2 * turbostat -- show CPU frequency and C-state residency
3 * on modern Intel turbo-capable processors.
5 * Copyright (c) 2013 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.
28 #include <sys/types.h>
31 #include <sys/resource.h>
42 #include <linux/capability.h>
45 char *proc_stat
= "/proc/stat";
46 unsigned int interval_sec
= 5;
48 unsigned int rapl_joules
;
49 unsigned int summary_only
;
50 unsigned int dump_only
;
53 unsigned int do_nhm_cstates
;
54 unsigned int do_snb_cstates
;
55 unsigned int do_knl_cstates
;
60 unsigned int do_c8_c9_c10
;
61 unsigned int do_skl_residency
;
62 unsigned int do_slm_cstates
;
63 unsigned int use_c1_residency_msr
;
64 unsigned int has_aperf
;
66 unsigned int units
= 1000000; /* MHz etc */
67 unsigned int genuine_intel
;
68 unsigned int has_invariant_tsc
;
69 unsigned int do_nhm_platform_info
;
70 unsigned int extra_msr_offset32
;
71 unsigned int extra_msr_offset64
;
72 unsigned int extra_delta_offset32
;
73 unsigned int extra_delta_offset64
;
74 unsigned int aperf_mperf_multiplier
= 1;
78 unsigned int has_base_hz
;
79 double tsc_tweak
= 1.0;
80 unsigned int show_pkg
;
81 unsigned int show_core
;
82 unsigned int show_cpu
;
83 unsigned int show_pkg_only
;
84 unsigned int show_core_only
;
85 char *output_buffer
, *outp
;
89 unsigned int tcc_activation_temp
;
90 unsigned int tcc_activation_temp_override
;
91 double rapl_power_units
, rapl_time_units
;
92 double rapl_dram_energy_units
, rapl_energy_units
;
93 double rapl_joule_counter_range
;
94 unsigned int do_core_perf_limit_reasons
;
95 unsigned int do_gfx_perf_limit_reasons
;
96 unsigned int do_ring_perf_limit_reasons
;
97 unsigned int crystal_hz
;
98 unsigned long long tsc_hz
;
100 double discover_bclk(unsigned int family
, unsigned int model
);
102 #define RAPL_PKG (1 << 0)
103 /* 0x610 MSR_PKG_POWER_LIMIT */
104 /* 0x611 MSR_PKG_ENERGY_STATUS */
105 #define RAPL_PKG_PERF_STATUS (1 << 1)
106 /* 0x613 MSR_PKG_PERF_STATUS */
107 #define RAPL_PKG_POWER_INFO (1 << 2)
108 /* 0x614 MSR_PKG_POWER_INFO */
110 #define RAPL_DRAM (1 << 3)
111 /* 0x618 MSR_DRAM_POWER_LIMIT */
112 /* 0x619 MSR_DRAM_ENERGY_STATUS */
113 #define RAPL_DRAM_PERF_STATUS (1 << 4)
114 /* 0x61b MSR_DRAM_PERF_STATUS */
115 #define RAPL_DRAM_POWER_INFO (1 << 5)
116 /* 0x61c MSR_DRAM_POWER_INFO */
118 #define RAPL_CORES (1 << 6)
119 /* 0x638 MSR_PP0_POWER_LIMIT */
120 /* 0x639 MSR_PP0_ENERGY_STATUS */
121 #define RAPL_CORE_POLICY (1 << 7)
122 /* 0x63a MSR_PP0_POLICY */
124 #define RAPL_GFX (1 << 8)
125 /* 0x640 MSR_PP1_POWER_LIMIT */
126 /* 0x641 MSR_PP1_ENERGY_STATUS */
127 /* 0x642 MSR_PP1_POLICY */
128 #define TJMAX_DEFAULT 100
130 #define MAX(a, b) ((a) > (b) ? (a) : (b))
132 int aperf_mperf_unstable
;
136 cpu_set_t
*cpu_present_set
, *cpu_affinity_set
;
137 size_t cpu_present_setsize
, cpu_affinity_setsize
;
140 unsigned long long tsc
;
141 unsigned long long aperf
;
142 unsigned long long mperf
;
143 unsigned long long c1
;
144 unsigned long long extra_msr64
;
145 unsigned long long extra_delta64
;
146 unsigned long long extra_msr32
