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; 55fb5d4327SDasaratharaman Chandramouli unsigned int do_knl_cstates; 56ee7e38e3SLen Brown unsigned int do_pc2; 57ee7e38e3SLen Brown unsigned int do_pc3; 58ee7e38e3SLen Brown unsigned int do_pc6; 59ee7e38e3SLen Brown unsigned int do_pc7; 60ca58710fSKristen Carlson Accardi unsigned int do_c8_c9_c10; 610b2bb692SLen Brown unsigned int do_skl_residency; 62144b44b1SLen Brown unsigned int do_slm_cstates; 63144b44b1SLen Brown unsigned int use_c1_residency_msr; 64103a8feaSLen Brown unsigned int has_aperf; 65889facbeSLen Brown unsigned int has_epb; 66fc04cc67SLen Brown unsigned int units = 1000000; /* MHz etc */ 67103a8feaSLen Brown unsigned int genuine_intel; 68103a8feaSLen Brown unsigned int has_invariant_tsc; 69d7899447SLen Brown unsigned int do_nhm_platform_info; 702f32edf1SLen Brown unsigned int extra_msr_offset32; 712f32edf1SLen Brown unsigned int extra_msr_offset64; 728e180f3cSLen Brown unsigned int extra_delta_offset32; 738e180f3cSLen Brown unsigned int extra_delta_offset64; 74b2b34dfeSHubert Chrzaniuk unsigned int aperf_mperf_multiplier = 1; 751ed51011SLen Brown int do_smi; 76103a8feaSLen Brown double bclk; 77*a2b7b749SLen Brown double base_hz; 78*a2b7b749SLen Brown double tsc_tweak = 1.0; 79103a8feaSLen Brown unsigned int show_pkg; 80103a8feaSLen Brown unsigned int show_core; 81103a8feaSLen Brown unsigned int show_cpu; 82c98d5d94SLen Brown unsigned int show_pkg_only; 83c98d5d94SLen Brown unsigned int show_core_only; 84c98d5d94SLen Brown char *output_buffer, *outp; 85889facbeSLen Brown unsigned int do_rapl; 86889facbeSLen Brown unsigned int do_dts; 87889facbeSLen Brown unsigned int do_ptm; 88889facbeSLen Brown unsigned int tcc_activation_temp; 89889facbeSLen Brown unsigned int tcc_activation_temp_override; 9040ee8e3bSAndrey Semin double rapl_power_units, rapl_time_units; 9140ee8e3bSAndrey Semin double rapl_dram_energy_units, rapl_energy_units; 92889facbeSLen Brown double rapl_joule_counter_range; 933a9a941dSLen Brown unsigned int do_core_perf_limit_reasons; 943a9a941dSLen Brown unsigned int do_gfx_perf_limit_reasons; 953a9a941dSLen Brown unsigned int do_ring_perf_limit_reasons; 968a5bdf41SLen Brown unsigned int crystal_hz; 978a5bdf41SLen Brown unsigned long long tsc_hz; 987ce7d5deSPrarit Bhargava int base_cpu; 99889facbeSLen Brown 100889facbeSLen Brown #define RAPL_PKG (1 << 0) 101e6f9bb3cSLen Brown /* 0x610 MSR_PKG_POWER_LIMIT */ 102e6f9bb3cSLen Brown /* 0x611 MSR_PKG_ENERGY_STATUS */ 103e6f9bb3cSLen Brown #define RAPL_PKG_PERF_STATUS (1 << 1) 104e6f9bb3cSLen Brown /* 0x613 MSR_PKG_PERF_STATUS */ 105e6f9bb3cSLen Brown #define RAPL_PKG_POWER_INFO (1 << 2) 106e6f9bb3cSLen Brown /* 0x614 MSR_PKG_POWER_INFO */ 107e6f9bb3cSLen Brown 108889facbeSLen Brown #define RAPL_DRAM (1 << 3) 109e6f9bb3cSLen Brown /* 0x618 MSR_DRAM_POWER_LIMIT */ 110e6f9bb3cSLen Brown /* 0x619 MSR_DRAM_ENERGY_STATUS */ 111e6f9bb3cSLen Brown #define RAPL_DRAM_PERF_STATUS (1 << 4) 112e6f9bb3cSLen Brown /* 0x61b MSR_DRAM_PERF_STATUS */ 1130b2bb692SLen Brown #define RAPL_DRAM_POWER_INFO (1 << 5) 1140b2bb692SLen Brown /* 0x61c MSR_DRAM_POWER_INFO */ 115e6f9bb3cSLen Brown 1160b2bb692SLen Brown #define RAPL_CORES (1 << 6) 117e6f9bb3cSLen Brown /* 0x638 MSR_PP0_POWER_LIMIT */ 118e6f9bb3cSLen Brown /* 0x639 MSR_PP0_ENERGY_STATUS */ 1190b2bb692SLen Brown #define RAPL_CORE_POLICY (1 << 7) 120e6f9bb3cSLen Brown /* 0x63a MSR_PP0_POLICY */ 121e6f9bb3cSLen Brown 1220b2bb692SLen Brown #define RAPL_GFX (1 << 8) 123e6f9bb3cSLen Brown /* 0x640 MSR_PP1_POWER_LIMIT */ 124e6f9bb3cSLen Brown /* 0x641 MSR_PP1_ENERGY_STATUS */ 125e6f9bb3cSLen Brown /* 0x642 MSR_PP1_POLICY */ 126889facbeSLen Brown #define TJMAX_DEFAULT 100 127889facbeSLen Brown 128889facbeSLen Brown #define MAX(a, b) ((a) > (b) ? (a) : (b)) 129103a8feaSLen Brown 130103a8feaSLen Brown int aperf_mperf_unstable; 131103a8feaSLen Brown int backwards_count; 132103a8feaSLen Brown char *progname; 133103a8feaSLen Brown 134c98d5d94SLen Brown cpu_set_t *cpu_present_set, *cpu_affinity_set; 135c98d5d94SLen Brown size_t cpu_present_setsize, cpu_affinity_setsize; 136c98d5d94SLen Brown 137c98d5d94SLen Brown struct thread_data { 138c98d5d94SLen Brown unsigned long long tsc; 139c98d5d94SLen Brown unsigned long long aperf; 140c98d5d94SLen Brown unsigned long long mperf; 141144b44b1SLen Brown unsigned long long c1; 1422f32edf1SLen Brown unsigned long long extra_msr64; 1438e180f3cSLen Brown unsigned long long extra_delta64; 1448e180f3cSLen Brown unsigned long long extra_msr32; 1458e180f3cSLen Brown unsigned long long extra_delta32; 1461ed51011SLen Brown unsigned int smi_count; 147c98d5d94SLen Brown unsigned int cpu_id; 148c98d5d94SLen Brown unsigned int flags; 149c98d5d94SLen Brown #define CPU_IS_FIRST_THREAD_IN_CORE 0x2 150c98d5d94SLen Brown #define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4 151c98d5d94SLen Brown } *thread_even, *thread_odd; 152c98d5d94SLen Brown 153c98d5d94SLen Brown struct core_data { 154c98d5d94SLen Brown unsigned long long c3; 155c98d5d94SLen Brown unsigned long long c6; 156c98d5d94SLen Brown unsigned long long c7; 157889facbeSLen Brown unsigned int core_temp_c; 158c98d5d94SLen Brown unsigned int core_id; 159c98d5d94SLen Brown } *core_even, *core_odd; 160c98d5d94SLen Brown 161c98d5d94SLen Brown struct pkg_data { 162c98d5d94SLen Brown unsigned long long pc2; 163c98d5d94SLen Brown unsigned long long pc3; 164c98d5d94SLen Brown unsigned long long pc6; 165c98d5d94SLen Brown unsigned long long pc7; 166ca58710fSKristen Carlson Accardi unsigned long long pc8; 167ca58710fSKristen Carlson Accardi unsigned long long pc9; 168ca58710fSKristen Carlson Accardi unsigned long long pc10; 1690b2bb692SLen Brown unsigned long long pkg_wtd_core_c0; 1700b2bb692SLen Brown unsigned long long pkg_any_core_c0; 1710b2bb692SLen Brown unsigned long long pkg_any_gfxe_c0; 1720b2bb692SLen Brown unsigned long long pkg_both_core_gfxe_c0; 173c98d5d94SLen Brown unsigned int package_id; 174889facbeSLen Brown unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */ 175889facbeSLen Brown unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */ 176889facbeSLen Brown unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */ 177889facbeSLen Brown unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */ 178889facbeSLen Brown unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */ 179889facbeSLen Brown unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */ 180889facbeSLen Brown unsigned int pkg_temp_c; 181889facbeSLen Brown 182c98d5d94SLen Brown } *package_even, *package_odd; 183c98d5d94SLen Brown 184c98d5d94SLen Brown #define ODD_COUNTERS thread_odd, core_odd, package_odd 185c98d5d94SLen Brown #define EVEN_COUNTERS thread_even, core_even, package_even 186c98d5d94SLen Brown 187c98d5d94SLen Brown #define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \ 188c98d5d94SLen Brown (thread_base + (pkg_no) * topo.num_cores_per_pkg * \ 189c98d5d94SLen Brown topo.num_threads_per_core + \ 190c98d5d94SLen Brown (core_no) * topo.num_threads_per_core + (thread_no)) 191c98d5d94SLen Brown #define GET_CORE(core_base, core_no, pkg_no) \ 192c98d5d94SLen Brown (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no)) 193c98d5d94SLen Brown #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no) 194c98d5d94SLen Brown 195c98d5d94SLen Brown struct system_summary { 196c98d5d94SLen Brown struct thread_data threads; 197c98d5d94SLen Brown struct core_data cores; 198c98d5d94SLen Brown struct pkg_data packages; 199c98d5d94SLen Brown } sum, average; 200c98d5d94SLen Brown 201c98d5d94SLen Brown 202c98d5d94SLen Brown struct topo_params { 203c98d5d94SLen Brown int num_packages; 204103a8feaSLen Brown int num_cpus; 205c98d5d94SLen Brown int num_cores; 206c98d5d94SLen Brown int max_cpu_num; 207c98d5d94SLen Brown int num_cores_per_pkg; 208c98d5d94SLen Brown int num_threads_per_core; 209c98d5d94SLen Brown } topo; 210103a8feaSLen Brown 211c98d5d94SLen Brown struct timeval tv_even, tv_odd, tv_delta; 212103a8feaSLen Brown 213c98d5d94SLen Brown void setup_all_buffers(void); 214103a8feaSLen Brown 215c98d5d94SLen Brown int cpu_is_not_present(int cpu) 216d15cf7c1SLen Brown { 217c98d5d94SLen Brown return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set); 218c98d5d94SLen Brown } 219c98d5d94SLen Brown /* 220c98d5d94SLen Brown * run func(thread, core, package) in topology order 221c98d5d94SLen Brown * skip non-present cpus 222c98d5d94SLen Brown */ 223c98d5d94SLen Brown 224c98d5d94SLen Brown int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *), 225c98d5d94SLen Brown struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base) 226c98d5d94SLen Brown { 227c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 228c98d5d94SLen Brown 229c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 230c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 231c98d5d94SLen Brown for (thread_no = 0; thread_no < 232c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 233c98d5d94SLen Brown struct thread_data *t; 234c98d5d94SLen Brown struct core_data *c; 235c98d5d94SLen Brown struct pkg_data *p; 236c98d5d94SLen Brown 237c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 238c98d5d94SLen Brown 239c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 240c98d5d94SLen Brown continue; 241c98d5d94SLen Brown 242c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 243c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 244c98d5d94SLen Brown 245c98d5d94SLen Brown retval = func(t, c, p); 246c98d5d94SLen Brown if (retval) 247c98d5d94SLen Brown return retval; 248c98d5d94SLen Brown } 249c98d5d94SLen Brown } 250c98d5d94SLen Brown } 251d15cf7c1SLen Brown return 0; 252d15cf7c1SLen Brown } 253d15cf7c1SLen Brown 25488c3281fSLen Brown int cpu_migrate(int cpu) 25588c3281fSLen Brown { 256c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 257c98d5d94SLen Brown CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set); 258c98d5d94SLen Brown if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1) 25988c3281fSLen Brown return -1; 26088c3281fSLen Brown else 26188c3281fSLen Brown return 0; 26288c3281fSLen Brown } 26388c3281fSLen Brown 26415aaa346SLen Brown int get_msr(int cpu, off_t offset, unsigned long long *msr) 265103a8feaSLen Brown { 266103a8feaSLen Brown ssize_t retval; 267103a8feaSLen Brown char pathname[32]; 268103a8feaSLen Brown int fd; 269103a8feaSLen Brown 270103a8feaSLen Brown sprintf(pathname, "/dev/cpu/%d/msr", cpu); 271103a8feaSLen Brown fd = open(pathname, O_RDONLY); 27215aaa346SLen Brown if (fd < 0) 27398481e79SLen Brown err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname); 274103a8feaSLen Brown 27515aaa346SLen Brown retval = pread(fd, msr, sizeof *msr, offset); 276103a8feaSLen Brown close(fd); 27715aaa346SLen Brown 27898481e79SLen Brown if (retval != sizeof *msr) 27998481e79SLen Brown err(-1, "%s offset 0x%llx read failed", pathname, (unsigned long long)offset); 28015aaa346SLen Brown 28115aaa346SLen Brown return 0; 282103a8feaSLen Brown } 283103a8feaSLen Brown 284fc04cc67SLen Brown /* 285fc04cc67SLen Brown * Example Format w/ field column widths: 286fc04cc67SLen Brown * 287fc04cc67SLen 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 288e7c95ff3SLen Brown * 123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678 289fc04cc67SLen Brown */ 290fc04cc67SLen Brown 291a829eb4dSLen Brown void print_header(void) 292103a8feaSLen Brown { 293103a8feaSLen Brown if (show_pkg) 294fc04cc67SLen Brown outp += sprintf(outp, " Package"); 295103a8feaSLen Brown if (show_core) 296fc04cc67SLen Brown outp += sprintf(outp, " Core"); 297103a8feaSLen Brown if (show_cpu) 298c98d5d94SLen Brown outp += sprintf(outp, " CPU"); 299103a8feaSLen Brown if (has_aperf) 300fc04cc67SLen Brown outp += sprintf(outp, " Avg_MHz"); 301d7899447SLen Brown if (has_aperf) 302fc04cc67SLen Brown outp += sprintf(outp, " %%Busy"); 303fc04cc67SLen Brown if (has_aperf) 304fc04cc67SLen Brown outp += sprintf(outp, " Bzy_MHz"); 305fc04cc67SLen Brown outp += sprintf(outp, " TSC_MHz"); 3061cc21f7bSLen Brown 3078e180f3cSLen Brown if (extra_delta_offset32) 308f9240813SLen Brown outp += sprintf(outp, " count 0x%03X", extra_delta_offset32); 3098e180f3cSLen Brown if (extra_delta_offset64) 310f9240813SLen Brown outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64); 3112f32edf1SLen Brown if (extra_msr_offset32) 3128e180f3cSLen Brown outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32); 3132f32edf1SLen Brown if (extra_msr_offset64) 3148e180f3cSLen Brown outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64); 3151cc21f7bSLen Brown 3161cc21f7bSLen Brown if (!debug) 3171cc21f7bSLen Brown goto done; 3181cc21f7bSLen Brown 3191cc21f7bSLen Brown if (do_smi) 3201cc21f7bSLen Brown outp += sprintf(outp, " SMI"); 3211cc21f7bSLen Brown 322103a8feaSLen Brown if (do_nhm_cstates) 323fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c1"); 324fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) 325fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c3"); 326103a8feaSLen Brown if (do_nhm_cstates) 327fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c6"); 328103a8feaSLen Brown if (do_snb_cstates) 329fc04cc67SLen Brown outp += sprintf(outp, " CPU%%c7"); 330889facbeSLen Brown 331889facbeSLen Brown if (do_dts) 332fc04cc67SLen Brown outp += sprintf(outp, " CoreTmp"); 333889facbeSLen Brown if (do_ptm) 334fc04cc67SLen Brown outp += sprintf(outp, " PkgTmp"); 335889facbeSLen Brown 3360b2bb692SLen Brown if (do_skl_residency) { 3370b2bb692SLen Brown outp += sprintf(outp, " Totl%%C0"); 3380b2bb692SLen Brown outp += sprintf(outp, " Any%%C0"); 3390b2bb692SLen Brown outp += sprintf(outp, " GFX%%C0"); 3400b2bb692SLen Brown outp += sprintf(outp, " CPUGFX%%"); 3410b2bb692SLen Brown } 3420b2bb692SLen Brown 343ee7e38e3SLen Brown if (do_pc2) 344fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc2"); 345ee7e38e3SLen Brown if (do_pc3) 346fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc3"); 347ee7e38e3SLen Brown if (do_pc6) 348fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc6"); 349ee7e38e3SLen Brown if (do_pc7) 350fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc7"); 351ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 352fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc8"); 353fc04cc67SLen Brown outp += sprintf(outp, " Pkg%%pc9"); 354fc04cc67SLen Brown outp += sprintf(outp, " Pk%%pc10"); 355ca58710fSKristen Carlson Accardi } 356103a8feaSLen Brown 3575c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 358889facbeSLen Brown if (do_rapl & RAPL_PKG) 359fc04cc67SLen Brown outp += sprintf(outp, " PkgWatt"); 360889facbeSLen Brown if (do_rapl & RAPL_CORES) 361fc04cc67SLen Brown outp += sprintf(outp, " CorWatt"); 362889facbeSLen Brown if (do_rapl & RAPL_GFX) 363fc04cc67SLen Brown outp += sprintf(outp, " GFXWatt"); 364889facbeSLen Brown if (do_rapl & RAPL_DRAM) 365fc04cc67SLen Brown outp += sprintf(outp, " RAMWatt"); 366889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 367889facbeSLen Brown outp += sprintf(outp, " PKG_%%"); 368889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 369889facbeSLen Brown outp += sprintf(outp, " RAM_%%"); 370d7899447SLen Brown } else if (do_rapl && rapl_joules) { 3715c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 3725c56be9aSDirk Brandewie outp += sprintf(outp, " Pkg_J"); 3735c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 3745c56be9aSDirk Brandewie outp += sprintf(outp, " Cor_J"); 3755c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 3765c56be9aSDirk Brandewie outp += sprintf(outp, " GFX_J"); 3775c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 378bd6906edSLen Brown outp += sprintf(outp, " RAM_J"); 3795c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 3805c56be9aSDirk Brandewie outp += sprintf(outp, " PKG_%%"); 3815c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 3825c56be9aSDirk Brandewie outp += sprintf(outp, " RAM_%%"); 3835c56be9aSDirk Brandewie outp += sprintf(outp, " time"); 384889facbeSLen Brown 3855c56be9aSDirk Brandewie } 3861cc21f7bSLen Brown done: 387c98d5d94SLen Brown outp += sprintf(outp, "\n"); 388103a8feaSLen Brown } 389103a8feaSLen Brown 390c98d5d94SLen Brown int dump_counters(struct thread_data *t, struct core_data *c, 391c98d5d94SLen Brown struct pkg_data *p) 392103a8feaSLen Brown { 3933b4d5c7fSAndy Shevchenko outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p); 394c98d5d94SLen Brown 395c98d5d94SLen Brown if (t) { 3963b4d5c7fSAndy Shevchenko outp += sprintf(outp, "CPU: %d flags 0x%x\n", 3973b4d5c7fSAndy Shevchenko t->cpu_id, t->flags); 3983b4d5c7fSAndy Shevchenko outp += sprintf(outp, "TSC: %016llX\n", t->tsc); 3993b4d5c7fSAndy Shevchenko outp += sprintf(outp, "aperf: %016llX\n", t->aperf); 4003b4d5c7fSAndy Shevchenko outp += sprintf(outp, "mperf: %016llX\n", t->mperf); 4013b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c1: %016llX\n", t->c1); 4023b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 4038e180f3cSLen Brown extra_delta_offset32, t->extra_delta32); 4043b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 4058e180f3cSLen Brown extra_delta_offset64, t->extra_delta64); 4063b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %08llX\n", 4072f32edf1SLen Brown extra_msr_offset32, t->extra_msr32); 4083b4d5c7fSAndy Shevchenko outp += sprintf(outp, "msr0x%x: %016llX\n", 4092f32edf1SLen Brown extra_msr_offset64, t->extra_msr64); 4101ed51011SLen Brown if (do_smi) 4113b4d5c7fSAndy Shevchenko outp += sprintf(outp, "SMI: %08X\n", t->smi_count); 412103a8feaSLen Brown } 413103a8feaSLen Brown 414c98d5d94SLen Brown if (c) { 4153b4d5c7fSAndy Shevchenko outp += sprintf(outp, "core: %d\n", c->core_id); 4163b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c3: %016llX\n", c->c3); 4173b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c6: %016llX\n", c->c6); 4183b4d5c7fSAndy Shevchenko outp += sprintf(outp, "c7: %016llX\n", c->c7); 4193b4d5c7fSAndy Shevchenko outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c); 420c98d5d94SLen Brown } 421103a8feaSLen Brown 422c98d5d94SLen Brown if (p) { 4233b4d5c7fSAndy Shevchenko outp += sprintf(outp, "package: %d\n", p->package_id); 4240b2bb692SLen Brown 4250b2bb692SLen Brown outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0); 4260b2bb692SLen Brown outp += sprintf(outp, "Any cores: %016llX\n", p->pkg_any_core_c0); 4270b2bb692SLen Brown outp += sprintf(outp, "Any GFX: %016llX\n", p->pkg_any_gfxe_c0); 4280b2bb692SLen Brown outp += sprintf(outp, "CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0); 4290b2bb692SLen Brown 4303b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc2: %016llX\n", p->pc2); 431ee7e38e3SLen Brown if (do_pc3) 4323b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc3: %016llX\n", p->pc3); 433ee7e38e3SLen Brown if (do_pc6) 4343b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc6: %016llX\n", p->pc6); 435ee7e38e3SLen Brown if (do_pc7) 