2 * turbostat -- show CPU frequency and C-state residency
3 * on modern Intel turbo-capable processors.
5 * Copyright (c) 2012 Intel Corporation.
6 * Len Brown <len.brown@intel.com>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms and conditions of the GNU General Public License,
10 * version 2, as published by the Free Software Foundation.
12 * This program is distributed in the hope it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 * You should have received a copy of the GNU General Public License along with
18 * this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
26 #include <sys/types.h>
29 #include <sys/resource.h>
39 char *proc_stat = "/proc/stat";
40 unsigned int interval_sec = 5; /* set with -i interval_sec */
41 unsigned int verbose; /* set with -v */
42 unsigned int rapl_verbose; /* set with -R */
43 unsigned int thermal_verbose; /* set with -T */
44 unsigned int summary_only; /* set with -s */
47 unsigned int do_nhm_cstates;
48 unsigned int do_snb_cstates;
49 unsigned int has_aperf;
51 unsigned int units = 1000000000; /* Ghz etc */
52 unsigned int genuine_intel;
53 unsigned int has_invariant_tsc;
54 unsigned int do_nehalem_platform_info;
55 unsigned int do_nehalem_turbo_ratio_limit;
56 unsigned int do_ivt_turbo_ratio_limit;
57 unsigned int extra_msr_offset32;
58 unsigned int extra_msr_offset64;
59 unsigned int extra_delta_offset32;
60 unsigned int extra_delta_offset64;
63 unsigned int show_pkg;
64 unsigned int show_core;
65 unsigned int show_cpu;
66 unsigned int show_pkg_only;
67 unsigned int show_core_only;
68 char *output_buffer, *outp;
72 unsigned int tcc_activation_temp;
73 unsigned int tcc_activation_temp_override;
74 double rapl_power_units, rapl_energy_units, rapl_time_units;
75 double rapl_joule_counter_range;
77 #define RAPL_PKG (1 << 0)
78 #define RAPL_CORES (1 << 1)
79 #define RAPL_GFX (1 << 2)
80 #define RAPL_DRAM (1 << 3)
81 #define RAPL_PKG_PERF_STATUS (1 << 4)
82 #define RAPL_DRAM_PERF_STATUS (1 << 5)
83 #define TJMAX_DEFAULT 100
85 #define MAX(a, b) ((a) > (b) ? (a) : (b))
87 int aperf_mperf_unstable;
91 cpu_set_t *cpu_present_set, *cpu_affinity_set;
92 size_t cpu_present_setsize, cpu_affinity_setsize;
95 unsigned long long tsc;
96 unsigned long long aperf;
97 unsigned long long mperf;
98 unsigned long long c1; /* derived */
99 unsigned long long extra_msr64;
100 unsigned long long extra_delta64;
101 unsigned long long extra_msr32;
102 unsigned long long extra_delta32;
103 unsigned int smi_count;
106 #define CPU_IS_FIRST_THREAD_IN_CORE 0x2
107 #define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4
108 } *thread_even, *thread_odd;
111 unsigned long long c3;
112 unsigned long long c6;
113 unsigned long long c7;
114 unsigned int core_temp_c;
115 unsigned int core_id;
116 } *core_even, *core_odd;
119 unsigned long long pc2;
120 unsigned long long pc3;
121 unsigned long long pc6;
122 unsigned long long pc7;
123 unsigned int package_id;
124 unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */
125 unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */
126 unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */
127 unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */
128 unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */
129 unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */
130 unsigned int pkg_temp_c;
132 } *package_even, *package_odd;
134 #define ODD_COUNTERS thread_odd, core_odd, package_odd
135 #define EVEN_COUNTERS thread_even, core_even, package_even
137 #define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \
138 (thread_base + (pkg_no) * topo.num_cores_per_pkg * \
139 topo.num_threads_per_core + \
140 (core_no) * topo.num_threads_per_core + (thread_no))
141 #define GET_CORE(core_base, core_no, pkg_no) \
142 (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no))
143 #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no)
145 struct system_summary {
146 struct thread_data threads;
147 struct core_data cores;
148 struct pkg_data packages;
157 int num_cores_per_pkg;
158 int num_threads_per_core;
161 struct timeval tv_even, tv_odd, tv_delta;
163 void setup_all_buffers(void);
165 int cpu_is_not_present(int cpu)
167 return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set);
170 * run func(thread, core, package) in topology order
171 * skip non-present cpus
174 int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *),
175 struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base)
177 int retval, pkg_no, core_no, thread_no;
179 for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
180 for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
181 for (thread_no = 0; thread_no <
182 topo.num_threads_per_core; ++thread_no) {
183 struct thread_data *t;
187 t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
189 if (cpu_is_not_present(t->cpu_id))
192 c = GET_CORE(core_base, core_no, pkg_no);
193 p = GET_PKG(pkg_base, pkg_no);
195 retval = func(t, c, p);
204 int cpu_migrate(int cpu)
206 CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
207 CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set);
208 if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1)
214 int get_msr(int cpu, off_t offset, unsigned long long *msr)
220 sprintf(pathname, "/dev/cpu/%d/msr", cpu);
221 fd = open(pathname, O_RDONLY);
225 retval = pread(fd, msr, sizeof *msr, offset);
228 if (retval != sizeof *msr) {
229 fprintf(stderr, "%s offset 0x%zx read failed\n", pathname, offset);
236 void print_header(void)
239 outp += sprintf(outp, "pk");
241 outp += sprintf(outp, " ");
243 outp += sprintf(outp, "cor");
245 outp += sprintf(outp, " CPU");
246 if (show_pkg || show_core || show_cpu)
247 outp += sprintf(outp, " ");
249 outp += sprintf(outp, " %%c0");
251 outp += sprintf(outp, " GHz");
252 outp += sprintf(outp, " TSC");
254 outp += sprintf(outp, " SMI");
255 if (extra_delta_offset32)
256 outp += sprintf(outp, " count 0x%03X", extra_delta_offset32);
257 if (extra_delta_offset64)
