebc44SJosh Triplett fclose(filep); 131295aebc44SJosh Triplett return value; 131395aebc44SJosh Triplett } 131495aebc44SJosh Triplett 131595aebc44SJosh Triplett /* 1316c98d5d94SLen Brown * cpu_is_first_sibling_in_core(cpu) 1317c98d5d94SLen Brown * return 1 if given CPU is 1st HT sibling in the core 1318103a8feaSLen Brown */ 1319c98d5d94SLen Brown int cpu_is_first_sibling_in_core(int cpu) 1320103a8feaSLen Brown { 132195aebc44SJosh Triplett return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); 1322c98d5d94SLen Brown } 1323103a8feaSLen Brown 1324c98d5d94SLen Brown /* 1325c98d5d94SLen Brown * cpu_is_first_core_in_package(cpu) 1326c98d5d94SLen Brown * return 1 if given CPU is 1st core in package 1327c98d5d94SLen Brown */ 1328c98d5d94SLen Brown int cpu_is_first_core_in_package(int cpu) 1329c98d5d94SLen Brown { 133095aebc44SJosh Triplett return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu); 1331103a8feaSLen Brown } 1332103a8feaSLen Brown 1333103a8feaSLen Brown int get_physical_package_id(int cpu) 1334103a8feaSLen Brown { 133595aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu); 1336103a8feaSLen Brown } 1337103a8feaSLen Brown 1338103a8feaSLen Brown int get_core_id(int cpu) 1339103a8feaSLen Brown { 134095aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu); 1341103a8feaSLen Brown } 1342103a8feaSLen Brown 1343c98d5d94SLen Brown int get_num_ht_siblings(int cpu) 1344c98d5d94SLen Brown { 1345c98d5d94SLen Brown char path[80]; 1346c98d5d94SLen Brown FILE *filep; 1347c98d5d94SLen Brown int sib1, sib2; 1348c98d5d94SLen Brown int matches; 1349c98d5d94SLen Brown char character; 1350c98d5d94SLen Brown 1351c98d5d94SLen Brown sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); 135257a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1353103a8feaSLen Brown /* 1354c98d5d94SLen Brown * file format: 1355c98d5d94SLen Brown * if a pair of number with a character between: 2 siblings (eg. 1-2, or 1,4) 1356c98d5d94SLen Brown * otherwinse 1 sibling (self). 1357c98d5d94SLen Brown */ 1358c98d5d94SLen Brown matches = fscanf(filep, "%d%c%d\n", &sib1, &character, &sib2); 1359c98d5d94SLen Brown 1360c98d5d94SLen Brown fclose(filep); 1361c98d5d94SLen Brown 1362c98d5d94SLen Brown if (matches == 3) 1363c98d5d94SLen Brown return 2; 1364c98d5d94SLen Brown else 1365c98d5d94SLen Brown return 1; 1366c98d5d94SLen Brown } 1367c98d5d94SLen Brown 1368c98d5d94SLen Brown /* 1369c98d5d94SLen Brown * run func(thread, core, package) in topology order 1370c98d5d94SLen Brown * skip non-present cpus 1371103a8feaSLen Brown */ 1372103a8feaSLen Brown 1373c98d5d94SLen Brown int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *, 1374c98d5d94SLen Brown struct pkg_data *, struct thread_data *, struct core_data *, 1375c98d5d94SLen Brown struct pkg_data *), struct thread_data *thread_base, 1376c98d5d94SLen Brown struct core_data *core_base, struct pkg_data *pkg_base, 1377c98d5d94SLen Brown struct thread_data *thread_base2, struct core_data *core_base2, 1378c98d5d94SLen Brown struct pkg_data *pkg_base2) 1379c98d5d94SLen Brown { 1380c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 1381c98d5d94SLen Brown 1382c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 1383c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 1384c98d5d94SLen Brown for (thread_no = 0; thread_no < 1385c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 1386c98d5d94SLen Brown struct thread_data *t, *t2; 1387c98d5d94SLen Brown struct core_data *c, *c2; 1388c98d5d94SLen Brown struct pkg_data *p, *p2; 1389c98d5d94SLen Brown 1390c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 1391c98d5d94SLen Brown 1392c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 1393c98d5d94SLen Brown continue; 1394c98d5d94SLen Brown 1395c98d5d94SLen Brown t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no); 1396c98d5d94SLen Brown 1397c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 1398c98d5d94SLen Brown c2 = GET_CORE(core_base2, core_no, pkg_no); 1399c98d5d94SLen Brown 1400c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 1401c98d5d94SLen Brown p2 = GET_PKG(pkg_base2, pkg_no); 1402c98d5d94SLen Brown 1403c98d5d94SLen Brown retval = func(t, c, p, t2, c2, p2); 1404c98d5d94SLen Brown if (retval) 1405c98d5d94SLen Brown return retval; 1406c98d5d94SLen Brown } 1407c98d5d94SLen Brown } 1408c98d5d94SLen Brown } 1409c98d5d94SLen Brown return 0; 1410c98d5d94SLen Brown } 1411c98d5d94SLen Brown 1412c98d5d94SLen Brown /* 1413c98d5d94SLen Brown * run func(cpu) on every cpu in /proc/stat 1414c98d5d94SLen Brown * return max_cpu number 1415c98d5d94SLen Brown */ 1416c98d5d94SLen Brown int for_all_proc_cpus(int (func)(int)) 1417103a8feaSLen Brown { 1418103a8feaSLen Brown FILE *fp; 1419c98d5d94SLen Brown int cpu_num; 1420103a8feaSLen Brown int retval; 1421103a8feaSLen Brown 142257a42a34SJosh Triplett fp = fopen_or_die(proc_stat, "r"); 1423103a8feaSLen Brown 1424103a8feaSLen Brown retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n"); 1425b2c95d90SJosh Triplett if (retval != 0) 1426b2c95d90SJosh Triplett err(1, "%s: failed to parse format", proc_stat); 1427103a8feaSLen Brown 1428c98d5d94SLen Brown while (1) { 1429c98d5d94SLen Brown retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num); 1430103a8feaSLen Brown if (retval != 1) 1431103a8feaSLen Brown break; 1432103a8feaSLen Brown 1433c98d5d94SLen Brown retval = func(cpu_num); 1434c98d5d94SLen Brown if (retval) { 1435c98d5d94SLen Brown fclose(fp); 1436c98d5d94SLen Brown return(retval); 1437c98d5d94SLen Brown } 1438103a8feaSLen Brown } 1439103a8feaSLen Brown fclose(fp); 1440c98d5d94SLen Brown return 0; 1441103a8feaSLen Brown } 1442103a8feaSLen Brown 1443103a8feaSLen Brown void re_initialize(void) 1444103a8feaSLen Brown { 1445c98d5d94SLen Brown free_all_buffers(); 1446c98d5d94SLen Brown setup_all_buffers(); 1447c98d5d94SLen Brown printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus); 1448103a8feaSLen Brown } 1449103a8feaSLen Brown 1450c98d5d94SLen Brown 1451103a8feaSLen Brown /* 1452c98d5d94SLen Brown * count_cpus() 1453c98d5d94SLen Brown * remember the last one seen, it will be the max 1454103a8feaSLen Brown */ 1455c98d5d94SLen Brown int count_cpus(int cpu) 1456103a8feaSLen Brown { 1457c98d5d94SLen Brown if (topo.max_cpu_num < cpu) 1458c98d5d94SLen Brown topo.max_cpu_num = cpu; 1459103a8feaSLen Brown 1460c98d5d94SLen Brown topo.num_cpus += 1; 1461c98d5d94SLen Brown return 0; 1462103a8feaSLen Brown } 1463c98d5d94SLen Brown int mark_cpu_present(int cpu) 1464c98d5d94SLen Brown { 1465c98d5d94SLen Brown CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set); 146615aaa346SLen Brown return 0; 1467103a8feaSLen Brown } 1468103a8feaSLen Brown 1469103a8feaSLen Brown void turbostat_loop() 1470103a8feaSLen Brown { 1471c98d5d94SLen Brown int retval; 1472e52966c0SLen Brown int restarted = 0; 1473c98d5d94SLen Brown 1474103a8feaSLen Brown restart: 1475e52966c0SLen Brown restarted++; 1476e52966c0SLen Brown 1477c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 1478d91bb17cSLen Brown if (retval < -1) { 1479d91bb17cSLen Brown exit(retval); 1480d91bb17cSLen Brown } else if (retval == -1) { 1481e52966c0SLen Brown if (restarted > 1) { 1482e52966c0SLen Brown exit(retval); 1483e52966c0SLen Brown } 1484c98d5d94SLen Brown re_initialize(); 1485c98d5d94SLen Brown goto restart; 1486c98d5d94SLen Brown } 1487e52966c0SLen Brown restarted = 0; 1488103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 1489103a8feaSLen Brown 1490103a8feaSLen Brown while (1) { 1491c98d5d94SLen Brown if (for_all_proc_cpus(cpu_is_not_present)) { 1492103a8feaSLen Brown re_initialize(); 1493103a8feaSLen Brown goto restart; 1494103a8feaSLen Brown } 1495103a8feaSLen Brown sleep(interval_sec); 1496c98d5d94SLen Brown retval = for_all_cpus(get_counters, ODD_COUNTERS); 1497d91bb17cSLen Brown if (retval < -1) { 1498d91bb17cSLen Brown exit(retval); 1499d91bb17cSLen Brown } else if (retval == -1) { 150015aaa346SLen Brown re_initialize(); 150115aaa346SLen Brown goto restart; 150215aaa346SLen Brown } 1503103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 1504103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 1505c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 1506c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 1507c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 1508c98d5d94SLen Brown flush_stdout(); 150915aaa346SLen Brown sleep(interval_sec); 1510c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 1511d91bb17cSLen