4363b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc7: %016llX\n", p->pc7); 4373b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc8: %016llX\n", p->pc8); 4383b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc9: %016llX\n", p->pc9); 4393b4d5c7fSAndy Shevchenko outp += sprintf(outp, "pc10: %016llX\n", p->pc10); 4403b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg); 4413b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores); 4423b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx); 4433b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram); 4443b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle PKG: %0X\n", 4453b4d5c7fSAndy Shevchenko p->rapl_pkg_perf_status); 4463b4d5c7fSAndy Shevchenko outp += sprintf(outp, "Throttle RAM: %0X\n", 4473b4d5c7fSAndy Shevchenko p->rapl_dram_perf_status); 4483b4d5c7fSAndy Shevchenko outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c); 449c98d5d94SLen Brown } 4503b4d5c7fSAndy Shevchenko 4513b4d5c7fSAndy Shevchenko outp += sprintf(outp, "\n"); 4523b4d5c7fSAndy Shevchenko 453c98d5d94SLen Brown return 0; 454103a8feaSLen Brown } 455103a8feaSLen Brown 456e23da037SLen Brown /* 457e23da037SLen Brown * column formatting convention & formats 458e23da037SLen Brown */ 459c98d5d94SLen Brown int format_counters(struct thread_data *t, struct core_data *c, 460c98d5d94SLen Brown struct pkg_data *p) 461103a8feaSLen Brown { 462103a8feaSLen Brown double interval_float; 463fc04cc67SLen Brown char *fmt8; 464103a8feaSLen Brown 465c98d5d94SLen Brown /* if showing only 1st thread in core and this isn't one, bail out */ 466c98d5d94SLen Brown if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 467c98d5d94SLen Brown return 0; 468c98d5d94SLen Brown 469c98d5d94SLen Brown /* if showing only 1st thread in pkg and this isn't one, bail out */ 470c98d5d94SLen Brown if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 471c98d5d94SLen Brown return 0; 472c98d5d94SLen Brown 473103a8feaSLen Brown interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0; 474103a8feaSLen Brown 475c98d5d94SLen Brown /* topo columns, print blanks on 1st (average) line */ 476c98d5d94SLen Brown if (t == &average.threads) { 477103a8feaSLen Brown if (show_pkg) 478fc04cc67SLen Brown outp += sprintf(outp, " -"); 479103a8feaSLen Brown if (show_core) 480fc04cc67SLen Brown outp += sprintf(outp, " -"); 481103a8feaSLen Brown if (show_cpu) 482fc04cc67SLen Brown outp += sprintf(outp, " -"); 483103a8feaSLen Brown } else { 484c98d5d94SLen Brown if (show_pkg) { 485c98d5d94SLen Brown if (p) 486fc04cc67SLen Brown outp += sprintf(outp, "%8d", p->package_id); 487c98d5d94SLen Brown else 488fc04cc67SLen Brown outp += sprintf(outp, " -"); 489c98d5d94SLen Brown } 490c98d5d94SLen Brown if (show_core) { 491c98d5d94SLen Brown if (c) 492fc04cc67SLen Brown outp += sprintf(outp, "%8d", c->core_id); 493c98d5d94SLen Brown else 494fc04cc67SLen Brown outp += sprintf(outp, " -"); 495c98d5d94SLen Brown } 496103a8feaSLen Brown if (show_cpu) 497fc04cc67SLen Brown outp += sprintf(outp, "%8d", t->cpu_id); 498103a8feaSLen Brown } 499fc04cc67SLen Brown 500d7899447SLen Brown /* Avg_MHz */ 501fc04cc67SLen Brown if (has_aperf) 502fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 503fc04cc67SLen Brown 1.0 / units * t->aperf / interval_float); 504fc04cc67SLen Brown 505d7899447SLen Brown /* %Busy */ 506d7899447SLen Brown if (has_aperf) { 507103a8feaSLen Brown if (!skip_c0) 508*a2b7b749SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * t->mperf/t->tsc/tsc_tweak); 509103a8feaSLen Brown else 510fc04cc67SLen Brown outp += sprintf(outp, "********"); 511103a8feaSLen Brown } 512103a8feaSLen Brown 513d7899447SLen Brown /* Bzy_MHz */ 514fc04cc67SLen Brown if (has_aperf) 515fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 516*a2b7b749SLen Brown 1.0 * t->tsc * tsc_tweak / units * t->aperf / t->mperf / interval_float); 517103a8feaSLen Brown 518d7899447SLen Brown /* TSC_MHz */ 519fc04cc67SLen Brown outp += sprintf(outp, "%8.0f", 1.0 * t->tsc/units/interval_float); 520103a8feaSLen Brown 5218e180f3cSLen Brown /* delta */ 5228e180f3cSLen Brown if (extra_delta_offset32) 5238e180f3cSLen Brown outp += sprintf(outp, " %11llu", t->extra_delta32); 5248e180f3cSLen Brown 5258e180f3cSLen Brown /* DELTA */ 5268e180f3cSLen Brown if (extra_delta_offset64) 5278e180f3cSLen Brown outp += sprintf(outp, " %11llu", t->extra_delta64); 5282f32edf1SLen Brown /* msr */ 5292f32edf1SLen Brown if (extra_msr_offset32) 5308e180f3cSLen Brown outp += sprintf(outp, " 0x%08llx", t->extra_msr32); 5312f32edf1SLen Brown 532130ff304SLen Brown /* MSR */ 5332f32edf1SLen Brown if (extra_msr_offset64) 5342f32edf1SLen Brown outp += sprintf(outp, " 0x%016llx", t->extra_msr64); 535130ff304SLen Brown 5361cc21f7bSLen Brown if (!debug) 5371cc21f7bSLen Brown goto done; 5381cc21f7bSLen Brown 5391cc21f7bSLen Brown /* SMI */ 5401cc21f7bSLen Brown if (do_smi) 5411cc21f7bSLen Brown outp += sprintf(outp, "%8d", t->smi_count); 5421cc21f7bSLen Brown 543103a8feaSLen Brown if (do_nhm_cstates) { 544103a8feaSLen Brown if (!skip_c1) 545fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * t->c1/t->tsc); 546103a8feaSLen Brown else 547fc04cc67SLen Brown outp += sprintf(outp, "********"); 548103a8feaSLen Brown } 549c98d5d94SLen Brown 550c98d5d94SLen Brown /* print per-core data only for 1st thread in core */ 551c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 552c98d5d94SLen Brown goto done; 553c98d5d94SLen Brown 554fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) 555fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c3/t->tsc); 556103a8feaSLen Brown if (do_nhm_cstates) 557fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c6/t->tsc); 558103a8feaSLen Brown if (do_snb_cstates) 559fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * c->c7/t->tsc); 560c98d5d94SLen Brown 561889facbeSLen Brown if (do_dts) 562fc04cc67SLen Brown outp += sprintf(outp, "%8d", c->core_temp_c); 563889facbeSLen Brown 564c98d5d94SLen Brown /* print per-package data only for 1st core in package */ 565c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 566c98d5d94SLen Brown goto done; 567c98d5d94SLen Brown 5680b2bb692SLen Brown /* PkgTmp */ 569889facbeSLen Brown if (do_ptm) 570fc04cc67SLen Brown outp += sprintf(outp, "%8d", p->pkg_temp_c); 571889facbeSLen Brown 5720b2bb692SLen Brown /* Totl%C0, Any%C0 GFX%C0 CPUGFX% */ 5730b2bb692SLen Brown if (do_skl_residency) { 5740b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_wtd_core_c0/t->tsc); 5750b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_core_c0/t->tsc); 5760b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_any_gfxe_c0/t->tsc); 5770b2bb692SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pkg_both_core_gfxe_c0/t->tsc); 5780b2bb692SLen Brown } 5790b2bb692SLen Brown 580ee7e38e3SLen Brown if (do_pc2) 581fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc2/t->tsc); 582ee7e38e3SLen Brown if (do_pc3) 583fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc3/t->tsc); 584ee7e38e3SLen Brown if (do_pc6) 585fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc6/t->tsc); 586ee7e38e3SLen Brown if (do_pc7) 587fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc7/t->tsc); 588ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 589fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc8/t->tsc); 590fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc9/t->tsc); 591fc04cc67SLen Brown outp += sprintf(outp, "%8.2f", 100.0 * p->pc10/t->tsc); 592ca58710fSKristen Carlson Accardi } 593889facbeSLen Brown 594889facbeSLen Brown /* 595889facbeSLen Brown * If measurement interval exceeds minimum RAPL Joule Counter range, 596889facbeSLen Brown * indicate that results are suspect by printing "**" in fraction place. 597889facbeSLen Brown */ 598fc04cc67SLen Brown if (interval_float < rapl_joule_counter_range) 599fc04cc67SLen Brown fmt8 = "%8.2f"; 600fc04cc67SLen Brown else 601fc04cc67SLen Brown fmt8 = " %6.0f**"; 602889facbeSLen Brown 6035c56be9aSDirk Brandewie if (do_rapl && !rapl_joules) { 604889facbeSLen Brown if (do_rapl & RAPL_PKG) 605fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float); 606889facbeSLen Brown if (do_rapl & RAPL_CORES) 607fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float); 608889facbeSLen Brown if (do_rapl & RAPL_GFX) 609fc04cc67SLen Brown outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float); 610889facbeSLen Brown if (do_rapl & RAPL_DRAM) 61140ee8e3bSAndrey Semin outp += sprintf(outp, fmt8, p->energy_dram * rapl_dram_energy_units / interval_float); 612889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) 613fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 614889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) 615fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 616d7899447SLen Brown } else if (do_rapl && rapl_joules) { 6175c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG) 618fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6195c56be9aSDirk Brandewie p->energy_pkg * rapl_energy_units); 6205c56be9aSDirk Brandewie if (do_rapl & RAPL_CORES) 621fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6225c56be9aSDirk Brandewie p->energy_cores * rapl_energy_units); 6235c56be9aSDirk Brandewie if (do_rapl & RAPL_GFX) 624fc04cc67SLen Brown outp += sprintf(outp, fmt8, 6255c56be9aSDirk Brandewie p->energy_gfx * rapl_energy_units); 6265c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM) 627fc04cc67SLen Brown outp += sprintf(outp, fmt8, 62840ee8e3bSAndrey Semin p->energy_dram * rapl_dram_energy_units); 6295c56be9aSDirk Brandewie if (do_rapl & RAPL_PKG_PERF_STATUS) 630fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float); 6315c56be9aSDirk Brandewie if (do_rapl & RAPL_DRAM_PERF_STATUS) 632fc04cc67SLen Brown outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float); 633889facbeSLen Brown 634d7899447SLen Brown outp += sprintf(outp, fmt8, interval_float); 6355c56be9aSDirk Brandewie } 636c98d5d94SLen Brown done: 637c98d5d94SLen Brown outp += sprintf(outp, "\n"); 638c98d5d94SLen Brown 639c98d5d94SLen Brown return 0; 640103a8feaSLen Brown } 641103a8feaSLen Brown 642c98d5d94SLen Brown void flush_stdout() 643103a8feaSLen Brown { 644c98d5d94SLen Brown fputs(output_buffer, stdout); 645ddac0d68SLen Brown fflush(stdout); 646c98d5d94SLen Brown outp = output_buffer; 647c98d5d94SLen Brown } 648c98d5d94SLen Brown void flush_stderr() 649c98d5d94SLen Brown { 650c98d5d94SLen Brown fputs(output_buffer, stderr); 651c98d5d94SLen Brown outp = output_buffer; 652c98d5d94SLen Brown } 653c98d5d94SLen Brown void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 654c98d5d94SLen Brown { 655e23da037SLen Brown static int printed; 656103a8feaSLen Brown 657e23da037SLen Brown if (!printed || !summary_only) 658103a8feaSLen Brown print_header(); 659103a8feaSLen Brown 660c98d5d94SLen Brown if (topo.num_cpus > 1) 661c98d5d94SLen Brown format_counters(&average.threads, &average.cores, 662c98d5d94SLen Brown &average.packages); 663103a8feaSLen Brown 664e23da037SLen Brown printed = 1; 665e23da037SLen Brown 666e23da037SLen Brown if (summary_only) 667e23da037SLen Brown return; 668e23da037SLen Brown 669c98d5d94SLen Brown for_all_cpus(format_counters, t, c, p); 670103a8feaSLen Brown } 671103a8feaSLen Brown 672889facbeSLen Brown #define DELTA_WRAP32(new, old) \ 673889facbeSLen Brown if (new > old) { \ 674889facbeSLen Brown old = new - old; \ 675889facbeSLen Brown } else { \ 676889facbeSLen Brown old = 0x100000000 + new - old; \ 677889facbeSLen Brown } 678889facbeSLen Brown 679c98d5d94SLen Brown void 680c98d5d94SLen Brown delta_package(struct pkg_data *new, struct pkg_data *old) 681103a8feaSLen Brown { 6820b2bb692SLen Brown 6830b2bb692SLen Brown if (do_skl_residency) { 6840b2bb692SLen Brown old->pkg_wtd_core_c0 = new->pkg_wtd_core_c0 - old->pkg_wtd_core_c0; 6850b2bb692SLen Brown old->pkg_any_core_c0 = new->pkg_any_core_c0 - old->pkg_any_core_c0; 6860b2bb692SLen Brown old->pkg_any_gfxe_c0 = new->pkg_any_gfxe_c0 - old->pkg_any_gfxe_c0; 6870b2bb692SLen Brown old->pkg_both_core_gfxe_c0 = new->pkg_both_core_gfxe_c0 - old->pkg_both_core_gfxe_c0; 6880b2bb692SLen Brown } 689c98d5d94SLen Brown old->pc2 = new->pc2 - old->pc2; 690ee7e38e3SLen Brown if (do_pc3) 691c98d5d94SLen Brown old->pc3 = new->pc3 - old->pc3; 692ee7e38e3SLen Brown if (do_pc6) 693c98d5d94SLen Brown old->pc6 = new->pc6 - old->pc6; 694ee7e38e3SLen Brown if (do_pc7) 695c98d5d94SLen Brown old->pc7 = new->pc7 - old->pc7; 696ca58710fSKristen Carlson Accardi old->pc8 = new->pc8 - old->pc8; 697ca58710fSKristen Carlson Accardi old->pc9 = new->pc9 - old->pc9; 698ca58710fSKristen Carlson Accardi old->pc10 = new->pc10 - old->pc10; 699889facbeSLen Brown old->pkg_temp_c = new->pkg_temp_c; 700889facbeSLen Brown 701889facbeSLen Brown DELTA_WRAP32(new->energy_pkg, old->energy_pkg); 702889facbeSLen Brown DELTA_WRAP32(new->energy_cores, old->energy_cores); 703889facbeSLen Brown DELTA_WRAP32(new->energy_gfx, old->energy_gfx); 704889facbeSLen Brown DELTA_WRAP32(new->energy_dram, old->energy_dram); 705889facbeSLen Brown DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status); 706889facbeSLen Brown DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status); 707103a8feaSLen Brown } 708103a8feaSLen Brown 709c98d5d94SLen Brown void 710c98d5d94SLen Brown delta_core(struct core_data *new, struct core_data *old) 711c98d5d94SLen Brown { 712c98d5d94SLen Brown old->c3 = new->c3 - old->c3; 713c98d5d94SLen Brown old->c6 = new->c6 - old->c6; 714c98d5d94SLen Brown old->c7 = new->c7 - old->c7; 715889facbeSLen Brown old->core_temp_c = new->core_temp_c; 716103a8feaSLen Brown } 717c98d5d94SLen Brown 718c3ae331dSLen Brown /* 719c3ae331dSLen Brown * old = new - old 720c3ae331dSLen Brown */ 721c98d5d94SLen Brown void 722c98d5d94SLen Brown delta_thread(struct thread_data *new, struct thread_data *old, 723c98d5d94SLen Brown struct core_data *core_delta) 724c98d5d94SLen Brown { 725c98d5d94SLen Brown old->tsc = new->tsc - old->tsc; 726c98d5d94SLen Brown 727103a8feaSLen Brown /* check for TSC < 1 Mcycles over interval */ 728b2c95d90SJosh Triplett if (old->tsc < (1000 * 1000)) 729b2c95d90SJosh Triplett errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n" 730b2c95d90SJosh Triplett "You can disable all c-states by booting with \"idle=poll\"\n" 731b2c95d90SJosh Triplett "or just the deep ones with \"processor.max_cstate=1\""); 732103a8feaSLen Brown 733c98d5d94SLen Brown old->c1 = new->c1 - old->c1; 734c98d5d94SLen Brown 735a729617cSLen Brown if (has_aperf) { 736c98d5d94SLen Brown if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) { 737c98d5d94SLen Brown old->aperf = new->aperf - old->aperf; 738c98d5d94SLen Brown old->mperf = new->mperf - old->mperf; 739c98d5d94SLen Brown } else { 740c98d5d94SLen Brown 741103a8feaSLen Brown if (!aperf_mperf_unstable) { 742103a8feaSLen Brown fprintf(stderr, "%s: APERF or MPERF went backwards *\n", progname); 743103a8feaSLen Brown fprintf(stderr, "* Frequency results do not cover entire interval *\n"); 744103a8feaSLen Brown fprintf(stderr, "* fix this by running Linux-2.6.30 or later *\n"); 745103a8feaSLen Brown 746103a8feaSLen Brown aperf_mperf_unstable = 1; 747103a8feaSLen Brown } 748103a8feaSLen Brown /* 749103a8feaSLen Brown * mperf delta is likely a huge "positive" number 750103a8feaSLen Brown * can not use it for calculating c0 time 751103a8feaSLen Brown */ 752103a8feaSLen Brown skip_c0 = 1; 753103a8feaSLen Brown skip_c1 = 1; 754103a8feaSLen Brown } 755a729617cSLen Brown } 756103a8feaSLen Brown 757c98d5d94SLen Brown 758144b44b1SLen Brown if (use_c1_residency_msr) { 759144b44b1SLen Brown /* 760144b44b1SLen Brown * Some models have a dedicated C1 residency MSR, 761144b44b1SLen Brown * which should be more accurate than the derivation below. 762144b44b1SLen Brown */ 763144b44b1SLen Brown } else { 764103a8feaSLen Brown /* 765c3ae331dSLen Brown * As counter collection is not atomic, 766c3ae331dSLen Brown * it is possible for mperf's non-halted cycles + idle states 767103a8feaSLen Brown * to exceed TSC's all cycles: show c1 = 0% in that case. 768103a8feaSLen Brown */ 769c3ae331dSLen Brown if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc) 770c98d5d94SLen Brown old->c1 = 0; 771c98d5d94SLen Brown else { 772c98d5d94SLen Brown /* normal case, derive c1 */ 773c98d5d94SLen Brown old->c1 = old->tsc - old->mperf - core_delta->c3 774c98d5d94SLen Brown - core_delta->c6 - core_delta->c7; 775c98d5d94SLen Brown } 776144b44b1SLen Brown } 777c3ae331dSLen Brown 778c98d5d94SLen Brown if (old->mperf == 0) { 779d8af6f5fSLen Brown if (debug > 1) fprintf(stderr, "cpu%d MPERF 0!