258 outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64);
259 if (extra_msr_offset32)
260 outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32);
261 if (extra_msr_offset64)
262 outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64);
264 outp += sprintf(outp, " %%c1");
266 outp += sprintf(outp, " %%c3");
268 outp += sprintf(outp, " %%c6");
270 outp += sprintf(outp, " %%c7");
273 outp += sprintf(outp, " CTMP");
275 outp += sprintf(outp, " PTMP");
278 outp += sprintf(outp, " %%pc2");
280 outp += sprintf(outp, " %%pc3");
282 outp += sprintf(outp, " %%pc6");
284 outp += sprintf(outp, " %%pc7");
286 if (do_rapl & RAPL_PKG)
287 outp += sprintf(outp, " Pkg_W");
288 if (do_rapl & RAPL_CORES)
289 outp += sprintf(outp, " Cor_W");
290 if (do_rapl & RAPL_GFX)
291 outp += sprintf(outp, " GFX_W");
292 if (do_rapl & RAPL_DRAM)
293 outp += sprintf(outp, " RAM_W");
294 if (do_rapl & RAPL_PKG_PERF_STATUS)
295 outp += sprintf(outp, " PKG_%%");
296 if (do_rapl & RAPL_DRAM_PERF_STATUS)
297 outp += sprintf(outp, " RAM_%%");
299 outp += sprintf(outp, "\n");
302 int dump_counters(struct thread_data *t, struct core_data *c,
305 fprintf(stderr, "t %p, c %p, p %p\n", t, c, p);
308 fprintf(stderr, "CPU: %d flags 0x%x\n", t->cpu_id, t->flags);
309 fprintf(stderr, "TSC: %016llX\n", t->tsc);
310 fprintf(stderr, "aperf: %016llX\n", t->aperf);
311 fprintf(stderr, "mperf: %016llX\n", t->mperf);
312 fprintf(stderr, "c1: %016llX\n", t->c1);
313 fprintf(stderr, "msr0x%x: %08llX\n",
314 extra_delta_offset32, t->extra_delta32);
315 fprintf(stderr, "msr0x%x: %016llX\n",
316 extra_delta_offset64, t->extra_delta64);
317 fprintf(stderr, "msr0x%x: %08llX\n",
318 extra_msr_offset32, t->extra_msr32);
319 fprintf(stderr, "msr0x%x: %016llX\n",
320 extra_msr_offset64, t->extra_msr64);
322 fprintf(stderr, "SMI: %08X\n", t->smi_count);
326 fprintf(stderr, "core: %d\n", c->core_id);
327 fprintf(stderr, "c3: %016llX\n", c->c3);
328 fprintf(stderr, "c6: %016llX\n", c->c6);
329 fprintf(stderr, "c7: %016llX\n", c->c7);
330 fprintf(stderr, "DTS: %dC\n", c->core_temp_c);
334 fprintf(stderr, "package: %d\n", p->package_id);
335 fprintf(stderr, "pc2: %016llX\n", p->pc2);
336 fprintf(stderr, "pc3: %016llX\n", p->pc3);
337 fprintf(stderr, "pc6: %016llX\n", p->pc6);
338 fprintf(stderr, "pc7: %016llX\n", p->pc7);
339 fprintf(stderr, "Joules PKG: %0X\n", p->energy_pkg);
340 fprintf(stderr, "Joules COR: %0X\n", p->energy_cores);
341 fprintf(stderr, "Joules GFX: %0X\n", p->energy_gfx);
342 fprintf(stderr, "Joules RAM: %0X\n", p->energy_dram);
343 fprintf(stderr, "Throttle PKG: %0X\n", p->rapl_pkg_perf_status);
344 fprintf(stderr, "Throttle RAM: %0X\n", p->rapl_dram_perf_status);
345 fprintf(stderr, "PTM: %dC\n", p->pkg_temp_c);
351 * column formatting convention & formats
352 * package: "pk" 2 columns %2d
353 * core: "cor" 3 columns %3d
354 * CPU: "CPU" 3 columns %3d
359 * GHz: "GHz" 3 columns %3.2
360 * TSC: "TSC" 3 columns %3.2
361 * SMI: "SMI" 4 columns %4d
362 * percentage " %pc3" %6.2
363 * Perf Status percentage: %5.2
364 * "CTMP" 4 columns %4d
366 int format_counters(struct thread_data *t, struct core_data *c,
369 double interval_float;
372 /* if showing only 1st thread in core and this isn't one, bail out */
373 if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
376 /* if showing only 1st thread in pkg and this isn't one, bail out */
377 if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
380 interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0;
382 /* topo columns, print blanks on 1st (average) line */
383 if (t == &average.threads) {
385 outp += sprintf(outp, " ");
386 if (show_pkg && show_core)
387 outp += sprintf(outp, " ");
389 outp += sprintf(outp, " ");
391 outp += sprintf(outp, " " " ");
395 outp += sprintf(outp, "%2d", p->package_id);
397 outp += sprintf(outp, " ");
399 if (show_pkg && show_core)
400 outp += sprintf(outp, " ");
403 outp += sprintf(outp, "%3d", c->core_id);
405 outp += sprintf(outp, " ");
408 outp += sprintf(outp, " %3d", t->cpu_id);
411 if (do_nhm_cstates) {
412 if (show_pkg || show_core || show_cpu)
413 outp += sprintf(outp, " ");
415 outp += sprintf(outp, "%6.2f", 100.0 * t->mperf/t->tsc);
417 outp += sprintf(outp, " ****");
422 if (!aperf_mperf_unstable) {
423 outp += sprintf(outp, " %3.2f",
424 1.0 * t->tsc / units * t->aperf /
425 t->mperf / interval_float);
427 if (t->aperf > t->tsc || t->mperf > t->tsc) {
428 outp += sprintf(outp, " ***");
430 outp += sprintf(outp, "%3.1f*",
433 t->mperf / interval_float);
439 outp += sprintf(outp, "%5.2f", 1.0 * t->tsc/units/interval_float);
443 outp += sprintf(outp, "%4d", t->smi_count);
446 if (extra_delta_offset32)
447 outp += sprintf(outp, " %11llu", t->extra_delta32);
450 if (extra_delta_offset64)
451 outp += sprintf(outp, " %11llu", t->extra_delta64);
453 if (extra_msr_offset32)
454 outp += sprintf(outp, " 0x%08llx", t->extra_msr32);
457 if (extra_msr_offset64)
458 outp += sprintf(outp, " 0x%016llx", t->extra_msr64);
460 if (do_nhm_cstates) {
462 outp += sprintf(outp, " %6.2f", 100.0 * t->c1/t->tsc);
464 outp += sprintf(outp, " ****");
467 /* print per-core data only for 1st thread in core */
468 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
472 outp += sprintf(outp, " %6.2f", 100.0 * c->c3/t->tsc);
474 outp += sprintf(outp, " %6.2f", 100.0 * c->c6/t->tsc);
476 outp += sprintf(outp, " %6.2f", 100.0 * c->c7/t->tsc);
479 outp += sprintf(outp, " %4d", c->core_temp_c);
481 /* print per-package data only for 1st core in package */
482 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
486 outp += sprintf(outp, " %4d", p->pkg_temp_c);
489 outp += sprintf(outp, " %6.2f", 100.0 * p->pc2/t->tsc);
491 outp += sprintf(outp, " %6.2f", 100.0 * p->pc3/t->tsc);
493 outp += sprintf(outp, " %6.2f", 100.0 * p->pc6/t->tsc);
495 outp += sprintf(outp, " %6.2f", 100.0 * p->pc7/t->tsc);
498 * If measurement interval exceeds minimum RAPL Joule Counter range,
499 * indicate that results are suspect by printing "**" in fraction place.