;
147 unsigned long long extra_delta32
;
148 unsigned int smi_count
;
151 #define CPU_IS_FIRST_THREAD_IN_CORE 0x2
152 #define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4
153 } *thread_even
, *thread_odd
;
156 unsigned long long c3
;
157 unsigned long long c6
;
158 unsigned long long c7
;
159 unsigned int core_temp_c
;
160 unsigned int core_id
;
161 } *core_even
, *core_odd
;
164 unsigned long long pc2
;
165 unsigned long long pc3
;
166 unsigned long long pc6
;
167 unsigned long long pc7
;
168 unsigned long long pc8
;
169 unsigned long long pc9
;
170 unsigned long long pc10
;
171 unsigned long long pkg_wtd_core_c0
;
172 unsigned long long pkg_any_core_c0
;
173 unsigned long long pkg_any_gfxe_c0
;
174 unsigned long long pkg_both_core_gfxe_c0
;
175 unsigned int package_id
;
176 unsigned int energy_pkg
; /* MSR_PKG_ENERGY_STATUS */
177 unsigned int energy_dram
; /* MSR_DRAM_ENERGY_STATUS */
178 unsigned int energy_cores
; /* MSR_PP0_ENERGY_STATUS */
179 unsigned int energy_gfx
; /* MSR_PP1_ENERGY_STATUS */
180 unsigned int rapl_pkg_perf_status
; /* MSR_PKG_PERF_STATUS */
181 unsigned int rapl_dram_perf_status
; /* MSR_DRAM_PERF_STATUS */
182 unsigned int pkg_temp_c
;
184 } *package_even
, *package_odd
;
186 #define ODD_COUNTERS thread_odd, core_odd, package_odd
187 #define EVEN_COUNTERS thread_even, core_even, package_even
189 #define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \
190 (thread_base + (pkg_no) * topo.num_cores_per_pkg * \
191 topo.num_threads_per_core + \
192 (core_no) * topo.num_threads_per_core + (thread_no))
193 #define GET_CORE(core_base, core_no, pkg_no) \
194 (core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no))
195 #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no)
197 struct system_summary
{
198 struct thread_data threads
;
199 struct core_data cores
;
200 struct pkg_data packages
;
209 int num_cores_per_pkg
;
210 int num_threads_per_core
;
213 struct timeval tv_even
, tv_odd
, tv_delta
;
215 void setup_all_buffers(void);
217 int cpu_is_not_present(int cpu
)
219 return !CPU_ISSET_S(cpu
, cpu_present_setsize
, cpu_present_set
);
222 * run func(thread, core, package) in topology order
223 * skip non-present cpus
226 int for_all_cpus(int (func
)(struct thread_data
*, struct core_data
*, struct pkg_data
*),
227 struct thread_data
*thread_base
, struct core_data
*core_base
, struct pkg_data
*pkg_base
)
229 int retval
, pkg_no
, core_no
, thread_no
;
231 for (pkg_no
= 0; pkg_no
< topo
.num_packages
; ++pkg_no
) {
232 for (core_no
= 0; core_no
< topo
.num_cores_per_pkg
; ++core_no
) {
233 for (thread_no
= 0; thread_no
<
234 topo
.num_threads_per_core
; ++thread_no
) {
235 struct thread_data
*t
;
239 t
= GET_THREAD(thread_base
, thread_no
, core_no
, pkg_no
);
241 if (cpu_is_not_present(t
->cpu_id
))
244 c
= GET_CORE(core_base
, core_no
, pkg_no
);
245 p
= GET_PKG(pkg_base
, pkg_no
);
247 retval
= func(t
, c
, p
);
256 int cpu_migrate(int cpu
)
258 CPU_ZERO_S(cpu_affinity_setsize
, cpu_affinity_set
);
259 CPU_SET_S(cpu
, cpu_affinity_setsize