Brown if (retval < -1) { 1512d91bb17cSLen Brown exit(retval); 1513d91bb17cSLen Brown } else if (retval == -1) { 1514103a8feaSLen Brown re_initialize(); 1515103a8feaSLen Brown goto restart; 1516103a8feaSLen Brown } 1517103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 1518103a8feaSLen Brown timersub(&tv_even, &tv_odd, &tv_delta); 1519c98d5d94SLen Brown for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS); 1520c98d5d94SLen Brown compute_average(ODD_COUNTERS); 1521c98d5d94SLen Brown format_all_counters(ODD_COUNTERS); 1522c98d5d94SLen Brown flush_stdout(); 1523103a8feaSLen Brown } 1524103a8feaSLen Brown } 1525103a8feaSLen Brown 1526103a8feaSLen Brown void check_dev_msr() 1527103a8feaSLen Brown { 1528103a8feaSLen Brown struct stat sb; 1529103a8feaSLen Brown 1530b2c95d90SJosh Triplett if (stat("/dev/cpu/0/msr", &sb)) 1531d7899447SLen Brown err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" "); 1532103a8feaSLen Brown } 1533103a8feaSLen Brown 153498481e79SLen Brown void check_permissions() 1535103a8feaSLen Brown { 153698481e79SLen Brown struct __user_cap_header_struct cap_header_data; 153798481e79SLen Brown cap_user_header_t cap_header = &cap_header_data; 153898481e79SLen Brown struct __user_cap_data_struct cap_data_data; 153998481e79SLen Brown cap_user_data_t cap_data = &cap_data_data; 154098481e79SLen Brown extern int capget(cap_user_header_t hdrp, cap_user_data_t datap); 154198481e79SLen Brown int do_exit = 0; 154298481e79SLen Brown 154398481e79SLen Brown /* check for CAP_SYS_RAWIO */ 154498481e79SLen Brown cap_header->pid = getpid(); 154598481e79SLen Brown cap_header->version = _LINUX_CAPABILITY_VERSION; 154698481e79SLen Brown if (capget(cap_header, cap_data) < 0) 154798481e79SLen Brown err(-6, "capget(2) failed"); 154898481e79SLen Brown 154998481e79SLen Brown if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) { 155098481e79SLen Brown do_exit++; 155198481e79SLen Brown warnx("capget(CAP_SYS_RAWIO) failed," 155298481e79SLen Brown " try \"# setcap cap_sys_rawio=ep %s\"", progname); 155398481e79SLen Brown } 155498481e79SLen Brown 155598481e79SLen Brown /* test file permissions */ 155698481e79SLen Brown if (euidaccess("/dev/cpu/0/msr", R_OK)) { 155798481e79SLen Brown do_exit++; 155898481e79SLen Brown warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr"); 155998481e79SLen Brown } 156098481e79SLen Brown 156198481e79SLen Brown /* if all else fails, thell them to be root */ 156298481e79SLen Brown if (do_exit) 1563b2c95d90SJosh Triplett if (getuid() != 0) 1564d7899447SLen Brown warnx("... or simply run as root"); 156598481e79SLen Brown 156698481e79SLen Brown if (do_exit) 156798481e79SLen Brown exit(-6); 1568103a8feaSLen Brown } 1569103a8feaSLen Brown 1570d7899447SLen Brown /* 1571d7899447SLen Brown * NHM adds support for additional MSRs: 1572d7899447SLen Brown * 1573d7899447SLen Brown * MSR_SMI_COUNT 0x00000034 1574d7899447SLen Brown * 1575d7899447SLen Brown * MSR_NHM_PLATFORM_INFO 0x000000ce 1576d7899447SLen Brown * MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2 1577d7899447SLen Brown * 1578d7899447SLen Brown * MSR_PKG_C3_RESIDENCY 0x000003f8 1579d7899447SLen Brown * MSR_PKG_C6_RESIDENCY 0x000003f9 1580d7899447SLen Brown * MSR_CORE_C3_RESIDENCY 0x000003fc 1581d7899447SLen Brown * MSR_CORE_C6_RESIDENCY 0x000003fd 1582d7899447SLen Brown * 1583ee7e38e3SLen Brown * Side effect: 1584ee7e38e3SLen Brown * sets global pkg_cstate_limit to decode MSR_NHM_SNB_PKG_CST_CFG_CTL 1585d7899447SLen Brown */ 1586ee7e38e3SLen Brown int probe_nhm_msrs(unsigned int family, unsigned int model) 1587103a8feaSLen Brown { 1588ee7e38e3SLen Brown unsigned long long msr; 1589ee7e38e3SLen Brown int *pkg_cstate_limits; 1590ee7e38e3SLen Brown 1591103a8feaSLen Brown if (!genuine_intel) 1592103a8feaSLen Brown return 0; 1593103a8feaSLen Brown 1594103a8feaSLen Brown if (family != 6) 1595103a8feaSLen Brown return 0; 1596103a8feaSLen Brown 1597103a8feaSLen Brown switch (model) { 1598103a8feaSLen Brown case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */ 1599103a8feaSLen Brown case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */ 1600103a8feaSLen Brown case 0x1F: /* Core i7 and i5 Processor - Nehalem */ 1601103a8feaSLen Brown case 0x25: /* Westmere Client - Clarkdale, Arrandale */ 1602103a8feaSLen Brown case 0x2C: /* Westmere EP - Gulftown */ 1603ee7e38e3SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 1604ee7e38e3SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 1605ee7e38e3SLen Brown pkg_cstate_limits = nhm_pkg_cstate_limits; 1606ee7e38e3SLen Brown break; 1607103a8feaSLen Brown case 0x2A: /* SNB */ 1608103a8feaSLen Brown case 0x2D: /* SNB Xeon */ 1609553575f1SLen Brown case 0x3A: /* IVB */ 16101300651bSLen Brown case 0x3E: /* IVB Xeon */ 1611ee7e38e3SLen Brown pkg_cstate_limits = snb_pkg_cstate_limits; 1612ee7e38e3SLen Brown break; 161370b43400SLen Brown case 0x3C: /* HSW */ 1614e6f9bb3cSLen Brown case 0x3F: /* HSX */ 161570b43400SLen Brown case 0x45: /* HSW */ 1616149c2319SLen Brown case 0x46: /* HSW */ 16174e8e863fSLen Brown case 0x3D: /* BDW */ 161848a0631cSLen Brown case 0x47: /* BDW */ 16194e8e863fSLen Brown case 0x4F: /* BDX */ 16204e8e863fSLen Brown case 0x56: /* BDX-DE */ 1621ee7e38e3SLen Brown pkg_cstate_limits = hsw_pkg_cstate_limits; 1622ee7e38e3SLen Brown break; 1623ee7e38e3SLen Brown case 0x37: /* BYT */ 1624ee7e38e3SLen Brown case 0x4D: /* AVN */ 1625ee7e38e3SLen Brown pkg_cstate_limits = slv_pkg_cstate_limits; 1626ee7e38e3SLen Brown break; 1627ee7e38e3SLen Brown case 0x4C: /* AMT */ 1628ee7e38e3SLen Brown pkg_cstate_limits = amt_pkg_cstate_limits; 1629ee7e38e3SLen Brown break; 1630ee7e38e3SLen Brown case 0x57: /* PHI */ 1631ee7e38e3SLen Brown pkg_cstate_limits = phi_pkg_cstate_limits; 1632ee7e38e3SLen Brown break; 1633103a8feaSLen Brown default: 1634103a8feaSLen Brown return 0; 1635103a8feaSLen Brown } 1636ee7e38e3SLen Brown get_msr(0, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 1637ee7e38e3SLen Brown 1638ee7e38e3SLen Brown pkg_cstate_limit = pkg_cstate_limits[msr & 0x7]; 1639ee7e38e3SLen Brown 1640ee7e38e3SLen Brown return 1; 1641103a8feaSLen Brown } 1642d7899447SLen Brown int has_nhm_turbo_ratio_limit(unsigned int family, unsigned int model) 1643d7899447SLen Brown { 1644d7899447SLen Brown switch (model) { 1645d7899447SLen Brown /* Nehalem compatible, but do not include turbo-ratio limit support */ 1646d7899447SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 1647d7899447SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 1648d7899447SLen Brown return 0; 1649d7899447SLen Brown default: 1650d7899447SLen Brown return 1; 1651d7899447SLen Brown } 1652d7899447SLen Brown } 16536574a5d5SLen Brown int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model) 16546574a5d5SLen Brown { 16556574a5d5SLen Brown if (!genuine_intel) 16566574a5d5SLen Brown return 0; 16576574a5d5SLen Brown 16586574a5d5SLen Brown if (family != 6) 16596574a5d5SLen Brown return 0; 16606574a5d5SLen Brown 16616574a5d5SLen Brown switch (model) { 16626574a5d5SLen Brown case 0x3E: /* IVB Xeon */ 1663*fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 16646574a5d5SLen Brown return 1; 16656574a5d5SLen Brown default: 16666574a5d5SLen Brown return 0; 16676574a5d5SLen Brown } 16686574a5d5SLen Brown } 1669*fcd17211SLen Brown int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model) 1670*fcd17211SLen Brown { 1671*fcd17211SLen Brown if (!genuine_intel) 1672*fcd17211SLen Brown return 0; 1673*fcd17211SLen Brown 1674*fcd17211SLen Brown if (family != 6) 1675*fcd17211SLen Brown return 0; 1676*fcd17211SLen Brown 1677*fcd17211SLen Brown switch (model) { 1678*fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 1679*fcd17211SLen Brown return 1; 1680*fcd17211SLen Brown default: 1681*fcd17211SLen Brown return 0; 1682*fcd17211SLen Brown } 1683*fcd17211SLen Brown } 1684*fcd17211SLen Brown 1685*fcd17211SLen Brown static void 1686*fcd17211SLen Brown dump_cstate_pstate_config_info(family, model) 1687*fcd17211SLen Brown { 1688*fcd17211SLen Brown if (!do_nhm_platform_info) 1689*fcd17211SLen Brown return; 1690*fcd17211SLen Brown 1691*fcd17211SLen Brown dump_nhm_platform_info(); 1692*fcd17211SLen Brown 1693*fcd17211SLen Brown if (has_hsw_turbo_ratio_limit(family, model)) 1694*fcd17211SLen Brown dump_hsw_turbo_ratio_limits(); 1695*fcd17211SLen Brown 1696*fcd17211SLen Brown if (has_ivt_turbo_ratio_limit(family, model)) 1697*fcd17211SLen Brown dump_ivt_turbo_ratio_limits(); 1698*fcd17211SLen Brown 