2 * turbostat -- Log CPU frequency and C-state residency
3 * on modern Intel turbo-capable processors for collectd.
5 * Based on the kernel tools by:
6 * Copyright (c) 2013 Intel Corporation.
7 * Len Brown <len.brown@intel.com>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms and conditions of the GNU General Public License,
11 * version 2, as published by the Free Software Foundation.
13 * This program is distributed in the hope it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
18 * You should have received a copy of the GNU General Public License along with
19 * this program; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
22 * Ported to collectd by Vincent Brillault <git@lerya.net>
26 #include "msr-index.h"
32 #include <sys/types.h>
35 #include <sys/resource.h>
50 #define PLUGIN_NAME "turbostat"
52 static const char *proc_stat = "/proc/stat";
53 static unsigned int interval_sec = 5; /* set with -i interval_sec */
54 static unsigned int skip_c0;
55 static unsigned int skip_c1;
56 static unsigned int do_nhm_cstates;
57 static unsigned int do_snb_cstates;
58 static unsigned int do_c8_c9_c10;
59 static unsigned int do_slm_cstates;
60 static unsigned int has_aperf;
61 static unsigned int has_epb;
62 static unsigned int units = 1000000000; /* Ghz etc */
63 static unsigned int genuine_intel;
64 static unsigned int has_invariant_tsc;
65 static unsigned int do_nehalem_platform_info;
67 static unsigned int show_pkg;
68 static unsigned int show_core;
69 static unsigned int show_cpu;
70 static unsigned int do_rapl;
71 static unsigned int do_dts;
72 static unsigned int do_ptm;
73 static unsigned int tcc_activation_temp;
74 static unsigned int tcc_activation_temp_override;
75 static double rapl_power_units, rapl_energy_units, rapl_time_units;
76 static double rapl_joule_counter_range;
78 #define RAPL_PKG (1 << 0)
79 /* 0x610 MSR_PKG_POWER_LIMIT */
80 /* 0x611 MSR_PKG_ENERGY_STATUS */
81 #define RAPL_PKG_PERF_STATUS (1 << 1)
82 /* 0x613 MSR_PKG_PERF_STATUS */
83 #define RAPL_PKG_POWER_INFO (1 << 2)
84 /* 0x614 MSR_PKG_POWER_INFO */
86 #define RAPL_DRAM (1 << 3)
87 /* 0x618 MSR_DRAM_POWER_LIMIT */
88 /* 0x619 MSR_DRAM_ENERGY_STATUS */
89 /* 0x61c MSR_DRAM_POWER_INFO */
90 #define RAPL_DRAM_PERF_STATUS (1 << 4)
91 /* 0x61b MSR_DRAM_PERF_STATUS */
93 #define RAPL_CORES (1 << 5)
94 /* 0x638 MSR_PP0_POWER_LIMIT */
95 /* 0x639 MSR_PP0_ENERGY_STATUS */
96 #define RAPL_CORE_POLICY (1 << 6)
97 /* 0x63a MSR_PP0_POLICY */
100 #define RAPL_GFX (1 << 7)
101 /* 0x640 MSR_PP1_POWER_LIMIT */
102 /* 0x641 MSR_PP1_ENERGY_STATUS */
103 /* 0x642 MSR_PP1_POLICY */
104 #define TJMAX_DEFAULT 100
106 int aperf_mperf_unstable;
110 cpu_set_t *cpu_present_set, *cpu_affinity_set;
111 size_t cpu_present_setsize, cpu_affinity_setsize;
114 unsigned long long tsc;
115 unsigned long long aperf;
116 unsigned long long mperf;
117 unsigned long long c1;
118 unsigned int smi_count;
121 #define CPU_IS_FIRST_THREAD_IN_CORE 0x2
122 #define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4
123 } *thread_even, *thread_odd;
126 unsigned long long c3;
127 unsigned long long c6;
128 unsigned long long c7;
129 unsigned int core_temp_c;
130 unsigned int core_id;
131 } *core_even, *core_odd;
134 unsigned long long pc2;
135 unsigned long long pc3;
136 unsigned long long pc6;
137 unsigned long long pc7;
138 unsigned long long pc8;
139 unsigned long long pc9;
140 unsigned long long pc10;
141 unsigned int package_id;
142 unsigned int energy_pkg; /* MSR_PKG_ENERGY_STATUS */
143 unsigned int energy_dram; /* MSR_DRAM_ENERGY_STATUS */
144 unsigned int energy_cores; /* MSR_PP0_ENERGY_STATUS */
145 unsigned int energy_gfx; /* MSR_PP1_ENERGY_STATUS */
146 unsigned int rapl_pkg_perf_status; /* MSR_PKG_PERF_STATUS */
147 unsigned int rapl_dram_perf_status; /* MSR_DRAM_PERF_STATUS */
148 unsigned int pkg_temp_c;
150 } *package_even, *package_odd;
152 #define ODD_COUNTERS thread_odd, core_odd, package_odd