501 if (interval_float < rapl_joule_counter_range) {
509 if (do_rapl & RAPL_PKG)
510 outp += sprintf(outp, fmt6, p->energy_pkg * rapl_energy_units / interval_float);
511 if (do_rapl & RAPL_CORES)
512 outp += sprintf(outp, fmt6, p->energy_cores * rapl_energy_units / interval_float);
513 if (do_rapl & RAPL_GFX)
514 outp += sprintf(outp, fmt5, p->energy_gfx * rapl_energy_units / interval_float);
515 if (do_rapl & RAPL_DRAM)
516 outp += sprintf(outp, fmt5, p->energy_dram * rapl_energy_units / interval_float);
517 if (do_rapl & RAPL_PKG_PERF_STATUS )
518 outp += sprintf(outp, fmt5, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
519 if (do_rapl & RAPL_DRAM_PERF_STATUS )
520 outp += sprintf(outp, fmt5, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);
523 outp += sprintf(outp, "\n");
530 fputs(output_buffer, stdout);
532 outp = output_buffer;
536 fputs(output_buffer, stderr);
537 outp = output_buffer;
539 void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
543 if (!printed || !summary_only)
546 if (topo.num_cpus > 1)
547 format_counters(&average.threads, &average.cores,
555 for_all_cpus(format_counters, t, c, p);
558 #define DELTA_WRAP32(new, old) \
562 old = 0x100000000 + new - old; \
566 delta_package(struct pkg_data *new, struct pkg_data *old)
568 old->pc2 = new->pc2 - old->pc2;
569 old->pc3 = new->pc3 - old->pc3;
570 old->pc6 = new->pc6 - old->pc6;
571 old->pc7 = new->pc7 - old->pc7;
572 old->pkg_temp_c = new->pkg_temp_c;
574 DELTA_WRAP32(new->energy_pkg, old->energy_pkg);
575 DELTA_WRAP32(new->energy_cores, old->energy_cores);
576 DELTA_WRAP32(new->energy_gfx, old->energy_gfx);
577 DELTA_WRAP32(new->energy_dram, old->energy_dram);
578 DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status);
579 DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status);
583 delta_core(struct core_data *new, struct core_data *old)
585 old->c3 = new->c3 - old->c3;
586 old->c6 = new->c6 - old->c6;
587 old->c7 = new->c7 - old->c7;
588 old->core_temp_c = new->core_temp_c;
595 delta_thread(struct thread_data *new, struct thread_data *old,
596 struct core_data *core_delta)
598 old->tsc = new->tsc - old->tsc;
600 /* check for TSC < 1 Mcycles over interval */
601 if (old->tsc < (1000 * 1000)) {
602 fprintf(stderr, "Insanely slow TSC rate, TSC stops in idle?\n");
603 fprintf(stderr, "You can disable all c-states by booting with \"idle=poll\"\n");
604 fprintf(stderr, "or just the deep ones with \"processor.max_cstate=1\"\n");
608 old->c1 = new->c1 - old->c1;
610 if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) {
611 old->aperf = new->aperf - old->aperf;
612 old->mperf = new->mperf - old->mperf;
615 if (!aperf_mperf_unstable) {
616 fprintf(stderr, "%s: APERF or MPERF went backwards *\n", progname);
617 fprintf(stderr, "* Frequency results do not cover entire interval *\n");
618 fprintf(stderr, "* fix this by running Linux-2.6.30 or later *\n");
620 aperf_mperf_unstable = 1;
623 * mperf delta is likely a huge "positive" number
624 * can not use it for calculating c0 time
632 * As counter collection is not atomic,
633 * it is possible for mperf's non-halted cycles + idle states
634 * to exceed TSC's all cycles: show c1 = 0% in that case.
636 if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc)
639 /* normal case, derive c1 */
640 old->c1 = old->tsc - old->mperf - core_delta->c3
641 - core_delta->c6 - core_delta->c7;
644 if (old->mperf == 0) {
645 if (verbose > 1) fprintf(stderr, "cpu%d MPERF 0!\n", old->cpu_id);
646 old->mperf = 1; /* divide by 0 protection */
649 old->extra_delta32 = new->extra_delta32 - old->extra_delta32;
650 old->extra_delta32 &= 0xFFFFFFFF;
652 old->extra_delta64 = new->extra_delta64 - old->extra_delta64;
655 * Extra MSR is just a snapshot, simply copy latest w/o subtracting
657 old->extra_msr32 = new->extra_msr32;
658 old->extra_msr64 = new->extra_msr64;
661 old->smi_count = new->smi_count - old->smi_count;
664 int delta_cpu(struct thread_data *t, struct core_data *c,
665 struct pkg_data *p, struct thread_data *t2,
666 struct core_data *c2, struct pkg_data *p2)
668 /* calculate core delta only for 1st thread in core */
669 if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE)
672 /* always calculate thread delta */
673 delta_thread(t, t2, c2); /* c2 is core delta */
675 /* calculate package delta only for 1st core in package */
676 if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)
677 delta_package(p, p2);
682 void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
690 t->extra_delta32 = 0;
691 t->extra_delta64 = 0;
693 /* tells format_counters to dump all fields from this set */
694 t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE;
710 p->rapl_pkg_perf_status = 0;
711 p->rapl_dram_perf_status = 0;
714 int sum_counters(struct thread_data *t, struct core_data *c,
717 average.threads.tsc += t->tsc;
718 average.threads.aperf += t->aperf;
719 average.threads.mperf += t->mperf;
720 average.threads.c1 += t->c1;
722 average.threads.extra_delta32 += t->extra_delta32;
723 average.threads.extra_delta64 += t->extra_delta64;
725 /* sum per-core values only for 1st thread in core */
726 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
729 average.cores.c3 += c->c3;
730 average.cores.c6 += c->c6;
731 average.cores.c7 += c->c7;
733 average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c);
735 /* sum per-pkg values only for 1st core in pkg */
736 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
739 average.packages.pc2 += p->pc2;
740 average.packages.pc3 += p->pc3;
741 average.packages.pc6 += p->pc6;
742 average.packages.pc7 += p->pc7;
744 average.packages.energy_pkg += p->energy_pkg;
745 average.packages.energy_dram += p->energy_dram;
746 average.packages.energy_cores += p->energy_cores;
747 average.packages.energy_gfx += p->energy_gfx;
749 average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c);
751 average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status;
752 average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status;
756 * sum the counters for all cpus in the system
757 * compute the weighted average
759 void compute_average(struct thread_data *t, struct core_data *c,
762 clear_counters(&average.threads, &average.cores, &average.packages);
764 for_all_cpus(sum_counters, t, c, p);
766 average.threads.tsc /= topo.num_cpus;
767 average.threads.aperf /= topo.num_cpus;
768 average.threads.mperf /= topo.num_cpus;
769 average.threads.c1 /= topo.num_cpus;
771 average.threads.extra_delta32 /= topo.num_cpus;
772 average.threads.extra_delta32 &= 0xFFFFFFFF;
774 average.threads.extra_delta64 /= topo.num_cpus;
776 average.cores.c3 /= topo.num_cores;
777 average.cores.c6 /= topo.num_cores;
778 average.cores.c7 /= topo.num_cores;
780 average.packages.pc2 /= topo.num_packages;
781 average.packages.pc3 /= topo.num_packages;