1699*fcd17211SLen Brown if (has_nhm_turbo_ratio_limit(family, model)) 1700*fcd17211SLen Brown dump_nhm_turbo_ratio_limits(); 1701*fcd17211SLen Brown 1702*fcd17211SLen Brown dump_nhm_cst_cfg(); 1703*fcd17211SLen Brown } 1704*fcd17211SLen Brown 17056574a5d5SLen Brown 1706889facbeSLen Brown /* 1707889facbeSLen Brown * print_epb() 1708889facbeSLen Brown * Decode the ENERGY_PERF_BIAS MSR 1709889facbeSLen Brown */ 1710889facbeSLen Brown int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1711889facbeSLen Brown { 1712889facbeSLen Brown unsigned long long msr; 1713889facbeSLen Brown char *epb_string; 1714889facbeSLen Brown int cpu; 1715889facbeSLen Brown 1716889facbeSLen Brown if (!has_epb) 1717889facbeSLen Brown return 0; 1718889facbeSLen Brown 1719889facbeSLen Brown cpu = t->cpu_id; 1720889facbeSLen Brown 1721889facbeSLen Brown /* EPB is per-package */ 1722889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 1723889facbeSLen Brown return 0; 1724889facbeSLen Brown 1725889facbeSLen Brown if (cpu_migrate(cpu)) { 1726889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 1727889facbeSLen Brown return -1; 1728889facbeSLen Brown } 1729889facbeSLen Brown 1730889facbeSLen Brown if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr)) 1731889facbeSLen Brown return 0; 1732889facbeSLen Brown 1733889facbeSLen Brown switch (msr & 0x7) { 1734889facbeSLen Brown case ENERGY_PERF_BIAS_PERFORMANCE: 1735889facbeSLen Brown epb_string = "performance"; 1736889facbeSLen Brown break; 1737889facbeSLen Brown case ENERGY_PERF_BIAS_NORMAL: 1738889facbeSLen Brown epb_string = "balanced"; 1739889facbeSLen Brown break; 1740889facbeSLen Brown case ENERGY_PERF_BIAS_POWERSAVE: 1741889facbeSLen Brown epb_string = "powersave"; 1742889facbeSLen Brown break; 1743889facbeSLen Brown default: 1744889facbeSLen Brown epb_string = "custom"; 1745889facbeSLen Brown break; 1746889facbeSLen Brown } 1747889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string); 1748889facbeSLen Brown 1749889facbeSLen Brown return 0; 1750889facbeSLen Brown } 1751889facbeSLen Brown 17523a9a941dSLen Brown /* 17533a9a941dSLen Brown * print_perf_limit() 17543a9a941dSLen Brown */ 17553a9a941dSLen Brown int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p) 17563a9a941dSLen Brown { 17573a9a941dSLen Brown unsigned long long msr; 17583a9a941dSLen Brown int cpu; 17593a9a941dSLen Brown 17603a9a941dSLen Brown cpu = t->cpu_id; 17613a9a941dSLen Brown 17623a9a941dSLen Brown /* per-package */ 17633a9a941dSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 17643a9a941dSLen Brown return 0; 17653a9a941dSLen Brown 17663a9a941dSLen Brown if (cpu_migrate(cpu)) { 17673a9a941dSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 17683a9a941dSLen Brown return -1; 17693a9a941dSLen Brown } 17703a9a941dSLen Brown 17713a9a941dSLen Brown if (do_core_perf_limit_reasons) { 17723a9a941dSLen Brown get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr); 17733a9a941dSLen Brown fprintf(stderr, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 17743a9a941dSLen Brown fprintf(stderr, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)", 1775e33cbe85SLen Brown (msr & 1 << 15) ? "bit15, " : "", 17763a9a941dSLen Brown (msr & 1 << 14) ? "bit14, " : "", 1777e33cbe85SLen Brown (msr & 1 << 13) ? "Transitions, " : "", 1778e33cbe85SLen Brown (msr & 1 << 12) ? "MultiCoreTurbo, " : "", 1779e33cbe85SLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : "", 1780e33cbe85SLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 1781e33cbe85SLen Brown (msr & 1 << 9) ? "CorePwr, " : "", 1782e33cbe85SLen Brown (msr & 1 << 8) ? "Amps, " : "", 1783e33cbe85SLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 1784e33cbe85SLen Brown (msr & 1 << 5) ? "Auto-HWP, " : "", 1785e33cbe85SLen Brown (msr & 1 << 4) ? "Graphics, " : "", 1786e33cbe85SLen Brown (msr & 1 << 2) ? "bit2, " : "", 1787e33cbe85SLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 1788e33cbe85SLen Brown (msr & 1 << 0) ? "PROCHOT, " : ""); 17893a9a941dSLen Brown fprintf(stderr, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n", 1790e33cbe85SLen Brown (msr & 1 << 31) ? "bit31, " : "", 17913a9a941dSLen Brown (msr & 1 << 30) ? "bit30, " : "", 1792e33cbe85SLen Brown (msr & 1 << 29) ? "Transitions, " : "", 1793e33cbe85SLen Brown (msr & 1 << 28) ? "MultiCoreTurbo, " : "", 1794e33cbe85SLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : "", 1795e33cbe85SLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 1796e33cbe85SLen Brown (msr & 1 << 25) ? "CorePwr, " : "", 1797e33cbe85SLen Brown (msr & 1 << 24) ? "Amps, " : "", 1798e33cbe85SLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 1799e33cbe85SLen Brown (msr & 1 << 21) ? "Auto-HWP, " : "", 1800e33cbe85SLen Brown (msr & 1 << 20) ? "Graphics, " : "", 1801e33cbe85SLen Brown (msr & 1 << 18) ? "bit18, " : "", 1802e33cbe85SLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 1803e33cbe85SLen Brown (msr & 1 << 16) ? "PROCHOT, " : ""); 18043a9a941dSLen Brown 18053a9a941dSLen Brown } 18063a9a941dSLen Brown if (do_gfx_perf_limit_reasons) { 18073a9a941dSLen Brown get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr); 18083a9a941dSLen Brown fprintf(stderr, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 18093a9a941dSLen Brown fprintf(stderr, " (Active: %s%s%s%s%s%s%s%s)", 18103a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 18113a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 18123a9a941dSLen Brown (msr & 1 << 4) ? "Graphics, " : "", 18133a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 18143a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 18153a9a941dSLen Brown (msr & 1 << 9) ? "GFXPwr, " : "", 18163a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 18173a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 18183a9a941dSLen Brown fprintf(stderr, " (Logged: %s%s%s%s%s%s%s%s)\n", 18193a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 18203a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 18213a9a941dSLen Brown (msr & 1 << 20) ? "Graphics, " : "", 18223a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 18233a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 18243a9a941dSLen Brown (msr & 1 << 25) ? "GFXPwr, " : "", 18253a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 18263a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 18273a9a941dSLen Brown } 18283a9a941dSLen Brown if (do_ring_perf_limit_reasons) { 18293a9a941dSLen Brown get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr); 18303a9a941dSLen Brown fprintf(stderr, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 18313a9a941dSLen Brown fprintf(stderr, " (Active: %s%s%s%s%s%s)", 18323a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 18333a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 18343a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 18353a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 18363a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 18373a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 18383a9a941dSLen Brown fprintf(stderr, " (Logged: %s%s%s%s%s%s)\n", 18393a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 18403a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 18413a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 18423a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 18433a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 18443a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 18453a9a941dSLen Brown } 18463a9a941dSLen Brown return 0; 18473a9a941dSLen Brown } 18483a9a941dSLen Brown 1849889facbeSLen Brown #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */ 1850889facbeSLen Brown #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */ 1851889facbeSLen Brown 1852144b44b1SLen Brown double get_tdp(model) 1853144b44b1SLen Brown { 1854144b44b1SLen Brown unsigned long long msr; 1855144b44b1SLen Brown 1856144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) 1857144b44b1SLen Brown if (!get_msr(0, MSR_PKG_POWER_INFO, &msr)) 1858144b44b1SLen Brown return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units; 1859144b44b1SLen Brown 1860144b44b1SLen Brown switch (model) { 1861144b44b1SLen Brown case 0x37: 1862144b44b1SLen Brown case 0x4D: 1863144b44b1SLen Brown return 30.0; 1864144b44b1SLen Brown default: 1865144b44b1SLen Brown return 135.0; 1866144b44b1SLen Brown } 1867144b44b1SLen Brown } 1868144b44b1SLen Brown 1869144b44b1SLen Brown 1870889facbeSLen Brown /* 