153 #define EVEN_COUNTERS thread_even, core_even, package_even
154 static bool is_even = true;
156 static bool allocated = false;
157 static bool initialized = false;
159 #define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \
160 (thread_base + (pkg_no) * topo.num_cores_per_pkg * \
161 topo.num_threads_per_core + \
162 (core_no) * topo.num_threads_per_core + (thread_no))
163 #define GET_CORE(core_base, core_no, pkg_no) \
164 (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no))
165 #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no)
172 int num_cores_per_pkg;
173 int num_threads_per_core;
176 struct timeval tv_even, tv_odd, tv_delta;
184 ERR_MSR_CORE_C3_RESIDENCY,
185 ERR_MSR_CORE_C6_RESIDENCY,
186 ERR_MSR_CORE_C7_RESIDENCY,
187 ERR_MSR_IA32_THERM_STATUS,
188 ERR_MSR_PKG_C3_RESIDENCY,
189 ERR_MSR_PKG_C6_RESIDENCY,
190 ERR_MSR_PKG_C2_RESIDENCY,
191 ERR_MSR_PKG_C7_RESIDENCY,
192 ERR_MSR_PKG_C8_RESIDENCY,
193 ERR_MSR_PKG_C9_RESIDENCY,
194 ERR_MSR_PKG_C10_RESIDENCY,
195 ERR_MSR_PKG_ENERGY_STATUS,
196 ERR_MSR_PP0_ENERGY_STATUS,
197 ERR_MSR_DRAM_ENERGY_STATUS,
198 ERR_MSR_PP1_ENERGY_STATUS,
199 ERR_MSR_PKG_PERF_STATUS,
200 ERR_MSR_DRAM_PERF_STATUS,
201 ERR_MSR_IA32_PACKAGE_THERM_STATUS,
205 ERR_CANT_READ_NUMBER,
206 ERR_CANT_READ_PROC_STAT,
207 ERR_NO_INVARIANT_TSC,
214 #define STATIC_MUST_CHECK(function) \
216 __attribute__((warn_unused_result)); \
219 static int setup_all_buffers(void);
221 static int cpu_is_not_present(int cpu)
223 return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set);
226 * run func(thread, core, package) in topology order
227 * skip non-present cpus
230 STATIC_MUST_CHECK(static int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *),
231 struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base))
233 int retval, pkg_no, core_no, thread_no;
235 for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
236 for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
237 for (thread_no = 0; thread_no <
238 topo.num_threads_per_core; ++thread_no) {
239 struct thread_data *t;
243 t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
245 if (cpu_is_not_present(t->cpu_id))
248 c = GET_CORE(core_base, core_no, pkg_no);
249 p = GET_PKG(pkg_base, pkg_no);
251 retval = func(t, c, p);
260 STATIC_MUST_CHECK(static int cpu_migrate(int cpu))
262 CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
263 CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set);
264 if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1)
265 return -ERR_CPU_MIGRATE;
270 STATIC_MUST_CHECK(static int get_msr(int cpu, off_t offset, unsigned long long *msr))
276 sprintf(pathname, "/dev/cpu/%d/msr", cpu);
277 fd = open(pathname, O_RDONLY);
281 retval = pread(fd, msr, sizeof *msr, offset);
284 if (retval != sizeof *msr) {
285 ERROR ("%s offset 0x%llx read failed\n", pathname, (unsigned long long)offset);
292 #define DELTA_WRAP32(new, old) \
296 old = 0x100000000 + new - old; \
300 delta_package(struct pkg_data *new, struct pkg_data *old)
302 old->pc2 = new->pc2 - old->pc2;
303 old->pc3 = new->pc3 - old->pc3;
304 old->pc6 = new->pc6 - old->pc6;
305 old->pc7 = new->pc7 - old->pc7;
306 old->pc8 = new->pc8 - old->pc8;
307 old->pc9 = new->pc9 - old->pc9;
308 old->pc10 = new->pc10 - old->pc10;
309 old->pkg_temp_c = new->pkg_temp_c;
311 DELTA_WRAP32(new->energy_pkg, old->energy_pkg);
312 DELTA_WRAP32(new->energy_cores, old->energy_cores);
313 DELTA_WRAP32(new->energy_gfx, old->energy_gfx);
314 DELTA_WRAP32(new->energy_dram, old->energy_dram);
315 DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status);
316 DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status);
320 delta_core(struct core_data *new, struct core_data *old)
322 old->c3 = new->c3 - old->c3;
323 old->c6 = new->c6 - old->c6;
324 old->c7 = new->c7 - old->c7;
325 old->core_temp_c = new->core_temp_c;
331 STATIC_MUST_CHECK(static int
332 delta_thread(struct thread_data *new, struct thread_data *old,
333 struct core_data *core_delta))