782 average.packages.pc6 /= topo.num_packages;
783 average.packages.pc7 /= topo.num_packages;
786 static unsigned long long rdtsc(void)
788 unsigned int low, high;
790 asm volatile("rdtsc" : "=a" (low), "=d" (high));
792 return low | ((unsigned long long)high) << 32;
799 * acquire and record local counters for that cpu
801 int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
804 unsigned long long msr;
806 if (cpu_migrate(cpu)) {
807 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
811 t->tsc = rdtsc(); /* we are running on local CPU of interest */
814 if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
816 if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))
821 if (get_msr(cpu, MSR_SMI_COUNT, &msr))
823 t->smi_count = msr & 0xFFFFFFFF;
825 if (extra_delta_offset32) {
826 if (get_msr(cpu, extra_delta_offset32, &msr))
828 t->extra_delta32 = msr & 0xFFFFFFFF;
831 if (extra_delta_offset64)
832 if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64))
835 if (extra_msr_offset32) {
836 if (get_msr(cpu, extra_msr_offset32, &msr))
838 t->extra_msr32 = msr & 0xFFFFFFFF;
841 if (extra_msr_offset64)
842 if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64))
845 /* collect core counters only for 1st thread in core */
846 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
849 if (do_nhm_cstates) {
850 if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
852 if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6))
857 if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7))
861 if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
863 c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
867 /* collect package counters only for 1st core in package */
868 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
871 if (do_nhm_cstates) {
872 if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3))
874 if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6))
877 if (do_snb_cstates) {
878 if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2))
880 if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7))
883 if (do_rapl & RAPL_PKG) {
884 if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr))
886 p->energy_pkg = msr & 0xFFFFFFFF;
888 if (do_rapl & RAPL_CORES) {
889 if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr))
891 p->energy_cores = msr & 0xFFFFFFFF;
893 if (do_rapl & RAPL_DRAM) {
894 if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr))
896 p->energy_dram = msr & 0xFFFFFFFF;
898 if (do_rapl & RAPL_GFX) {
899 if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr))
901 p->energy_gfx = msr & 0xFFFFFFFF;
903 if (do_rapl & RAPL_PKG_PERF_STATUS) {
904 if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr))
906 p->rapl_pkg_perf_status = msr & 0xFFFFFFFF;
908 if (do_rapl & RAPL_DRAM_PERF_STATUS) {
909 if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr))
911 p->rapl_dram_perf_status = msr & 0xFFFFFFFF;
914 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
916 p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
921 void print_verbose_header(void)
923 unsigned long long msr;
926 if (!do_nehalem_platform_info)
929 get_msr(0, MSR_NHM_PLATFORM_INFO, &msr);
931 fprintf(stderr, "cpu0: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", msr);
933 ratio = (msr >> 40) & 0xFF;
934 fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency\n",
935 ratio, bclk, ratio * bclk);
937 ratio = (msr >> 8) & 0xFF;
938 fprintf(stderr, "%d * %.0f = %.0f MHz TSC frequency\n",
939 ratio, bclk, ratio * bclk);
941 get_msr(0, MSR_IA32_POWER_CTL, &msr);
942 fprintf(stderr, "cpu0: MSR_IA32_POWER_CTL: 0x%08llx (C1E: %sabled)\n",
943 msr, msr & 0x2 ? "EN" : "DIS");
945 if (!do_ivt_turbo_ratio_limit)
946 goto print_nhm_turbo_ratio_limits;
948 get_msr(0, MSR_IVT_TURBO_RATIO_LIMIT, &msr);
950 fprintf(stderr, "cpu0: MSR_IVT_TURBO_RATIO_LIMIT: 0x%08llx\n", msr);
952 ratio = (msr >> 56) & 0xFF;
954 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 16 active cores\n",
955 ratio, bclk, ratio * bclk);
957 ratio = (msr >> 48) & 0xFF;
959 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 15 active cores\n",
960 ratio, bclk, ratio * bclk);
962 ratio = (msr >> 40) & 0xFF;
964 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 14 active cores\n",
965 ratio, bclk, ratio * bclk);
967 ratio = (msr >> 32) & 0xFF;
969 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 13 active cores\n",
970 ratio, bclk, ratio * bclk);
972 ratio = (msr >> 24) & 0xFF;
974 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 12 active cores\n",
975 ratio, bclk, ratio * bclk);
977 ratio = (msr >> 16) & 0xFF;
979 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 11 active cores\n",
980 ratio, bclk, ratio * bclk);
982 ratio = (msr >> 8) & 0xFF;
984 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 10 active cores\n",
985 ratio, bclk, ratio * bclk);
987 ratio = (msr >> 0) & 0xFF;
989 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 9 active cores\n",
990 ratio, bclk, ratio * bclk);
992 print_nhm_turbo_ratio_limits:
993 get_msr(0, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr);
995 #define SNB_C1_AUTO_UNDEMOTE (1UL << 27)
996 #define SNB_C3_AUTO_UNDEMOTE (1UL << 28)
998 fprintf(stderr, "cpu0: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", msr);
1000 fprintf(stderr, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: ",
1001 (msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "",
1002 (msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "",
1003 (msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "",
1004 (msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "",
1005 (msr & (1 << 15)) ? "" : "UN",
1006 (unsigned int)msr & 7);
1011 fprintf(stderr, "pc0");
1014 fprintf(stderr, do_snb_cstates ? "pc2" : "pc0");
1017 fprintf(stderr, do_snb_cstates ? "pc6-noret" : "pc3");
1020 fprintf(stderr, "pc6");
1023 fprintf(stderr, "pc7");
1026 fprintf(stderr, do_snb_cstates ? "pc7s" : "invalid");
1029 fprintf(stderr, "unlimited");
1032 fprintf(stderr, "invalid");
1034 fprintf(stderr, ")\n");
1036 if (!do_nehalem_turbo_ratio_limit)
1039 get_msr(0, MSR_NHM_TURBO_RATIO_LIMIT, &msr);
1041 fprintf(stderr, "cpu0: MSR_NHM_TURBO_RATIO_LIMIT: 0x%08llx\n", msr);
1043 ratio = (msr >> 56) & 0xFF;
1045 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 8 active cores\n",
1046 ratio, bclk, ratio * bclk);
1048 ratio = (msr >> 48) & 0xFF;
1050 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 7 active cores\n",
1051 ratio, bclk, ratio * bclk);
1053 ratio = (msr >> 40) & 0xFF;
1055 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 6 active cores\n",
1056 ratio, bclk, ratio * bclk);
1058 ratio = (msr >> 32) & 0xFF;
1060 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 5 active cores\n",
1061 ratio, bclk, ratio * bclk);