1871889facbeSLen Brown * rapl_probe() 1872889facbeSLen Brown * 1873144b44b1SLen Brown * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units 1874889facbeSLen Brown */ 1875889facbeSLen Brown void rapl_probe(unsigned int family, unsigned int model) 1876889facbeSLen Brown { 1877889facbeSLen Brown unsigned long long msr; 1878144b44b1SLen Brown unsigned int time_unit; 1879889facbeSLen Brown double tdp; 1880889facbeSLen Brown 1881889facbeSLen Brown if (!genuine_intel) 1882889facbeSLen Brown return; 1883889facbeSLen Brown 1884889facbeSLen Brown if (family != 6) 1885889facbeSLen Brown return; 1886889facbeSLen Brown 1887889facbeSLen Brown switch (model) { 1888889facbeSLen Brown case 0x2A: 1889889facbeSLen Brown case 0x3A: 189070b43400SLen Brown case 0x3C: /* HSW */ 189170b43400SLen Brown case 0x45: /* HSW */ 1892149c2319SLen Brown case 0x46: /* HSW */ 18934e8e863fSLen Brown case 0x3D: /* BDW */ 189448a0631cSLen Brown case 0x47: /* BDW */ 1895144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO; 1896889facbeSLen Brown break; 1897e6f9bb3cSLen Brown case 0x3F: /* HSX */ 18984e8e863fSLen Brown case 0x4F: /* BDX */ 18994e8e863fSLen Brown case 0x56: /* BDX-DE */ 1900e6f9bb3cSLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 1901e6f9bb3cSLen Brown break; 1902889facbeSLen Brown case 0x2D: 1903889facbeSLen Brown case 0x3E: 1904144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO; 1905144b44b1SLen Brown break; 1906144b44b1SLen Brown case 0x37: /* BYT */ 1907144b44b1SLen Brown case 0x4D: /* AVN */ 1908144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES ; 1909889facbeSLen Brown break; 1910889facbeSLen Brown default: 1911889facbeSLen Brown return; 1912889facbeSLen Brown } 1913889facbeSLen Brown 1914889facbeSLen Brown /* units on package 0, verify later other packages match */ 1915889facbeSLen Brown if (get_msr(0, MSR_RAPL_POWER_UNIT, &msr)) 1916889facbeSLen Brown return; 1917889facbeSLen Brown 1918889facbeSLen Brown rapl_power_units = 1.0 / (1 << (msr & 0xF)); 1919144b44b1SLen Brown if (model == 0x37) 1920144b44b1SLen Brown rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000; 1921144b44b1SLen Brown else 1922889facbeSLen Brown rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F)); 1923889facbeSLen Brown 1924144b44b1SLen Brown time_unit = msr >> 16 & 0xF; 1925144b44b1SLen Brown if (time_unit == 0) 1926144b44b1SLen Brown time_unit = 0xA; 1927889facbeSLen Brown 1928144b44b1SLen Brown rapl_time_units = 1.0 / (1 << (time_unit)); 1929144b44b1SLen Brown 1930144b44b1SLen Brown tdp = get_tdp(model); 1931889facbeSLen Brown 1932889facbeSLen Brown rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp; 1933d8af6f5fSLen Brown if (debug) 1934144b44b1SLen Brown fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp); 1935889facbeSLen Brown 1936889facbeSLen Brown return; 1937889facbeSLen Brown } 1938889facbeSLen Brown 19393a9a941dSLen Brown void perf_limit_reasons_probe(family, model) 19403a9a941dSLen Brown { 19413a9a941dSLen Brown if (!genuine_intel) 19423a9a941dSLen Brown return; 19433a9a941dSLen Brown 19443a9a941dSLen Brown if (family != 6) 19453a9a941dSLen Brown return; 19463a9a941dSLen Brown 19473a9a941dSLen Brown switch (model) { 19483a9a941dSLen Brown case 0x3C: /* HSW */ 19493a9a941dSLen Brown case 0x45: /* HSW */ 19503a9a941dSLen Brown case 0x46: /* HSW */ 19513a9a941dSLen Brown do_gfx_perf_limit_reasons = 1; 19523a9a941dSLen Brown case 0x3F: /* HSX */ 19533a9a941dSLen Brown do_core_perf_limit_reasons = 1; 19543a9a941dSLen Brown do_ring_perf_limit_reasons = 1; 19553a9a941dSLen Brown default: 19563a9a941dSLen Brown return; 19573a9a941dSLen Brown } 19583a9a941dSLen Brown } 19593a9a941dSLen Brown 1960889facbeSLen Brown int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1961889facbeSLen Brown { 1962889facbeSLen Brown unsigned long long msr; 1963889facbeSLen Brown unsigned int dts; 1964889facbeSLen Brown int cpu; 1965889facbeSLen Brown 1966889facbeSLen Brown if (!(do_dts || do_ptm)) 1967889facbeSLen Brown return 0; 1968889facbeSLen Brown 1969889facbeSLen Brown cpu = t->cpu_id; 1970889facbeSLen Brown 1971889facbeSLen Brown /* DTS is per-core, no need to print for each thread */ 1972889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 1973889facbeSLen Brown return 0; 1974889facbeSLen Brown 1975889facbeSLen Brown if (cpu_migrate(cpu)) { 1976889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 1977889facbeSLen Brown return -1; 1978889facbeSLen Brown } 1979889facbeSLen Brown 1980889facbeSLen Brown if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) { 1981889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 1982889facbeSLen Brown return 0; 1983889facbeSLen Brown 1984889facbeSLen Brown dts = (msr >> 16) & 0x7F; 1985889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", 1986889facbeSLen Brown cpu, msr, tcc_activation_temp - dts); 1987889facbeSLen Brown 1988889facbeSLen Brown #ifdef THERM_DEBUG 1989889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr)) 1990889facbeSLen Brown return 0; 1991889facbeSLen Brown 1992889facbeSLen Brown dts = (msr >> 16) & 0x7F; 1993889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 1994889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 1995889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 1996889facbeSLen Brown #endif 1997889facbeSLen Brown } 1998889facbeSLen Brown 1999889facbeSLen Brown 2000889facbeSLen Brown if (do_dts) { 2001889facbeSLen Brown unsigned int resolution; 2002889facbeSLen Brown 2003889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 2004889facbeSLen Brown return 0; 2005889facbeSLen Brown 2006889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2007889facbeSLen Brown resolution = (msr >> 27) & 0xF; 2008889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n", 2009889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, resolution); 2010889facbeSLen Brown 2011889facbeSLen Brown #ifdef THERM_DEBUG 2012889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr)) 2013889facbeSLen Brown return 0; 2014889facbeSLen Brown 2015889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2016889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2017889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2018889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2019889facbeSLen Brown #endif 2020889facbeSLen Brown } 2021889facbeSLen Brown 2022889facbeSLen Brown return 0; 2023889facbeSLen Brown } 2024889facbeSLen Brown 2025889facbeSLen Brown void print_power_limit_msr(int cpu, unsigned long long msr, char *label) 2026889facbeSLen Brown { 2027889facbeSLen Brown fprintf(stderr, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n", 2028889facbeSLen Brown cpu, label, 2029889facbeSLen Brown ((msr >> 15) & 1) ? "EN" : "DIS", 2030889facbeSLen Brown ((msr >> 0) & 0x7FFF) * rapl_power_units, 2031889facbeSLen Brown (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units, 2032889facbeSLen Brown (((msr >> 16) & 1) ? "EN" : "DIS")); 2033889facbeSLen Brown 2034889facbeSLen Brown return; 2035889facbeSLen Brown } 2036889facbeSLen Brown 2037889facbeSLen Brown int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2038889facbeSLen Brown { 2039889facbeSLen Brown unsigned long long msr; 2040889facbeSLen Brown int cpu; 2041889facbeSLen Brown 2042889facbeSLen Brown if (!do_rapl) 2043889facbeSLen Brown return 0; 2044889facbeSLen Brown 2045889facbeSLen Brown /* RAPL counters are per package, so print only for 1st thread/package */ 2046889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2047889facbeSLen Brown return 0; 2048889facbeSLen Brown 2049889facbeSLen Brown cpu = t->cpu_id; 2050889facbeSLen Brown if (cpu_migrate(cpu)) { 2051889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 2052889facbeSLen Brown return -1; 2053889facbeSLen Brown } 2054889facbeSLen Brown 2055889facbeSLen Brown if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr)) 2056889facbeSLen Brown return -1; 2057889facbeSLen Brown 2058d8af6f5fSLen Brown if (debug) { 2059889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx " 2060889facbeSLen Brown "(%f Watts, %f Joules, %f sec.)