335 old->tsc = new->tsc - old->tsc;
337 /* check for TSC < 1 Mcycles over interval */
338 if (old->tsc < (1000 * 1000)) {
339 WARNING("Insanely slow TSC rate, TSC stops in idle?\n"
340 "You can disable all c-states by booting with \"idle=poll\"\n"
341 "or just the deep ones with \"processor.max_cstate=1\"");
345 old->c1 = new->c1 - old->c1;
347 if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) {
348 old->aperf = new->aperf - old->aperf;
349 old->mperf = new->mperf - old->mperf;
352 if (!aperf_mperf_unstable) {
353 WARNING("%s: APERF or MPERF went backwards *\n", progname);
354 WARNING("* Frequency results do not cover entire interval *\n");
355 WARNING("* fix this by running Linux-2.6.30 or later *\n");
357 aperf_mperf_unstable = 1;
360 * mperf delta is likely a huge "positive" number
361 * can not use it for calculating c0 time
369 * As counter collection is not atomic,
370 * it is possible for mperf's non-halted cycles + idle states
371 * to exceed TSC's all cycles: show c1 = 0% in that case.
373 if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc)
376 /* normal case, derive c1 */
377 old->c1 = old->tsc - old->mperf - core_delta->c3
378 - core_delta->c6 - core_delta->c7;
381 if (old->mperf == 0) {
382 WARNING("cpu%d MPERF 0!\n", old->cpu_id);
383 old->mperf = 1; /* divide by 0 protection */
387 old->smi_count = new->smi_count - old->smi_count;
392 STATIC_MUST_CHECK(static int delta_cpu(struct thread_data *t, struct core_data *c,
393 struct pkg_data *p, struct thread_data *t2,
394 struct core_data *c2, struct pkg_data *p2))
398 /* calculate core delta only for 1st thread in core */
399 if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE)
402 /* always calculate thread delta */
403 ret = delta_thread(t, t2, c2); /* c2 is core delta */
407 /* calculate package delta only for 1st core in package */
408 if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)
409 delta_package(p, p2);
414 static unsigned long long rdtsc(void)
416 unsigned int low, high;
418 asm volatile("rdtsc" : "=a" (low), "=d" (high));
420 return low | ((unsigned long long)high) << 32;
427 * acquire and record local counters for that cpu
429 STATIC_MUST_CHECK(static int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p))
432 unsigned long long msr;
434 if (cpu_migrate(cpu)) {
435 WARNING("Could not migrate to CPU %d\n", cpu);
436 return -ERR_CPU_MIGRATE;
439 t->tsc = rdtsc(); /* we are running on local CPU of interest */
442 if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
443 return -ERR_MSR_IA32_APERF;
444 if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))
445 return -ERR_MSR_IA32_MPERF;
449 if (get_msr(cpu, MSR_SMI_COUNT, &msr))
450 return -ERR_MSR_SMI_COUNT;
451 t->smi_count = msr & 0xFFFFFFFF;
454 /* collect core counters only for 1st thread in core */
455 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
458 if (do_nhm_cstates && !do_slm_cstates) {
459 if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
460 return -ERR_MSR_CORE_C3_RESIDENCY;
463 if (do_nhm_cstates) {
464 if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6))
465 return -ERR_MSR_CORE_C6_RESIDENCY;
469 if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7))
470 return -ERR_MSR_CORE_C7_RESIDENCY;
473 if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
474 return -ERR_MSR_IA32_THERM_STATUS;
475 c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
479 /* collect package counters only for 1st core in package */
480 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
483 if (do_nhm_cstates && !do_slm_cstates) {
484 if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3))
485 return -ERR_MSR_PKG_C3_RESIDENCY;
486 if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6))
487 return -ERR_MSR_PKG_C6_RESIDENCY;
489 if (do_snb_cstates) {
490 if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2))
491 return -ERR_MSR_PKG_C2_RESIDENCY;
492 if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7))