\n", old->cpu_id); 780c98d5d94SLen Brown old->mperf = 1; /* divide by 0 protection */ 781c98d5d94SLen Brown } 782103a8feaSLen Brown 7838e180f3cSLen Brown old->extra_delta32 = new->extra_delta32 - old->extra_delta32; 7848e180f3cSLen Brown old->extra_delta32 &= 0xFFFFFFFF; 7858e180f3cSLen Brown 7868e180f3cSLen Brown old->extra_delta64 = new->extra_delta64 - old->extra_delta64; 7878e180f3cSLen Brown 788103a8feaSLen Brown /* 7898e180f3cSLen Brown * Extra MSR is just a snapshot, simply copy latest w/o subtracting 790103a8feaSLen Brown */ 7912f32edf1SLen Brown old->extra_msr32 = new->extra_msr32; 7922f32edf1SLen Brown old->extra_msr64 = new->extra_msr64; 7931ed51011SLen Brown 7941ed51011SLen Brown if (do_smi) 7951ed51011SLen Brown old->smi_count = new->smi_count - old->smi_count; 796103a8feaSLen Brown } 797c98d5d94SLen Brown 798c98d5d94SLen Brown int delta_cpu(struct thread_data *t, struct core_data *c, 799c98d5d94SLen Brown struct pkg_data *p, struct thread_data *t2, 800c98d5d94SLen Brown struct core_data *c2, struct pkg_data *p2) 801c98d5d94SLen Brown { 802c98d5d94SLen Brown /* calculate core delta only for 1st thread in core */ 803c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE) 804c98d5d94SLen Brown delta_core(c, c2); 805c98d5d94SLen Brown 806c98d5d94SLen Brown /* always calculate thread delta */ 807c98d5d94SLen Brown delta_thread(t, t2, c2); /* c2 is core delta */ 808c98d5d94SLen Brown 809c98d5d94SLen Brown /* calculate package delta only for 1st core in package */ 810c98d5d94SLen Brown if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE) 811c98d5d94SLen Brown delta_package(p, p2); 812c98d5d94SLen Brown 813103a8feaSLen Brown return 0; 814103a8feaSLen Brown } 815103a8feaSLen Brown 816c98d5d94SLen Brown void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 817103a8feaSLen Brown { 818c98d5d94SLen Brown t->tsc = 0; 819c98d5d94SLen Brown t->aperf = 0; 820c98d5d94SLen Brown t->mperf = 0; 821c98d5d94SLen Brown t->c1 = 0; 822103a8feaSLen Brown 8231ed51011SLen Brown t->smi_count = 0; 8248e180f3cSLen Brown t->extra_delta32 = 0; 8258e180f3cSLen Brown t->extra_delta64 = 0; 8268e180f3cSLen Brown 827c98d5d94SLen Brown /* tells format_counters to dump all fields from this set */ 828c98d5d94SLen Brown t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE; 829c98d5d94SLen Brown 830c98d5d94SLen Brown c->c3 = 0; 831c98d5d94SLen Brown c->c6 = 0; 832c98d5d94SLen Brown c->c7 = 0; 833889facbeSLen Brown c->core_temp_c = 0; 834c98d5d94SLen Brown 8350b2bb692SLen Brown p->pkg_wtd_core_c0 = 0; 8360b2bb692SLen Brown p->pkg_any_core_c0 = 0; 8370b2bb692SLen Brown p->pkg_any_gfxe_c0 = 0; 8380b2bb692SLen Brown p->pkg_both_core_gfxe_c0 = 0; 8390b2bb692SLen Brown 840c98d5d94SLen Brown p->pc2 = 0; 841ee7e38e3SLen Brown if (do_pc3) 842c98d5d94SLen Brown p->pc3 = 0; 843ee7e38e3SLen Brown if (do_pc6) 844c98d5d94SLen Brown p->pc6 = 0; 845ee7e38e3SLen Brown if (do_pc7) 846c98d5d94SLen Brown p->pc7 = 0; 847ca58710fSKristen Carlson Accardi p->pc8 = 0; 848ca58710fSKristen Carlson Accardi p->pc9 = 0; 849ca58710fSKristen Carlson Accardi p->pc10 = 0; 850889facbeSLen Brown 851889facbeSLen Brown p->energy_pkg = 0; 852889facbeSLen Brown p->energy_dram = 0; 853889facbeSLen Brown p->energy_cores = 0; 854889facbeSLen Brown p->energy_gfx = 0; 855889facbeSLen Brown p->rapl_pkg_perf_status = 0; 856889facbeSLen Brown p->rapl_dram_perf_status = 0; 857889facbeSLen Brown p->pkg_temp_c = 0; 858103a8feaSLen Brown } 859c98d5d94SLen Brown int sum_counters(struct thread_data *t, struct core_data *c, 860c98d5d94SLen Brown struct pkg_data *p) 861103a8feaSLen Brown { 862c98d5d94SLen Brown average.threads.tsc += t->tsc; 863c98d5d94SLen Brown average.threads.aperf += t->aperf; 864c98d5d94SLen Brown average.threads.mperf += t->mperf; 865c98d5d94SLen Brown average.threads.c1 += t->c1; 86615aaa346SLen Brown 8678e180f3cSLen Brown average.threads.extra_delta32 += t->extra_delta32; 8688e180f3cSLen Brown average.threads.extra_delta64 += t->extra_delta64; 8698e180f3cSLen Brown 870c98d5d94SLen Brown /* sum per-core values only for 1st thread in core */ 871c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 872c98d5d94SLen Brown return 0; 873c98d5d94SLen Brown 874c98d5d94SLen Brown average.cores.c3 += c->c3; 875c98d5d94SLen Brown average.cores.c6 += c->c6; 876c98d5d94SLen Brown average.cores.c7 += c->c7; 877c98d5d94SLen Brown 878889facbeSLen Brown average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c); 879889facbeSLen Brown 880c98d5d94SLen Brown /* sum per-pkg values only for 1st core in pkg */ 881c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 882c98d5d94SLen Brown return 0; 883c98d5d94SLen Brown 8840b2bb692SLen Brown if (do_skl_residency) { 8850b2bb692SLen Brown average.packages.pkg_wtd_core_c0 += p->pkg_wtd_core_c0; 8860b2bb692SLen Brown average.packages.pkg_any_core_c0 += p->pkg_any_core_c0; 8870b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 += p->pkg_any_gfxe_c0; 8880b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 += p->pkg_both_core_gfxe_c0; 8890b2bb692SLen Brown } 8900b2bb692SLen Brown 891c98d5d94SLen Brown average.packages.pc2 += p->pc2; 892ee7e38e3SLen Brown if (do_pc3) 893c98d5d94SLen Brown average.packages.pc3 += p->pc3; 894ee7e38e3SLen Brown if (do_pc6) 895c98d5d94SLen Brown average.packages.pc6 += p->pc6; 896ee7e38e3SLen Brown if (do_pc7) 897c98d5d94SLen Brown average.packages.pc7 += p->pc7; 898ca58710fSKristen Carlson Accardi average.packages.pc8 += p->pc8; 899ca58710fSKristen Carlson Accardi average.packages.pc9 += p->pc9; 900ca58710fSKristen Carlson Accardi average.packages.pc10 += p->pc10; 901c98d5d94SLen Brown 902889facbeSLen Brown average.packages.energy_pkg += p->energy_pkg; 903889facbeSLen Brown average.packages.energy_dram += p->energy_dram; 904889facbeSLen Brown average.packages.energy_cores += p->energy_cores; 905889facbeSLen Brown average.packages.energy_gfx += p->energy_gfx; 906889facbeSLen Brown 907889facbeSLen Brown average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c); 908889facbeSLen Brown 909889facbeSLen Brown average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status; 910889facbeSLen Brown average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status; 911c98d5d94SLen Brown return 0; 912c98d5d94SLen Brown } 913c98d5d94SLen Brown /* 914c98d5d94SLen Brown * sum the counters for all cpus in the system 915c98d5d94SLen Brown * compute the weighted average 916c98d5d94SLen Brown */ 917c98d5d94SLen Brown void compute_average(struct thread_data *t, struct core_data *c, 918c98d5d94SLen Brown struct pkg_data *p) 919c98d5d94SLen Brown { 920c98d5d94SLen Brown clear_counters(&average.threads, &average.cores, &average.packages); 921c98d5d94SLen Brown 922c98d5d94SLen Brown for_all_cpus(sum_counters, t, c, p); 923c98d5d94SLen Brown 924c98d5d94SLen Brown average.threads.tsc /= topo.num_cpus; 925c98d5d94SLen Brown average.threads.aperf /= topo.num_cpus; 926c98d5d94SLen Brown average.threads.mperf /= topo.num_cpus; 927c98d5d94SLen Brown average.threads.c1 /= topo.num_cpus; 928c98d5d94SLen Brown 9298e180f3cSLen Brown average.threads.extra_delta32 /= topo.num_cpus; 9308e180f3cSLen Brown average.threads.extra_delta32 &= 0xFFFFFFFF; 9318e180f3cSLen Brown 9328e180f3cSLen Brown average.threads.extra_delta64 /= topo.num_cpus; 9338e180f3cSLen Brown 934c98d5d94SLen Brown average.cores.c3 /= topo.num_cores; 935c98d5d94SLen Brown average.cores.c6 /= topo.num_cores; 936c98d5d94SLen Brown average.cores.c7 /= topo.num_cores; 937c98d5d94SLen Brown 9380b2bb692SLen Brown if (do_skl_residency) { 9390b2bb692SLen Brown average.packages.pkg_wtd_core_c0 /= topo.num_packages; 9400b2bb692SLen Brown average.packages.pkg_any_core_c0 /= topo.num_packages; 9410b2bb692SLen Brown average.packages.pkg_any_gfxe_c0 /= topo.num_packages; 9420b2bb692SLen Brown average.packages.pkg_both_core_gfxe_c0 /= topo.num_packages; 9430b2bb692SLen Brown } 9440b2bb692SLen Brown 945c98d5d94SLen Brown average.packages.pc2 /= topo.num_packages; 946ee7e38e3SLen Brown if (do_pc3) 947c98d5d94SLen Brown average.packages.pc3 /= topo.num_packages; 948ee7e38e3SLen Brown if (do_pc6) 949c98d5d94SLen Brown average.packages.pc6 /= topo.num_packages; 950ee7e38e3SLen Brown if (do_pc7) 951c98d5d94SLen Brown average.packages.pc7 /= topo.num_packages; 952ca58710fSKristen Carlson Accardi 953ca58710fSKristen Carlson Accardi average.packages.pc8 /= topo.num_packages; 954ca58710fSKristen Carlson Accardi average.packages.pc9 /= topo.num_packages; 955ca58710fSKristen Carlson Accardi average.packages.pc10 /= topo.num_packages; 956c98d5d94SLen Brown } 957c98d5d94SLen Brown 958c98d5d94SLen Brown static unsigned long long rdtsc(void) 959c98d5d94SLen Brown { 960c98d5d94SLen Brown unsigned int low, high; 961c98d5d94SLen Brown 962c98d5d94SLen Brown asm volatile("rdtsc" : "=a" (low), "=d" (high)); 963c98d5d94SLen Brown 964c98d5d94SLen Brown return low | ((unsigned long long)high) << 32; 965c98d5d94SLen Brown } 966c98d5d94SLen Brown 967c98d5d94SLen Brown 968c98d5d94SLen Brown /* 969c98d5d94SLen Brown * get_counters(...) 970c98d5d94SLen Brown * migrate to cpu 971c98d5d94SLen Brown * acquire and record local counters for that cpu 972c98d5d94SLen Brown */ 973c98d5d94SLen Brown int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) 974c98d5d94SLen Brown { 975c98d5d94SLen Brown int cpu = t->cpu_id; 976889facbeSLen Brown unsigned long long msr; 977c98d5d94SLen Brown 978e52966c0SLen Brown if (cpu_migrate(cpu)) { 979e52966c0SLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 98015aaa346SLen Brown return -1; 981e52966c0SLen Brown } 98215aaa346SLen Brown 983c98d5d94SLen Brown t->tsc = rdtsc(); /* we are running on local CPU of interest */ 98415aaa346SLen Brown 98515aaa346SLen Brown if (has_aperf) { 9869c63a650SLen Brown if (get_msr(cpu, MSR_IA32_APERF, &t->aperf)) 987c98d5d94SLen Brown return -3; 9889c63a650SLen Brown if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf)) 989c98d5d94SLen Brown return -4; 990b2b34dfeSHubert Chrzaniuk t->aperf = t->aperf * aperf_mperf_multiplier; 991b2b34dfeSHubert Chrzaniuk t->mperf = t->mperf * aperf_mperf_multiplier; 99288c3281fSLen Brown } 99388c3281fSLen Brown 9941ed51011SLen Brown if (do_smi) { 9951ed51011SLen Brown if (get_msr(cpu, MSR_SMI_COUNT, &msr)) 9961ed51011SLen Brown return -5; 9971ed51011SLen Brown t->smi_count = msr & 0xFFFFFFFF; 9981ed51011SLen Brown } 9998e180f3cSLen Brown if (extra_delta_offset32) { 1000889facbeSLen Brown if (get_msr(cpu, extra_delta_offset32, &msr)) 10012f32edf1SLen Brown return -5; 1002889facbeSLen Brown t->extra_delta32 = msr & 0xFFFFFFFF; 10038e180f3cSLen Brown } 10048e180f3cSLen Brown 10058e180f3cSLen Brown if (extra_delta_offset64) 10068e180f3cSLen Brown if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64)) 10078e180f3cSLen Brown return -5; 10088e180f3cSLen Brown 10098e180f3cSLen Brown if (extra_msr_offset32) { 1010889facbeSLen Brown if (get_msr(cpu, extra_msr_offset32, &msr)) 10118e180f3cSLen Brown return -5; 1012889facbeSLen Brown t->extra_msr32 = msr & 0xFFFFFFFF; 10138e180f3cSLen Brown } 10142f32edf1SLen Brown 10152f32edf1SLen Brown if (extra_msr_offset64) 10162f32edf1SLen Brown if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64)) 1017c98d5d94SLen Brown return -5; 1018c98d5d94SLen Brown 1019144b44b1SLen Brown if (use_c1_residency_msr) { 1020144b44b1SLen Brown if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1)) 1021144b44b1SLen Brown return -6; 1022144b44b1SLen Brown } 1023144b44b1SLen Brown 1024c98d5d94SLen Brown /* collect core counters only for 1st thread in core */ 1025c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 1026c98d5d94SLen Brown return 0; 1027c98d5d94SLen Brown 1028fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_slm_cstates && !do_knl_cstates) { 1029c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3)) 1030c98d5d94SLen Brown return -6; 1031144b44b1SLen Brown } 1032144b44b1SLen Brown 1033fb5d4327SDasaratharaman Chandramouli if (do_nhm_cstates && !do_knl_cstates) { 1034c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6)) 1035c98d5d94SLen Brown return -7; 1036fb5d4327SDasaratharaman Chandramouli } else if (do_knl_cstates) { 1037fb5d4327SDasaratharaman Chandramouli if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6)) 1038fb5d4327SDasaratharaman Chandramouli return -7; 1039103a8feaSLen Brown } 104015aaa346SLen Brown 104115aaa346SLen Brown if (do_snb_cstates) 1042c98d5d94SLen Brown if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7)) 1043c98d5d94SLen Brown return -8; 1044c98d5d94SLen Brown 1045889facbeSLen Brown if (do_dts) { 1046889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 1047889facbeSLen Brown return -9; 1048889facbeSLen Brown c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1049889facbeSLen Brown } 1050889facbeSLen Brown 1051889facbeSLen Brown 1052c98d5d94SLen Brown /* collect package counters only for 1st core in package */ 1053c98d5d94SLen Brown if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 1054c98d5d94SLen Brown return 0; 105515aaa346SLen Brown 10560b2bb692SLen Brown if (do_skl_residency) { 10570b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_WEIGHTED_CORE_C0_RES, &p->pkg_wtd_core_c0)) 10580b2bb692SLen Brown return -10; 10590b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_CORE_C0_RES, &p->pkg_any_core_c0)) 10600b2bb692SLen Brown return -11; 10610b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_ANY_GFXE_C0_RES, &p->pkg_any_gfxe_c0)) 10620b2bb692SLen Brown return -12; 10630b2bb692SLen Brown if (get_msr(cpu, MSR_PKG_BOTH_CORE_GFXE_C0_RES, &p->pkg_both_core_gfxe_c0)) 10640b2bb692SLen Brown return -13; 10650b2bb692SLen Brown } 1066ee7e38e3SLen Brown if (do_pc3) 1067c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3)) 1068c98d5d94SLen Brown return -9; 1069ee7e38e3SLen Brown if (do_pc6) 1070c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6)) 1071c98d5d94SLen Brown return -10; 1072ee7e38e3SLen Brown if (do_pc2) 1073c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2)) 1074c98d5d94SLen Brown return -11; 1075ee7e38e3SLen Brown if (do_pc7) 1076c98d5d94SLen Brown if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7)) 1077c98d5d94SLen Brown return -12; 1078ca58710fSKristen Carlson Accardi if (do_c8_c9_c10) { 1079ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8)) 1080ca58710fSKristen Carlson Accardi return -13; 1081ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9)) 1082ca58710fSKristen Carlson Accardi return -13; 1083ca58710fSKristen Carlson Accardi if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10)) 1084ca58710fSKristen Carlson Accardi return -13; 1085ca58710fSKristen Carlson Accardi } 1086889facbeSLen Brown if (do_rapl & RAPL_PKG) { 1087889facbeSLen Brown if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr)) 1088889facbeSLen Brown return -13; 1089889facbeSLen Brown p->energy_pkg = msr & 0xFFFFFFFF; 1090889facbeSLen Brown } 1091889facbeSLen Brown if (do_rapl & RAPL_CORES) { 1092889facbeSLen Brown if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr)) 1093889facbeSLen Brown return -14; 1094889facbeSLen Brown p->energy_cores = msr & 0xFFFFFFFF; 1095889facbeSLen Brown } 1096889facbeSLen Brown if (do_rapl & RAPL_DRAM) { 1097889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr)) 1098889facbeSLen Brown return -15; 1099889facbeSLen Brown p->energy_dram = msr & 0xFFFFFFFF; 1100889facbeSLen Brown } 1101889facbeSLen Brown if (do_rapl & RAPL_GFX) { 1102889facbeSLen Brown if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr)) 1103889facbeSLen Brown return -16; 1104889facbeSLen Brown p->energy_gfx = msr & 0xFFFFFFFF; 1105889facbeSLen Brown } 1106889facbeSLen Brown if (do_rapl & RAPL_PKG_PERF_STATUS) { 1107889facbeSLen Brown if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr)) 1108889facbeSLen Brown return -16; 1109889facbeSLen Brown p->rapl_pkg_perf_status = msr & 0xFFFFFFFF; 1110889facbeSLen Brown } 1111889facbeSLen Brown if (do_rapl & RAPL_DRAM_PERF_STATUS) { 1112889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr)) 1113889facbeSLen Brown return -16; 1114889facbeSLen Brown p->rapl_dram_perf_status = msr & 0xFFFFFFFF; 1115889facbeSLen Brown } 1116889facbeSLen Brown if (do_ptm) { 1117889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 1118889facbeSLen Brown return -17; 1119889facbeSLen Brown p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F); 1120889facbeSLen Brown } 112115aaa346SLen Brown return 0; 1122103a8feaSLen Brown } 1123103a8feaSLen Brown 1124ee7e38e3SLen Brown /* 1125ee7e38e3SLen Brown * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit: 1126ee7e38e3SLen Brown * If you change the values, note they are used both in comparisons 1127ee7e38e3SLen Brown * (>= PCL__7) and to index pkg_cstate_limit_strings[]. 1128ee7e38e3SLen Brown */ 1129ee7e38e3SLen Brown 1130ee7e38e3SLen Brown #define PCLUKN 0 /* Unknown */ 1131ee7e38e3SLen Brown #define PCLRSV 1 /* Reserved */ 1132ee7e38e3SLen Brown #define PCL__0 2 /* PC0 */ 1133ee7e38e3SLen Brown #define PCL__1 3 /* PC1 */ 1134ee7e38e3SLen Brown #define PCL__2 4 /* PC2 */ 1135ee7e38e3SLen Brown #define PCL__3 5 /* PC3 */ 1136ee7e38e3SLen Brown #define PCL__4 6 /* PC4 */ 1137ee7e38e3SLen Brown #define PCL__6 7 /* PC6 */ 1138ee7e38e3SLen Brown #define PCL_6N 8 /* PC6 No Retention */ 1139ee7e38e3SLen Brown #define PCL_6R 9 /* PC6 Retention */ 1140ee7e38e3SLen Brown #define PCL__7 10 /* PC7 */ 1141ee7e38e3SLen Brown #define PCL_7S 11 /* PC7 Shrink */ 11420b2bb692SLen Brown #define PCL__8 12 /* PC8 */ 11430b2bb692SLen Brown #define PCL__9 13 /* PC9 */ 11440b2bb692SLen Brown #define PCLUNL 14 /* Unlimited */ 1145ee7e38e3SLen Brown 1146ee7e38e3SLen Brown int pkg_cstate_limit = PCLUKN; 1147ee7e38e3SLen Brown char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2", 11480b2bb692SLen Brown "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "unlimited"}; 1149ee7e38e3SLen Brown 1150e9257f5fSLen Brown int nhm_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__3, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1151e9257f5fSLen Brown int snb_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCL__7, PCL_7S, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1152e9257f5fSLen Brown int hsw_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL__3, PCL__6, PCL__7, PCL_7S, PCL__8, PCL__9, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1153e9257f5fSLen Brown int slv_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1154e9257f5fSLen Brown int amt_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1155e9257f5fSLen Brown int phi_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV}; 1156ee7e38e3SLen Brown 1157*a2b7b749SLen Brown 1158*a2b7b749SLen Brown static void 1159*a2b7b749SLen Brown calculate_tsc_tweak() 1160*a2b7b749SLen Brown { 1161*a2b7b749SLen Brown unsigned long long msr; 1162*a2b7b749SLen Brown unsigned int base_ratio; 1163*a2b7b749SLen Brown 1164*a2b7b749SLen Brown get_msr(base_cpu, MSR_NHM_PLATFORM_INFO, &msr); 1165*a2b7b749SLen Brown base_ratio = (msr >> 8) & 0xFF; 1166*a2b7b749SLen Brown base_hz = base_ratio * bclk * 1000000; 1167*a2b7b749SLen Brown tsc_tweak = base_hz / tsc_hz; 1168*a2b7b749SLen Brown } 1169*a2b7b749SLen Brown 1170fcd17211SLen Brown static void 1171fcd17211SLen Brown dump_nhm_platform_info(void) 1172103a8feaSLen Brown { 1173103a8feaSLen Brown unsigned long long msr; 1174103a8feaSLen Brown unsigned int ratio; 1175103a8feaSLen Brown 11767ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_PLATFORM_INFO, &msr); 1177103a8feaSLen Brown 1178bfae2052SLen Brown fprintf(stderr, "cpu%d: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr); 11796574a5d5SLen Brown 1180103a8feaSLen Brown ratio = (msr >> 40) & 0xFF; 11818f61f359SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency frequency\n", 1182103a8feaSLen Brown ratio, bclk, ratio * bclk); 1183103a8feaSLen Brown 1184103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 11858f61f359SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz base frequency\n", 1186103a8feaSLen Brown ratio, bclk, ratio * bclk); 1187103a8feaSLen Brown 11887ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr); 1189bfae2052SLen Brown fprintf(stderr, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n", 1190bfae2052SLen Brown base_cpu, msr, msr & 0x2 ? "EN" : "DIS"); 119167920418SLen Brown 1192fcd17211SLen Brown return; 1193fcd17211SLen Brown } 1194fcd17211SLen Brown 1195fcd17211SLen Brown static void 1196fcd17211SLen Brown dump_hsw_turbo_ratio_limits(void) 1197fcd17211SLen Brown { 1198fcd17211SLen Brown unsigned long long msr; 1199fcd17211SLen Brown unsigned int ratio; 1200fcd17211SLen Brown 12017ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr); 1202fcd17211SLen Brown 1203bfae2052SLen Brown fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr); 1204fcd17211SLen Brown 1205fcd17211SLen Brown ratio = (msr >> 8) & 0xFF; 1206fcd17211SLen Brown if (ratio) 1207fcd17211SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 18 active cores\n", 1208fcd17211SLen Brown ratio, bclk, ratio * bclk); 1209fcd17211SLen Brown 1210fcd17211SLen Brown ratio = (msr >> 0) & 0xFF; 1211fcd17211SLen Brown if (ratio) 1212fcd17211SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 17 active cores\n", 1213fcd17211SLen