\n", cpu, msr, 2061144b44b1SLen Brown rapl_power_units, rapl_energy_units, rapl_time_units); 2062889facbeSLen Brown } 2063144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) { 2064144b44b1SLen Brown 2065889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr)) 2066889facbeSLen Brown return -5; 2067889facbeSLen Brown 2068889facbeSLen Brown 2069889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2070889facbeSLen Brown cpu, msr, 2071889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2072889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2073889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2074889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 2075889facbeSLen Brown 2076144b44b1SLen Brown } 2077144b44b1SLen Brown if (do_rapl & RAPL_PKG) { 2078144b44b1SLen Brown 2079889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr)) 2080889facbeSLen Brown return -9; 2081889facbeSLen Brown 2082889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n", 2083889facbeSLen Brown cpu, msr, (msr >> 63) & 1 ? "": "UN"); 2084889facbeSLen Brown 2085889facbeSLen Brown print_power_limit_msr(cpu, msr, "PKG Limit #1"); 2086889facbeSLen Brown fprintf(stderr, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n", 2087889facbeSLen Brown cpu, 2088889facbeSLen Brown ((msr >> 47) & 1) ? "EN" : "DIS", 2089889facbeSLen Brown ((msr >> 32) & 0x7FFF) * rapl_power_units, 2090889facbeSLen Brown (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units, 2091889facbeSLen Brown ((msr >> 48) & 1) ? "EN" : "DIS"); 2092889facbeSLen Brown } 2093889facbeSLen Brown 2094889facbeSLen Brown if (do_rapl & RAPL_DRAM) { 2095889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr)) 2096889facbeSLen Brown return -6; 2097889facbeSLen Brown 2098889facbeSLen Brown 2099889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2100889facbeSLen Brown cpu, msr, 2101889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2102889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2103889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2104889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 2105889facbeSLen Brown 2106889facbeSLen Brown 2107889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr)) 2108889facbeSLen Brown return -9; 2109889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n", 2110889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2111889facbeSLen Brown 2112889facbeSLen Brown print_power_limit_msr(cpu, msr, "DRAM Limit"); 2113889facbeSLen Brown } 2114144b44b1SLen Brown if (do_rapl & RAPL_CORE_POLICY) { 2115d8af6f5fSLen Brown if (debug) { 2116889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POLICY, &msr)) 2117889facbeSLen Brown return -7; 2118889facbeSLen Brown 2119889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF); 2120144b44b1SLen Brown } 2121144b44b1SLen Brown } 2122144b44b1SLen Brown if (do_rapl & RAPL_CORES) { 2123d8af6f5fSLen Brown if (debug) { 2124889facbeSLen Brown 2125889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr)) 2126889facbeSLen Brown return -9; 2127889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n", 2128889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2129889facbeSLen Brown print_power_limit_msr(cpu, msr, "Cores Limit"); 2130889facbeSLen Brown } 2131889facbeSLen Brown } 2132889facbeSLen Brown if (do_rapl & RAPL_GFX) { 2133d8af6f5fSLen Brown if (debug) { 2134889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POLICY, &msr)) 2135889facbeSLen Brown return -8; 2136889facbeSLen Brown 2137889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF); 2138889facbeSLen Brown 2139889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr)) 2140889facbeSLen Brown return -9; 2141889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n", 2142889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2143889facbeSLen Brown print_power_limit_msr(cpu, msr, "GFX Limit"); 2144889facbeSLen Brown } 2145889facbeSLen Brown } 2146889facbeSLen Brown return 0; 2147889facbeSLen Brown } 2148889facbeSLen Brown 2149d7899447SLen Brown /* 2150d7899447SLen Brown * SNB adds support for additional MSRs: 2151d7899447SLen Brown * 2152d7899447SLen Brown * MSR_PKG_C7_RESIDENCY 0x000003fa 2153d7899447SLen Brown * MSR_CORE_C7_RESIDENCY 0x000003fe 2154d7899447SLen Brown * MSR_PKG_C2_RESIDENCY 0x0000060d 2155d7899447SLen Brown */ 2156103a8feaSLen Brown 2157d7899447SLen Brown int has_snb_msrs(unsigned int family, unsigned int model) 2158103a8feaSLen Brown { 2159103a8feaSLen Brown if (!genuine_intel) 2160103a8feaSLen Brown return 0; 2161103a8feaSLen Brown 2162103a8feaSLen Brown switch (model) { 2163103a8feaSLen Brown case 0x2A: 2164103a8feaSLen Brown case 0x2D: 2165650a37f3SLen Brown case 0x3A: /* IVB */ 21661300651bSLen Brown case 0x3E: /* IVB Xeon */ 216770b43400SLen Brown case 0x3C: /* HSW */ 216870b43400SLen Brown case 0x3F: /* HSW */ 216970b43400SLen Brown case 0x45: /* HSW */ 2170149c2319SLen Brown case 0x46: /* HSW */ 21714e8e863fSLen Brown case 0x3D: /* BDW */ 217248a0631cSLen Brown case 0x47: /* BDW */ 21734e8e863fSLen Brown case 0x4F: /* BDX */ 21744e8e863fSLen Brown case 0x56: /* BDX-DE */ 2175103a8feaSLen Brown return 1; 2176103a8feaSLen Brown } 2177103a8feaSLen Brown return 0; 2178103a8feaSLen Brown } 2179103a8feaSLen Brown 2180d7899447SLen Brown /* 2181d7899447SLen Brown * HSW adds support for additional MSRs: 2182d7899447SLen Brown * 2183d7899447SLen Brown * MSR_PKG_C8_RESIDENCY 0x00000630 2184d7899447SLen Brown * MSR_PKG_C9_RESIDENCY 0x00000631 2185d7899447SLen Brown * MSR_PKG_C10_RESIDENCY 0x00000632 2186d7899447SLen Brown */ 2187d7899447SLen Brown int has_hsw_msrs(unsigned int family, unsigned int model) 2188ca58710fSKristen Carlson Accardi { 2189ca58710fSKristen Carlson Accardi if (!genuine_intel) 2190ca58710fSKristen Carlson Accardi return 0; 2191ca58710fSKristen Carlson Accardi 2192ca58710fSKristen Carlson Accardi switch (model) { 21934e8e863fSLen Brown case 0x45: /* HSW */ 21944e8e863fSLen Brown case 0x3D: /* BDW */ 2195ca58710fSKristen Carlson Accardi return 1; 2196ca58710fSKristen Carlson Accardi } 2197ca58710fSKristen Carlson Accardi return 0; 2198ca58710fSKristen Carlson Accardi } 2199ca58710fSKristen Carlson Accardi 2200ca58710fSKristen Carlson Accardi 2201144b44b1SLen Brown int is_slm(unsigned int family, unsigned int model) 2202144b44b1SLen Brown { 2203144b44b1SLen Brown if (!genuine_intel) 2204144b44b1SLen Brown return 0; 2205144b44b1SLen Brown switch (model) { 2206144b44b1SLen Brown case 0x37: /* BYT */ 2207144b44b1SLen Brown case 0x4D: /* AVN */ 2208144b44b1SLen Brown return 1; 2209144b44b1SLen Brown } 2210144b44b1SLen Brown return 0; 2211144b44b1SLen Brown } 2212144b44b1SLen Brown 2213144b44b1SLen Brown #define SLM_BCLK_FREQS 5 2214144b44b1SLen Brown double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0}; 2215144b44b1SLen Brown 2216144b44b1SLen Brown double slm_bclk(void) 2217144b44b1SLen Brown { 2218144b44b1SLen Brown unsigned long long msr = 3; 2219144b44b1SLen Brown unsigned int i; 2220144b44b1SLen Brown double freq; 2221144b44b1SLen Brown 2222144b44b1SLen Brown if (get_msr(0, MSR_FSB_FREQ, &msr)) 2223144b44b1SLen Brown fprintf(stderr, "SLM BCLK: unknown\n"); 2224144b44b1SLen Brown 2225144b44b1SLen Brown i = msr & 0xf; 2226144b44b1SLen Brown if (i >= SLM_BCLK_FREQS) { 2227144b44b1SLen Brown fprintf(stderr, "SLM BCLK[%d] invalid\n", i); 2228144b44b1SLen Brown msr = 3; 2229144b44b1SLen Brown } 2230144b44b1SLen Brown freq = slm_freq_table[i]; 2231144b44b1SLen Brown 2232144b44b1SLen Brown fprintf(stderr, "SLM BCLK: %.1f Mhz\n", freq); 2233144b44b1SLen Brown 2234144b44b1SLen Brown return freq; 2235144b44b1SLen Brown } 2236144b44b1SLen Brown 2237103a8feaSLen Brown double discover_bclk(unsigned int family, unsigned int model) 2238103a8feaSLen Brown { 2239d7899447SLen Brown if (has_snb_msrs(family, model)) 2240103a8feaSLen Brown return 100.00; 2241144b44b1SLen Brown else if (is_slm(family, model)) 2242144b44b1SLen Brown return slm_bclk(); 2243103a8feaSLen Brown else 2244103a8feaSLen Brown return 133.33; 2245103a8feaSLen Brown } 2246103a8feaSLen Brown 2247889facbeSLen Brown /* 2248889facbeSLen Brown * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where 2249889facbeSLen Brown * the Thermal Control Circuit (TCC) activates. 2250889facbeSLen Brown * This is usually equal to tjMax. 2251889facbeSLen Brown * 2252889facbeSLen Brown * Older processors do not have this MSR, so there we guess, 2253889facbeSLen Brown * but also allow cmdline over-ride with -T. 2254889facbeSLen Brown * 2255889facbeSLen Brown * Several MSR temperature values are in units of degrees-C 2256889facbeSLen Brown * below this value, including the Digital Thermal Sensor (DTS), 2257889facbeSLen Brown * Package Thermal Management Sensor (PTM), and thermal event thresholds. 