493 return -ERR_MSR_PKG_C7_RESIDENCY;
496 if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8))
497 return -ERR_MSR_PKG_C8_RESIDENCY;
498 if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9))
499 return -ERR_MSR_PKG_C9_RESIDENCY;
500 if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10))
501 return -ERR_MSR_PKG_C10_RESIDENCY;
503 if (do_rapl & RAPL_PKG) {
504 if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr))
505 return -ERR_MSR_PKG_ENERGY_STATUS;
506 p->energy_pkg = msr & 0xFFFFFFFF;
508 if (do_rapl & RAPL_CORES) {
509 if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr))
510 return MSR_PP0_ENERGY_STATUS;
511 p->energy_cores = msr & 0xFFFFFFFF;
513 if (do_rapl & RAPL_DRAM) {
514 if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr))
515 return -ERR_MSR_DRAM_ENERGY_STATUS;
516 p->energy_dram = msr & 0xFFFFFFFF;
518 if (do_rapl & RAPL_GFX) {
519 if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr))
520 return -ERR_MSR_PP1_ENERGY_STATUS;
521 p->energy_gfx = msr & 0xFFFFFFFF;
523 if (do_rapl & RAPL_PKG_PERF_STATUS) {
524 if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr))
525 return -ERR_MSR_PKG_PERF_STATUS;
526 p->rapl_pkg_perf_status = msr & 0xFFFFFFFF;
528 if (do_rapl & RAPL_DRAM_PERF_STATUS) {
529 if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr))
530 return -ERR_MSR_DRAM_PERF_STATUS;
531 p->rapl_dram_perf_status = msr & 0xFFFFFFFF;
534 if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
535 return -ERR_MSR_IA32_PACKAGE_THERM_STATUS;
536 p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
541 static void free_all_buffers(void)
546 CPU_FREE(cpu_present_set);
547 cpu_present_set = NULL;
550 CPU_FREE(cpu_affinity_set);
551 cpu_affinity_set = NULL;
552 cpu_affinity_setsize = 0;
572 * Parse a file containing a single int.
574 static int parse_int_file(const char *fmt, ...)
582 vsnprintf(path, sizeof(path), fmt, args);
584 filep = fopen(path, "r");
586 ERROR("%s: open failed", path);
587 return -ERR_CANT_OPEN_FILE;
589 if (fscanf(filep, "%d", &value) != 1) {
590 ERROR("%s: failed to parse number from file", path);
591 return -ERR_CANT_READ_NUMBER;
598 * cpu_is_first_sibling_in_core(cpu)
599 * return 1 if given CPU is 1st HT sibling in the core
601 static int cpu_is_first_sibling_in_core(int cpu)
603 return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
607 * cpu_is_first_core_in_package(cpu)
608 * return 1 if given CPU is 1st core in package
610 static int cpu_is_first_core_in_package(int cpu)
612 return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu);
615 static int get_physical_package_id(int cpu)
617 return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu);
620 static int get_core_id(int cpu)
622 return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
625 static int get_num_ht_siblings(int cpu)
633 sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
634 filep = fopen(path, "r");
636 ERROR("%s: open failed", path);
637 return -ERR_CANT_OPEN_FILE;
641 * if a pair of number with a character between: 2 siblings (eg. 1-2, or 1,4)
642 * otherwinse 1 sibling (self).
644 matches = fscanf(filep, "%d%c%d\n", &sib1, &character, &sib2);
655 * run func(thread, core, package) in topology order
656 * skip non-present cpus
660 static int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *,
661 struct pkg_data *, struct thread_data *, struct core_data *,
662 struct pkg_data *), struct thread_data *thread_base,
663 struct core_data *core_base, struct pkg_data *pkg_base,
664 struct thread_data *thread_base2, struct core_data *core_base2,
665 struct pkg_data *pkg_base2))
667 int retval, pkg_no, core_no, thread_no;
669 for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
670 for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
671 for (thread_no = 0; thread_no <
672 topo.num_threads_per_core; ++thread_no) {
673 struct thread_data *t, *t2;
674 struct core_data *c, *c2;
675 struct pkg_data *p, *p2;