, cpu_affinity_set
);
260 if (sched_setaffinity(0, cpu_affinity_setsize
, cpu_affinity_set
) == -1)
266 int get_msr(int cpu
, off_t offset
, unsigned long long *msr
)
272 sprintf(pathname
, "/dev/cpu/%d/msr", cpu
);
273 fd
= open(pathname
, O_RDONLY
);
275 err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname
);
277 retval
= pread(fd
, msr
, sizeof *msr
, offset
);
280 if (retval
!= sizeof *msr
)
281 err(-1, "%s offset 0x%llx read failed", pathname
, (unsigned long long)offset
);
287 * Example Format w/ field column widths:
289 * 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
290 * 123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678
293 void print_header(void)
296 outp
+= sprintf(outp
, " Package");
298 outp
+= sprintf(outp
, " Core");
300 outp
+= sprintf(outp
, " CPU");
302 outp
+= sprintf(outp
, " Avg_MHz");
304 outp
+= sprintf(outp
, " %%Busy");
306 outp
+= sprintf(outp
, " Bzy_MHz");
307 outp
+= sprintf(outp
, " TSC_MHz");
309 if (extra_delta_offset32
)
310 outp
+= sprintf(outp
, " count 0x%03X", extra_delta_offset32
);
311 if (extra_delta_offset64
)
312 outp
+= sprintf(outp
, " COUNT 0x%03X", extra_delta_offset64
);
313 if (extra_msr_offset32
)
314 outp
+= sprintf(outp
, " MSR 0x%03X", extra_msr_offset32
);
315 if (extra_msr_offset64
)
316 outp
+= sprintf(outp
, " MSR 0x%03X", extra_msr_offset64
);
322 outp
+= sprintf(outp
, " SMI");
325 outp
+= sprintf(outp
, " CPU%%c1");
326 if (do_nhm_cstates
&& !do_slm_cstates
&& !do_knl_cstates
)
327 outp
+= sprintf(outp
, " CPU%%c3");
329 outp
+= sprintf(outp
, " CPU%%c6");
331 outp
+= sprintf(outp
, " CPU%%c7");
334 outp
+= sprintf(outp
, " CoreTmp");
336 outp
+= sprintf(outp
, " PkgTmp");
338 if (do_skl_residency
) {
339 outp
+= sprintf(outp
, " Totl%%C0");
340 outp
+= sprintf(outp
, " Any%%C0");
341 outp
+= sprintf(outp
, " GFX%%C0");
342 outp
+= sprintf(outp
, " CPUGFX%%");
346 outp
+= sprintf(outp
, " Pkg%%pc2");
348 outp
+= sprintf(outp
, " Pkg%%pc3");
350 outp
+= sprintf(outp
, " Pkg%%pc6");
352 outp
+= sprintf(outp
, " Pkg%%pc7");
354 outp
+= sprintf(outp
, " Pkg%%pc8");
355 outp
+= sprintf(outp
, " Pkg%%pc9");
356 outp
+= sprintf(outp
, " Pk%%pc10");
359 if (do_rapl
&& !rapl_joules
) {
360 if (do_rapl
& RAPL_PKG
)
361 outp
+= sprintf(outp
, " PkgWatt");
362 if (do_rapl
& RAPL_CORES
)
363 outp
+= sprintf(outp
, " CorWatt");
364 if (do_rapl
& RAPL_GFX
)
365 outp
+= sprintf(outp
, " GFXWatt");
366 if (do_rapl
& RAPL_DRAM
)
367 outp
+= sprintf(outp
, " RAMWatt");
368 if (do_rapl
& RAPL_PKG_PERF_STATUS
)
369 outp
+= sprintf(outp
, " PKG_%%");
370 if (do_rapl
& RAPL_DRAM_PERF_STATUS
)
371 outp
+= sprintf(outp
, " RAM_%%");
372 } else if (do_rapl
&& rapl_joules
) {
373 if (do_rapl
& RAPL_PKG
)
374 outp
+= sprintf(outp
, " Pkg_J");
375 if (do_rapl
& RAPL_CORES
)
376 outp
+= sprintf(outp
, " Cor_J");
377 if (do_rapl
& RAPL_GFX
)
378 outp
+= sprintf(outp
, " GFX_J");
379 if (do_rapl
& RAPL_DRAM
)
380 outp
+= sprintf(outp
, " RAM_J");
381 if (do_rapl
& RAPL_PKG_PERF_STATUS
)
382 outp
+= sprintf(outp
, " PKG_%%");