2258889facbeSLen Brown */ 2259889facbeSLen Brown int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2260889facbeSLen Brown { 2261889facbeSLen Brown unsigned long long msr; 2262889facbeSLen Brown unsigned int target_c_local; 2263889facbeSLen Brown int cpu; 2264889facbeSLen Brown 2265889facbeSLen Brown /* tcc_activation_temp is used only for dts or ptm */ 2266889facbeSLen Brown if (!(do_dts || do_ptm)) 2267889facbeSLen Brown return 0; 2268889facbeSLen Brown 2269889facbeSLen Brown /* this is a per-package concept */ 2270889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2271889facbeSLen Brown return 0; 2272889facbeSLen Brown 2273889facbeSLen Brown cpu = t->cpu_id; 2274889facbeSLen Brown if (cpu_migrate(cpu)) { 2275889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 2276889facbeSLen Brown return -1; 2277889facbeSLen Brown } 2278889facbeSLen Brown 2279889facbeSLen Brown if (tcc_activation_temp_override != 0) { 2280889facbeSLen Brown tcc_activation_temp = tcc_activation_temp_override; 2281889facbeSLen Brown fprintf(stderr, "cpu%d: Using cmdline TCC Target (%d C)\n", 2282889facbeSLen Brown cpu, tcc_activation_temp); 2283889facbeSLen Brown return 0; 2284889facbeSLen Brown } 2285889facbeSLen Brown 2286889facbeSLen Brown /* Temperature Target MSR is Nehalem and newer only */ 2287d7899447SLen Brown if (!do_nhm_platform_info) 2288889facbeSLen Brown goto guess; 2289889facbeSLen Brown 2290889facbeSLen Brown if (get_msr(0, MSR_IA32_TEMPERATURE_TARGET, &msr)) 2291889facbeSLen Brown goto guess; 2292889facbeSLen Brown 22933482124aSJean Delvare target_c_local = (msr >> 16) & 0xFF; 2294889facbeSLen Brown 2295d8af6f5fSLen Brown if (debug) 2296889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", 2297889facbeSLen Brown cpu, msr, target_c_local); 2298889facbeSLen Brown 22993482124aSJean Delvare if (!target_c_local) 2300889facbeSLen Brown goto guess; 2301889facbeSLen Brown 2302889facbeSLen Brown tcc_activation_temp = target_c_local; 2303889facbeSLen Brown 2304889facbeSLen Brown return 0; 2305889facbeSLen Brown 2306889facbeSLen Brown guess: 2307889facbeSLen Brown tcc_activation_temp = TJMAX_DEFAULT; 2308889facbeSLen Brown fprintf(stderr, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n", 2309889facbeSLen Brown cpu, tcc_activation_temp); 2310889facbeSLen Brown 2311889facbeSLen Brown return 0; 2312889facbeSLen Brown } 2313*fcd17211SLen Brown void process_cpuid() 2314103a8feaSLen Brown { 2315103a8feaSLen Brown unsigned int eax, ebx, ecx, edx, max_level; 2316103a8feaSLen Brown unsigned int fms, family, model, stepping; 2317103a8feaSLen Brown 2318103a8feaSLen Brown eax = ebx = ecx = edx = 0; 2319103a8feaSLen Brown 23202b92865eSJosh Triplett __get_cpuid(0, &max_level, &ebx, &ecx, &edx); 2321103a8feaSLen Brown 2322103a8feaSLen Brown if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e) 2323103a8feaSLen Brown genuine_intel = 1; 2324103a8feaSLen Brown 2325d8af6f5fSLen Brown if (debug) 2326889facbeSLen Brown fprintf(stderr, "CPUID(0): %.4s%.4s%.4s ", 2327103a8feaSLen Brown (char *)&ebx, (char *)&edx, (char *)&ecx); 2328103a8feaSLen Brown 23292b92865eSJosh Triplett __get_cpuid(1, &fms, &ebx, &ecx, &edx); 2330103a8feaSLen Brown family = (fms >> 8) & 0xf; 2331103a8feaSLen Brown model = (fms >> 4) & 0xf; 2332103a8feaSLen Brown stepping = fms & 0xf; 2333103a8feaSLen Brown if (family == 6 || family == 0xf) 2334103a8feaSLen Brown model += ((fms >> 16) & 0xf) << 4; 2335103a8feaSLen Brown 2336d8af6f5fSLen Brown if (debug) 2337103a8feaSLen Brown fprintf(stderr, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n", 2338103a8feaSLen Brown max_level, family, model, stepping, family, model, stepping); 2339103a8feaSLen Brown 2340b2c95d90SJosh Triplett if (!(edx & (1 << 5))) 2341b2c95d90SJosh Triplett errx(1, "CPUID: no MSR"); 2342103a8feaSLen Brown 2343103a8feaSLen Brown /* 2344103a8feaSLen Brown * check max extended function levels of CPUID. 2345103a8feaSLen Brown * This is needed to check for invariant TSC. 2346103a8feaSLen Brown * This check is valid for both Intel and AMD. 2347103a8feaSLen Brown */ 2348103a8feaSLen Brown ebx = ecx = edx = 0; 23492b92865eSJosh Triplett __get_cpuid(0x80000000, &max_level, &ebx, &ecx, &edx); 2350103a8feaSLen Brown 2351d7899447SLen Brown if (max_level >= 0x80000007) { 2352103a8feaSLen Brown 2353103a8feaSLen Brown /* 2354103a8feaSLen Brown * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8 2355103a8feaSLen Brown * this check is valid for both Intel and AMD 2356103a8feaSLen Brown */ 23572b92865eSJosh Triplett __get_cpuid(0x80000007, &eax, &ebx, &ecx, &edx); 23588209e054SThomas Renninger has_invariant_tsc = edx & (1 << 8); 2359d7899447SLen Brown } 2360103a8feaSLen Brown 2361103a8feaSLen Brown /* 2362103a8feaSLen Brown * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0 2363103a8feaSLen Brown * this check is valid for both Intel and AMD 2364103a8feaSLen Brown */ 2365103a8feaSLen Brown 23662b92865eSJosh Triplett __get_cpuid(0x6, &eax, &ebx, &ecx, &edx); 23678209e054SThomas Renninger has_aperf = ecx & (1 << 0); 2368889facbeSLen Brown do_dts = eax & (1 << 0); 2369889facbeSLen Brown do_ptm = eax & (1 << 6); 2370889facbeSLen Brown has_epb = ecx & (1 << 3); 2371889facbeSLen Brown 2372d8af6f5fSLen Brown if (debug) 2373a729617cSLen Brown fprintf(stderr, "CPUID(6): %sAPERF, %sDTS, %sPTM, %sEPB\n", 2374a729617cSLen Brown has_aperf ? "" : "No ", 2375a729617cSLen Brown do_dts ? "" : "No ", 2376a729617cSLen Brown do_ptm ? "" : "No ", 2377a729617cSLen Brown has_epb ? "" : "No "); 2378103a8feaSLen Brown 2379ee7e38e3SLen Brown do_nhm_platform_info = do_nhm_cstates = do_smi = probe_nhm_msrs(family, model); 2380d7899447SLen Brown do_snb_cstates = has_snb_msrs(family, model); 2381ee7e38e3SLen Brown do_pc2 = do_snb_cstates && (pkg_cstate_limit >= PCL__2); 2382ee7e38e3SLen Brown do_pc3 = (pkg_cstate_limit >= PCL__3); 2383ee7e38e3SLen Brown do_pc6 = (pkg_cstate_limit >= PCL__6); 2384ee7e38e3SLen Brown do_pc7 = do_snb_cstates && (pkg_cstate_limit >= PCL__7); 2385d7899447SLen Brown do_c8_c9_c10 = has_hsw_msrs(family, model); 2386144b44b1SLen Brown do_slm_cstates = is_slm(family, model); 2387103a8feaSLen Brown bclk = discover_bclk(family, model); 2388103a8feaSLen Brown 2389889facbeSLen Brown rapl_probe(family, model); 23903a9a941dSLen Brown perf_limit_reasons_probe(family, model); 2391889facbeSLen Brown 2392*fcd17211SLen Brown if (debug) 2393*fcd17211SLen Brown dump_cstate_pstate_config_info(); 2394*fcd17211SLen Brown 2395889facbeSLen Brown return; 2396103a8feaSLen Brown } 2397103a8feaSLen Brown 2398d8af6f5fSLen Brown void help() 2399103a8feaSLen Brown { 2400d8af6f5fSLen Brown fprintf(stderr, 2401d8af6f5fSLen Brown "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n" 2402d8af6f5fSLen Brown "\n" 2403d8af6f5fSLen Brown "Turbostat forks the specified COMMAND and prints statistics\n" 2404d8af6f5fSLen Brown "when COMMAND completes.\n" 2405d8af6f5fSLen Brown "If no COMMAND is specified, turbostat wakes every 5-seconds\n" 2406d8af6f5fSLen Brown "to print statistics, until interrupted.\n" 2407d8af6f5fSLen Brown "--debug run in \"debug\" mode\n" 2408d8af6f5fSLen Brown "--interval sec Override default 5-second measurement interval\n" 2409d8af6f5fSLen Brown "--help print this help message\n" 2410d8af6f5fSLen Brown "--counter msr print 32-bit counter at address \"msr\"\n" 2411d8af6f5fSLen Brown "--Counter msr print 64-bit Counter at address \"msr\"\n" 2412d8af6f5fSLen Brown "--msr msr print 32-bit value at address \"msr\"\n" 2413d8af6f5fSLen Brown "--MSR msr print 64-bit Value at address \"msr\"\n" 2414d8af6f5fSLen Brown "--version print version information\n" 2415d8af6f5fSLen Brown "\n" 2416d8af6f5fSLen Brown "For more help, run \"man turbostat\"\n"); 2417103a8feaSLen Brown } 2418103a8feaSLen Brown 2419103a8feaSLen Brown 2420103a8feaSLen Brown /* 2421103a8feaSLen Brown * in /dev/cpu/ return success for names that are numbers 2422103a8feaSLen Brown * ie. filter out ".", "..", "microcode". 