677 t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
679 if (cpu_is_not_present(t->cpu_id))
682 t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no);
684 c = GET_CORE(core_base, core_no, pkg_no);
685 c2 = GET_CORE(core_base2, core_no, pkg_no);
687 p = GET_PKG(pkg_base, pkg_no);
688 p2 = GET_PKG(pkg_base2, pkg_no);
690 retval = func(t, c, p, t2, c2, p2);
700 * run func(cpu) on every cpu in /proc/stat
701 * return max_cpu number
703 STATIC_MUST_CHECK(static int for_all_proc_cpus(int (func)(int)))
709 fp = fopen(proc_stat, "r");
711 ERROR("%s: open failed", proc_stat);
712 return -ERR_CANT_OPEN_FILE;
715 retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
717 ERROR("%s: failed to parse format", proc_stat);
718 return -ERR_CANT_READ_PROC_STAT;
722 retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num);
726 retval = func(cpu_num);
738 * remember the last one seen, it will be the max
740 static int count_cpus(int cpu)
742 if (topo.max_cpu_num < cpu)
743 topo.max_cpu_num = cpu;
748 static int mark_cpu_present(int cpu)
750 CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set);
755 static void turbostat_submit (const char *plugin_instance,
756 const char *type, const char *type_instance,
759 value_list_t vl = VALUE_LIST_INIT;
765 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
766 sstrncpy (vl.plugin, PLUGIN_NAME, sizeof (vl.plugin));
767 if (plugin_instance != NULL)
768 sstrncpy (vl.plugin_instance, plugin_instance, sizeof (vl.plugin_instance));
769 sstrncpy (vl.type, type, sizeof (vl.type));
770 if (type_instance != NULL)
771 sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
773 plugin_dispatch_values (&vl);
777 * column formatting convention & formats
778 * package: "pk" 2 columns %2d
779 * core: "cor" 3 columns %3d
780 * CPU: "CPU" 3 columns %3d
785 * GHz: "GHz" 3 columns %3.2
786 * TSC: "TSC" 3 columns %3.2
787 * SMI: "SMI" 4 columns %4d
788 * percentage " %pc3" %6.2
789 * Perf Status percentage: %5.2
790 * "CTMP" 4 columns %4d
793 static int submit_counters(struct thread_data *t, struct core_data *c,
797 double interval_float;
799 interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0;
801 snprintf(name, NAME_LEN, "cpu%02d", t->cpu_id);
803 if (do_nhm_cstates) {
805 turbostat_submit(name, "percent", "c0", 100.0 * t->mperf/t->tsc);
807 turbostat_submit(name, "percent", "c1", 100.0 * t->c1/t->tsc);
811 if (has_aperf && ((!aperf_mperf_unstable) || (!(t->aperf > t->tsc || t->mperf > t->tsc))))
812 turbostat_submit(NULL, "frequency", name, 1.0 * t->tsc / units * t->aperf / t->mperf / interval_float);
816 turbostat_submit(NULL, "current", name, t->smi_count);
818 /* print per-core data only for 1st thread in core */
819 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
822 snprintf(name, NAME_LEN, "core%02d", c->core_id);
824 if (do_nhm_cstates && !do_slm_cstates)
825 turbostat_submit(name, "percent", "c3", 100.0 * c->c3/t->tsc);
827 turbostat_submit(name, "percent", "c6", 100.0 * c->c6/t->tsc);
829 turbostat_submit(name, "percent", "c7", 100.0 * c->c7/t->tsc);
832 turbostat_submit(NULL, "temperature", name, c->core_temp_c);
834 /* print per-package data only for 1st core in package */
835 if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
838 snprintf(name, NAME_LEN, "pc%02d", p->package_id);
841 turbostat_submit(NULL, "temperature", name, p->pkg_temp_c);
844 turbostat_submit(name, "percent", "pc2", 100.0 * p->pc2/t->tsc);
845 if (do_nhm_cstates && !do_slm_cstates)
846 turbostat_submit(name, "percent", "pc3", 100.0 * p->pc3/t->tsc);
847 if (do_nhm_cstates && !do_slm_cstates)
848 turbostat_submit(name, "percent", "pc6", 100.0 * p->pc6/t->tsc);
850 turbostat_submit(name, "percent", "pc7", 100.0 * p->pc7/t->tsc);
852 turbostat_submit(name, "percent", "pc8", 100.0 * p->pc8/t->tsc);
853 turbostat_submit(name, "percent", "pc9", 100.0 * p->pc9/t->tsc);
854 turbostat_submit(name, "percent", "pc10", 100.0 * p->pc10/t->tsc);