383 if (do_rapl
& RAPL_DRAM_PERF_STATUS
)
384 outp
+= sprintf(outp
, " RAM_%%");
385 outp
+= sprintf(outp
, " time");
389 outp
+= sprintf(outp
, "\n");
392 int dump_counters(struct thread_data
*t
, struct core_data
*c
,
395 outp
+= sprintf(outp
, "t %p, c %p, p %p\n", t
, c
, p
);
398 outp
+= sprintf(outp
, "CPU: %d flags 0x%x\n",
399 t
->cpu_id
, t
->flags
);
400 outp
+= sprintf(outp
, "TSC: %016llX\n", t
->tsc
);
401 outp
+= sprintf(outp
, "aperf: %016llX\n", t
->aperf
);
402 outp
+= sprintf(outp
, "mperf: %016llX\n", t
->mperf
);
403 outp
+= sprintf(outp
, "c1: %016llX\n", t
->c1
);
404 outp
+= sprintf(outp
, "msr0x%x: %08llX\n",
405 extra_delta_offset32
, t
->extra_delta32
);
406 outp
+= sprintf(outp
, "msr0x%x: %016llX\n",
407 extra_delta_offset64
, t
->extra_delta64
);
408 outp
+= sprintf(outp
, "msr0x%x: %08llX\n",
409 extra_msr_offset32
, t
->extra_msr32
);
410 outp
+= sprintf(outp
, "msr0x%x: %016llX\n",
411 extra_msr_offset64
, t
->extra_msr64
);
413 outp
+= sprintf(outp
, "SMI: %08X\n", t
->smi_count
);
417 outp
+= sprintf(outp
, "core: %d\n", c
->core_id
);
418 outp
+= sprintf(outp
, "c3: %016llX\n", c
->c3
);
419 outp
+= sprintf(outp
, "c6: %016llX\n", c
->c6
);
420 outp
+= sprintf(outp
, "c7: %016llX\n", c
->c7
);
421 outp
+= sprintf(outp
, "DTS: %dC\n", c
->core_temp_c
);
425 outp
+= sprintf(outp
, "package: %d\n", p
->package_id
);
427 outp
+= sprintf(outp
, "Weighted cores: %016llX\n", p
->pkg_wtd_core_c0
);
428 outp
+= sprintf(outp
, "Any cores: %016llX\n", p
->pkg_any_core_c0
);
429 outp
+= sprintf(outp
, "Any GFX: %016llX\n", p
->pkg_any_gfxe_c0
);
430 outp
+= sprintf(outp
, "CPU + GFX: %016llX\n", p
->pkg_both_core_gfxe_c0
);
432 outp
+= sprintf(outp
, "pc2: %016llX\n", p
->pc2
);
434 outp
+= sprintf(outp
, "pc3: %016llX\n", p
->pc3
);
436 outp
+= sprintf(outp
, "pc6: %016llX\n", p
->pc6
);
438 outp
+= sprintf(outp
, "pc7: %016llX\n", p
->pc7
);
439 outp
+= sprintf(outp
, "pc8: %016llX\n", p
->pc8
);
440 outp
+= sprintf(outp
, "pc9: %016llX\n", p
->pc9
);
441 outp
+= sprintf(outp
, "pc10: %016llX\n", p
->pc10
);
442 outp
+= sprintf(outp
, "Joules PKG: %0X\n", p
->energy_pkg
);
443 outp
+= sprintf(outp
, "Joules COR: %0X\n", p
->energy_cores
);
444 outp
+= sprintf(outp
, "Joules GFX: %0X\n", p
->energy_gfx
);
445 outp
+= sprintf(outp
, "Joules RAM: %0X\n", p
->energy_dram
);
446 outp
+= sprintf(outp
, "Throttle PKG: %0X\n",
447 p
->rapl_pkg_perf_status
);
448 outp
+= sprintf(outp
, "Throttle RAM: %0X\n",
449 p
->rapl_dram_perf_status
);
450 outp
+= sprintf(outp
, "PTM: %dC\n", p
->pkg_temp_c
);
453 outp
+= sprintf(outp
, "\n");
459 * column formatting convention & formats
461 int format_counters(struct thread_data
*t
, struct core_data
*c
,
464 double interval_float
;
467 /* if showing only 1st thread in core and this isn't one, bail out */
468 if (show_core_only
&& !(t
->flags
& CPU_IS_FIRST_THREAD_IN_CORE
))
471 /* if showing only 1st thread in pkg and this isn't one, bail out */
472 if (show_pkg_only
&& !(t
->flags
& CPU_IS_FIRST_CORE_IN_PACKAGE
))