Brown ratio, bclk, ratio * bclk); 1214fcd17211SLen Brown return; 1215fcd17211SLen Brown } 1216fcd17211SLen Brown 1217fcd17211SLen Brown static void 1218fcd17211SLen Brown dump_ivt_turbo_ratio_limits(void) 1219fcd17211SLen Brown { 1220fcd17211SLen Brown unsigned long long msr; 1221fcd17211SLen Brown unsigned int ratio; 12226574a5d5SLen Brown 12237ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr); 12246574a5d5SLen Brown 1225bfae2052SLen Brown fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr); 12266574a5d5SLen Brown 12276574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 12286574a5d5SLen Brown if (ratio) 12296574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 16 active cores\n", 12306574a5d5SLen Brown ratio, bclk, ratio * bclk); 12316574a5d5SLen Brown 12326574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 12336574a5d5SLen Brown if (ratio) 12346574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 15 active cores\n", 12356574a5d5SLen Brown ratio, bclk, ratio * bclk); 12366574a5d5SLen Brown 12376574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 12386574a5d5SLen Brown if (ratio) 12396574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 14 active cores\n", 12406574a5d5SLen Brown ratio, bclk, ratio * bclk); 12416574a5d5SLen Brown 12426574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 12436574a5d5SLen Brown if (ratio) 12446574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 13 active cores\n", 12456574a5d5SLen Brown ratio, bclk, ratio * bclk); 12466574a5d5SLen Brown 12476574a5d5SLen Brown ratio = (msr >> 24) & 0xFF; 12486574a5d5SLen Brown if (ratio) 12496574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 12 active cores\n", 12506574a5d5SLen Brown ratio, bclk, ratio * bclk); 12516574a5d5SLen Brown 12526574a5d5SLen Brown ratio = (msr >> 16) & 0xFF; 12536574a5d5SLen Brown if (ratio) 12546574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 11 active cores\n", 12556574a5d5SLen Brown ratio, bclk, ratio * bclk); 12566574a5d5SLen Brown 12576574a5d5SLen Brown ratio = (msr >> 8) & 0xFF; 12586574a5d5SLen Brown if (ratio) 12596574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 10 active cores\n", 12606574a5d5SLen Brown ratio, bclk, ratio * bclk); 12616574a5d5SLen Brown 12626574a5d5SLen Brown ratio = (msr >> 0) & 0xFF; 12636574a5d5SLen Brown if (ratio) 12646574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 9 active cores\n", 12656574a5d5SLen Brown ratio, bclk, ratio * bclk); 1266103a8feaSLen Brown return; 1267fcd17211SLen Brown } 1268fcd17211SLen Brown 1269fcd17211SLen Brown static void 1270fcd17211SLen Brown dump_nhm_turbo_ratio_limits(void) 1271fcd17211SLen Brown { 1272fcd17211SLen Brown unsigned long long msr; 1273fcd17211SLen Brown unsigned int ratio; 1274103a8feaSLen Brown 12757ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); 1276103a8feaSLen Brown 1277bfae2052SLen Brown fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr); 12786574a5d5SLen Brown 12796574a5d5SLen Brown ratio = (msr >> 56) & 0xFF; 12806574a5d5SLen Brown if (ratio) 12816574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 8 active cores\n", 12826574a5d5SLen Brown ratio, bclk, ratio * bclk); 12836574a5d5SLen Brown 12846574a5d5SLen Brown ratio = (msr >> 48) & 0xFF; 12856574a5d5SLen Brown if (ratio) 12866574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 7 active cores\n", 12876574a5d5SLen Brown ratio, bclk, ratio * bclk); 12886574a5d5SLen Brown 12896574a5d5SLen Brown ratio = (msr >> 40) & 0xFF; 12906574a5d5SLen Brown if (ratio) 12916574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 6 active cores\n", 12926574a5d5SLen Brown ratio, bclk, ratio * bclk); 12936574a5d5SLen Brown 12946574a5d5SLen Brown ratio = (msr >> 32) & 0xFF; 12956574a5d5SLen Brown if (ratio) 12966574a5d5SLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 5 active cores\n", 12976574a5d5SLen Brown ratio, bclk, ratio * bclk); 12986574a5d5SLen Brown 1299103a8feaSLen Brown ratio = (msr >> 24) & 0xFF; 1300103a8feaSLen Brown if (ratio) 1301103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 4 active cores\n", 1302103a8feaSLen Brown ratio, bclk, ratio * bclk); 1303103a8feaSLen Brown 1304103a8feaSLen Brown ratio = (msr >> 16) & 0xFF; 1305103a8feaSLen Brown if (ratio) 1306103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 3 active cores\n", 1307103a8feaSLen Brown ratio, bclk, ratio * bclk); 1308103a8feaSLen Brown 1309103a8feaSLen Brown ratio = (msr >> 8) & 0xFF; 1310103a8feaSLen Brown if (ratio) 1311103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 2 active cores\n", 1312103a8feaSLen Brown ratio, bclk, ratio * bclk); 1313103a8feaSLen Brown 1314103a8feaSLen Brown ratio = (msr >> 0) & 0xFF; 1315103a8feaSLen Brown if (ratio) 1316103a8feaSLen Brown fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 1 active cores\n", 1317103a8feaSLen Brown ratio, bclk, ratio * bclk); 1318fcd17211SLen Brown return; 1319fcd17211SLen Brown } 13203a9a941dSLen Brown 1321fcd17211SLen Brown static void 1322fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(void) 1323fb5d4327SDasaratharaman Chandramouli { 1324fb5d4327SDasaratharaman Chandramouli int cores; 1325fb5d4327SDasaratharaman Chandramouli unsigned int ratio; 1326fb5d4327SDasaratharaman Chandramouli unsigned long long msr; 1327fb5d4327SDasaratharaman Chandramouli int delta_cores; 1328fb5d4327SDasaratharaman Chandramouli int delta_ratio; 1329fb5d4327SDasaratharaman Chandramouli int i; 1330fb5d4327SDasaratharaman Chandramouli 13317ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_TURBO_RATIO_LIMIT, &msr); 1332fb5d4327SDasaratharaman Chandramouli 1333bfae2052SLen Brown fprintf(stderr, "cpu%d: MSR_NHM_TURBO_RATIO_LIMIT: 0x%08llx\n", 1334bfae2052SLen Brown base_cpu, msr); 1335fb5d4327SDasaratharaman Chandramouli 1336fb5d4327SDasaratharaman Chandramouli /** 1337fb5d4327SDasaratharaman Chandramouli * Turbo encoding in KNL is as follows: 1338fb5d4327SDasaratharaman Chandramouli * [7:0] -- Base value of number of active cores of bucket 1. 1339fb5d4327SDasaratharaman Chandramouli * [15:8] -- Base value of freq ratio of bucket 1. 1340fb5d4327SDasaratharaman Chandramouli * [20:16] -- +ve delta of number of active cores of bucket 2. 1341fb5d4327SDasaratharaman Chandramouli * i.e. active cores of bucket 2 = 1342fb5d4327SDasaratharaman Chandramouli * active cores of bucket 1 + delta 1343fb5d4327SDasaratharaman Chandramouli * [23:21] -- Negative delta of freq ratio of bucket 2. 1344fb5d4327SDasaratharaman Chandramouli * i.e. freq ratio of bucket 2 = 1345fb5d4327SDasaratharaman Chandramouli * freq ratio of bucket 1 - delta 1346fb5d4327SDasaratharaman Chandramouli * [28:24]-- +ve delta of number of active cores of bucket 3. 1347fb5d4327SDasaratharaman Chandramouli * [31:29]-- -ve delta of freq ratio of bucket 3. 1348fb5d4327SDasaratharaman Chandramouli * [36:32]-- +ve delta of number of active cores of bucket 4. 1349fb5d4327SDasaratharaman Chandramouli * [39:37]-- -ve delta of freq ratio of bucket 4. 1350fb5d4327SDasaratharaman Chandramouli * [44:40]-- +ve delta of number of active cores of bucket 5. 1351fb5d4327SDasaratharaman Chandramouli * [47:45]-- -ve delta of freq ratio of bucket 5. 1352fb5d4327SDasaratharaman Chandramouli * [52:48]-- +ve delta of number of active cores of bucket 6. 1353fb5d4327SDasaratharaman Chandramouli * [55:53]-- -ve delta of freq ratio of bucket 6. 1354fb5d4327SDasaratharaman Chandramouli * [60:56]-- +ve delta of number of active cores of bucket 7. 1355fb5d4327SDasaratharaman Chandramouli * [63:61]-- -ve delta of freq ratio of bucket 7. 1356fb5d4327SDasaratharaman Chandramouli */ 1357fb5d4327SDasaratharaman Chandramouli cores = msr & 0xFF; 1358fb5d4327SDasaratharaman Chandramouli ratio = (msr >> 8) && 0xFF; 1359fb5d4327SDasaratharaman Chandramouli if (ratio > 0) 1360fb5d4327SDasaratharaman Chandramouli fprintf(stderr, 1361fb5d4327SDasaratharaman Chandramouli "%d * %.0f = %.0f MHz max turbo %d active cores\n", 1362fb5d4327SDasaratharaman Chandramouli ratio, bclk, ratio * bclk, cores); 1363fb5d4327SDasaratharaman Chandramouli 1364fb5d4327SDasaratharaman Chandramouli for (i = 16; i < 64; i = i + 8) { 1365fb5d4327SDasaratharaman Chandramouli delta_cores = (msr >> i) & 0x1F; 1366fb5d4327SDasaratharaman Chandramouli delta_ratio = (msr >> (i + 5)) && 0x7; 1367fb5d4327SDasaratharaman Chandramouli if (!delta_cores || !delta_ratio) 1368fb5d4327SDasaratharaman Chandramouli return; 1369fb5d4327SDasaratharaman Chandramouli cores = cores + delta_cores; 1370fb5d4327SDasaratharaman Chandramouli ratio = ratio - delta_ratio; 1371fb5d4327SDasaratharaman Chandramouli 1372fb5d4327SDasaratharaman Chandramouli /** -ve ratios will make successive ratio calculations 1373fb5d4327SDasaratharaman Chandramouli * negative. Hence return instead of carrying on. 1374fb5d4327SDasaratharaman Chandramouli */ 1375fb5d4327SDasaratharaman Chandramouli if (ratio > 0) 1376fb5d4327SDasaratharaman Chandramouli fprintf(stderr, 1377fb5d4327SDasaratharaman Chandramouli "%d * %.0f = %.0f MHz max turbo %d active cores\n", 1378fb5d4327SDasaratharaman Chandramouli ratio, bclk, ratio * bclk, cores); 1379fb5d4327SDasaratharaman Chandramouli } 1380fb5d4327SDasaratharaman Chandramouli } 1381fb5d4327SDasaratharaman Chandramouli 1382fb5d4327SDasaratharaman Chandramouli static void 1383fcd17211SLen Brown dump_nhm_cst_cfg(void) 1384fcd17211SLen Brown { 1385fcd17211SLen Brown unsigned long long msr; 1386fcd17211SLen Brown 13877ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 1388fcd17211SLen Brown 1389fcd17211SLen Brown #define SNB_C1_AUTO_UNDEMOTE (1UL << 27) 1390fcd17211SLen Brown #define SNB_C3_AUTO_UNDEMOTE (1UL << 28) 1391fcd17211SLen Brown 1392bfae2052SLen Brown fprintf(stderr, "cpu%d: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", base_cpu, msr); 1393fcd17211SLen Brown 1394fcd17211SLen Brown fprintf(stderr, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n", 1395fcd17211SLen Brown (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "", 1396fcd17211SLen Brown (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "", 1397fcd17211SLen Brown (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "", 1398fcd17211SLen Brown (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "", 1399fcd17211SLen Brown (msr & (1 << 15)) ? "" : "UN", 1400fcd17211SLen Brown (unsigned int)msr & 7, 1401fcd17211SLen Brown pkg_cstate_limit_strings[pkg_cstate_limit]); 1402fcd17211SLen Brown return; 1403103a8feaSLen Brown } 1404103a8feaSLen Brown 14056fb3143bSLen Brown static void 14066fb3143bSLen Brown dump_config_tdp(void) 14076fb3143bSLen Brown { 14086fb3143bSLen Brown unsigned long long msr; 14096fb3143bSLen Brown 14106fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr); 14116fb3143bSLen Brown fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr); 14126fb3143bSLen Brown fprintf(stderr, " (base_ratio=%d)\n", (unsigned int)msr & 0xEF); 14136fb3143bSLen Brown 14146fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr); 14156fb3143bSLen Brown fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr); 14166fb3143bSLen Brown if (msr) { 14176fb3143bSLen Brown fprintf(stderr, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0xEFFF); 14186fb3143bSLen Brown fprintf(stderr, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0xEFFF); 14196fb3143bSLen Brown fprintf(stderr, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xEF); 14206fb3143bSLen Brown fprintf(stderr, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0xEFFF); 14216fb3143bSLen Brown } 14226fb3143bSLen Brown fprintf(stderr, ")\n"); 14236fb3143bSLen Brown 14246fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr); 14256fb3143bSLen Brown fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr); 14266fb3143bSLen Brown if (msr) { 14276fb3143bSLen Brown fprintf(stderr, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0xEFFF); 14286fb3143bSLen Brown fprintf(stderr, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0xEFFF); 14296fb3143bSLen Brown fprintf(stderr, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xEF); 14306fb3143bSLen Brown fprintf(stderr, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0xEFFF); 14316fb3143bSLen Brown } 14326fb3143bSLen Brown fprintf(stderr, ")\n"); 14336fb3143bSLen Brown 14346fb3143bSLen Brown get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr); 14356fb3143bSLen Brown fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr); 14366fb3143bSLen Brown if ((msr) & 0x3) 14376fb3143bSLen Brown fprintf(stderr, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3); 14386fb3143bSLen Brown fprintf(stderr, " lock=%d", (unsigned int)(msr >> 31) & 1); 14396fb3143bSLen Brown fprintf(stderr, ")\n"); 14406fb3143bSLen Brown 14416fb3143bSLen Brown get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr); 14426fb3143bSLen Brown fprintf(stderr, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr); 14436fb3143bSLen Brown fprintf(stderr, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0xEF); 14446fb3143bSLen Brown fprintf(stderr, " lock=%d", (unsigned int)(msr >> 31) & 1); 14456fb3143bSLen Brown fprintf(stderr, ")\n"); 14466fb3143bSLen Brown } 14476fb3143bSLen Brown 1448c98d5d94SLen Brown void free_all_buffers(void) 1449103a8feaSLen Brown { 1450c98d5d94SLen Brown CPU_FREE(cpu_present_set); 1451c98d5d94SLen Brown cpu_present_set = NULL; 1452c98d5d94SLen Brown cpu_present_set = 0; 1453103a8feaSLen Brown 1454c98d5d94SLen Brown CPU_FREE(cpu_affinity_set); 1455c98d5d94SLen Brown cpu_affinity_set = NULL; 1456c98d5d94SLen Brown cpu_affinity_setsize = 0; 1457103a8feaSLen Brown 1458c98d5d94SLen Brown free(thread_even); 1459c98d5d94SLen Brown free(core_even); 1460c98d5d94SLen Brown free(package_even); 1461103a8feaSLen Brown 1462c98d5d94SLen Brown thread_even = NULL; 1463c98d5d94SLen Brown core_even = NULL; 1464c98d5d94SLen Brown package_even = NULL; 1465103a8feaSLen Brown 1466c98d5d94SLen Brown free(thread_odd); 1467c98d5d94SLen Brown free(core_odd); 1468c98d5d94SLen Brown free(package_odd); 1469103a8feaSLen Brown 1470c98d5d94SLen Brown thread_odd = NULL; 1471c98d5d94SLen Brown core_odd = NULL; 1472c98d5d94SLen Brown package_odd = NULL; 1473103a8feaSLen Brown 1474c98d5d94SLen Brown free(output_buffer); 1475c98d5d94SLen Brown output_buffer = NULL; 1476c98d5d94SLen Brown outp = NULL; 1477103a8feaSLen Brown } 1478103a8feaSLen Brown 1479103a8feaSLen Brown /* 148057a42a34SJosh Triplett * Open a file, and exit on failure 148157a42a34SJosh Triplett */ 148257a42a34SJosh Triplett FILE *fopen_or_die(const char *path, const char *mode) 148357a42a34SJosh Triplett { 148457a42a34SJosh Triplett FILE *filep = fopen(path, "r"); 1485b2c95d90SJosh Triplett if (!filep) 1486b2c95d90SJosh Triplett err(1, "%s: open failed", path); 148757a42a34SJosh Triplett return filep; 148857a42a34SJosh Triplett } 148957a42a34SJosh Triplett 149057a42a34SJosh Triplett /* 149195aebc44SJosh Triplett * Parse a file containing a single int. 149295aebc44SJosh Triplett */ 149395aebc44SJosh Triplett int parse_int_file(const char *fmt, ...) 149495aebc44SJosh Triplett { 149595aebc44SJosh Triplett va_list args; 149695aebc44SJosh Triplett char path[PATH_MAX]; 149795aebc44SJosh Triplett FILE *filep; 149895aebc44SJosh Triplett int value; 149995aebc44SJosh Triplett 150095aebc44SJosh Triplett va_start(args, fmt); 150195aebc44SJosh Triplett vsnprintf(path, sizeof(path), fmt, args); 150295aebc44SJosh Triplett va_end(args); 150357a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1504b2c95d90SJosh Triplett if (fscanf(filep, "%d", &value) != 1) 1505b2c95d90SJosh Triplett err(1, "%s: failed to parse number from file", path); 150695aebc44SJosh Triplett fclose(filep); 150795aebc44SJosh Triplett return value; 150895aebc44SJosh Triplett } 150995aebc44SJosh Triplett 151095aebc44SJosh Triplett /* 1511e275b388SDasaratharaman Chandramouli * get_cpu_position_in_core(cpu) 1512e275b388SDasaratharaman Chandramouli * return the position of the CPU among its HT siblings in the core 1513e275b388SDasaratharaman Chandramouli * return -1 if the sibling is not in list 1514103a8feaSLen Brown */ 1515e275b388SDasaratharaman Chandramouli int get_cpu_position_in_core(int cpu) 1516103a8feaSLen Brown { 1517e275b388SDasaratharaman Chandramouli char path[64]; 1518e275b388SDasaratharaman Chandramouli FILE *filep; 1519e275b388SDasaratharaman Chandramouli int this_cpu; 1520e275b388SDasaratharaman Chandramouli char character; 1521e275b388SDasaratharaman Chandramouli int i; 1522e275b388SDasaratharaman Chandramouli 1523e275b388SDasaratharaman Chandramouli sprintf(path, 1524e275b388SDasaratharaman Chandramouli "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", 1525e275b388SDasaratharaman Chandramouli cpu); 1526e275b388SDasaratharaman Chandramouli filep = fopen(path, "r"); 1527e275b388SDasaratharaman Chandramouli if (filep == NULL) { 1528e275b388SDasaratharaman Chandramouli perror(path); 1529e275b388SDasaratharaman Chandramouli exit(1); 1530e275b388SDasaratharaman Chandramouli } 1531e275b388SDasaratharaman Chandramouli 1532e275b388SDasaratharaman Chandramouli for (i = 0; i < topo.num_threads_per_core; i++) { 1533e275b388SDasaratharaman Chandramouli fscanf(filep, "%d", &this_cpu); 1534e275b388SDasaratharaman Chandramouli if (this_cpu == cpu) { 1535e275b388SDasaratharaman Chandramouli fclose(filep); 1536e275b388SDasaratharaman Chandramouli return i; 1537e275b388SDasaratharaman Chandramouli } 1538e275b388SDasaratharaman Chandramouli 1539e275b388SDasaratharaman Chandramouli /* Account for no separator after last thread*/ 1540e275b388SDasaratharaman Chandramouli if (i != (topo.num_threads_per_core - 1)) 1541e275b388SDasaratharaman Chandramouli fscanf(filep, "%c", &character); 1542e275b388SDasaratharaman Chandramouli } 1543e275b388SDasaratharaman Chandramouli 1544e275b388SDasaratharaman Chandramouli fclose(filep); 1545e275b388SDasaratharaman Chandramouli return -1; 1546c98d5d94SLen Brown } 1547103a8feaSLen Brown 1548c98d5d94SLen Brown /* 1549c98d5d94SLen Brown * cpu_is_first_core_in_package(cpu) 1550c98d5d94SLen Brown * return 1 if given CPU is 1st core in package 1551c98d5d94SLen Brown */ 1552c98d5d94SLen Brown int cpu_is_first_core_in_package(int cpu) 1553c98d5d94SLen Brown { 155495aebc44SJosh Triplett return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu); 1555103a8feaSLen Brown } 1556103a8feaSLen Brown 1557103a8feaSLen Brown int get_physical_package_id(int cpu) 1558103a8feaSLen Brown { 155995aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu); 1560103a8feaSLen Brown } 1561103a8feaSLen Brown 1562103a8feaSLen Brown int get_core_id(int cpu) 1563103a8feaSLen Brown { 156495aebc44SJosh Triplett return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu); 1565103a8feaSLen Brown } 1566103a8feaSLen Brown 1567c98d5d94SLen Brown int get_num_ht_siblings(int cpu) 1568c98d5d94SLen Brown { 1569c98d5d94SLen Brown char path[80]; 1570c98d5d94SLen Brown FILE *filep; 1571e275b388SDasaratharaman