858 if (do_rapl & RAPL_PKG)
859 turbostat_submit(name, "power", "Pkg_W", p->energy_pkg * rapl_energy_units / interval_float);
860 if (do_rapl & RAPL_CORES)
861 turbostat_submit(name, "power", "Cor_W", p->energy_cores * rapl_energy_units / interval_float);
862 if (do_rapl & RAPL_GFX)
863 turbostat_submit(name, "power", "GFX_W", p->energy_gfx * rapl_energy_units / interval_float);
864 if (do_rapl & RAPL_DRAM)
865 turbostat_submit(name, "power", "RAM_W", p->energy_dram * rapl_energy_units / interval_float);
871 static int turbostat_read (user_data_t * not_used)
876 if ((ret = setup_all_buffers()) < 0)
880 if (for_all_proc_cpus(cpu_is_not_present)) {
882 if ((ret = setup_all_buffers()) < 0)
884 if (for_all_proc_cpus(cpu_is_not_present))
885 return -ERR_CPU_NOT_PRESENT;
889 if ((ret = for_all_cpus(get_counters, EVEN_COUNTERS)) < 0)
891 gettimeofday(&tv_even, (struct timezone *)NULL);
898 if ((ret = for_all_cpus(get_counters, ODD_COUNTERS)) < 0)
900 gettimeofday(&tv_odd, (struct timezone *)NULL);
902 timersub(&tv_odd, &tv_even, &tv_delta);
903 if ((ret = for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS)) < 0)
905 if ((ret = for_all_cpus(submit_counters, EVEN_COUNTERS)) < 0)
908 if ((ret = for_all_cpus(get_counters, EVEN_COUNTERS)) < 0)
910 gettimeofday(&tv_even, (struct timezone *)NULL);
912 timersub(&tv_even, &tv_odd, &tv_delta);
913 if ((ret = for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS)) < 0)
915 if ((ret = for_all_cpus(submit_counters, ODD_COUNTERS)) < 0)
921 STATIC_MUST_CHECK(static int check_dev_msr())
925 if (stat("/dev/cpu/0/msr", &sb)) {
926 ERROR("no /dev/cpu/0/msr\n"
927 "Try \"# modprobe msr\"");
933 STATIC_MUST_CHECK(static int check_super_user())
936 ERROR("must be root");
937 return -ERR_NOT_ROOT;
943 #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */
944 #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */
946 static double get_tdp(unsigned int model)
948 unsigned long long msr;
950 if (do_rapl & RAPL_PKG_POWER_INFO)
951 if (!get_msr(0, MSR_PKG_POWER_INFO, &msr))
952 return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units;
967 * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units
969 static void rapl_probe(unsigned int family, unsigned int model)
971 unsigned long long msr;
972 unsigned int time_unit;
987 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO;
990 do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO;
994 do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO;
998 do_rapl = RAPL_PKG | RAPL_CORES ;
1004 /* units on package 0, verify later other packages match */
1005 if (get_msr(0, MSR_RAPL_POWER_UNIT, &msr))
1008 rapl_power_units = 1.0 / (1 << (msr & 0xF));
1010 rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000;
1012 rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
1014 time_unit = msr >> 16 & 0xF;
1018 rapl_time_units = 1.0 / (1 << (time_unit));
1020 tdp = get_tdp(model);
1022 rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
1024 // fprintf(stderr, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp);
1029 static int is_snb(unsigned int family, unsigned int model)
1037 case 0x3A: /* IVB */
1038 case 0x3E: /* IVB Xeon */
1039 case 0x3C: /* HSW */
1040 case 0x3F: /* HSW */
1041 case 0x45: /* HSW */
1042 case 0x46: /* HSW */
1048 static int has_c8_c9_c10(unsigned int family, unsigned int model)
1061 static int is_slm(unsigned int family, unsigned int model)
1066 case 0x37: /* BYT */
1067 case 0x4D: /* AVN */
1074 * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where
1075 * the Thermal Control Circuit (TCC) activates.
1076 * This is usually equal to tjMax.
1078 * Older processors do not have this MSR, so there we guess,
1079 * but also allow cmdline over-ride with -T.
1081 * Several MSR temperature values are in units of degrees-C
1082 * below this value, including the Digital Thermal Sensor (DTS),
1083 * Package Thermal Management Sensor (PTM), and thermal event thresholds.