2423103a8feaSLen Brown */ 2424103a8feaSLen Brown int dir_filter(const struct dirent *dirp) 2425103a8feaSLen Brown { 2426103a8feaSLen Brown if (isdigit(dirp->d_name[0])) 2427103a8feaSLen Brown return 1; 2428103a8feaSLen Brown else 2429103a8feaSLen Brown return 0; 2430103a8feaSLen Brown } 2431103a8feaSLen Brown 2432103a8feaSLen Brown int open_dev_cpu_msr(int dummy1) 2433103a8feaSLen Brown { 2434103a8feaSLen Brown return 0; 2435103a8feaSLen Brown } 2436103a8feaSLen Brown 2437c98d5d94SLen Brown void topology_probe() 2438c98d5d94SLen Brown { 2439c98d5d94SLen Brown int i; 2440c98d5d94SLen Brown int max_core_id = 0; 2441c98d5d94SLen Brown int max_package_id = 0; 2442c98d5d94SLen Brown int max_siblings = 0; 2443c98d5d94SLen Brown struct cpu_topology { 2444c98d5d94SLen Brown int core_id; 2445c98d5d94SLen Brown int physical_package_id; 2446c98d5d94SLen Brown } *cpus; 2447c98d5d94SLen Brown 2448c98d5d94SLen Brown /* Initialize num_cpus, max_cpu_num */ 2449c98d5d94SLen Brown topo.num_cpus = 0; 2450c98d5d94SLen Brown topo.max_cpu_num = 0; 2451c98d5d94SLen Brown for_all_proc_cpus(count_cpus); 2452c98d5d94SLen Brown if (!summary_only && topo.num_cpus > 1) 2453c98d5d94SLen Brown show_cpu = 1; 2454c98d5d94SLen Brown 2455d8af6f5fSLen Brown if (debug > 1) 2456c98d5d94SLen Brown fprintf(stderr, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num); 2457c98d5d94SLen Brown 2458c98d5d94SLen Brown cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology)); 2459b2c95d90SJosh Triplett if (cpus == NULL) 2460b2c95d90SJosh Triplett err(1, "calloc cpus"); 2461c98d5d94SLen Brown 2462c98d5d94SLen Brown /* 2463c98d5d94SLen Brown * Allocate and initialize cpu_present_set 2464c98d5d94SLen Brown */ 2465c98d5d94SLen Brown cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1)); 2466b2c95d90SJosh Triplett if (cpu_present_set == NULL) 2467b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 2468c98d5d94SLen Brown cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 2469c98d5d94SLen Brown CPU_ZERO_S(cpu_present_setsize, cpu_present_set); 2470c98d5d94SLen Brown for_all_proc_cpus(mark_cpu_present); 2471c98d5d94SLen Brown 2472c98d5d94SLen Brown /* 2473c98d5d94SLen Brown * Allocate and initialize cpu_affinity_set 2474c98d5d94SLen Brown */ 2475c98d5d94SLen Brown cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1)); 2476b2c95d90SJosh Triplett if (cpu_affinity_set == NULL) 2477b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 2478c98d5d94SLen Brown cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 2479c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 2480c98d5d94SLen Brown 2481c98d5d94SLen Brown 2482c98d5d94SLen Brown /* 2483c98d5d94SLen Brown * For online cpus 2484c98d5d94SLen Brown * find max_core_id, max_package_id 2485c98d5d94SLen Brown */ 2486c98d5d94SLen Brown for (i = 0; i <= topo.max_cpu_num; ++i) { 2487c98d5d94SLen Brown int siblings; 2488c98d5d94SLen Brown 2489c98d5d94SLen Brown if (cpu_is_not_present(i)) { 2490d8af6f5fSLen Brown if (debug > 1) 2491c98d5d94SLen Brown fprintf(stderr, "cpu%d NOT PRESENT\n", i); 2492c98d5d94SLen Brown continue; 2493c98d5d94SLen Brown } 2494c98d5d94SLen Brown cpus[i].core_id = get_core_id(i); 2495c98d5d94SLen Brown if (cpus[i].core_id > max_core_id) 2496c98d5d94SLen Brown max_core_id = cpus[i].core_id; 2497c98d5d94SLen Brown 2498c98d5d94SLen Brown cpus[i].physical_package_id = get_physical_package_id(i); 2499c98d5d94SLen Brown if (cpus[i].physical_package_id > max_package_id) 2500c98d5d94SLen Brown max_package_id = cpus[i].physical_package_id; 2501c98d5d94SLen Brown 2502c98d5d94SLen Brown siblings = get_num_ht_siblings(i); 2503c98d5d94SLen Brown if (siblings > max_siblings) 2504c98d5d94SLen Brown max_siblings = siblings; 2505d8af6f5fSLen Brown if (debug > 1) 2506c98d5d94SLen Brown fprintf(stderr, "cpu %d pkg %d core %d\n", 2507c98d5d94SLen Brown i, cpus[i].physical_package_id, cpus[i].core_id); 2508c98d5d94SLen Brown } 2509c98d5d94SLen Brown topo.num_cores_per_pkg = max_core_id + 1; 2510d8af6f5fSLen Brown if (debug > 1) 2511c98d5d94SLen Brown fprintf(stderr, "max_core_id %d, sizing for %d cores per package\n", 2512c98d5d94SLen Brown max_core_id, topo.num_cores_per_pkg); 25131cc21f7bSLen Brown if (debug && !summary_only && topo.num_cores_per_pkg > 1) 2514c98d5d94SLen Brown show_core = 1; 2515c98d5d94SLen Brown 2516c98d5d94SLen Brown topo.num_packages = max_package_id + 1; 2517d8af6f5fSLen Brown if (debug > 1) 2518c98d5d94SLen Brown fprintf(stderr, "max_package_id %d, sizing for %d packages\n", 2519c98d5d94SLen Brown max_package_id, topo.num_packages); 25201cc21f7bSLen Brown if (debug && !summary_only && topo.num_packages > 1) 2521c98d5d94SLen Brown show_pkg = 1; 2522c98d5d94SLen Brown 2523c98d5d94SLen Brown topo.num_threads_per_core = max_siblings; 2524d8af6f5fSLen Brown if (debug > 1) 2525c98d5d94SLen Brown fprintf(stderr, "max_siblings %d\n", max_siblings); 2526c98d5d94SLen Brown 2527c98d5d94SLen Brown free(cpus); 2528c98d5d94SLen Brown } 2529c98d5d94SLen Brown 2530c98d5d94SLen Brown void 2531c98d5d94SLen Brown allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p) 2532c98d5d94SLen Brown { 2533c98d5d94SLen Brown int i; 2534c98d5d94SLen Brown 2535c98d5d94SLen Brown *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg * 2536c98d5d94SLen Brown topo.num_packages, sizeof(struct thread_data)); 2537c98d5d94SLen Brown if (*t == NULL) 2538c98d5d94SLen Brown goto error; 2539c98d5d94SLen Brown 2540c98d5d94SLen Brown for (i = 0; i < topo.num_threads_per_core * 2541c98d5d94SLen Brown topo.num_cores_per_pkg * topo.num_packages; i++) 2542c98d5d94SLen Brown (*t)[i].cpu_id = -1; 2543c98d5d94SLen Brown 2544c98d5d94SLen Brown *c = calloc(topo.num_cores_per_pkg * topo.num_packages, 2545c98d5d94SLen Brown sizeof(struct core_data)); 2546c98d5d94SLen Brown if (*c == NULL) 2547c98d5d94SLen Brown goto error; 2548c98d5d94SLen Brown 2549c98d5d94SLen Brown for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++) 2550c98d5d94SLen Brown (*c)[i].core_id = -1; 2551c98d5d94SLen Brown 2552c98d5d94SLen Brown *p = calloc(topo.num_packages, sizeof(struct pkg_data)); 2553c98d5d94SLen Brown if (*p == NULL) 2554c98d5d94SLen Brown goto error; 2555c98d5d94SLen Brown 2556c98d5d94SLen Brown for (i = 0; i < topo.num_packages; i++) 2557c98d5d94SLen Brown (*p)[i].package_id = i; 2558c98d5d94SLen Brown 2559c98d5d94SLen Brown return; 2560c98d5d94SLen Brown error: 2561b2c95d90SJosh Triplett err(1, "calloc counters"); 2562c98d5d94SLen Brown } 2563c98d5d94SLen Brown /* 2564c98d5d94SLen Brown * init_counter() 2565c98d5d94SLen Brown * 2566c98d5d94SLen Brown * set cpu_id, core_num, pkg_num 2567c98d5d94SLen Brown * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE 2568c98d5d94SLen Brown * 2569c98d5d94SLen Brown * increment topo.num_cores when 1st core in pkg seen 2570c98d5d94SLen Brown */ 2571c98d5d94SLen Brown void init_counter(struct thread_data *thread_base, struct core_data *core_base, 2572c98d5d94SLen Brown struct pkg_data *pkg_base, int thread_num, int core_num, 2573c98d5d94SLen Brown int pkg_num, int cpu_id) 2574c98d5d94SLen Brown { 2575c98d5d94SLen Brown struct thread_data *t; 2576c98d5d94SLen Brown struct core_data *c; 2577c98d5d94SLen Brown struct pkg_data *p; 2578c98d5d94SLen Brown 2579c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_num, core_num, pkg_num); 2580c98d5d94SLen Brown c = GET_CORE(core_base, core_num, pkg_num); 2581c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_num); 2582c98d5d94SLen Brown 2583c98d5d94SLen Brown t->cpu_id = cpu_id; 2584c98d5d94SLen Brown if (thread_num == 0) { 2585c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_THREAD_IN_CORE; 2586c98d5d94SLen Brown if (cpu_is_first_core_in_package(cpu_id)) 2587c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE; 2588c98d5d94SLen Brown } 2589c98d5d94SLen Brown 2590c98d5d94SLen Brown c->core_id = core_num; 2591c98d5d94SLen Brown p->package_id = pkg_num; 2592c98d5d94SLen Brown } 2593c98d5d94SLen Brown 2594c98d5d94SLen Brown 2595c98d5d94SLen Brown int initialize_counters(int cpu_id) 2596c98d5d94SLen Brown { 2597c98d5d94SLen Brown int my_thread_id, my_core_id, my_package_id; 2598c98d5d94SLen Brown 2599c98d5d94SLen Brown my_package_id = get_physical_package_id(cpu_id); 2600c98d5d94SLen Brown my_core_id = get_core_id(cpu_id); 2601c98d5d94SLen Brown 2602c98d5d94SLen Brown if (cpu_is_first_sibling_in_core(cpu_id)) { 2603c98d5d94SLen Brown my_thread_id = 0; 2604c98d5d94SLen Brown topo.num_cores++; 2605c98d5d94SLen Brown } else { 2606c98d5d94SLen Brown my_thread_id = 1; 2607c98d5d94SLen Brown } 2608c98d5d94SLen Brown 2609c98d5d94SLen Brown init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 2610c98d5d94SLen Brown init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 2611c98d5d94SLen Brown return 0; 2612c98d5d94SLen Brown } 2613c98d5d94SLen Brown 2614c98d5d94SLen Brown void allocate_output_buffer() 2615c98d5d94SLen Brown { 26163b4d5c7fSAndy Shevchenko output_buffer = calloc(1, (1 + topo.num_cpus) * 1024); 2617c98d5d94SLen Brown outp = output_buffer; 2618b2c95d90SJosh Triplett