Chandramouli int sib1; 1572e275b388SDasaratharaman Chandramouli int matches = 0; 1573c98d5d94SLen Brown char character; 1574e275b388SDasaratharaman Chandramouli char str[100]; 1575e275b388SDasaratharaman Chandramouli char *ch; 1576c98d5d94SLen Brown 1577c98d5d94SLen Brown sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu); 157857a42a34SJosh Triplett filep = fopen_or_die(path, "r"); 1579e275b388SDasaratharaman Chandramouli 1580103a8feaSLen Brown /* 1581c98d5d94SLen Brown * file format: 1582e275b388SDasaratharaman Chandramouli * A ',' separated or '-' separated set of numbers 1583e275b388SDasaratharaman Chandramouli * (eg 1-2 or 1,3,4,5) 1584c98d5d94SLen Brown */ 1585e275b388SDasaratharaman Chandramouli fscanf(filep, "%d%c\n", &sib1, &character); 1586e275b388SDasaratharaman Chandramouli fseek(filep, 0, SEEK_SET); 1587e275b388SDasaratharaman Chandramouli fgets(str, 100, filep); 1588e275b388SDasaratharaman Chandramouli ch = strchr(str, character); 1589e275b388SDasaratharaman Chandramouli while (ch != NULL) { 1590e275b388SDasaratharaman Chandramouli matches++; 1591e275b388SDasaratharaman Chandramouli ch = strchr(ch+1, character); 1592e275b388SDasaratharaman Chandramouli } 1593c98d5d94SLen Brown 1594c98d5d94SLen Brown fclose(filep); 1595e275b388SDasaratharaman Chandramouli return matches+1; 1596c98d5d94SLen Brown } 1597c98d5d94SLen Brown 1598c98d5d94SLen Brown /* 1599c98d5d94SLen Brown * run func(thread, core, package) in topology order 1600c98d5d94SLen Brown * skip non-present cpus 1601103a8feaSLen Brown */ 1602103a8feaSLen Brown 1603c98d5d94SLen Brown int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *, 1604c98d5d94SLen Brown struct pkg_data *, struct thread_data *, struct core_data *, 1605c98d5d94SLen Brown struct pkg_data *), struct thread_data *thread_base, 1606c98d5d94SLen Brown struct core_data *core_base, struct pkg_data *pkg_base, 1607c98d5d94SLen Brown struct thread_data *thread_base2, struct core_data *core_base2, 1608c98d5d94SLen Brown struct pkg_data *pkg_base2) 1609c98d5d94SLen Brown { 1610c98d5d94SLen Brown int retval, pkg_no, core_no, thread_no; 1611c98d5d94SLen Brown 1612c98d5d94SLen Brown for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) { 1613c98d5d94SLen Brown for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) { 1614c98d5d94SLen Brown for (thread_no = 0; thread_no < 1615c98d5d94SLen Brown topo.num_threads_per_core; ++thread_no) { 1616c98d5d94SLen Brown struct thread_data *t, *t2; 1617c98d5d94SLen Brown struct core_data *c, *c2; 1618c98d5d94SLen Brown struct pkg_data *p, *p2; 1619c98d5d94SLen Brown 1620c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_no, core_no, pkg_no); 1621c98d5d94SLen Brown 1622c98d5d94SLen Brown if (cpu_is_not_present(t->cpu_id)) 1623c98d5d94SLen Brown continue; 1624c98d5d94SLen Brown 1625c98d5d94SLen Brown t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no); 1626c98d5d94SLen Brown 1627c98d5d94SLen Brown c = GET_CORE(core_base, core_no, pkg_no); 1628c98d5d94SLen Brown c2 = GET_CORE(core_base2, core_no, pkg_no); 1629c98d5d94SLen Brown 1630c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_no); 1631c98d5d94SLen Brown p2 = GET_PKG(pkg_base2, pkg_no); 1632c98d5d94SLen Brown 1633c98d5d94SLen Brown retval = func(t, c, p, t2, c2, p2); 1634c98d5d94SLen Brown if (retval) 1635c98d5d94SLen Brown return retval; 1636c98d5d94SLen Brown } 1637c98d5d94SLen Brown } 1638c98d5d94SLen Brown } 1639c98d5d94SLen Brown return 0; 1640c98d5d94SLen Brown } 1641c98d5d94SLen Brown 1642c98d5d94SLen Brown /* 1643c98d5d94SLen Brown * run func(cpu) on every cpu in /proc/stat 1644c98d5d94SLen Brown * return max_cpu number 1645c98d5d94SLen Brown */ 1646c98d5d94SLen Brown int for_all_proc_cpus(int (func)(int)) 1647103a8feaSLen Brown { 1648103a8feaSLen Brown FILE *fp; 1649c98d5d94SLen Brown int cpu_num; 1650103a8feaSLen Brown int retval; 1651103a8feaSLen Brown 165257a42a34SJosh Triplett fp = fopen_or_die(proc_stat, "r"); 1653103a8feaSLen Brown 1654103a8feaSLen Brown retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n"); 1655b2c95d90SJosh Triplett if (retval != 0) 1656b2c95d90SJosh Triplett err(1, "%s: failed to parse format", proc_stat); 1657103a8feaSLen Brown 1658c98d5d94SLen Brown while (1) { 1659c98d5d94SLen Brown retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num); 1660103a8feaSLen Brown if (retval != 1) 1661103a8feaSLen Brown break; 1662103a8feaSLen Brown 1663c98d5d94SLen Brown retval = func(cpu_num); 1664c98d5d94SLen Brown if (retval) { 1665c98d5d94SLen Brown fclose(fp); 1666c98d5d94SLen Brown return(retval); 1667c98d5d94SLen Brown } 1668103a8feaSLen Brown } 1669103a8feaSLen Brown fclose(fp); 1670c98d5d94SLen Brown return 0; 1671103a8feaSLen Brown } 1672103a8feaSLen Brown 1673103a8feaSLen Brown void re_initialize(void) 1674103a8feaSLen Brown { 1675c98d5d94SLen Brown free_all_buffers(); 1676c98d5d94SLen Brown setup_all_buffers(); 1677c98d5d94SLen Brown printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus); 1678103a8feaSLen Brown } 1679103a8feaSLen Brown 1680c98d5d94SLen Brown 1681103a8feaSLen Brown /* 1682c98d5d94SLen Brown * count_cpus() 1683c98d5d94SLen Brown * remember the last one seen, it will be the max 1684103a8feaSLen Brown */ 1685c98d5d94SLen Brown int count_cpus(int cpu) 1686103a8feaSLen Brown { 1687c98d5d94SLen Brown if (topo.max_cpu_num < cpu) 1688c98d5d94SLen Brown topo.max_cpu_num = cpu; 1689103a8feaSLen Brown 1690c98d5d94SLen Brown topo.num_cpus += 1; 1691c98d5d94SLen Brown return 0; 1692103a8feaSLen Brown } 1693c98d5d94SLen Brown int mark_cpu_present(int cpu) 1694c98d5d94SLen Brown { 1695c98d5d94SLen Brown CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set); 169615aaa346SLen Brown return 0; 1697103a8feaSLen Brown } 1698103a8feaSLen Brown 1699103a8feaSLen Brown void turbostat_loop() 1700103a8feaSLen Brown { 1701c98d5d94SLen Brown int retval; 1702e52966c0SLen Brown int restarted = 0; 1703c98d5d94SLen Brown 1704103a8feaSLen Brown restart: 1705e52966c0SLen Brown restarted++; 1706e52966c0SLen Brown 1707c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 1708d91bb17cSLen Brown if (retval < -1) { 1709d91bb17cSLen Brown exit(retval); 1710d91bb17cSLen Brown } else if (retval == -1) { 1711e52966c0SLen Brown if (restarted > 1) { 1712e52966c0SLen Brown exit(retval); 1713e52966c0SLen Brown } 1714c98d5d94SLen Brown re_initialize(); 1715c98d5d94SLen Brown goto restart; 1716c98d5d94SLen Brown } 1717e52966c0SLen Brown restarted = 0; 1718103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 1719103a8feaSLen Brown 1720103a8feaSLen Brown while (1) { 1721c98d5d94SLen Brown if (for_all_proc_cpus(cpu_is_not_present)) { 1722103a8feaSLen Brown re_initialize(); 1723103a8feaSLen Brown goto restart; 1724103a8feaSLen Brown } 1725103a8feaSLen Brown sleep(interval_sec); 1726c98d5d94SLen Brown retval = for_all_cpus(get_counters, ODD_COUNTERS); 1727d91bb17cSLen Brown if (retval < -1) { 1728d91bb17cSLen Brown exit(retval); 1729d91bb17cSLen Brown } else if (retval == -1) { 173015aaa346SLen Brown re_initialize(); 173115aaa346SLen Brown goto restart; 173215aaa346SLen Brown } 1733103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 1734103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 1735c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 1736c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 1737c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 1738c98d5d94SLen Brown flush_stdout(); 173915aaa346SLen Brown sleep(interval_sec); 1740c98d5d94SLen Brown retval = for_all_cpus(get_counters, EVEN_COUNTERS); 1741d91bb17cSLen Brown if (retval < -1) { 1742d91bb17cSLen Brown exit(retval); 1743d91bb17cSLen Brown } else if (retval == -1) { 1744103a8feaSLen Brown re_initialize(); 1745103a8feaSLen Brown goto restart; 1746103a8feaSLen Brown } 1747103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 1748103a8feaSLen Brown timersub(&tv_even, &tv_odd, &tv_delta); 1749c98d5d94SLen Brown for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS); 1750c98d5d94SLen Brown compute_average(ODD_COUNTERS); 1751c98d5d94SLen Brown format_all_counters(ODD_COUNTERS); 1752c98d5d94SLen Brown flush_stdout(); 1753103a8feaSLen Brown } 1754103a8feaSLen Brown } 1755103a8feaSLen Brown 1756103a8feaSLen Brown void check_dev_msr() 1757103a8feaSLen Brown { 1758103a8feaSLen Brown struct stat sb; 17597ce7d5deSPrarit Bhargava char pathname[32]; 1760103a8feaSLen Brown 17617ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 17627ce7d5deSPrarit Bhargava if (stat(pathname, &sb)) 1763a21d38c8SLen Brown if (system("/sbin/modprobe msr > /dev/null 2>&1")) 1764d7899447SLen Brown err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" "); 1765103a8feaSLen Brown } 1766103a8feaSLen Brown 176798481e79SLen Brown void check_permissions() 1768103a8feaSLen Brown { 176998481e79SLen Brown struct __user_cap_header_struct cap_header_data; 177098481e79SLen Brown cap_user_header_t cap_header = &cap_header_data; 177198481e79SLen Brown struct __user_cap_data_struct cap_data_data; 177298481e79SLen Brown cap_user_data_t cap_data = &cap_data_data; 177398481e79SLen Brown extern int capget(cap_user_header_t hdrp, cap_user_data_t datap); 177498481e79SLen Brown int do_exit = 0; 17757ce7d5deSPrarit Bhargava char pathname[32]; 177698481e79SLen Brown 177798481e79SLen Brown /* check for CAP_SYS_RAWIO */ 177898481e79SLen Brown cap_header->pid = getpid(); 177998481e79SLen Brown cap_header->version = _LINUX_CAPABILITY_VERSION; 178098481e79SLen Brown if (capget(cap_header, cap_data) < 0) 178198481e79SLen Brown err(-6, "capget(2) failed"); 178298481e79SLen Brown 178398481e79SLen Brown if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) { 178498481e79SLen Brown do_exit++; 178598481e79SLen Brown warnx("capget(CAP_SYS_RAWIO) failed," 178698481e79SLen Brown " try \"# setcap cap_sys_rawio=ep %s\"", progname); 178798481e79SLen Brown } 178898481e79SLen Brown 178998481e79SLen Brown /* test file permissions */ 17907ce7d5deSPrarit Bhargava sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); 17917ce7d5deSPrarit Bhargava if (euidaccess(pathname, R_OK)) { 179298481e79SLen Brown do_exit++; 179398481e79SLen Brown warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr"); 179498481e79SLen Brown } 179598481e79SLen Brown 179698481e79SLen Brown /* if all else fails, thell them to be root */ 179798481e79SLen Brown if (do_exit) 1798b2c95d90SJosh Triplett if (getuid() != 0) 1799d7899447SLen Brown warnx("... or simply run as root"); 180098481e79SLen Brown 180198481e79SLen Brown if (do_exit) 180298481e79SLen Brown exit(-6); 1803103a8feaSLen Brown } 1804103a8feaSLen Brown 1805d7899447SLen Brown /* 1806d7899447SLen Brown * NHM adds support for additional MSRs: 1807d7899447SLen Brown * 1808d7899447SLen Brown * MSR_SMI_COUNT 0x00000034 1809d7899447SLen Brown * 1810d7899447SLen Brown * MSR_NHM_PLATFORM_INFO 0x000000ce 1811d7899447SLen Brown * MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2 1812d7899447SLen Brown * 1813d7899447SLen Brown * MSR_PKG_C3_RESIDENCY 0x000003f8 1814d7899447SLen Brown * MSR_PKG_C6_RESIDENCY 0x000003f9 1815d7899447SLen Brown * MSR_CORE_C3_RESIDENCY 0x000003fc 1816d7899447SLen Brown * MSR_CORE_C6_RESIDENCY 0x000003fd 1817d7899447SLen Brown * 1818ee7e38e3SLen Brown * Side effect: 1819ee7e38e3SLen Brown * sets global pkg_cstate_limit to decode MSR_NHM_SNB_PKG_CST_CFG_CTL 1820d7899447SLen Brown */ 1821ee7e38e3SLen Brown int probe_nhm_msrs(unsigned int family, unsigned int model) 1822103a8feaSLen Brown { 1823ee7e38e3SLen Brown unsigned long long msr; 1824ee7e38e3SLen Brown int *pkg_cstate_limits; 1825ee7e38e3SLen Brown 1826103a8feaSLen Brown if (!genuine_intel) 1827103a8feaSLen Brown return 0; 1828103a8feaSLen Brown 1829103a8feaSLen Brown if (family != 6) 1830103a8feaSLen Brown return 0; 1831103a8feaSLen Brown 1832103a8feaSLen Brown switch (model) { 1833103a8feaSLen Brown case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */ 1834103a8feaSLen Brown case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */ 1835103a8feaSLen Brown case 0x1F: /* Core i7 and i5 Processor - Nehalem */ 1836103a8feaSLen Brown case 0x25: /* Westmere Client - Clarkdale, Arrandale */ 1837103a8feaSLen Brown case 0x2C: /* Westmere EP - Gulftown */ 1838ee7e38e3SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 1839ee7e38e3SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 1840ee7e38e3SLen Brown pkg_cstate_limits = nhm_pkg_cstate_limits; 1841ee7e38e3SLen Brown break; 1842103a8feaSLen Brown case 0x2A: /* SNB */ 1843103a8feaSLen Brown case 0x2D: /* SNB Xeon */ 1844553575f1SLen Brown case 0x3A: /* IVB */ 18451300651bSLen Brown case 0x3E: /* IVB Xeon */ 1846ee7e38e3SLen Brown pkg_cstate_limits = snb_pkg_cstate_limits; 1847ee7e38e3SLen Brown break; 184870b43400SLen Brown case 0x3C: /* HSW */ 1849e6f9bb3cSLen Brown case 0x3F: /* HSX */ 185070b43400SLen Brown case 0x45: /* HSW */ 1851149c2319SLen Brown case 0x46: /* HSW */ 18524e8e863fSLen Brown case 0x3D: /* BDW */ 185348a0631cSLen Brown case 0x47: /* BDW */ 18544e8e863fSLen Brown case 0x4F: /* BDX */ 18554e8e863fSLen Brown case 0x56: /* BDX-DE */ 18560b2bb692SLen Brown case 0x4E: /* SKL */ 18570b2bb692SLen Brown case 0x5E: /* SKL */ 1858ee7e38e3SLen Brown pkg_cstate_limits = hsw_pkg_cstate_limits; 1859ee7e38e3SLen Brown break; 1860ee7e38e3SLen Brown case 0x37: /* BYT */ 1861ee7e38e3SLen Brown case 0x4D: /* AVN */ 1862ee7e38e3SLen Brown pkg_cstate_limits = slv_pkg_cstate_limits; 1863ee7e38e3SLen Brown break; 1864ee7e38e3SLen Brown case 0x4C: /* AMT */ 1865ee7e38e3SLen Brown pkg_cstate_limits = amt_pkg_cstate_limits; 1866ee7e38e3SLen Brown break; 1867ee7e38e3SLen Brown case 0x57: /* PHI */ 1868ee7e38e3SLen Brown pkg_cstate_limits = phi_pkg_cstate_limits; 1869ee7e38e3SLen Brown break; 1870103a8feaSLen Brown default: 1871103a8feaSLen Brown return 0; 1872103a8feaSLen Brown } 18737ce7d5deSPrarit Bhargava get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); 1874ee7e38e3SLen Brown 1875e9257f5fSLen Brown pkg_cstate_limit = pkg_cstate_limits[msr & 0xF]; 1876ee7e38e3SLen Brown 1877ee7e38e3SLen Brown return 1; 1878103a8feaSLen Brown } 1879d7899447SLen Brown int has_nhm_turbo_ratio_limit(unsigned int family, unsigned int model) 1880d7899447SLen Brown { 1881d7899447SLen Brown switch (model) { 1882d7899447SLen Brown /* Nehalem compatible, but do not include turbo-ratio limit support */ 1883d7899447SLen Brown case 0x2E: /* Nehalem-EX Xeon - Beckton */ 1884d7899447SLen Brown case 0x2F: /* Westmere-EX Xeon - Eagleton */ 1885d7899447SLen Brown return 0; 1886d7899447SLen Brown default: 1887d7899447SLen Brown return 1; 1888d7899447SLen Brown } 1889d7899447SLen Brown } 18906574a5d5SLen Brown int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model) 18916574a5d5SLen Brown { 18926574a5d5SLen Brown if (!genuine_intel) 18936574a5d5SLen Brown return 0; 18946574a5d5SLen Brown 18956574a5d5SLen Brown if (family != 6) 18966574a5d5SLen Brown return 0; 18976574a5d5SLen Brown 18986574a5d5SLen Brown switch (model) { 18996574a5d5SLen Brown case 0x3E: /* IVB Xeon */ 1900fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 19016574a5d5SLen Brown return 1; 19026574a5d5SLen Brown default: 19036574a5d5SLen Brown return 0; 19046574a5d5SLen Brown } 19056574a5d5SLen Brown } 1906fcd17211SLen Brown int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model) 1907fcd17211SLen Brown { 1908fcd17211SLen Brown if (!genuine_intel) 1909fcd17211SLen Brown return 0; 1910fcd17211SLen Brown 1911fcd17211SLen Brown if (family != 6) 1912fcd17211SLen Brown return 0; 1913fcd17211SLen Brown 1914fcd17211SLen Brown switch (model) { 1915fcd17211SLen Brown case 0x3F: /* HSW Xeon */ 1916fcd17211SLen Brown return 1; 1917fcd17211SLen Brown default: 1918fcd17211SLen Brown return 0; 1919fcd17211SLen Brown } 1920fcd17211SLen Brown } 1921fcd17211SLen Brown 1922fb5d4327SDasaratharaman Chandramouli int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model) 1923fb5d4327SDasaratharaman Chandramouli { 1924fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 1925fb5d4327SDasaratharaman Chandramouli return 0; 1926fb5d4327SDasaratharaman Chandramouli 1927fb5d4327SDasaratharaman Chandramouli if (family != 6) 1928fb5d4327SDasaratharaman Chandramouli return 0; 1929fb5d4327SDasaratharaman Chandramouli 1930fb5d4327SDasaratharaman Chandramouli switch (model) { 1931fb5d4327SDasaratharaman Chandramouli case 0x57: /* Knights Landing */ 1932fb5d4327SDasaratharaman Chandramouli return 1; 1933fb5d4327SDasaratharaman Chandramouli default: 1934fb5d4327SDasaratharaman Chandramouli return 0; 1935fb5d4327SDasaratharaman Chandramouli } 1936fb5d4327SDasaratharaman Chandramouli } 19376fb3143bSLen Brown int has_config_tdp(unsigned int family, unsigned int model) 19386fb3143bSLen Brown { 19396fb3143bSLen Brown if (!genuine_intel) 19406fb3143bSLen Brown return 0; 19416fb3143bSLen Brown 19426fb3143bSLen Brown if (family != 6) 19436fb3143bSLen Brown return 0; 19446fb3143bSLen Brown 19456fb3143bSLen Brown switch (model) { 19466fb3143bSLen Brown case 0x3A: /* IVB */ 19476fb3143bSLen Brown case 0x3C: /* HSW */ 19486fb3143bSLen Brown case 0x3F: /* HSX */ 19496fb3143bSLen Brown case 0x45: /* HSW */ 19506fb3143bSLen Brown case 0x46: /* HSW */ 19516fb3143bSLen Brown case 0x3D: /* BDW */ 19526fb3143bSLen Brown case 0x47: /* BDW */ 19536fb3143bSLen Brown case 0x4F: /* BDX */ 19546fb3143bSLen Brown case 0x56: /* BDX-DE */ 19556fb3143bSLen Brown case 0x4E: /* SKL */ 19566fb3143bSLen Brown case 0x5E: /* SKL */ 19576fb3143bSLen Brown 19586fb3143bSLen Brown case 0x57: /* Knights Landing */ 19596fb3143bSLen Brown return 1; 19606fb3143bSLen Brown default: 19616fb3143bSLen Brown return 0; 19626fb3143bSLen Brown } 19636fb3143bSLen Brown } 19646fb3143bSLen Brown 1965fcd17211SLen Brown static void 1966fcd17211SLen Brown dump_cstate_pstate_config_info(family, model) 1967fcd17211SLen Brown { 1968fcd17211SLen Brown if (!do_nhm_platform_info) 1969fcd17211SLen Brown return; 1970fcd17211SLen Brown 1971fcd17211SLen Brown dump_nhm_platform_info(); 1972fcd17211SLen Brown 1973fcd17211SLen Brown if (has_hsw_turbo_ratio_limit(family, model)) 1974fcd17211SLen Brown dump_hsw_turbo_ratio_limits(); 1975fcd17211SLen Brown 1976fcd17211SLen Brown if (has_ivt_turbo_ratio_limit(family, model)) 1977fcd17211SLen Brown dump_ivt_turbo_ratio_limits(); 1978fcd17211SLen Brown 1979fcd17211SLen Brown if (has_nhm_turbo_ratio_limit(family, model)) 1980fcd17211SLen Brown dump_nhm_turbo_ratio_limits(); 1981fcd17211SLen Brown 1982fb5d4327SDasaratharaman Chandramouli if (has_knl_turbo_ratio_limit(family, model)) 1983fb5d4327SDasaratharaman Chandramouli dump_knl_turbo_ratio_limits(); 1984fb5d4327SDasaratharaman Chandramouli 19856fb3143bSLen Brown if (has_config_tdp(family, model)) 19866fb3143bSLen Brown dump_config_tdp(); 19876fb3143bSLen Brown 1988fcd17211SLen Brown dump_nhm_cst_cfg(); 1989fcd17211SLen Brown } 1990fcd17211SLen Brown 19916574a5d5SLen Brown 1992889facbeSLen Brown /* 