1085 STATIC_MUST_CHECK(static int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p))
1087 unsigned long long msr;
1088 unsigned int target_c_local;
1091 /* tcc_activation_temp is used only for dts or ptm */
1092 if (!(do_dts || do_ptm))
1095 /* this is a per-package concept */
1096 if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
1100 if (cpu_migrate(cpu)) {
1101 ERROR("Could not migrate to CPU %d\n", cpu);
1102 return -ERR_CPU_MIGRATE;
1105 if (tcc_activation_temp_override != 0) {
1106 tcc_activation_temp = tcc_activation_temp_override;
1107 ERROR("cpu%d: Using cmdline TCC Target (%d C)\n",
1108 cpu, tcc_activation_temp);
1112 /* Temperature Target MSR is Nehalem and newer only */
1113 if (!do_nehalem_platform_info)
1116 if (get_msr(0, MSR_IA32_TEMPERATURE_TARGET, &msr))
1119 target_c_local = (msr >> 16) & 0x7F;
1121 if (target_c_local < 85 || target_c_local > 127)
1124 tcc_activation_temp = target_c_local;
1129 tcc_activation_temp = TJMAX_DEFAULT;
1130 WARNING("cpu%d: Guessing tjMax %d C, Please use -T to specify\n",
1131 cpu, tcc_activation_temp);
1136 STATIC_MUST_CHECK(static int check_cpuid())
1138 unsigned int eax, ebx, ecx, edx, max_level;
1139 unsigned int fms, family, model;
1141 eax = ebx = ecx = edx = 0;
1143 __get_cpuid(0, &max_level, &ebx, &ecx, &edx);
1145 if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e)
1149 __get_cpuid(1, &fms, &ebx, &ecx, &edx);
1150 family = (fms >> 8) & 0xf;
1151 model = (fms >> 4) & 0xf;
1152 if (family == 6 || family == 0xf)
1153 model += ((fms >> 16) & 0xf) << 4;
1155 if (!(edx & (1 << 5))) {
1156 ERROR("CPUID: no MSR");
1161 * check max extended function levels of CPUID.
1162 * This is needed to check for invariant TSC.
1163 * This check is valid for both Intel and AMD.
1165 ebx = ecx = edx = 0;
1166 __get_cpuid(0x80000000, &max_level, &ebx, &ecx, &edx);
1168 if (max_level < 0x80000007) {
1169 ERROR("CPUID: no invariant TSC (max_level 0x%x)", max_level);
1170 return -ERR_NO_INVARIANT_TSC;
1174 * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8
1175 * this check is valid for both Intel and AMD
1177 __get_cpuid(0x80000007, &eax, &ebx, &ecx, &edx);
1178 has_invariant_tsc = edx & (1 << 8);
1180 if (!has_invariant_tsc) {
1181 ERROR("No invariant TSC");
1182 return -ERR_NO_INVARIANT_TSC;
1186 * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0
1187 * this check is valid for both Intel and AMD
1190 __get_cpuid(0x6, &eax, &ebx, &ecx, &edx);
1191 has_aperf = ecx & (1 << 0);
1192 do_dts = eax & (1 << 0);
1193 do_ptm = eax & (1 << 6);
1194 has_epb = ecx & (1 << 3);
1198 return -ERR_NO_APERF;
1201 do_nehalem_platform_info = genuine_intel && has_invariant_tsc;
1202 do_nhm_cstates = genuine_intel; /* all Intel w/ non-stop TSC have NHM counters */
1203 do_smi = do_nhm_cstates;
1204 do_snb_cstates = is_snb(family, model);
1205 do_c8_c9_c10 = has_c8_c9_c10(family, model);
1206 do_slm_cstates = is_slm(family, model);
1208 rapl_probe(family, model);
1215 STATIC_MUST_CHECK(static int topology_probe())
1219 int max_core_id = 0;
1220 int max_package_id = 0;
1221 int max_siblings = 0;
1222 struct cpu_topology {
1224 int physical_package_id;
1227 /* Initialize num_cpus, max_cpu_num */
1229 topo.max_cpu_num = 0;
1230 ret = for_all_proc_cpus(count_cpus);
1233 if (topo.num_cpus > 1)
1236 DEBUG("num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num);
1238 cpus = calloc(1, (topo.max_cpu_num + 1) * sizeof(struct cpu_topology));
1240 ERROR("calloc cpus");
1245 * Allocate and initialize cpu_present_set
1247 cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1));
1248 if (cpu_present_set == NULL) {
1251 return -ERR_CPU_ALLOC;
1253 cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
1254 CPU_ZERO_S(cpu_present_setsize, cpu_present_set);
1255 ret = for_all_proc_cpus(mark_cpu_present);
1262 * Allocate and initialize cpu_affinity_set
1264 cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1));
1265 if (cpu_affinity_set == NULL) {
1268 return -ERR_CPU_ALLOC;
1270 cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
1271 CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
1276 * find max_core_id, max_package_id
1278 for (i = 0; i <= topo.max_cpu_num; ++i) {
1281 if (cpu_is_not_present(i)) {
1283 fprintf(stderr, "cpu%d NOT PRESENT\n", i);