if (outp == NULL) 2619b2c95d90SJosh Triplett err(-1, "calloc output buffer"); 2620c98d5d94SLen Brown } 2621c98d5d94SLen Brown 2622c98d5d94SLen Brown void setup_all_buffers(void) 2623c98d5d94SLen Brown { 2624c98d5d94SLen Brown topology_probe(); 2625c98d5d94SLen Brown allocate_counters(&thread_even, &core_even, &package_even); 2626c98d5d94SLen Brown allocate_counters(&thread_odd, &core_odd, &package_odd); 2627c98d5d94SLen Brown allocate_output_buffer(); 2628c98d5d94SLen Brown for_all_proc_cpus(initialize_counters); 2629c98d5d94SLen Brown } 26303b4d5c7fSAndy Shevchenko 2631103a8feaSLen Brown void turbostat_init() 2632103a8feaSLen Brown { 2633103a8feaSLen Brown check_dev_msr(); 263498481e79SLen Brown check_permissions(); 2635*fcd17211SLen Brown process_cpuid(); 2636103a8feaSLen Brown 2637c98d5d94SLen Brown setup_all_buffers(); 2638103a8feaSLen Brown 2639d8af6f5fSLen Brown if (debug) 2640889facbeSLen Brown for_all_cpus(print_epb, ODD_COUNTERS); 2641889facbeSLen Brown 2642d8af6f5fSLen Brown if (debug) 26433a9a941dSLen Brown for_all_cpus(print_perf_limit, ODD_COUNTERS); 26443a9a941dSLen Brown 2645d8af6f5fSLen Brown if (debug) 2646889facbeSLen Brown for_all_cpus(print_rapl, ODD_COUNTERS); 2647889facbeSLen Brown 2648889facbeSLen Brown for_all_cpus(set_temperature_target, ODD_COUNTERS); 2649889facbeSLen Brown 2650d8af6f5fSLen Brown if (debug) 2651889facbeSLen Brown for_all_cpus(print_thermal, ODD_COUNTERS); 2652103a8feaSLen Brown } 2653103a8feaSLen Brown 2654103a8feaSLen Brown int fork_it(char **argv) 2655103a8feaSLen Brown { 2656103a8feaSLen Brown pid_t child_pid; 2657d91bb17cSLen Brown int status; 2658d15cf7c1SLen Brown 2659d91bb17cSLen Brown status = for_all_cpus(get_counters, EVEN_COUNTERS); 2660d91bb17cSLen Brown if (status) 2661d91bb17cSLen Brown exit(status); 2662d15cf7c1SLen Brown /* clear affinity side-effect of get_counters() */ 2663d15cf7c1SLen Brown sched_setaffinity(0, cpu_present_setsize, cpu_present_set); 2664103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 2665103a8feaSLen Brown 2666103a8feaSLen Brown child_pid = fork(); 2667103a8feaSLen Brown if (!child_pid) { 2668103a8feaSLen Brown /* child */ 2669103a8feaSLen Brown execvp(argv[0], argv); 2670103a8feaSLen Brown } else { 2671103a8feaSLen Brown 2672103a8feaSLen Brown /* parent */ 2673b2c95d90SJosh Triplett if (child_pid == -1) 2674b2c95d90SJosh Triplett err(1, "fork"); 2675103a8feaSLen Brown 2676103a8feaSLen Brown signal(SIGINT, SIG_IGN); 2677103a8feaSLen Brown signal(SIGQUIT, SIG_IGN); 2678b2c95d90SJosh Triplett if (waitpid(child_pid, &status, 0) == -1) 2679b2c95d90SJosh Triplett err(status, "waitpid"); 2680103a8feaSLen Brown } 2681c98d5d94SLen Brown /* 2682c98d5d94SLen Brown * n.b. fork_it() does not check for errors from for_all_cpus() 2683c98d5d94SLen Brown * because re-starting is problematic when forking 2684c98d5d94SLen Brown */ 2685c98d5d94SLen Brown for_all_cpus(get_counters, ODD_COUNTERS); 2686103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 2687103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 2688c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 2689c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 2690c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 2691c98d5d94SLen Brown flush_stderr(); 2692103a8feaSLen Brown 26936eab04a8SJustin P. Mattock fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); 2694103a8feaSLen Brown 2695d91bb17cSLen Brown return status; 2696103a8feaSLen Brown } 2697103a8feaSLen Brown 26983b4d5c7fSAndy Shevchenko int get_and_dump_counters(void) 26993b4d5c7fSAndy Shevchenko { 27003b4d5c7fSAndy Shevchenko int status; 27013b4d5c7fSAndy Shevchenko 27023b4d5c7fSAndy Shevchenko status = for_all_cpus(get_counters, ODD_COUNTERS); 27033b4d5c7fSAndy Shevchenko if (status) 27043b4d5c7fSAndy Shevchenko return status; 27053b4d5c7fSAndy Shevchenko 27063b4d5c7fSAndy Shevchenko status = for_all_cpus(dump_counters, ODD_COUNTERS); 27073b4d5c7fSAndy Shevchenko if (status) 27083b4d5c7fSAndy Shevchenko return status; 27093b4d5c7fSAndy Shevchenko 27103b4d5c7fSAndy Shevchenko flush_stdout(); 27113b4d5c7fSAndy Shevchenko 27123b4d5c7fSAndy Shevchenko return status; 27133b4d5c7fSAndy Shevchenko } 27143b4d5c7fSAndy Shevchenko 2715d8af6f5fSLen Brown void print_version() { 2716*fcd17211SLen Brown fprintf(stderr, "turbostat version 4.2 23 Mar, 2015" 2717d8af6f5fSLen Brown " - Len Brown <lenb@kernel.org>\n"); 2718d8af6f5fSLen Brown } 2719d8af6f5fSLen Brown 2720103a8feaSLen Brown void cmdline(int argc, char **argv) 2721103a8feaSLen Brown { 2722103a8feaSLen Brown int opt; 2723d8af6f5fSLen Brown int option_index = 0; 2724d8af6f5fSLen Brown static struct option long_options[] = { 2725d8af6f5fSLen Brown {"Counter", required_argument, 0, 'C'}, 2726d8af6f5fSLen Brown {"counter", required_argument, 0, 'c'}, 2727d8af6f5fSLen Brown {"Dump", no_argument, 0, 'D'}, 2728d8af6f5fSLen Brown {"debug", no_argument, 0, 'd'}, 2729d8af6f5fSLen Brown {"interval", required_argument, 0, 'i'}, 2730d8af6f5fSLen Brown {"help", no_argument, 0, 'h'}, 2731d8af6f5fSLen Brown {"Joules", no_argument, 0, 'J'}, 2732d8af6f5fSLen Brown {"MSR", required_argument, 0, 'M'}, 2733d8af6f5fSLen Brown {"msr", required_argument, 0, 'm'}, 2734d8af6f5fSLen Brown {"Package", no_argument, 0, 'p'}, 2735d8af6f5fSLen Brown {"processor", no_argument, 0, 'p'}, 2736d8af6f5fSLen Brown {"Summary", no_argument, 0, 'S'}, 2737d8af6f5fSLen Brown {"TCC", required_argument, 0, 'T'}, 2738d8af6f5fSLen Brown {"version", no_argument, 0, 'v' }, 2739d8af6f5fSLen Brown {0, 0, 0, 0 } 2740d8af6f5fSLen Brown }; 2741103a8feaSLen Brown 2742103a8feaSLen Brown progname = argv[0]; 2743103a8feaSLen Brown 2744d8af6f5fSLen Brown while ((opt = getopt_long_only(argc, argv, "C:c:Ddhi:JM:m:PpST:v", 2745d8af6f5fSLen Brown long_options, &option_index)) != -1) { 2746103a8feaSLen Brown switch (opt) { 2747d8af6f5fSLen Brown case 'C': 2748d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_delta_offset64); 2749103a8feaSLen Brown break; 2750f9240813SLen Brown case 'c': 27518e180f3cSLen Brown sscanf(optarg, "%x", &extra_delta_offset32); 27528e180f3cSLen Brown break; 2753d8af6f5fSLen Brown case 'D': 2754d8af6f5fSLen Brown dump_only++; 27558e180f3cSLen Brown break; 2756d8af6f5fSLen Brown case 'd': 2757d8af6f5fSLen Brown debug++; 27582f32edf1SLen Brown break; 2759d8af6f5fSLen Brown case 'h': 2760d8af6f5fSLen Brown default: 2761d8af6f5fSLen Brown help(); 2762d8af6f5fSLen Brown exit(1); 2763d8af6f5fSLen Brown case 'i': 2764d8af6f5fSLen Brown interval_sec = atoi(optarg); 2765889facbeSLen Brown break; 27665c56be9aSDirk Brandewie case 'J': 27675c56be9aSDirk Brandewie rapl_joules++; 27685c56be9aSDirk Brandewie break; 2769d8af6f5fSLen Brown case 'M': 2770d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset64); 2771d8af6f5fSLen Brown break; 2772d8af6f5fSLen Brown case 'm': 2773d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset32); 2774d8af6f5fSLen Brown break; 2775d8af6f5fSLen Brown case 'P': 2776d8af6f5fSLen Brown show_pkg_only++; 2777d8af6f5fSLen Brown break; 2778d8af6f5fSLen Brown case 'p': 2779d8af6f5fSLen Brown show_core_only++; 2780d8af6f5fSLen Brown break; 2781d8af6f5fSLen Brown case 'S': 2782d8af6f5fSLen Brown summary_only++; 2783d8af6f5fSLen Brown break; 2784d8af6f5fSLen Brown case 'T': 2785d8af6f5fSLen Brown tcc_activation_temp_override = atoi(optarg); 2786d8af6f5fSLen Brown break; 2787d8af6f5fSLen Brown case 'v': 2788d8af6f5fSLen Brown print_version(); 2789d8af6f5fSLen Brown exit(0); 2790d8af6f5fSLen Brown break; 2791103a8feaSLen Brown } 2792103a8feaSLen Brown } 2793103a8feaSLen Brown } 2794103a8feaSLen Brown 2795103a8feaSLen Brown int main(int argc, char **argv) 2796103a8feaSLen Brown { 2797103a8feaSLen Brown cmdline(argc, argv); 2798103a8feaSLen Brown 2799d8af6f5fSLen Brown if (debug) 2800d8af6f5fSLen Brown print_version(); 2801103a8feaSLen Brown 2802103a8feaSLen Brown turbostat_init(); 2803103a8feaSLen Brown 28043b4d5c7fSAndy Shevchenko /* dump counters and exit */ 28053b4d5c7fSAndy Shevchenko if (dump_only) 28063b4d5c7fSAndy Shevchenko return get_and_dump_counters(); 28073b4d5c7fSAndy Shevchenko 2808103a8feaSLen Brown /* 2809103a8feaSLen Brown * if any params left, it must be a command to fork 2810103a8feaSLen Brown */ 2811103a8feaSLen Brown if (argc - optind) 2812103a8feaSLen Brown return fork_it(argv + optind); 2813103a8feaSLen Brown else 2814103a8feaSLen Brown turbostat_loop(); 2815103a8feaSLen Brown 2816103a8feaSLen Brown return 0; 2817103a8feaSLen Brown } 2818