1063 ratio = (msr >> 24) & 0xFF;
1065 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 4 active cores\n",
1066 ratio, bclk, ratio * bclk);
1068 ratio = (msr >> 16) & 0xFF;
1070 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 3 active cores\n",
1071 ratio, bclk, ratio * bclk);
1073 ratio = (msr >> 8) & 0xFF;
1075 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 2 active cores\n",
1076 ratio, bclk, ratio * bclk);
1078 ratio = (msr >> 0) & 0xFF;
1080 fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 1 active cores\n",
1081 ratio, bclk, ratio * bclk);
1084 void free_all_buffers(void)
1086 CPU_FREE(cpu_present_set);
1087 cpu_present_set = NULL;
1088 cpu_present_set = 0;
1090 CPU_FREE(cpu_affinity_set);
1091 cpu_affinity_set = NULL;
1092 cpu_affinity_setsize = 0;
1100 package_even = NULL;
1110 free(output_buffer);
1111 output_buffer = NULL;
1116 * cpu_is_first_sibling_in_core(cpu)
1117 * return 1 if given CPU is 1st HT sibling in the core
1119 int cpu_is_first_sibling_in_core(int cpu)
1125 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
1126 filep = fopen(path, "r");
1127 if (filep == NULL) {
1131 fscanf(filep, "%d", &first_cpu);
1133 return (cpu == first_cpu);
1137 * cpu_is_first_core_in_package(cpu)
1138 * return 1 if given CPU is 1st core in package
1140 int cpu_is_first_core_in_package(int cpu)
1146 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu);
1147 filep = fopen(path, "r");
1148 if (filep == NULL) {
1152 fscanf(filep, "%d", &first_cpu);
1154 return (cpu == first_cpu);
1157 int get_physical_package_id(int cpu)
1163 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu);
1164 filep = fopen(path, "r");
1165 if (filep == NULL) {
1169 fscanf(filep, "%d", &pkg);
1174 int get_core_id(int cpu)
1180 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
1181 filep = fopen(path, "r");
1182 if (filep == NULL) {
1186 fscanf(filep, "%d", &core);
1191 int get_num_ht_siblings(int cpu)
1199 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
1200 filep = fopen(path, "r");
1201 if (filep == NULL) {
1207 * if a pair of number with a character between: 2 siblings (eg. 1-2, or 1,4)
1208 * otherwinse 1 sibling (self).
1210 matches = fscanf(filep, "%d%c%d\n", &sib1, &character, &sib2);
1221 * run func(thread, core, package) in topology order
1222 * skip non-present cpus
1225 int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *,
1226 struct pkg_data *, struct thread_data *, struct core_data *,
1227 struct pkg_data *), struct thread_data *thread_base,
1228 struct core_data *core_base, struct pkg_data *pkg_base,
1229 struct thread_data *thread_base2, struct core_data *core_base2,
1230 struct pkg_data *pkg_base2)
1232 int retval, pkg_no, core_no, thread_no;
1234 for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
1235 for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
1236 for (thread_no = 0; thread_no <
1237 topo.num_threads_per_core; ++thread_no) {
1238 struct thread_data *t, *t2;
1239 struct core_data *c, *c2;
1240 struct pkg_data *p, *p2;
1242 t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
1244 if (cpu_is_not_present(t->cpu_id))
1247 t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no);
1249 c = GET_CORE(core_base, core_no, pkg_no);
1250 c2 = GET_CORE(core_base2, core_no, pkg_no);
1252 p = GET_PKG(pkg_base, pkg_no);
1253 p2 = GET_PKG(pkg_base2, pkg_no);
1255 retval = func(t, c, p, t2, c2, p2);
1265 * run func(cpu) on every cpu in /proc/stat
1266 * return max_cpu number
1268 int for_all_proc_cpus(int (func)(int))
1274 fp = fopen(proc_stat, "r");
1280 retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
1282 perror("/proc/stat format");
1287 retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num);
1291 retval = func(cpu_num);
1301 void re_initialize(void)
1304 setup_all_buffers();
1305 printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus);
1311 * remember the last one seen, it will be the max
1313 int count_cpus(int cpu)
1315 if (topo.max_cpu_num < cpu)
1316 topo.max_cpu_num = cpu;
1321 int mark_cpu_present(int cpu)
1323 CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set);
1327 void turbostat_loop()
1335 retval = for_all_cpus(get_counters, EVEN_COUNTERS);
1338 } else if (retval == -1) {
1339 if (restarted > 1) {
1346 gettimeofday(&tv_even, (struct timezone *)NULL);
1349 if (for_all_proc_cpus(cpu_is_not_present)) {
1353 sleep(interval_sec);
1354 retval = for_all_cpus(get_counters, ODD_COUNTERS);
1357 } else if (retval == -1) {
1361 gettimeofday(&tv_odd, (struct timezone *)NULL);
1362 timersub(&tv_odd, &tv_even, &tv_delta);
1363 for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS);
1364 compute_average(EVEN_COUNTERS);
1365 format_all_counters(EVEN_COUNTERS);
1367 sleep(interval_sec);
1368 retval = for_all_cpus(get_counters, EVEN_COUNTERS);
1371 } else if (retval == -1) {
1375 gettimeofday(&tv_even, (struct timezone *)NULL);
1376 timersub(&tv_even, &tv_odd, &tv_delta);
1377 for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS);
1378 compute_average(ODD_COUNTERS);
1379 format_all_counters(ODD_COUNTERS);
1384 void check_dev_msr()
1388 if (stat("/dev/cpu/0/msr", &sb)) {
1389 fprintf(stderr, "no /dev/cpu/0/msr\n");
1390 fprintf(stderr, "Try \"# modprobe msr\"\n");
1395 void check_super_user()
1397 if (getuid() != 0) {
1398 fprintf(stderr, "must be root\n");
1403 int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model)
1412 case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */
1413 case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */
1414 case 0x1F: /* Core i7 and i5 Processor - Nehalem */
1415 case 0x25: /* Westmere Client - Clarkdale, Arrandale */
1416 case 0x2C: /* Westmere EP - Gulftown */
1417 case 0x2A: /* SNB */
1418 case 0x2D: /* SNB Xeon */
1419 case 0x3A: /* IVB */
1420 case 0x3E: /* IVB Xeon */
1421 case 0x3C: /* HSW */
1422 case 0x3F: /* HSW */
1423 case 0x45: /* HSW */
1425 case 0x2E: /* Nehalem-EX Xeon - Beckton */
1426 case 0x2F: /* Westmere-EX Xeon - Eagleton */
1431 int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model)
1440 case 0x3E: /* IVB Xeon */
1449 * Decode the ENERGY_PERF_BIAS MSR
1451 int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1453 unsigned long long msr;
1462 /* EPB is per-package */
1463 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1466 if (cpu_migrate(cpu)) {
1467 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
1471 if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr))
1474 switch (msr & 0x7) {
1475 case ENERGY_PERF_BIAS_PERFORMANCE:
1476 epb_string = "performance";
1478 case ENERGY_PERF_BIAS_NORMAL:
1479 epb_string = "balanced";
1481 case ENERGY_PERF_BIAS_POWERSAVE:
1482 epb_string = "powersave";
1485 epb_string = "custom";
1488 fprintf(stderr, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string);