1286 cpus[i].core_id = get_core_id(i);
1287 if (cpus[i].core_id < 0)
1288 return cpus[i].core_id;
1289 if (cpus[i].core_id > max_core_id)
1290 max_core_id = cpus[i].core_id;
1292 cpus[i].physical_package_id = get_physical_package_id(i);
1293 if (cpus[i].physical_package_id < 0)
1294 return cpus[i].physical_package_id;
1295 if (cpus[i].physical_package_id > max_package_id)
1296 max_package_id = cpus[i].physical_package_id;
1298 siblings = get_num_ht_siblings(i);
1301 if (siblings > max_siblings)
1302 max_siblings = siblings;
1303 DEBUG("cpu %d pkg %d core %d\n",
1304 i, cpus[i].physical_package_id, cpus[i].core_id);
1306 topo.num_cores_per_pkg = max_core_id + 1;
1307 DEBUG("max_core_id %d, sizing for %d cores per package\n",
1308 max_core_id, topo.num_cores_per_pkg);
1309 if (topo.num_cores_per_pkg > 1)
1312 topo.num_packages = max_package_id + 1;
1313 DEBUG("max_package_id %d, sizing for %d packages\n",
1314 max_package_id, topo.num_packages);
1315 if (topo.num_packages > 1)
1318 topo.num_threads_per_core = max_siblings;
1319 DEBUG("max_siblings %d\n", max_siblings);
1326 allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p)
1330 *t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg *
1331 topo.num_packages, sizeof(struct thread_data));
1335 for (i = 0; i < topo.num_threads_per_core *
1336 topo.num_cores_per_pkg * topo.num_packages; i++)
1337 (*t)[i].cpu_id = -1;
1339 *c = calloc(topo.num_cores_per_pkg * topo.num_packages,
1340 sizeof(struct core_data));
1344 for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++)
1345 (*c)[i].core_id = -1;
1347 *p = calloc(topo.num_packages, sizeof(struct pkg_data));
1351 for (i = 0; i < topo.num_packages; i++)
1352 (*p)[i].package_id = i;
1356 ERROR("calloc counters");
1362 * set cpu_id, core_num, pkg_num
1363 * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE
1365 * increment topo.num_cores when 1st core in pkg seen
1367 static int init_counter(struct thread_data *thread_base, struct core_data *core_base,
1368 struct pkg_data *pkg_base, int thread_num, int core_num,
1369 int pkg_num, int cpu_id)
1372 struct thread_data *t;
1373 struct core_data *c;
1376 t = GET_THREAD(thread_base, thread_num, core_num, pkg_num);
1377 c = GET_CORE(core_base, core_num, pkg_num);
1378 p = GET_PKG(pkg_base, pkg_num);
1381 if (thread_num == 0) {
1382 t->flags |= CPU_IS_FIRST_THREAD_IN_CORE;
1383 if ((ret = cpu_is_first_core_in_package(cpu_id)) < 0) {
1385 } else if (ret != 0) {
1386 t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE;
1390 c->core_id = core_num;
1391 p->package_id = pkg_num;
1397 static int initialize_counters(int cpu_id)
1399 int my_thread_id, my_core_id, my_package_id;
1402 my_package_id = get_physical_package_id(cpu_id);
1403 if (my_package_id < 0)
1404 return my_package_id;
1405 my_core_id = get_core_id(cpu_id);
1409 if ((ret = cpu_is_first_sibling_in_core(cpu_id)) < 0) {
1411 } else if (ret != 0) {
1418 ret = init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
1421 ret = init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
1427 #define DO_OR_GOTO_ERR(something) \
1434 static int setup_all_buffers(void)
1438 DO_OR_GOTO_ERR(topology_probe())
1439 DO_OR_GOTO_ERR(allocate_counters(&thread_even, &core_even, &package_even))
1440 DO_OR_GOTO_ERR(allocate_counters(&thread_odd, &core_odd, &package_odd))
1441 DO_OR_GOTO_ERR(for_all_proc_cpus(initialize_counters))
1450 static int turbostat_init(void)
1455 DO_OR_GOTO_ERR(check_cpuid())
1456 DO_OR_GOTO_ERR(check_dev_msr())
1457 DO_OR_GOTO_ERR(check_super_user())
1458 DO_OR_GOTO_ERR(setup_all_buffers())
1459 DO_OR_GOTO_ERR(for_all_cpus(set_temperature_target, EVEN_COUNTERS))
1461 ts.tv_sec = interval_sec;
1464 plugin_register_complex_read(NULL, PLUGIN_NAME, turbostat_read, &ts, NULL);
1472 static const char *config_keys[] =
1476 static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
1478 static int turbostat_config (const char *key, const char *value)
1480 if (strcasecmp("Interval", key) == 0)
1481 interval_sec = atoi(value);
1487 void module_register (void);
1488 void module_register (void)
1490 plugin_register_init(PLUGIN_NAME, turbostat_init);
1491 plugin_register_config(PLUGIN_NAME, turbostat_config, config_keys, config_keys_num);