475 interval_float
= tv_delta
.tv_sec
+ tv_delta
.tv_usec
/1000000.0;
477 /* topo columns, print blanks on 1st (average) line */
478 if (t
== &average
.threads
) {
480 outp
+= sprintf(outp
, " -");
482 outp
+= sprintf(outp
, " -");
484 outp
+= sprintf(outp
, " -");
488 outp
+= sprintf(outp
, "%8d", p
->package_id
);
490 outp
+= sprintf(outp
, " -");
494 outp
+= sprintf(outp
, "%8d", c
->core_id
);
496 outp
+= sprintf(outp
, " -");
499 outp
+= sprintf(outp
, "%8d", t
->cpu_id
);
504 outp
+= sprintf(outp
, "%8.0f",
505 1.0 / units
* t
->aperf
/ interval_float
);
510 outp
+= sprintf(outp
, "%8.2f", 100.0 * t
->mperf
/t
->tsc
/tsc_tweak
);
512 outp
+= sprintf(outp
, "********");
518 outp
+= sprintf(outp
, "%8.0f", base_hz
/ units
* t
->aperf
/ t
->mperf
);
520 outp
+= sprintf(outp
, "%8.0f",
521 1.0 * t
->tsc
/ units
* t
->aperf
/ t
->mperf
/ interval_float
);
525 outp
+= sprintf(outp
, "%8.0f", 1.0 * t
->tsc
/units
/interval_float
);
528 if (extra_delta_offset32
)
529 outp
+= sprintf(outp
, " %11llu", t
->extra_delta32
);
532 if (extra_delta_offset64
)
533 outp
+= sprintf(outp
, " %11llu", t
->extra_delta64
);
535 if (extra_msr_offset32
)
536 outp
+= sprintf(outp
, " 0x%08llx", t
->extra_msr32
);
539 if (extra_msr_offset64
)
540 outp
+= sprintf(outp
, " 0x%016llx", t
->extra_msr64
);
547 outp
+= sprintf(outp
, "%8d", t
->smi_count
);
549 if (do_nhm_cstates
) {
551 outp
+= sprintf(outp
, "%8.2f", 100.0 * t
->c1
/t
->tsc
);
553 outp
+= sprintf(outp
, "********");
556 /* print per-core data only for 1st thread in core */
557 if (!(t
->flags
& CPU_IS_FIRST_THREAD_IN_CORE
))
560 if (do_nhm_cstates
&& !do_slm_cstates
&& !do_knl_cstates
)
561 outp
+= sprintf(outp
, "%8.2f", 100.0 * c
->c3
/t
->tsc
);
563 outp
+= sprintf(outp
, "%8.2f", 100.0 * c
->c6
/t
->tsc
);
565 outp
+= sprintf(outp
, "%8.2f", 100.0 * c
->c7
/t
->tsc
);
568 outp
+= sprintf(outp
, "%8d", c
->core_temp_c
);
570 /* print per-package data only for 1st core in package */
571 if (!(t
->flags
& CPU_IS_FIRST_CORE_IN_PACKAGE
))
576 outp
+= sprintf(outp
, "%8d", p
->pkg_temp_c
);
578 /* Totl%C0, Any%C0 GFX%C0 CPUGFX% */
579 if (do_skl_residency
) {
580 outp
+= sprintf(outp
, "%8.2f", 100.0 * p
->pkg_wtd_core_c0
/t
->tsc
);
581 outp
+= sprintf(outp
, "%8.2f", 100.0 * p
->pkg_any_core_c0
/t
->tsc
);
582 outp
+= sprintf(outp
, "%8.2f", 100.0 * p
->pkg_any_gfxe_c0
/t
->tsc
);
583 outp
+= sprintf(outp
, "%8.2f", 100.0 * p
->pkg_both_core_gfxe_c0
/t
->tsc
);
587 outp
+= sprintf(outp
, "%8.2f", 100.0 * p
->pc2
/t
->tsc
);
589 outp
+= sprintf(outp
, "%8.2f", 100.0 * p
->pc3
/t
->tsc
);
591 outp
+= sprintf(outp
, "%8.2f", 100.0 * p
->pc6
/t
->tsc
);
593 outp
+= sprintf(outp
, "%8.2f", 100.0 * p
->pc7
/t
->tsc
);
595 outp
+= sprintf(outp
, "%8.2f", 100.0 * p
->pc8
/t
->tsc
);
596 outp
+= sprintf(outp
, "%8.2f", 100.0 * p
->pc9
/t
->tsc
);
597 outp
+= sprintf(outp
, "%8.2f", 100.0 * p
->pc10
/t
->tsc
);
601 * If measurement interval exceeds minimum RAPL Joule Counter range,
602 * indicate that results are suspect by printing "**" in fraction place.