1993889facbeSLen Brown * print_epb() 1994889facbeSLen Brown * Decode the ENERGY_PERF_BIAS MSR 1995889facbeSLen Brown */ 1996889facbeSLen Brown int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p) 1997889facbeSLen Brown { 1998889facbeSLen Brown unsigned long long msr; 1999889facbeSLen Brown char *epb_string; 2000889facbeSLen Brown int cpu; 2001889facbeSLen Brown 2002889facbeSLen Brown if (!has_epb) 2003889facbeSLen Brown return 0; 2004889facbeSLen Brown 2005889facbeSLen Brown cpu = t->cpu_id; 2006889facbeSLen Brown 2007889facbeSLen Brown /* EPB is per-package */ 2008889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2009889facbeSLen Brown return 0; 2010889facbeSLen Brown 2011889facbeSLen Brown if (cpu_migrate(cpu)) { 2012889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 2013889facbeSLen Brown return -1; 2014889facbeSLen Brown } 2015889facbeSLen Brown 2016889facbeSLen Brown if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr)) 2017889facbeSLen Brown return 0; 2018889facbeSLen Brown 2019e9be7dd6SLen Brown switch (msr & 0xF) { 2020889facbeSLen Brown case ENERGY_PERF_BIAS_PERFORMANCE: 2021889facbeSLen Brown epb_string = "performance"; 2022889facbeSLen Brown break; 2023889facbeSLen Brown case ENERGY_PERF_BIAS_NORMAL: 2024889facbeSLen Brown epb_string = "balanced"; 2025889facbeSLen Brown break; 2026889facbeSLen Brown case ENERGY_PERF_BIAS_POWERSAVE: 2027889facbeSLen Brown epb_string = "powersave"; 2028889facbeSLen Brown break; 2029889facbeSLen Brown default: 2030889facbeSLen Brown epb_string = "custom"; 2031889facbeSLen Brown break; 2032889facbeSLen Brown } 2033889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string); 2034889facbeSLen Brown 2035889facbeSLen Brown return 0; 2036889facbeSLen Brown } 2037889facbeSLen Brown 20383a9a941dSLen Brown /* 20393a9a941dSLen Brown * print_perf_limit() 20403a9a941dSLen Brown */ 20413a9a941dSLen Brown int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p) 20423a9a941dSLen Brown { 20433a9a941dSLen Brown unsigned long long msr; 20443a9a941dSLen Brown int cpu; 20453a9a941dSLen Brown 20463a9a941dSLen Brown cpu = t->cpu_id; 20473a9a941dSLen Brown 20483a9a941dSLen Brown /* per-package */ 20493a9a941dSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 20503a9a941dSLen Brown return 0; 20513a9a941dSLen Brown 20523a9a941dSLen Brown if (cpu_migrate(cpu)) { 20533a9a941dSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 20543a9a941dSLen Brown return -1; 20553a9a941dSLen Brown } 20563a9a941dSLen Brown 20573a9a941dSLen Brown if (do_core_perf_limit_reasons) { 20583a9a941dSLen Brown get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr); 20593a9a941dSLen Brown fprintf(stderr, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 20603a9a941dSLen Brown fprintf(stderr, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)", 2061e33cbe85SLen Brown (msr & 1 << 15) ? "bit15, " : "", 20623a9a941dSLen Brown (msr & 1 << 14) ? "bit14, " : "", 2063e33cbe85SLen Brown (msr & 1 << 13) ? "Transitions, " : "", 2064e33cbe85SLen Brown (msr & 1 << 12) ? "MultiCoreTurbo, " : "", 2065e33cbe85SLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : "", 2066e33cbe85SLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 2067e33cbe85SLen Brown (msr & 1 << 9) ? "CorePwr, " : "", 2068e33cbe85SLen Brown (msr & 1 << 8) ? "Amps, " : "", 2069e33cbe85SLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 2070e33cbe85SLen Brown (msr & 1 << 5) ? "Auto-HWP, " : "", 2071e33cbe85SLen Brown (msr & 1 << 4) ? "Graphics, " : "", 2072e33cbe85SLen Brown (msr & 1 << 2) ? "bit2, " : "", 2073e33cbe85SLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 2074e33cbe85SLen Brown (msr & 1 << 0) ? "PROCHOT, " : ""); 20753a9a941dSLen Brown fprintf(stderr, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n", 2076e33cbe85SLen Brown (msr & 1 << 31) ? "bit31, " : "", 20773a9a941dSLen Brown (msr & 1 << 30) ? "bit30, " : "", 2078e33cbe85SLen Brown (msr & 1 << 29) ? "Transitions, " : "", 2079e33cbe85SLen Brown (msr & 1 << 28) ? "MultiCoreTurbo, " : "", 2080e33cbe85SLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : "", 2081e33cbe85SLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 2082e33cbe85SLen Brown (msr & 1 << 25) ? "CorePwr, " : "", 2083e33cbe85SLen Brown (msr & 1 << 24) ? "Amps, " : "", 2084e33cbe85SLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 2085e33cbe85SLen Brown (msr & 1 << 21) ? "Auto-HWP, " : "", 2086e33cbe85SLen Brown (msr & 1 << 20) ? "Graphics, " : "", 2087e33cbe85SLen Brown (msr & 1 << 18) ? "bit18, " : "", 2088e33cbe85SLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 2089e33cbe85SLen Brown (msr & 1 << 16) ? "PROCHOT, " : ""); 20903a9a941dSLen Brown 20913a9a941dSLen Brown } 20923a9a941dSLen Brown if (do_gfx_perf_limit_reasons) { 20933a9a941dSLen Brown get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr); 20943a9a941dSLen Brown fprintf(stderr, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 20953a9a941dSLen Brown fprintf(stderr, " (Active: %s%s%s%s%s%s%s%s)", 20963a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 20973a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 20983a9a941dSLen Brown (msr & 1 << 4) ? "Graphics, " : "", 20993a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 21003a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 21013a9a941dSLen Brown (msr & 1 << 9) ? "GFXPwr, " : "", 21023a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 21033a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 21043a9a941dSLen Brown fprintf(stderr, " (Logged: %s%s%s%s%s%s%s%s)\n", 21053a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 21063a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 21073a9a941dSLen Brown (msr & 1 << 20) ? "Graphics, " : "", 21083a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 21093a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 21103a9a941dSLen Brown (msr & 1 << 25) ? "GFXPwr, " : "", 21113a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 21123a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 21133a9a941dSLen Brown } 21143a9a941dSLen Brown if (do_ring_perf_limit_reasons) { 21153a9a941dSLen Brown get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr); 21163a9a941dSLen Brown fprintf(stderr, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr); 21173a9a941dSLen Brown fprintf(stderr, " (Active: %s%s%s%s%s%s)", 21183a9a941dSLen Brown (msr & 1 << 0) ? "PROCHOT, " : "", 21193a9a941dSLen Brown (msr & 1 << 1) ? "ThermStatus, " : "", 21203a9a941dSLen Brown (msr & 1 << 6) ? "VR-Therm, " : "", 21213a9a941dSLen Brown (msr & 1 << 8) ? "Amps, " : "", 21223a9a941dSLen Brown (msr & 1 << 10) ? "PkgPwrL1, " : "", 21233a9a941dSLen Brown (msr & 1 << 11) ? "PkgPwrL2, " : ""); 21243a9a941dSLen Brown fprintf(stderr, " (Logged: %s%s%s%s%s%s)\n", 21253a9a941dSLen Brown (msr & 1 << 16) ? "PROCHOT, " : "", 21263a9a941dSLen Brown (msr & 1 << 17) ? "ThermStatus, " : "", 21273a9a941dSLen Brown (msr & 1 << 22) ? "VR-Therm, " : "", 21283a9a941dSLen Brown (msr & 1 << 24) ? "Amps, " : "", 21293a9a941dSLen Brown (msr & 1 << 26) ? "PkgPwrL1, " : "", 21303a9a941dSLen Brown (msr & 1 << 27) ? "PkgPwrL2, " : ""); 21313a9a941dSLen Brown } 21323a9a941dSLen Brown return 0; 21333a9a941dSLen Brown } 21343a9a941dSLen Brown 2135889facbeSLen Brown #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */ 2136889facbeSLen Brown #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */ 2137889facbeSLen Brown 2138144b44b1SLen Brown double get_tdp(model) 2139144b44b1SLen Brown { 2140144b44b1SLen Brown unsigned long long msr; 2141144b44b1SLen Brown 2142144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) 21437ce7d5deSPrarit Bhargava if (!get_msr(base_cpu, MSR_PKG_POWER_INFO, &msr)) 2144144b44b1SLen Brown return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units; 2145144b44b1SLen Brown 2146144b44b1SLen Brown switch (model) { 2147144b44b1SLen Brown case 0x37: 2148144b44b1SLen Brown case 0x4D: 2149144b44b1SLen Brown return 30.0; 2150144b44b1SLen Brown default: 2151144b44b1SLen Brown return 135.0; 2152144b44b1SLen Brown } 2153144b44b1SLen Brown } 2154144b44b1SLen Brown 215540ee8e3bSAndrey Semin /* 215640ee8e3bSAndrey Semin * rapl_dram_energy_units_probe() 215740ee8e3bSAndrey Semin * Energy units are either hard-coded, or come from RAPL Energy Unit MSR. 215840ee8e3bSAndrey Semin */ 215940ee8e3bSAndrey Semin static double 216040ee8e3bSAndrey Semin rapl_dram_energy_units_probe(int model, double rapl_energy_units) 216140ee8e3bSAndrey Semin { 216240ee8e3bSAndrey Semin /* only called for genuine_intel, family 6 */ 216340ee8e3bSAndrey Semin 216440ee8e3bSAndrey Semin switch (model) { 216540ee8e3bSAndrey Semin case 0x3F: /* HSX */ 216640ee8e3bSAndrey Semin case 0x4F: /* BDX */ 216740ee8e3bSAndrey Semin case 0x56: /* BDX-DE */ 2168fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 216940ee8e3bSAndrey Semin return (rapl_dram_energy_units = 15.3 / 1000000); 217040ee8e3bSAndrey Semin default: 217140ee8e3bSAndrey Semin return (rapl_energy_units); 217240ee8e3bSAndrey Semin } 217340ee8e3bSAndrey Semin } 217440ee8e3bSAndrey Semin 2175144b44b1SLen Brown 2176889facbeSLen Brown /* 2177889facbeSLen Brown * rapl_probe() 2178889facbeSLen Brown * 2179144b44b1SLen Brown * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units 2180889facbeSLen Brown */ 2181889facbeSLen Brown void rapl_probe(unsigned int family, unsigned int model) 2182889facbeSLen Brown { 2183889facbeSLen Brown unsigned long long msr; 2184144b44b1SLen Brown unsigned int time_unit; 2185889facbeSLen Brown double tdp; 2186889facbeSLen Brown 2187889facbeSLen Brown if (!genuine_intel) 2188889facbeSLen Brown return; 2189889facbeSLen Brown 2190889facbeSLen Brown if (family != 6) 2191889facbeSLen Brown return; 2192889facbeSLen Brown 2193889facbeSLen Brown switch (model) { 2194889facbeSLen Brown case 0x2A: 2195889facbeSLen Brown case 0x3A: 219670b43400SLen Brown case 0x3C: /* HSW */ 219770b43400SLen Brown case 0x45: /* HSW */ 2198149c2319SLen Brown case 0x46: /* HSW */ 21994e8e863fSLen Brown case 0x3D: /* BDW */ 220048a0631cSLen Brown case 0x47: /* BDW */ 2201144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO; 2202889facbeSLen Brown break; 22030b2bb692SLen Brown case 0x4E: /* SKL */ 22040b2bb692SLen Brown case 0x5E: /* SKL */ 22050b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 22060b2bb692SLen Brown break; 2207e6f9bb3cSLen Brown case 0x3F: /* HSX */ 22084e8e863fSLen Brown case 0x4F: /* BDX */ 22094e8e863fSLen Brown case 0x56: /* BDX-DE */ 2210fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 22110b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; 2212e6f9bb3cSLen Brown break; 2213889facbeSLen Brown case 0x2D: 2214889facbeSLen Brown case 0x3E: 22150b2bb692SLen Brown do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO; 2216144b44b1SLen Brown break; 2217144b44b1SLen Brown case 0x37: /* BYT */ 2218144b44b1SLen Brown case 0x4D: /* AVN */ 2219144b44b1SLen Brown do_rapl = RAPL_PKG | RAPL_CORES ; 2220889facbeSLen Brown break; 2221889facbeSLen Brown default: 2222889facbeSLen Brown return; 2223889facbeSLen Brown } 2224889facbeSLen Brown 2225889facbeSLen Brown /* units on package 0, verify later other packages match */ 22267ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr)) 2227889facbeSLen Brown return; 2228889facbeSLen Brown 2229889facbeSLen Brown rapl_power_units = 1.0 / (1 << (msr & 0xF)); 2230144b44b1SLen Brown if (model == 0x37) 2231144b44b1SLen Brown rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000; 2232144b44b1SLen Brown else 2233889facbeSLen Brown rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F)); 2234889facbeSLen Brown 223540ee8e3bSAndrey Semin rapl_dram_energy_units = rapl_dram_energy_units_probe(model, rapl_energy_units); 223640ee8e3bSAndrey Semin 2237144b44b1SLen Brown time_unit = msr >> 16 & 0xF; 2238144b44b1SLen Brown if (time_unit == 0) 2239144b44b1SLen Brown time_unit = 0xA; 2240889facbeSLen Brown 2241144b44b1SLen Brown rapl_time_units = 1.0 / (1 << (time_unit)); 2242144b44b1SLen Brown 2243144b44b1SLen Brown tdp = get_tdp(model); 2244889facbeSLen Brown 2245889facbeSLen Brown rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp; 2246d8af6f5fSLen Brown if (debug) 2247144b44b1SLen Brown fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp); 2248889facbeSLen Brown 2249889facbeSLen Brown return; 2250889facbeSLen Brown } 2251889facbeSLen Brown 22523a9a941dSLen Brown void perf_limit_reasons_probe(family, model) 22533a9a941dSLen Brown { 22543a9a941dSLen Brown if (!genuine_intel) 22553a9a941dSLen Brown return; 22563a9a941dSLen Brown 22573a9a941dSLen Brown if (family != 6) 22583a9a941dSLen Brown return; 22593a9a941dSLen Brown 22603a9a941dSLen Brown switch (model) { 22613a9a941dSLen Brown case 0x3C: /* HSW */ 22623a9a941dSLen Brown case 0x45: /* HSW */ 22633a9a941dSLen Brown case 0x46: /* HSW */ 22643a9a941dSLen Brown do_gfx_perf_limit_reasons = 1; 22653a9a941dSLen Brown case 0x3F: /* HSX */ 22663a9a941dSLen Brown do_core_perf_limit_reasons = 1; 22673a9a941dSLen Brown do_ring_perf_limit_reasons = 1; 22683a9a941dSLen Brown default: 22693a9a941dSLen Brown return; 22703a9a941dSLen Brown } 22713a9a941dSLen Brown } 22723a9a941dSLen Brown 2273889facbeSLen Brown int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2274889facbeSLen Brown { 2275889facbeSLen Brown unsigned long long msr; 2276889facbeSLen Brown unsigned int dts; 2277889facbeSLen Brown int cpu; 2278889facbeSLen Brown 2279889facbeSLen Brown if (!(do_dts || do_ptm)) 2280889facbeSLen Brown return 0; 2281889facbeSLen Brown 2282889facbeSLen Brown cpu = t->cpu_id; 2283889facbeSLen Brown 2284889facbeSLen Brown /* DTS is per-core, no need to print for each thread */ 2285889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) 2286889facbeSLen Brown return 0; 2287889facbeSLen Brown 2288889facbeSLen Brown if (cpu_migrate(cpu)) { 2289889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 2290889facbeSLen Brown return -1; 2291889facbeSLen Brown } 2292889facbeSLen Brown 2293889facbeSLen Brown if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) { 2294889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr)) 2295889facbeSLen Brown return 0; 2296889facbeSLen Brown 2297889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2298889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", 2299889facbeSLen Brown cpu, msr, tcc_activation_temp - dts); 2300889facbeSLen Brown 2301889facbeSLen Brown #ifdef THERM_DEBUG 2302889facbeSLen Brown if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr)) 2303889facbeSLen Brown return 0; 2304889facbeSLen Brown 2305889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2306889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2307889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2308889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2309889facbeSLen Brown #endif 2310889facbeSLen Brown } 2311889facbeSLen Brown 2312889facbeSLen Brown 2313889facbeSLen Brown if (do_dts) { 2314889facbeSLen Brown unsigned int resolution; 2315889facbeSLen Brown 2316889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) 2317889facbeSLen Brown return 0; 2318889facbeSLen Brown 2319889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2320889facbeSLen Brown resolution = (msr >> 27) & 0xF; 2321889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n", 2322889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, resolution); 2323889facbeSLen Brown 2324889facbeSLen Brown #ifdef THERM_DEBUG 2325889facbeSLen Brown if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr)) 2326889facbeSLen Brown return 0; 2327889facbeSLen Brown 2328889facbeSLen Brown dts = (msr >> 16) & 0x7F; 2329889facbeSLen Brown dts2 = (msr >> 8) & 0x7F; 2330889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", 2331889facbeSLen Brown cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); 2332889facbeSLen Brown #endif 2333889facbeSLen Brown } 2334889facbeSLen Brown 2335889facbeSLen Brown return 0; 2336889facbeSLen Brown } 2337889facbeSLen Brown 2338889facbeSLen Brown void print_power_limit_msr(int cpu, unsigned long long msr, char *label) 2339889facbeSLen Brown { 2340889facbeSLen Brown fprintf(stderr, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n", 2341889facbeSLen Brown cpu, label, 2342889facbeSLen Brown ((msr >> 15) & 1) ? "EN" : "DIS", 2343889facbeSLen Brown ((msr >> 0) & 0x7FFF) * rapl_power_units, 2344889facbeSLen Brown (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units, 2345889facbeSLen Brown (((msr >> 16) & 1) ? "EN" : "DIS")); 2346889facbeSLen Brown 2347889facbeSLen Brown return; 2348889facbeSLen Brown } 2349889facbeSLen Brown 2350889facbeSLen Brown int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2351889facbeSLen Brown { 2352889facbeSLen Brown unsigned long long msr; 2353889facbeSLen Brown int cpu; 2354889facbeSLen Brown 2355889facbeSLen Brown if (!do_rapl) 2356889facbeSLen Brown return 0; 2357889facbeSLen Brown 2358889facbeSLen Brown /* RAPL counters are per package, so print only for 1st thread/package */ 2359889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2360889facbeSLen Brown return 0; 2361889facbeSLen Brown 2362889facbeSLen Brown cpu = t->cpu_id; 2363889facbeSLen Brown if (cpu_migrate(cpu)) { 2364889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 2365889facbeSLen Brown return -1; 2366889facbeSLen Brown } 2367889facbeSLen Brown 2368889facbeSLen Brown if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr)) 2369889facbeSLen Brown return -1; 2370889facbeSLen Brown 2371d8af6f5fSLen Brown if (debug) { 2372889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx " 2373889facbeSLen Brown "(%f Watts, %f Joules, %f sec.)