1493 #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */
1494 #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */
1501 void rapl_probe(unsigned int family, unsigned int model)
1503 unsigned long long msr;
1515 case 0x3C: /* HSW */
1516 case 0x3F: /* HSW */
1517 case 0x45: /* HSW */
1518 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_GFX;
1522 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_DRAM | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS;
1528 /* units on package 0, verify later other packages match */
1529 if (get_msr(0, MSR_RAPL_POWER_UNIT, &msr))
1532 rapl_power_units = 1.0 / (1 << (msr & 0xF));
1533 rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
1534 rapl_time_units = 1.0 / (1 << (msr >> 16 & 0xF));
1536 /* get TDP to determine energy counter range */
1537 if (get_msr(0, MSR_PKG_POWER_INFO, &msr))
1540 tdp = ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units;
1542 rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
1545 fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range\n", rapl_joule_counter_range);
1550 int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1552 unsigned long long msr;
1556 if (!(do_dts || do_ptm))
1561 /* DTS is per-core, no need to print for each thread */
1562 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
1565 if (cpu_migrate(cpu)) {
1566 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
1570 if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) {
1571 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
1574 dts = (msr >> 16) & 0x7F;
1575 fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n",
1576 cpu, msr, tcc_activation_temp - dts);
1579 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr))
1582 dts = (msr >> 16) & 0x7F;
1583 dts2 = (msr >> 8) & 0x7F;
1584 fprintf(stderr, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
1585 cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
1591 unsigned int resolution;
1593 if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
1596 dts = (msr >> 16) & 0x7F;
1597 resolution = (msr >> 27) & 0xF;
1598 fprintf(stderr, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n",
1599 cpu, msr, tcc_activation_temp - dts, resolution);
1602 if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr))
1605 dts = (msr >> 16) & 0x7F;
1606 dts2 = (msr >> 8) & 0x7F;
1607 fprintf(stderr, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
1608 cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
1615 void print_power_limit_msr(int cpu, unsigned long long msr, char *label)
1617 fprintf(stderr, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n",
1619 ((msr >> 15) & 1) ? "EN" : "DIS",
1620 ((msr >> 0) & 0x7FFF) * rapl_power_units,
1621 (1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units,
1622 (((msr >> 16) & 1) ? "EN" : "DIS"));
1627 int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1629 unsigned long long msr;
1631 double local_rapl_power_units, local_rapl_energy_units, local_rapl_time_units;
1636 /* RAPL counters are per package, so print only for 1st thread/package */
1637 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1641 if (cpu_migrate(cpu)) {
1642 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
1646 if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr))
1649 local_rapl_power_units = 1.0 / (1 << (msr & 0xF));
1650 local_rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
1651 local_rapl_time_units = 1.0 / (1 << (msr >> 16 & 0xF));
1653 if (local_rapl_power_units != rapl_power_units)
1654 fprintf(stderr, "cpu%d, ERROR: Power units mis-match\n", cpu);
1655 if (local_rapl_energy_units != rapl_energy_units)
1656 fprintf(stderr, "cpu%d, ERROR: Energy units mis-match\n", cpu);
1657 if (local_rapl_time_units != rapl_time_units)
1658 fprintf(stderr, "cpu%d, ERROR: Time units mis-match\n", cpu);
1661 fprintf(stderr, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx "
1662 "(%f Watts, %f Joules, %f sec.)\n", cpu, msr,
1663 local_rapl_power_units, local_rapl_energy_units, local_rapl_time_units);
1665 if (do_rapl & RAPL_PKG) {
1666 if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr))
1670 fprintf(stderr, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
1672 ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1673 ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1674 ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1675 ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
1677 if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr))
1680 fprintf(stderr, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n",
1681 cpu, msr, (msr >> 63) & 1 ? "": "UN");
1683 print_power_limit_msr(cpu, msr, "PKG Limit #1");
1684 fprintf(stderr, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n",
1686 ((msr >> 47) & 1) ? "EN" : "DIS",
1687 ((msr >> 32) & 0x7FFF) * rapl_power_units,
1688 (1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units,
1689 ((msr >> 48) & 1) ? "EN" : "DIS");
1692 if (do_rapl & RAPL_DRAM) {
1693 if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr))
1697 fprintf(stderr, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
1699 ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1700 ((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1701 ((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
1702 ((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
1705 if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr))
1707 fprintf(stderr, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n",
1708 cpu, msr, (msr >> 31) & 1 ? "": "UN");
1710 print_power_limit_msr(cpu, msr, "DRAM Limit");
1712 if (do_rapl & RAPL_CORES) {
1714 if (get_msr(cpu, MSR_PP0_POLICY, &msr))
1717 fprintf(stderr, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF);
1719 if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr))
1721 fprintf(stderr, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n",
1722 cpu, msr, (msr >> 31) & 1 ? "": "UN");
1723 print_power_limit_msr(cpu, msr, "Cores Limit");
1726 if (do_rapl & RAPL_GFX) {
1728 if (get_msr(cpu, MSR_PP1_POLICY, &msr))
1731 fprintf(stderr, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF);
1733 if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr))
1735 fprintf(stderr, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n",
1736 cpu, msr, (msr >> 31) & 1 ? "": "UN");
1737 print_power_limit_msr(cpu, msr, "GFX Limit");
1744 int is_snb(unsigned int family, unsigned int model)
1752 case 0x3A: /* IVB */
1753 case 0x3E: /* IVB Xeon */
1754 case 0x3C: /* HSW */
1755 case 0x3F: /* HSW */
1756 case 0x45: /* HSW */
1762 double discover_bclk(unsigned int family, unsigned int model)
1764 if (is_snb(family, model))
1771 * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where
1772 * the Thermal Control Circuit (TCC) activates.