604 if (interval_float
< rapl_joule_counter_range
)
609 if (do_rapl
&& !rapl_joules
) {
610 if (do_rapl
& RAPL_PKG
)
611 outp
+= sprintf(outp
, fmt8
, p
->energy_pkg
* rapl_energy_units
/ interval_float
);
612 if (do_rapl
& RAPL_CORES
)
613 outp
+= sprintf(outp
, fmt8
, p
->energy_cores
* rapl_energy_units
/ interval_float
);
614 if (do_rapl
& RAPL_GFX
)
615 outp
+= sprintf(outp
, fmt8
, p
->energy_gfx
* rapl_energy_units
/ interval_float
);
616 if (do_rapl
& RAPL_DRAM
)
617 outp
+= sprintf(outp
, fmt8
, p
->energy_dram
* rapl_dram_energy_units
/ interval_float
);
618 if (do_rapl
& RAPL_PKG_PERF_STATUS
)
619 outp
+= sprintf(outp
, fmt8
, 100.0 * p
->rapl_pkg_perf_status
* rapl_time_units
/ interval_float
);
620 if (do_rapl
& RAPL_DRAM_PERF_STATUS
)
621 outp
+= sprintf(outp
, fmt8
, 100.0 * p
->rapl_dram_perf_status
* rapl_time_units
/ interval_float
);
622 } else if (do_rapl
&& rapl_joules
) {
623 if (do_rapl
& RAPL_PKG
)
624 outp
+= sprintf(outp
, fmt8
,
625 p
->energy_pkg
* rapl_energy_units
);
626 if (do_rapl
& RAPL_CORES
)
627 outp
+= sprintf(outp
, fmt8
,
628 p
->energy_cores
* rapl_energy_units
);
629 if (do_rapl
& RAPL_GFX
)
630 outp
+= sprintf(outp
, fmt8
,
631 p
->energy_gfx
* rapl_energy_units
);
632 if (do_rapl
& RAPL_DRAM
)
633 outp
+= sprintf(outp
, fmt8
,
634 p
->energy_dram
* rapl_dram_energy_units
);
635 if (do_rapl
& RAPL_PKG_PERF_STATUS
)
636 outp
+= sprintf(outp
, fmt8
, 100.0 * p
->rapl_pkg_perf_status
* rapl_time_units
/ interval_float
);
637 if (do_rapl
& RAPL_DRAM_PERF_STATUS
)
638 outp
+= sprintf(outp
, fmt8
, 100.0 * p
->rapl_dram_perf_status
* rapl_time_units
/ interval_float
);
640 outp
+= sprintf(outp
, fmt8
, interval_float
);
643 outp
+= sprintf(outp
, "\n");
650 fputs(output_buffer
, stdout
);
652 outp
= output_buffer
;
656 fputs(output_buffer
, stderr
);
657 outp
= output_buffer
;
659 void format_all_counters(struct thread_data
*t
, struct core_data
*c
, struct pkg_data
*p
)
663 if (!printed
|| !summary_only
)
666 if (topo
.num_cpus
> 1)
667 format_counters(&average
.threads
, &average
.cores
,
675 for_all_cpus(format_counters
, t
, c
, p
);
678 #define DELTA_WRAP32(new, old) \
682 old = 0x100000000 + new - old; \
686 delta_package(struct pkg_data
*new, struct pkg_data
*old
)
689 if (do_skl_residency
) {
690 old
->pkg_wtd_core_c0
= new->pkg_wtd_core_c0
- old
->pkg_wtd_core_c0
;
691 old
->pkg_any_core_c0
= new->pkg_any_core_c0
- old
->pkg_any_core_c0
;
692 old
->pkg_any_gfxe_c0
= new->pkg_any_gfxe_c0
- old
->pkg_any_gfxe_c0
;