\n", cpu, msr, 2374144b44b1SLen Brown rapl_power_units, rapl_energy_units, rapl_time_units); 2375889facbeSLen Brown } 2376144b44b1SLen Brown if (do_rapl & RAPL_PKG_POWER_INFO) { 2377144b44b1SLen Brown 2378889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr)) 2379889facbeSLen Brown return -5; 2380889facbeSLen Brown 2381889facbeSLen Brown 2382889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2383889facbeSLen Brown cpu, msr, 2384889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2385889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2386889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2387889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 2388889facbeSLen Brown 2389144b44b1SLen Brown } 2390144b44b1SLen Brown if (do_rapl & RAPL_PKG) { 2391144b44b1SLen Brown 2392889facbeSLen Brown if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr)) 2393889facbeSLen Brown return -9; 2394889facbeSLen Brown 2395889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n", 2396889facbeSLen Brown cpu, msr, (msr >> 63) & 1 ? "": "UN"); 2397889facbeSLen Brown 2398889facbeSLen Brown print_power_limit_msr(cpu, msr, "PKG Limit #1"); 2399889facbeSLen Brown fprintf(stderr, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n", 2400889facbeSLen Brown cpu, 2401889facbeSLen Brown ((msr >> 47) & 1) ? "EN" : "DIS", 2402889facbeSLen Brown ((msr >> 32) & 0x7FFF) * rapl_power_units, 2403889facbeSLen Brown (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units, 2404889facbeSLen Brown ((msr >> 48) & 1) ? "EN" : "DIS"); 2405889facbeSLen Brown } 2406889facbeSLen Brown 24070b2bb692SLen Brown if (do_rapl & RAPL_DRAM_POWER_INFO) { 2408889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr)) 2409889facbeSLen Brown return -6; 2410889facbeSLen Brown 2411889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n", 2412889facbeSLen Brown cpu, msr, 2413889facbeSLen Brown ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2414889facbeSLen Brown ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2415889facbeSLen Brown ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units, 2416889facbeSLen Brown ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units); 24170b2bb692SLen Brown } 24180b2bb692SLen Brown if (do_rapl & RAPL_DRAM) { 2419889facbeSLen Brown if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr)) 2420889facbeSLen Brown return -9; 2421889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n", 2422889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2423889facbeSLen Brown 2424889facbeSLen Brown print_power_limit_msr(cpu, msr, "DRAM Limit"); 2425889facbeSLen Brown } 2426144b44b1SLen Brown if (do_rapl & RAPL_CORE_POLICY) { 2427d8af6f5fSLen Brown if (debug) { 2428889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POLICY, &msr)) 2429889facbeSLen Brown return -7; 2430889facbeSLen Brown 2431889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF); 2432144b44b1SLen Brown } 2433144b44b1SLen Brown } 2434144b44b1SLen Brown if (do_rapl & RAPL_CORES) { 2435d8af6f5fSLen Brown if (debug) { 2436889facbeSLen Brown 2437889facbeSLen Brown if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr)) 2438889facbeSLen Brown return -9; 2439889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n", 2440889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2441889facbeSLen Brown print_power_limit_msr(cpu, msr, "Cores Limit"); 2442889facbeSLen Brown } 2443889facbeSLen Brown } 2444889facbeSLen Brown if (do_rapl & RAPL_GFX) { 2445d8af6f5fSLen Brown if (debug) { 2446889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POLICY, &msr)) 2447889facbeSLen Brown return -8; 2448889facbeSLen Brown 2449889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF); 2450889facbeSLen Brown 2451889facbeSLen Brown if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr)) 2452889facbeSLen Brown return -9; 2453889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n", 2454889facbeSLen Brown cpu, msr, (msr >> 31) & 1 ? "": "UN"); 2455889facbeSLen Brown print_power_limit_msr(cpu, msr, "GFX Limit"); 2456889facbeSLen Brown } 2457889facbeSLen Brown } 2458889facbeSLen Brown return 0; 2459889facbeSLen Brown } 2460889facbeSLen Brown 2461d7899447SLen Brown /* 2462d7899447SLen Brown * SNB adds support for additional MSRs: 2463d7899447SLen Brown * 2464d7899447SLen Brown * MSR_PKG_C7_RESIDENCY 0x000003fa 2465d7899447SLen Brown * MSR_CORE_C7_RESIDENCY 0x000003fe 2466d7899447SLen Brown * MSR_PKG_C2_RESIDENCY 0x0000060d 2467d7899447SLen Brown */ 2468103a8feaSLen Brown 2469d7899447SLen Brown int has_snb_msrs(unsigned int family, unsigned int model) 2470103a8feaSLen Brown { 2471103a8feaSLen Brown if (!genuine_intel) 2472103a8feaSLen Brown return 0; 2473103a8feaSLen Brown 2474103a8feaSLen Brown switch (model) { 2475103a8feaSLen Brown case 0x2A: 2476103a8feaSLen Brown case 0x2D: 2477650a37f3SLen Brown case 0x3A: /* IVB */ 24781300651bSLen Brown case 0x3E: /* IVB Xeon */ 247970b43400SLen Brown case 0x3C: /* HSW */ 248070b43400SLen Brown case 0x3F: /* HSW */ 248170b43400SLen Brown case 0x45: /* HSW */ 2482149c2319SLen Brown case 0x46: /* HSW */ 24834e8e863fSLen Brown case 0x3D: /* BDW */ 248448a0631cSLen Brown case 0x47: /* BDW */ 24854e8e863fSLen Brown case 0x4F: /* BDX */ 24864e8e863fSLen Brown case 0x56: /* BDX-DE */ 24870b2bb692SLen Brown case 0x4E: /* SKL */ 24880b2bb692SLen Brown case 0x5E: /* SKL */ 2489103a8feaSLen Brown return 1; 2490103a8feaSLen Brown } 2491103a8feaSLen Brown return 0; 2492103a8feaSLen Brown } 2493103a8feaSLen Brown 2494d7899447SLen Brown /* 2495d7899447SLen Brown * HSW adds support for additional MSRs: 2496d7899447SLen Brown * 2497d7899447SLen Brown * MSR_PKG_C8_RESIDENCY 0x00000630 2498d7899447SLen Brown * MSR_PKG_C9_RESIDENCY 0x00000631 2499d7899447SLen Brown * MSR_PKG_C10_RESIDENCY 0x00000632 2500d7899447SLen Brown */ 2501d7899447SLen Brown int has_hsw_msrs(unsigned int family, unsigned int model) 2502ca58710fSKristen Carlson Accardi { 2503ca58710fSKristen Carlson Accardi if (!genuine_intel) 2504ca58710fSKristen Carlson Accardi return 0; 2505ca58710fSKristen Carlson Accardi 2506ca58710fSKristen Carlson Accardi switch (model) { 25074e8e863fSLen Brown case 0x45: /* HSW */ 25084e8e863fSLen Brown case 0x3D: /* BDW */ 25090b2bb692SLen Brown case 0x4E: /* SKL */ 25100b2bb692SLen Brown case 0x5E: /* SKL */ 2511ca58710fSKristen Carlson Accardi return 1; 2512ca58710fSKristen Carlson Accardi } 2513ca58710fSKristen Carlson Accardi return 0; 2514ca58710fSKristen Carlson Accardi } 2515ca58710fSKristen Carlson Accardi 25160b2bb692SLen Brown /* 25170b2bb692SLen Brown * SKL adds support for additional MSRS: 25180b2bb692SLen Brown * 25190b2bb692SLen Brown * MSR_PKG_WEIGHTED_CORE_C0_RES 0x00000658 25200b2bb692SLen Brown * MSR_PKG_ANY_CORE_C0_RES 0x00000659 25210b2bb692SLen Brown * MSR_PKG_ANY_GFXE_C0_RES 0x0000065A 25220b2bb692SLen Brown * MSR_PKG_BOTH_CORE_GFXE_C0_RES 0x0000065B 25230b2bb692SLen Brown */ 25240b2bb692SLen Brown int has_skl_msrs(unsigned int family, unsigned int model) 25250b2bb692SLen Brown { 25260b2bb692SLen Brown if (!genuine_intel) 25270b2bb692SLen Brown return 0; 25280b2bb692SLen Brown 25290b2bb692SLen Brown switch (model) { 25300b2bb692SLen Brown case 0x4E: /* SKL */ 25310b2bb692SLen Brown case 0x5E: /* SKL */ 25320b2bb692SLen Brown return 1; 25330b2bb692SLen Brown } 25340b2bb692SLen Brown return 0; 25350b2bb692SLen Brown } 25360b2bb692SLen Brown 25370b2bb692SLen Brown 2538ca58710fSKristen Carlson Accardi 2539144b44b1SLen Brown int is_slm(unsigned int family, unsigned int model) 2540144b44b1SLen Brown { 2541144b44b1SLen Brown if (!genuine_intel) 2542144b44b1SLen Brown return 0; 2543144b44b1SLen Brown switch (model) { 2544144b44b1SLen Brown case 0x37: /* BYT */ 2545144b44b1SLen Brown case 0x4D: /* AVN */ 2546144b44b1SLen Brown return 1; 2547144b44b1SLen Brown } 2548144b44b1SLen Brown return 0; 2549144b44b1SLen Brown } 2550144b44b1SLen Brown 2551fb5d4327SDasaratharaman Chandramouli int is_knl(unsigned int family, unsigned int model) 2552fb5d4327SDasaratharaman Chandramouli { 2553fb5d4327SDasaratharaman Chandramouli if (!genuine_intel) 2554fb5d4327SDasaratharaman Chandramouli return 0; 2555fb5d4327SDasaratharaman Chandramouli switch (model) { 2556fb5d4327SDasaratharaman Chandramouli case 0x57: /* KNL */ 2557fb5d4327SDasaratharaman Chandramouli return 1; 2558fb5d4327SDasaratharaman Chandramouli } 2559fb5d4327SDasaratharaman Chandramouli return 0; 2560fb5d4327SDasaratharaman Chandramouli } 2561fb5d4327SDasaratharaman Chandramouli 2562b2b34dfeSHubert Chrzaniuk unsigned int get_aperf_mperf_multiplier(unsigned int family, unsigned int model) 2563b2b34dfeSHubert Chrzaniuk { 2564b2b34dfeSHubert Chrzaniuk if (is_knl(family, model)) 2565b2b34dfeSHubert Chrzaniuk return 1024; 2566b2b34dfeSHubert Chrzaniuk return 1; 2567b2b34dfeSHubert Chrzaniuk } 2568b2b34dfeSHubert Chrzaniuk 2569144b44b1SLen Brown #define SLM_BCLK_FREQS 5 2570144b44b1SLen Brown double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0}; 2571144b44b1SLen Brown 2572144b44b1SLen Brown double slm_bclk(void) 2573144b44b1SLen Brown { 2574144b44b1SLen Brown unsigned long long msr = 3; 2575144b44b1SLen Brown unsigned int i; 2576144b44b1SLen Brown double freq; 2577144b44b1SLen Brown 25787ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_FSB_FREQ, &msr)) 2579144b44b1SLen Brown fprintf(stderr, "SLM BCLK: unknown\n"); 2580144b44b1SLen Brown 2581144b44b1SLen Brown i = msr & 0xf; 2582144b44b1SLen Brown if (i >= SLM_BCLK_FREQS) { 2583144b44b1SLen Brown fprintf(stderr, "SLM BCLK[%d] invalid\n", i); 2584144b44b1SLen Brown msr = 3; 2585144b44b1SLen Brown } 2586144b44b1SLen Brown freq = slm_freq_table[i]; 2587144b44b1SLen Brown 2588144b44b1SLen Brown fprintf(stderr, "SLM BCLK: %.1f Mhz\n", freq); 2589144b44b1SLen Brown 2590144b44b1SLen Brown return freq; 2591144b44b1SLen Brown } 2592144b44b1SLen Brown 2593103a8feaSLen Brown double discover_bclk(unsigned int family, unsigned int model) 2594103a8feaSLen Brown { 2595d7899447SLen Brown if (has_snb_msrs(family, model)) 2596103a8feaSLen Brown return 100.00; 2597144b44b1SLen Brown else if (is_slm(family, model)) 2598144b44b1SLen Brown return slm_bclk(); 2599103a8feaSLen Brown else 2600103a8feaSLen Brown return 133.33; 2601103a8feaSLen Brown } 2602103a8feaSLen Brown 2603889facbeSLen Brown /* 2604889facbeSLen Brown * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where 2605889facbeSLen Brown * the Thermal Control Circuit (TCC) activates. 2606889facbeSLen Brown * This is usually equal to tjMax. 2607889facbeSLen Brown * 2608889facbeSLen Brown * Older processors do not have this MSR, so there we guess, 2609889facbeSLen Brown * but also allow cmdline over-ride with -T. 2610889facbeSLen Brown * 2611889facbeSLen Brown * Several MSR temperature values are in units of degrees-C 2612889facbeSLen Brown * below this value, including the Digital Thermal Sensor (DTS), 2613889facbeSLen Brown * Package Thermal Management Sensor (PTM), and thermal event thresholds. 2614889facbeSLen Brown */ 2615889facbeSLen Brown int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p) 2616889facbeSLen Brown { 2617889facbeSLen Brown unsigned long long msr; 2618889facbeSLen Brown unsigned int target_c_local; 2619889facbeSLen Brown int cpu; 2620889facbeSLen Brown 2621889facbeSLen Brown /* tcc_activation_temp is used only for dts or ptm */ 2622889facbeSLen Brown if (!(do_dts || do_ptm)) 2623889facbeSLen Brown return 0; 2624889facbeSLen Brown 2625889facbeSLen Brown /* this is a per-package concept */ 2626889facbeSLen Brown if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) 2627889facbeSLen Brown return 0; 2628889facbeSLen Brown 2629889facbeSLen Brown cpu = t->cpu_id; 2630889facbeSLen Brown if (cpu_migrate(cpu)) { 2631889facbeSLen Brown fprintf(stderr, "Could not migrate to CPU %d\n", cpu); 2632889facbeSLen Brown return -1; 2633889facbeSLen Brown } 2634889facbeSLen Brown 2635889facbeSLen Brown if (tcc_activation_temp_override != 0) { 2636889facbeSLen Brown tcc_activation_temp = tcc_activation_temp_override; 2637889facbeSLen Brown fprintf(stderr, "cpu%d: Using cmdline TCC Target (%d C)\n", 2638889facbeSLen Brown cpu, tcc_activation_temp); 2639889facbeSLen Brown return 0; 2640889facbeSLen Brown } 2641889facbeSLen Brown 2642889facbeSLen Brown /* Temperature Target MSR is Nehalem and newer only */ 2643d7899447SLen Brown if (!do_nhm_platform_info) 2644889facbeSLen Brown goto guess; 2645889facbeSLen Brown 26467ce7d5deSPrarit Bhargava if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr)) 2647889facbeSLen Brown goto guess; 2648889facbeSLen Brown 26493482124aSJean Delvare target_c_local = (msr >> 16) & 0xFF; 2650889facbeSLen Brown 2651d8af6f5fSLen Brown if (debug) 2652889facbeSLen Brown fprintf(stderr, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n", 2653889facbeSLen Brown cpu, msr, target_c_local); 2654889facbeSLen Brown 26553482124aSJean Delvare if (!target_c_local) 2656889facbeSLen Brown goto guess; 2657889facbeSLen Brown 2658889facbeSLen Brown tcc_activation_temp = target_c_local; 2659889facbeSLen Brown 2660889facbeSLen Brown return 0; 2661889facbeSLen Brown 2662889facbeSLen Brown guess: 2663889facbeSLen Brown tcc_activation_temp = TJMAX_DEFAULT; 2664889facbeSLen Brown fprintf(stderr, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n", 2665889facbeSLen Brown cpu, tcc_activation_temp); 2666889facbeSLen Brown 2667889facbeSLen Brown return 0; 2668889facbeSLen Brown } 2669fcd17211SLen Brown void process_cpuid() 2670103a8feaSLen Brown { 2671103a8feaSLen Brown unsigned int eax, ebx, ecx, edx, max_level; 2672103a8feaSLen Brown unsigned int fms, family, model, stepping; 2673103a8feaSLen Brown 2674103a8feaSLen Brown eax = ebx = ecx = edx = 0; 2675103a8feaSLen Brown 26762b92865eSJosh Triplett __get_cpuid(0, &max_level, &ebx, &ecx, &edx); 2677103a8feaSLen Brown 2678103a8feaSLen Brown if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e) 2679103a8feaSLen Brown genuine_intel = 1; 2680103a8feaSLen Brown 2681d8af6f5fSLen Brown if (debug) 2682889facbeSLen Brown fprintf(stderr, "CPUID(0): %.4s%.4s%.4s ", 2683103a8feaSLen Brown (char *)&ebx, (char *)&edx, (char *)&ecx); 2684103a8feaSLen Brown 26852b92865eSJosh Triplett __get_cpuid(1, &fms, &ebx, &ecx, &edx); 2686103a8feaSLen Brown family = (fms >> 8) & 0xf; 2687103a8feaSLen Brown model = (fms >> 4) & 0xf; 2688103a8feaSLen Brown stepping = fms & 0xf; 2689103a8feaSLen Brown if (family == 6 || family == 0xf) 2690103a8feaSLen Brown model += ((fms >> 16) & 0xf) << 4; 2691103a8feaSLen Brown 2692d8af6f5fSLen Brown if (debug) 2693103a8feaSLen Brown fprintf(stderr, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n", 2694103a8feaSLen Brown max_level, family, model, stepping, family, model, stepping); 2695103a8feaSLen Brown 2696b2c95d90SJosh Triplett if (!(edx & (1 << 5))) 2697b2c95d90SJosh Triplett errx(1, "CPUID: no MSR"); 2698103a8feaSLen Brown 2699103a8feaSLen Brown /* 2700103a8feaSLen Brown * check max extended function levels of CPUID. 2701103a8feaSLen Brown * This is needed to check for invariant TSC. 2702103a8feaSLen Brown * This check is valid for both Intel and AMD. 2703103a8feaSLen Brown */ 2704103a8feaSLen Brown ebx = ecx = edx = 0; 27052b92865eSJosh Triplett __get_cpuid(0x80000000, &max_level, &ebx, &ecx, &edx); 2706103a8feaSLen Brown 2707d7899447SLen Brown if (max_level >= 0x80000007) { 2708103a8feaSLen Brown 2709103a8feaSLen Brown /* 2710103a8feaSLen Brown * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8 2711103a8feaSLen Brown * this check is valid for both Intel and AMD 2712103a8feaSLen Brown */ 27132b92865eSJosh Triplett __get_cpuid(0x80000007, &eax, &ebx, &ecx, &edx); 27148209e054SThomas Renninger has_invariant_tsc = edx & (1 << 8); 2715d7899447SLen Brown } 2716103a8feaSLen Brown 2717103a8feaSLen Brown /* 2718103a8feaSLen Brown * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0 2719103a8feaSLen Brown * this check is valid for both Intel and AMD 2720103a8feaSLen Brown */ 2721103a8feaSLen Brown 27222b92865eSJosh Triplett __get_cpuid(0x6, &eax, &ebx, &ecx, &edx); 27238209e054SThomas Renninger has_aperf = ecx & (1 << 0); 2724889facbeSLen Brown do_dts = eax & (1 << 0); 2725889facbeSLen Brown do_ptm = eax & (1 << 6); 2726889facbeSLen Brown has_epb = ecx & (1 << 3); 2727889facbeSLen Brown 2728d8af6f5fSLen Brown if (debug) 2729a729617cSLen Brown fprintf(stderr, "CPUID(6): %sAPERF, %sDTS, %sPTM, %sEPB\n", 2730a729617cSLen Brown has_aperf ? "" : "No ", 2731a729617cSLen Brown do_dts ? "" : "No ", 2732a729617cSLen Brown do_ptm ? "" : "No ", 2733a729617cSLen Brown has_epb ? "" : "No "); 2734103a8feaSLen Brown 27358a5bdf41SLen Brown if (max_level > 0x15) { 27368a5bdf41SLen Brown unsigned int eax_crystal; 27378a5bdf41SLen Brown unsigned int ebx_tsc; 27388a5bdf41SLen Brown 27398a5bdf41SLen Brown /* 27408a5bdf41SLen Brown * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz 27418a5bdf41SLen Brown */ 27428a5bdf41SLen Brown eax_crystal = ebx_tsc = crystal_hz = edx = 0; 27438a5bdf41SLen Brown __get_cpuid(0x15, &eax_crystal, &ebx_tsc, &crystal_hz, &edx); 27448a5bdf41SLen Brown 27458a5bdf41SLen Brown if (ebx_tsc != 0) { 27468a5bdf41SLen Brown 27478a5bdf41SLen Brown if (debug && (ebx != 0)) 27488a5bdf41SLen Brown fprintf(stderr, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n", 27498a5bdf41SLen Brown eax_crystal, ebx_tsc, crystal_hz); 27508a5bdf41SLen Brown 27518a5bdf41SLen Brown if (crystal_hz == 0) 27528a5bdf41SLen Brown switch(model) { 27538a5bdf41SLen Brown case 0x4E: /* SKL */ 27548a5bdf41SLen Brown case 0x5E: /* SKL */ 27558a5bdf41SLen Brown crystal_hz = 24000000; /* 24 MHz */ 27568a5bdf41SLen Brown break; 27578a5bdf41SLen Brown default: 27588a5bdf41SLen Brown crystal_hz = 0; 27598a5bdf41SLen Brown } 27608a5bdf41SLen Brown 27618a5bdf41SLen Brown if (crystal_hz) { 27628a5bdf41SLen Brown tsc_hz = (unsigned long long) crystal_hz * ebx_tsc / eax_crystal; 27638a5bdf41SLen Brown if (debug) 27648a5bdf41SLen Brown fprintf(stderr, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n", 27658a5bdf41SLen Brown tsc_hz / 1000000, crystal_hz, ebx_tsc, eax_crystal); 27668a5bdf41SLen Brown } 27678a5bdf41SLen Brown } 27688a5bdf41SLen Brown } 27698a5bdf41SLen Brown 2770b2b34dfeSHubert Chrzaniuk if (has_aperf) 2771b2b34dfeSHubert Chrzaniuk aperf_mperf_multiplier = get_aperf_mperf_multiplier(family, model); 2772b2b34dfeSHubert Chrzaniuk 2773ee7e38e3SLen Brown do_nhm_platform_info = do_nhm_cstates = do_smi = probe_nhm_msrs(family, model); 2774d7899447SLen Brown do_snb_cstates = has_snb_msrs(family, model); 2775ee7e38e3SLen Brown do_pc2 = do_snb_cstates && (pkg_cstate_limit >= PCL__2); 2776ee7e38e3SLen Brown do_pc3 = (pkg_cstate_limit >= PCL__3); 2777ee7e38e3SLen Brown do_pc6 = (pkg_cstate_limit >= PCL__6); 2778ee7e38e3SLen Brown do_pc7 = do_snb_cstates && (pkg_cstate_limit >= PCL__7); 2779d7899447SLen Brown do_c8_c9_c10 = has_hsw_msrs(family, model); 27800b2bb692SLen Brown do_skl_residency = has_skl_msrs(family, model); 2781144b44b1SLen Brown do_slm_cstates = is_slm(family, model); 2782fb5d4327SDasaratharaman Chandramouli do_knl_cstates = is_knl(family, model); 2783103a8feaSLen Brown bclk = discover_bclk(family, model); 2784103a8feaSLen Brown 2785889facbeSLen Brown rapl_probe(family, model); 27863a9a941dSLen Brown perf_limit_reasons_probe(family, model); 2787889facbeSLen Brown 2788fcd17211SLen Brown if (debug) 2789fcd17211SLen Brown dump_cstate_pstate_config_info(); 2790fcd17211SLen Brown 2791*a2b7b749SLen Brown if (has_skl_msrs(family, model)) 2792*a2b7b749SLen Brown calculate_tsc_tweak(); 2793*a2b7b749SLen Brown 2794889facbeSLen Brown return; 2795103a8feaSLen Brown } 2796103a8feaSLen Brown 2797d8af6f5fSLen Brown void help() 2798103a8feaSLen Brown { 2799d8af6f5fSLen Brown fprintf(stderr, 2800d8af6f5fSLen Brown "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n" 2801d8af6f5fSLen Brown "\n" 2802d8af6f5fSLen Brown "Turbostat forks the specified COMMAND and prints statistics\n" 2803d8af6f5fSLen Brown "when COMMAND completes.\n" 2804d8af6f5fSLen Brown "If no COMMAND is specified, turbostat wakes every 5-seconds\n" 2805d8af6f5fSLen Brown "to print statistics, until interrupted.