1773 * This is usually equal to tjMax.
1775 * Older processors do not have this MSR, so there we guess,
1776 * but also allow cmdline over-ride with -T.
1778 * Several MSR temperature values are in units of degrees-C
1779 * below this value, including the Digital Thermal Sensor (DTS),
1780 * Package Thermal Management Sensor (PTM), and thermal event thresholds.
1782 int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p)
1784 unsigned long long msr;
1785 unsigned int target_c_local;
1788 /* tcc_activation_temp is used only for dts or ptm */
1789 if (!(do_dts || do_ptm))
1792 /* this is a per-package concept */
1793 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1797 if (cpu_migrate(cpu)) {
1798 fprintf(stderr, "Could not migrate to CPU %d\n", cpu);
1802 if (tcc_activation_temp_override != 0) {
1803 tcc_activation_temp = tcc_activation_temp_override;
1804 fprintf(stderr, "cpu%d: Using cmdline TCC Target (%d C)\n",
1805 cpu, tcc_activation_temp);
1809 /* Temperature Target MSR is Nehalem and newer only */
1810 if (!do_nehalem_platform_info)
1813 if (get_msr(0, MSR_IA32_TEMPERATURE_TARGET, &msr))
1816 target_c_local = (msr >> 16) & 0x7F;
1819 fprintf(stderr, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n",
1820 cpu, msr, target_c_local);
1822 if (target_c_local < 85 || target_c_local > 120)
1825 tcc_activation_temp = target_c_local;
1830 tcc_activation_temp = TJMAX_DEFAULT;
1831 fprintf(stderr, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n",
1832 cpu, tcc_activation_temp);
1838 unsigned int eax, ebx, ecx, edx, max_level;
1839 unsigned int fms, family, model, stepping;
1841 eax = ebx = ecx = edx = 0;
1843 asm("cpuid" : "=a" (max_level), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0));
1845 if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e)
1849 fprintf(stderr, "CPUID(0): %.4s%.4s%.4s ",
1850 (char *)&ebx, (char *)&edx, (char *)&ecx);
1852 asm("cpuid" : "=a" (fms), "=c" (ecx), "=d" (edx) : "a" (1) : "ebx");
1853 family = (fms >> 8) & 0xf;
1854 model = (fms >> 4) & 0xf;
1855 stepping = fms & 0xf;
1856 if (family == 6 || family == 0xf)
1857 model += ((fms >> 16) & 0xf) << 4;
1860 fprintf(stderr, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n",
1861 max_level, family, model, stepping, family, model, stepping);
1863 if (!(edx & (1 << 5))) {
1864 fprintf(stderr, "CPUID: no MSR\n");
1869 * check max extended function levels of CPUID.
1870 * This is needed to check for invariant TSC.
1871 * This check is valid for both Intel and AMD.
1873 ebx = ecx = edx = 0;
1874 asm("cpuid" : "=a" (max_level), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x80000000));
1876 if (max_level < 0x80000007) {
1877 fprintf(stderr, "CPUID: no invariant TSC (max_level 0x%x)\n", max_level);
1882 * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8
1883 * this check is valid for both Intel and AMD
1885 asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x80000007));
1886 has_invariant_tsc = edx & (1 << 8);
1888 if (!has_invariant_tsc) {
1889 fprintf(stderr, "No invariant TSC\n");
1894 * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0
1895 * this check is valid for both Intel and AMD
1898 asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x6));
1899 has_aperf = ecx & (1 << 0);
1900 do_dts = eax & (1 << 0);
1901 do_ptm = eax & (1 << 6);
1902 has_epb = ecx & (1 << 3);
1905 fprintf(stderr, "CPUID(6): %s%s%s%s\n",
1906 has_aperf ? "APERF" : "No APERF!",
1907 do_dts ? ", DTS" : "",
1908 do_ptm ? ", PTM": "",
1909 has_epb ? ", EPB": "");
1914 do_nehalem_platform_info = genuine_intel && has_invariant_tsc;
1915 do_nhm_cstates = genuine_intel; /* all Intel w/ non-stop TSC have NHM counters */
1916 do_smi = do_nhm_cstates;
1917 do_snb_cstates = is_snb(family, model);
1918 bclk = discover_bclk(family, model);
1920 do_nehalem_turbo_ratio_limit = has_nehalem_turbo_ratio_limit(family, model);
1921 do_ivt_turbo_ratio_limit = has_ivt_turbo_ratio_limit(family, model);
1922 rapl_probe(family, model);
1930 fprintf(stderr, "%s: [-v][-R][-T][-p|-P|-S][-c MSR# | -s]][-C MSR#][-m MSR#][-M MSR#][-i interval_sec | command ...]\n",
1937 * in /dev/cpu/ return success for names that are numbers
1938 * ie. filter out ".", "..", "microcode".