\n" 2806d8af6f5fSLen Brown "--debug run in \"debug\" mode\n" 2807d8af6f5fSLen Brown "--interval sec Override default 5-second measurement interval\n" 2808d8af6f5fSLen Brown "--help print this help message\n" 2809d8af6f5fSLen Brown "--counter msr print 32-bit counter at address \"msr\"\n" 2810d8af6f5fSLen Brown "--Counter msr print 64-bit Counter at address \"msr\"\n" 2811d8af6f5fSLen Brown "--msr msr print 32-bit value at address \"msr\"\n" 2812d8af6f5fSLen Brown "--MSR msr print 64-bit Value at address \"msr\"\n" 2813d8af6f5fSLen Brown "--version print version information\n" 2814d8af6f5fSLen Brown "\n" 2815d8af6f5fSLen Brown "For more help, run \"man turbostat\"\n"); 2816103a8feaSLen Brown } 2817103a8feaSLen Brown 2818103a8feaSLen Brown 2819103a8feaSLen Brown /* 2820103a8feaSLen Brown * in /dev/cpu/ return success for names that are numbers 2821103a8feaSLen Brown * ie. filter out ".", "..", "microcode". 2822103a8feaSLen Brown */ 2823103a8feaSLen Brown int dir_filter(const struct dirent *dirp) 2824103a8feaSLen Brown { 2825103a8feaSLen Brown if (isdigit(dirp->d_name[0])) 2826103a8feaSLen Brown return 1; 2827103a8feaSLen Brown else 2828103a8feaSLen Brown return 0; 2829103a8feaSLen Brown } 2830103a8feaSLen Brown 2831103a8feaSLen Brown int open_dev_cpu_msr(int dummy1) 2832103a8feaSLen Brown { 2833103a8feaSLen Brown return 0; 2834103a8feaSLen Brown } 2835103a8feaSLen Brown 2836c98d5d94SLen Brown void topology_probe() 2837c98d5d94SLen Brown { 2838c98d5d94SLen Brown int i; 2839c98d5d94SLen Brown int max_core_id = 0; 2840c98d5d94SLen Brown int max_package_id = 0; 2841c98d5d94SLen Brown int max_siblings = 0; 2842c98d5d94SLen Brown struct cpu_topology { 2843c98d5d94SLen Brown int core_id; 2844c98d5d94SLen Brown int physical_package_id; 2845c98d5d94SLen Brown } *cpus; 2846c98d5d94SLen Brown 2847c98d5d94SLen Brown /* Initialize num_cpus, max_cpu_num */ 2848c98d5d94SLen Brown topo.num_cpus = 0; 2849c98d5d94SLen Brown topo.max_cpu_num = 0; 2850c98d5d94SLen Brown for_all_proc_cpus(count_cpus); 2851c98d5d94SLen Brown if (!summary_only && topo.num_cpus > 1) 2852c98d5d94SLen Brown show_cpu = 1; 2853c98d5d94SLen Brown 2854d8af6f5fSLen Brown if (debug > 1) 2855c98d5d94SLen Brown fprintf(stderr, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num); 2856c98d5d94SLen Brown 2857c98d5d94SLen Brown cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology)); 2858b2c95d90SJosh Triplett if (cpus == NULL) 2859b2c95d90SJosh Triplett err(1, "calloc cpus"); 2860c98d5d94SLen Brown 2861c98d5d94SLen Brown /* 2862c98d5d94SLen Brown * Allocate and initialize cpu_present_set 2863c98d5d94SLen Brown */ 2864c98d5d94SLen Brown cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1)); 2865b2c95d90SJosh Triplett if (cpu_present_set == NULL) 2866b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 2867c98d5d94SLen Brown cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 2868c98d5d94SLen Brown CPU_ZERO_S(cpu_present_setsize, cpu_present_set); 2869c98d5d94SLen Brown for_all_proc_cpus(mark_cpu_present); 2870c98d5d94SLen Brown 2871c98d5d94SLen Brown /* 2872c98d5d94SLen Brown * Allocate and initialize cpu_affinity_set 2873c98d5d94SLen Brown */ 2874c98d5d94SLen Brown cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1)); 2875b2c95d90SJosh Triplett if (cpu_affinity_set == NULL) 2876b2c95d90SJosh Triplett err(3, "CPU_ALLOC"); 2877c98d5d94SLen Brown cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1)); 2878c98d5d94SLen Brown CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set); 2879c98d5d94SLen Brown 2880c98d5d94SLen Brown 2881c98d5d94SLen Brown /* 2882c98d5d94SLen Brown * For online cpus 2883c98d5d94SLen Brown * find max_core_id, max_package_id 2884c98d5d94SLen Brown */ 2885c98d5d94SLen Brown for (i = 0; i <= topo.max_cpu_num; ++i) { 2886c98d5d94SLen Brown int siblings; 2887c98d5d94SLen Brown 2888c98d5d94SLen Brown if (cpu_is_not_present(i)) { 2889d8af6f5fSLen Brown if (debug > 1) 2890c98d5d94SLen Brown fprintf(stderr, "cpu%d NOT PRESENT\n", i); 2891c98d5d94SLen Brown continue; 2892c98d5d94SLen Brown } 2893c98d5d94SLen Brown cpus[i].core_id = get_core_id(i); 2894c98d5d94SLen Brown if (cpus[i].core_id > max_core_id) 2895c98d5d94SLen Brown max_core_id = cpus[i].core_id; 2896c98d5d94SLen Brown 2897c98d5d94SLen Brown cpus[i].physical_package_id = get_physical_package_id(i); 2898c98d5d94SLen Brown if (cpus[i].physical_package_id > max_package_id) 2899c98d5d94SLen Brown max_package_id = cpus[i].physical_package_id; 2900c98d5d94SLen Brown 2901c98d5d94SLen Brown siblings = get_num_ht_siblings(i); 2902c98d5d94SLen Brown if (siblings > max_siblings) 2903c98d5d94SLen Brown max_siblings = siblings; 2904d8af6f5fSLen Brown if (debug > 1) 2905c98d5d94SLen Brown fprintf(stderr, "cpu %d pkg %d core %d\n", 2906c98d5d94SLen Brown i, cpus[i].physical_package_id, cpus[i].core_id); 2907c98d5d94SLen Brown } 2908c98d5d94SLen Brown topo.num_cores_per_pkg = max_core_id + 1; 2909d8af6f5fSLen Brown if (debug > 1) 2910c98d5d94SLen Brown fprintf(stderr, "max_core_id %d, sizing for %d cores per package\n", 2911c98d5d94SLen Brown max_core_id, topo.num_cores_per_pkg); 29121cc21f7bSLen Brown if (debug && !summary_only && topo.num_cores_per_pkg > 1) 2913c98d5d94SLen Brown show_core = 1; 2914c98d5d94SLen Brown 2915c98d5d94SLen Brown topo.num_packages = max_package_id + 1; 2916d8af6f5fSLen Brown if (debug > 1) 2917c98d5d94SLen Brown fprintf(stderr, "max_package_id %d, sizing for %d packages\n", 2918c98d5d94SLen Brown max_package_id, topo.num_packages); 29191cc21f7bSLen Brown if (debug && !summary_only && topo.num_packages > 1) 2920c98d5d94SLen Brown show_pkg = 1; 2921c98d5d94SLen Brown 2922c98d5d94SLen Brown topo.num_threads_per_core = max_siblings; 2923d8af6f5fSLen Brown if (debug > 1) 2924c98d5d94SLen Brown fprintf(stderr, "max_siblings %d\n", max_siblings); 2925c98d5d94SLen Brown 2926c98d5d94SLen Brown free(cpus); 2927c98d5d94SLen Brown } 2928c98d5d94SLen Brown 2929c98d5d94SLen Brown void 2930c98d5d94SLen Brown allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p) 2931c98d5d94SLen Brown { 2932c98d5d94SLen Brown int i; 2933c98d5d94SLen Brown 2934c98d5d94SLen Brown *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg * 2935c98d5d94SLen Brown topo.num_packages, sizeof(struct thread_data)); 2936c98d5d94SLen Brown if (*t == NULL) 2937c98d5d94SLen Brown goto error; 2938c98d5d94SLen Brown 2939c98d5d94SLen Brown for (i = 0; i < topo.num_threads_per_core * 2940c98d5d94SLen Brown topo.num_cores_per_pkg * topo.num_packages; i++) 2941c98d5d94SLen Brown (*t)[i].cpu_id = -1; 2942c98d5d94SLen Brown 2943c98d5d94SLen Brown *c = calloc(topo.num_cores_per_pkg * topo.num_packages, 2944c98d5d94SLen Brown sizeof(struct core_data)); 2945c98d5d94SLen Brown if (*c == NULL) 2946c98d5d94SLen Brown goto error; 2947c98d5d94SLen Brown 2948c98d5d94SLen Brown for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++) 2949c98d5d94SLen Brown (*c)[i].core_id = -1; 2950c98d5d94SLen Brown 2951c98d5d94SLen Brown *p = calloc(topo.num_packages, sizeof(struct pkg_data)); 2952c98d5d94SLen Brown if (*p == NULL) 2953c98d5d94SLen Brown goto error; 2954c98d5d94SLen Brown 2955c98d5d94SLen Brown for (i = 0; i < topo.num_packages; i++) 2956c98d5d94SLen Brown (*p)[i].package_id = i; 2957c98d5d94SLen Brown 2958c98d5d94SLen Brown return; 2959c98d5d94SLen Brown error: 2960b2c95d90SJosh Triplett err(1, "calloc counters"); 2961c98d5d94SLen Brown } 2962c98d5d94SLen Brown /* 2963c98d5d94SLen Brown * init_counter() 2964c98d5d94SLen Brown * 2965c98d5d94SLen Brown * set cpu_id, core_num, pkg_num 2966c98d5d94SLen Brown * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE 2967c98d5d94SLen Brown * 2968c98d5d94SLen Brown * increment topo.num_cores when 1st core in pkg seen 2969c98d5d94SLen Brown */ 2970c98d5d94SLen Brown void init_counter(struct thread_data *thread_base, struct core_data *core_base, 2971c98d5d94SLen Brown struct pkg_data *pkg_base, int thread_num, int core_num, 2972c98d5d94SLen Brown int pkg_num, int cpu_id) 2973c98d5d94SLen Brown { 2974c98d5d94SLen Brown struct thread_data *t; 2975c98d5d94SLen Brown struct core_data *c; 2976c98d5d94SLen Brown struct pkg_data *p; 2977c98d5d94SLen Brown 2978c98d5d94SLen Brown t = GET_THREAD(thread_base, thread_num, core_num, pkg_num); 2979c98d5d94SLen Brown c = GET_CORE(core_base, core_num, pkg_num); 2980c98d5d94SLen Brown p = GET_PKG(pkg_base, pkg_num); 2981c98d5d94SLen Brown 2982c98d5d94SLen Brown t->cpu_id = cpu_id; 2983c98d5d94SLen Brown if (thread_num == 0) { 2984c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_THREAD_IN_CORE; 2985c98d5d94SLen Brown if (cpu_is_first_core_in_package(cpu_id)) 2986c98d5d94SLen Brown t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE; 2987c98d5d94SLen Brown } 2988c98d5d94SLen Brown 2989c98d5d94SLen Brown c->core_id = core_num; 2990c98d5d94SLen Brown p->package_id = pkg_num; 2991c98d5d94SLen Brown } 2992c98d5d94SLen Brown 2993c98d5d94SLen Brown 2994c98d5d94SLen Brown int initialize_counters(int cpu_id) 2995c98d5d94SLen Brown { 2996c98d5d94SLen Brown int my_thread_id, my_core_id, my_package_id; 2997c98d5d94SLen Brown 2998c98d5d94SLen Brown my_package_id = get_physical_package_id(cpu_id); 2999c98d5d94SLen Brown my_core_id = get_core_id(cpu_id); 3000e275b388SDasaratharaman Chandramouli my_thread_id = get_cpu_position_in_core(cpu_id); 3001e275b388SDasaratharaman Chandramouli if (!my_thread_id) 3002c98d5d94SLen Brown topo.num_cores++; 3003c98d5d94SLen Brown 3004c98d5d94SLen Brown init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3005c98d5d94SLen Brown init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id); 3006c98d5d94SLen Brown return 0; 3007c98d5d94SLen Brown } 3008c98d5d94SLen Brown 3009c98d5d94SLen Brown void allocate_output_buffer() 3010c98d5d94SLen Brown { 30113b4d5c7fSAndy Shevchenko output_buffer = calloc(1, (1 + topo.num_cpus) * 1024); 3012c98d5d94SLen Brown outp = output_buffer; 3013b2c95d90SJosh Triplett if (outp == NULL) 3014b2c95d90SJosh Triplett err(-1, "calloc output buffer"); 3015c98d5d94SLen Brown } 3016c98d5d94SLen Brown 3017c98d5d94SLen Brown void setup_all_buffers(void) 3018c98d5d94SLen Brown { 3019c98d5d94SLen Brown topology_probe(); 3020c98d5d94SLen Brown allocate_counters(&thread_even, &core_even, &package_even); 3021c98d5d94SLen Brown allocate_counters(&thread_odd, &core_odd, &package_odd); 3022c98d5d94SLen Brown allocate_output_buffer(); 3023c98d5d94SLen Brown for_all_proc_cpus(initialize_counters); 3024c98d5d94SLen Brown } 30253b4d5c7fSAndy Shevchenko 30267ce7d5deSPrarit Bhargava void set_base_cpu(void) 30277ce7d5deSPrarit Bhargava { 30287ce7d5deSPrarit Bhargava base_cpu = sched_getcpu(); 30297ce7d5deSPrarit Bhargava if (base_cpu < 0) 30307ce7d5deSPrarit Bhargava err(-ENODEV, "No valid cpus found"); 30317ce7d5deSPrarit Bhargava 30327ce7d5deSPrarit Bhargava if (debug > 1) 30337ce7d5deSPrarit Bhargava fprintf(stderr, "base_cpu = %d\n", base_cpu); 30347ce7d5deSPrarit Bhargava } 30357ce7d5deSPrarit Bhargava 3036103a8feaSLen Brown void turbostat_init() 3037103a8feaSLen Brown { 30387ce7d5deSPrarit Bhargava setup_all_buffers(); 30397ce7d5deSPrarit Bhargava set_base_cpu(); 3040103a8feaSLen Brown check_dev_msr(); 304198481e79SLen Brown check_permissions(); 3042fcd17211SLen Brown process_cpuid(); 3043103a8feaSLen Brown 3044103a8feaSLen Brown 3045d8af6f5fSLen Brown if (debug) 3046889facbeSLen Brown for_all_cpus(print_epb, ODD_COUNTERS); 3047889facbeSLen Brown 3048d8af6f5fSLen Brown if (debug) 30493a9a941dSLen Brown for_all_cpus(print_perf_limit, ODD_COUNTERS); 30503a9a941dSLen Brown 3051d8af6f5fSLen Brown if (debug) 3052889facbeSLen Brown for_all_cpus(print_rapl, ODD_COUNTERS); 3053889facbeSLen Brown 3054889facbeSLen Brown for_all_cpus(set_temperature_target, ODD_COUNTERS); 3055889facbeSLen Brown 3056d8af6f5fSLen Brown if (debug) 3057889facbeSLen Brown for_all_cpus(print_thermal, ODD_COUNTERS); 3058103a8feaSLen Brown } 3059103a8feaSLen Brown 3060103a8feaSLen Brown int fork_it(char **argv) 3061103a8feaSLen Brown { 3062103a8feaSLen Brown pid_t child_pid; 3063d91bb17cSLen Brown int status; 3064d15cf7c1SLen Brown 3065d91bb17cSLen Brown status = for_all_cpus(get_counters, EVEN_COUNTERS); 3066d91bb17cSLen Brown if (status) 3067d91bb17cSLen Brown exit(status); 3068d15cf7c1SLen Brown /* clear affinity side-effect of get_counters() */ 3069d15cf7c1SLen Brown sched_setaffinity(0, cpu_present_setsize, cpu_present_set); 3070103a8feaSLen Brown gettimeofday(&tv_even, (struct timezone *)NULL); 3071103a8feaSLen Brown 3072103a8feaSLen Brown child_pid = fork(); 3073103a8feaSLen Brown if (!child_pid) { 3074103a8feaSLen Brown /* child */ 3075103a8feaSLen Brown execvp(argv[0], argv); 3076103a8feaSLen Brown } else { 3077103a8feaSLen Brown 3078103a8feaSLen Brown /* parent */ 3079b2c95d90SJosh Triplett if (child_pid == -1) 3080b2c95d90SJosh Triplett err(1, "fork"); 3081103a8feaSLen Brown 3082103a8feaSLen Brown signal(SIGINT, SIG_IGN); 3083103a8feaSLen Brown signal(SIGQUIT, SIG_IGN); 3084b2c95d90SJosh Triplett if (waitpid(child_pid, &status, 0) == -1) 3085b2c95d90SJosh Triplett err(status, "waitpid"); 3086103a8feaSLen Brown } 3087c98d5d94SLen Brown /* 3088c98d5d94SLen Brown * n.b. fork_it() does not check for errors from for_all_cpus() 3089c98d5d94SLen Brown * because re-starting is problematic when forking 3090c98d5d94SLen Brown */ 3091c98d5d94SLen Brown for_all_cpus(get_counters, ODD_COUNTERS); 3092103a8feaSLen Brown gettimeofday(&tv_odd, (struct timezone *)NULL); 3093103a8feaSLen Brown timersub(&tv_odd, &tv_even, &tv_delta); 3094c98d5d94SLen Brown for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS); 3095c98d5d94SLen Brown compute_average(EVEN_COUNTERS); 3096c98d5d94SLen Brown format_all_counters(EVEN_COUNTERS); 3097c98d5d94SLen Brown flush_stderr(); 3098103a8feaSLen Brown 30996eab04a8SJustin P. Mattock fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); 3100103a8feaSLen Brown 3101d91bb17cSLen Brown return status; 3102103a8feaSLen Brown } 3103103a8feaSLen Brown 31043b4d5c7fSAndy Shevchenko int get_and_dump_counters(void) 31053b4d5c7fSAndy Shevchenko { 31063b4d5c7fSAndy Shevchenko int status; 31073b4d5c7fSAndy Shevchenko 31083b4d5c7fSAndy Shevchenko status = for_all_cpus(get_counters, ODD_COUNTERS); 31093b4d5c7fSAndy Shevchenko if (status) 31103b4d5c7fSAndy Shevchenko return status; 31113b4d5c7fSAndy Shevchenko 31123b4d5c7fSAndy Shevchenko status = for_all_cpus(dump_counters, ODD_COUNTERS); 31133b4d5c7fSAndy Shevchenko if (status) 31143b4d5c7fSAndy Shevchenko return status; 31153b4d5c7fSAndy Shevchenko 31163b4d5c7fSAndy Shevchenko flush_stdout(); 31173b4d5c7fSAndy Shevchenko 31183b4d5c7fSAndy Shevchenko return status; 31193b4d5c7fSAndy Shevchenko } 31203b4d5c7fSAndy Shevchenko 3121d8af6f5fSLen Brown void print_version() { 31226fb3143bSLen Brown fprintf(stderr, "turbostat version 4.7 17-June, 2015" 3123d8af6f5fSLen Brown " - Len Brown <lenb@kernel.org>\n"); 3124d8af6f5fSLen Brown } 3125d8af6f5fSLen Brown 3126103a8feaSLen Brown void cmdline(int argc, char **argv) 3127103a8feaSLen Brown { 3128103a8feaSLen Brown int opt; 3129d8af6f5fSLen Brown int option_index = 0; 3130d8af6f5fSLen Brown static struct option long_options[] = { 3131d8af6f5fSLen Brown {"Counter", required_argument, 0, 'C'}, 3132d8af6f5fSLen Brown {"counter", required_argument, 0, 'c'}, 3133d8af6f5fSLen Brown {"Dump", no_argument, 0, 'D'}, 3134d8af6f5fSLen Brown {"debug", no_argument, 0, 'd'}, 3135d8af6f5fSLen Brown {"interval", required_argument, 0, 'i'}, 3136d8af6f5fSLen Brown {"help", no_argument, 0, 'h'}, 3137d8af6f5fSLen Brown {"Joules", no_argument, 0, 'J'}, 3138d8af6f5fSLen Brown {"MSR", required_argument, 0, 'M'}, 3139d8af6f5fSLen Brown {"msr", required_argument, 0, 'm'}, 3140d8af6f5fSLen Brown {"Package", no_argument, 0, 'p'}, 3141d8af6f5fSLen Brown {"processor", no_argument, 0, 'p'}, 3142d8af6f5fSLen Brown {"Summary", no_argument, 0, 'S'}, 3143d8af6f5fSLen Brown {"TCC", required_argument, 0, 'T'}, 3144d8af6f5fSLen Brown {"version", no_argument, 0, 'v' }, 3145d8af6f5fSLen Brown {0, 0, 0, 0 } 3146d8af6f5fSLen Brown }; 3147103a8feaSLen Brown 3148103a8feaSLen Brown progname = argv[0]; 3149103a8feaSLen Brown 3150a01e72fbSLen Brown while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:JM:m:PpST:v", 3151d8af6f5fSLen Brown long_options, &option_index)) != -1) { 3152103a8feaSLen Brown switch (opt) { 3153d8af6f5fSLen Brown case 'C': 3154d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_delta_offset64); 3155103a8feaSLen Brown break; 3156f9240813SLen Brown case 'c': 31578e180f3cSLen Brown sscanf(optarg, "%x", &extra_delta_offset32); 31588e180f3cSLen Brown break; 3159d8af6f5fSLen Brown case 'D': 3160d8af6f5fSLen Brown dump_only++; 31618e180f3cSLen Brown break; 3162d8af6f5fSLen Brown case 'd': 3163d8af6f5fSLen Brown debug++; 31642f32edf1SLen Brown break; 3165d8af6f5fSLen Brown case 'h': 3166d8af6f5fSLen Brown default: 3167d8af6f5fSLen Brown help(); 3168d8af6f5fSLen Brown exit(1); 3169d8af6f5fSLen Brown case 'i': 3170d8af6f5fSLen Brown interval_sec = atoi(optarg); 3171889facbeSLen Brown break; 31725c56be9aSDirk Brandewie case 'J': 31735c56be9aSDirk Brandewie rapl_joules++; 31745c56be9aSDirk Brandewie break; 3175d8af6f5fSLen Brown case 'M': 3176d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset64); 3177d8af6f5fSLen Brown break; 3178d8af6f5fSLen Brown case 'm': 3179d8af6f5fSLen Brown sscanf(optarg, "%x", &extra_msr_offset32); 3180d8af6f5fSLen Brown break; 3181d8af6f5fSLen Brown case 'P': 3182d8af6f5fSLen Brown show_pkg_only++; 3183d8af6f5fSLen Brown break; 3184d8af6f5fSLen Brown case 'p': 3185d8af6f5fSLen Brown show_core_only++; 3186d8af6f5fSLen Brown break; 3187d8af6f5fSLen Brown case 'S': 3188d8af6f5fSLen Brown summary_only++; 3189d8af6f5fSLen Brown break; 3190d8af6f5fSLen Brown case 'T': 3191d8af6f5fSLen Brown tcc_activation_temp_override = atoi(optarg); 3192d8af6f5fSLen Brown break; 3193d8af6f5fSLen Brown case 'v': 3194d8af6f5fSLen Brown print_version(); 3195d8af6f5fSLen Brown exit(0); 3196d8af6f5fSLen Brown break; 3197103a8feaSLen Brown } 3198103a8feaSLen Brown } 3199103a8feaSLen Brown } 3200103a8feaSLen Brown 3201103a8feaSLen Brown int main(int argc, char **argv) 3202103a8feaSLen Brown { 3203103a8feaSLen Brown cmdline(argc, argv); 3204103a8feaSLen Brown 3205d8af6f5fSLen Brown if (debug) 3206d8af6f5fSLen Brown print_version(); 3207103a8feaSLen Brown 3208103a8feaSLen Brown turbostat_init(); 3209103a8feaSLen Brown 32103b4d5c7fSAndy Shevchenko /* dump counters and exit */ 32113b4d5c7fSAndy Shevchenko if (dump_only) 32123b4d5c7fSAndy Shevchenko return get_and_dump_counters(); 32133b4d5c7fSAndy Shevchenko 3214103a8feaSLen Brown /* 3215103a8feaSLen Brown * if any params left, it must be a command to fork 3216103a8feaSLen Brown */ 3217103a8feaSLen Brown if (argc - optind) 3218103a8feaSLen Brown return fork_it(argv + optind); 3219103a8feaSLen Brown else 3220103a8feaSLen Brown turbostat_loop(); 3221103a8feaSLen Brown 3222103a8feaSLen Brown return 0; 3223103a8feaSLen Brown } 3224