1940 int dir_filter(const struct dirent *dirp)
1942 if (isdigit(dirp->d_name[0]))
1948 int open_dev_cpu_msr(int dummy1)
1953 void topology_probe()
1956 int max_core_id = 0;
1957 int max_package_id = 0;
1958 int max_siblings = 0;
1959 struct cpu_topology {
1961 int physical_package_id;
1964 /* Initialize num_cpus, max_cpu_num */
1966 topo.max_cpu_num = 0;
1967 for_all_proc_cpus(count_cpus);
1968 if (!summary_only && topo.num_cpus > 1)
1972 fprintf(stderr, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num);
1974 cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology));
1976 perror("calloc cpus");
1981 * Allocate and initialize cpu_present_set
1983 cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1));
1984 if (cpu_present_set == NULL) {
1985 perror("CPU_ALLOC");
1988 cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
1989 CPU_ZERO_S(cpu_present_setsize, cpu_present_set);
1990 for_all_proc_cpus(mark_cpu_present);
1993 * Allocate and initialize cpu_affinity_set
1995 cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1));
1996 if (cpu_affinity_set == NULL) {
1997 perror("CPU_ALLOC");
2000 cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
2001 CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
2006 * find max_core_id, max_package_id
2008 for (i = 0; i <= topo.max_cpu_num; ++i) {
2011 if (cpu_is_not_present(i)) {
2013 fprintf(stderr, "cpu%d NOT PRESENT\n", i);
2016 cpus[i].core_id = get_core_id(i);
2017 if (cpus[i].core_id > max_core_id)
2018 max_core_id = cpus[i].core_id;
2020 cpus[i].physical_package_id = get_physical_package_id(i);
2021 if (cpus[i].physical_package_id > max_package_id)
2022 max_package_id = cpus[i].physical_package_id;
2024 siblings = get_num_ht_siblings(i);
2025 if (siblings > max_siblings)
2026 max_siblings = siblings;
2028 fprintf(stderr, "cpu %d pkg %d core %d\n",
2029 i, cpus[i].physical_package_id, cpus[i].core_id);
2031 topo.num_cores_per_pkg = max_core_id + 1;
2033 fprintf(stderr, "max_core_id %d, sizing for %d cores per package\n",
2034 max_core_id, topo.num_cores_per_pkg);
2035 if (!summary_only && topo.num_cores_per_pkg > 1)
2038 topo.num_packages = max_package_id + 1;
2040 fprintf(stderr, "max_package_id %d, sizing for %d packages\n",
2041 max_package_id, topo.num_packages);
2042 if (!summary_only && topo.num_packages > 1)
2045 topo.num_threads_per_core = max_siblings;
2047 fprintf(stderr, "max_siblings %d\n", max_siblings);
2053 allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p)
2057 *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg *
2058 topo.num_packages, sizeof(struct thread_data));
2062 for (i = 0; i < topo.num_threads_per_core *
2063 topo.num_cores_per_pkg * topo.num_packages; i++)
2064 (*t)[i].cpu_id = -1;
2066 *c = calloc(topo.num_cores_per_pkg * topo.num_packages,
2067 sizeof(struct core_data));
2071 for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++)
2072 (*c)[i].core_id = -1;
2074 *p = calloc(topo.num_packages, sizeof(struct pkg_data));
2078 for (i = 0; i < topo.num_packages; i++)
2079 (*p)[i].package_id = i;
2083 perror("calloc counters");
2089 * set cpu_id, core_num, pkg_num
2090 * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE
2092 * increment topo.num_cores when 1st core in pkg seen
2094 void init_counter(struct thread_data *thread_base, struct core_data *core_base,
2095 struct pkg_data *pkg_base, int thread_num, int core_num,
2096 int pkg_num, int cpu_id)
2098 struct thread_data *t;
2099 struct core_data *c;
2102 t = GET_THREAD(thread_base, thread_num, core_num, pkg_num);
2103 c = GET_CORE(core_base, core_num, pkg_num);
2104 p = GET_PKG(pkg_base, pkg_num);
2107 if (thread_num == 0) {
2108 t->flags |= CPU_IS_FIRST_THREAD_IN_CORE;
2109 if (cpu_is_first_core_in_package(cpu_id))
2110 t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE;
2113 c->core_id = core_num;
2114 p->package_id = pkg_num;
2118 int initialize_counters(int cpu_id)
2120 int my_thread_id, my_core_id, my_package_id;
2122 my_package_id = get_physical_package_id(cpu_id);
2123 my_core_id = get_core_id(cpu_id);
2125 if (cpu_is_first_sibling_in_core(cpu_id)) {
2132 init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
2133 init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
2137 void allocate_output_buffer()
2139 output_buffer = calloc(1, (1 + topo.num_cpus) * 128);
2140 outp = output_buffer;
2147 void setup_all_buffers(void)
2150 allocate_counters(&thread_even, &core_even, &package_even);
2151 allocate_counters(&thread_odd, &core_odd, &package_odd);
2152 allocate_output_buffer();
2153 for_all_proc_cpus(initialize_counters);
2155 void turbostat_init()
2162 setup_all_buffers();
2165 print_verbose_header();
2168 for_all_cpus(print_epb, ODD_COUNTERS);
2171 for_all_cpus(print_rapl, ODD_COUNTERS);
2173 for_all_cpus(set_temperature_target, ODD_COUNTERS);
2176 for_all_cpus(print_thermal, ODD_COUNTERS);
2179 int fork_it(char **argv)
2184 status = for_all_cpus(get_counters, EVEN_COUNTERS);
2187 /* clear affinity side-effect of get_counters() */
2188 sched_setaffinity(0, cpu_present_setsize, cpu_present_set);
2189 gettimeofday(&tv_even, (struct timezone *)NULL);
2194 execvp(argv[0], argv);
2198 if (child_pid == -1) {
2203 signal(SIGINT, SIG_IGN);
2204 signal(SIGQUIT, SIG_IGN);
2205 if (waitpid(child_pid, &status, 0) == -1) {
2211 * n.b. fork_it() does not check for errors from for_all_cpus()
2212 * because re-starting is problematic when forking
2214 for_all_cpus(get_counters, ODD_COUNTERS);
2215 gettimeofday(&tv_odd, (struct timezone *)NULL);
2216 timersub(&tv_odd, &tv_even, &tv_delta);
2217 for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS);
2218 compute_average(EVEN_COUNTERS);
2219 format_all_counters(EVEN_COUNTERS);
2222 fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0);
2227 void cmdline(int argc, char **argv)
2233 while ((opt = getopt(argc, argv, "+pPSvi:sc:sC:m:M:RT:")) != -1) {
2248 interval_sec = atoi(optarg);
2251 sscanf(optarg, "%x", &extra_delta_offset32);
2254 sscanf(optarg, "%x", &extra_delta_offset64);
2257 sscanf(optarg, "%x", &extra_msr_offset32);
2260 sscanf(optarg, "%x", &extra_msr_offset64);
2266 tcc_activation_temp_override = atoi(optarg);
2274 int main(int argc, char **argv)
2276 cmdline(argc, argv);
2279 fprintf(stderr, "turbostat v3.2 February 11, 2013"
2280 " - Len Brown <lenb@kernel.org>\n");
2285 * if any params left, it must be a command to fork
2288 return fork_it(argv + optind);