693 old
->pkg_both_core_gfxe_c0
= new->pkg_both_core_gfxe_c0
- old
->pkg_both_core_gfxe_c0
;
695 old
->pc2
= new->pc2
- old
->pc2
;
697 old
->pc3
= new->pc3
- old
->pc3
;
699 old
->pc6
= new->pc6
- old
->pc6
;
701 old
->pc7
= new->pc7
- old
->pc7
;
702 old
->pc8
= new->pc8
- old
->pc8
;
703 old
->pc9
= new->pc9
- old
->pc9
;
704 old
->pc10
= new->pc10
- old
->pc10
;
705 old
->pkg_temp_c
= new->pkg_temp_c
;
707 DELTA_WRAP32(new->energy_pkg
, old
->energy_pkg
);
708 DELTA_WRAP32(new->energy_cores
, old
->energy_cores
);
709 DELTA_WRAP32(new->energy_gfx
, old
->energy_gfx
);
710 DELTA_WRAP32(new->energy_dram
, old
->energy_dram
);
711 DELTA_WRAP32(new->rapl_pkg_perf_status
, old
->rapl_pkg_perf_status
);
712 DELTA_WRAP32(new->rapl_dram_perf_status
, old
->rapl_dram_perf_status
);
716 delta_core(struct core_data
*new, struct core_data
*old
)
718 old
->c3
= new->c3
- old
->c3
;
719 old
->c6
= new->c6
- old
->c6
;
720 old
->c7
= new->c7
- old
->c7
;
721 old
->core_temp_c
= new->core_temp_c
;
728 delta_thread(struct thread_data
*new, struct thread_data
*old
,
729 struct core_data
*core_delta
)
731 old
->tsc
= new->tsc
- old
->tsc
;
733 /* check for TSC < 1 Mcycles over interval */
734 if (old
->tsc
< (1000 * 1000))
735 errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n"
736 "You can disable all c-states by booting with \"idle=poll\"\n"
737 "or just the deep ones with \"processor.max_cstate=1\"");
739 old
->c1
= new->c1
- old
->c1
;
742 if ((new->aperf
> old
->aperf
) && (new->mperf
> old
->mperf
)) {
743 old
->aperf
= new->aperf
- old
->aperf
;
744 old
->mperf
= new->mperf
- old
->mperf
;
747 if (!aperf_mperf_unstable
) {
748 fprintf(stderr
, "%s: APERF or MPERF went backwards *\n", progname
);
749 fprintf(stderr
, "* Frequency results do not cover entire interval *\n");
750 fprintf(stderr
, "* fix this by running Linux-2.6.30 or later *\n");
752 aperf_mperf_unstable
= 1;
755 * mperf delta is likely a huge "positive" number
756 * can not use it for calculating c0 time
764 if (use_c1_residency_msr
) {
766 * Some models have a dedicated C1 residency MSR,
767 * which should be more accurate than the derivation below.
771 * As counter collection is not atomic,
772 * it is possible for mperf's non-halted cycles + idle states
773 * to exceed TSC's all cycles: show c1 = 0% in that case.
775 if ((old
->mperf
+ core_delta
->c3
+ core_delta
->c6
+ core_delta
->c7
) > old
->tsc
)
778 /* normal case, derive c1 */
779 old
->c1
= old
->tsc
- old
->mperf
- core_delta
->c3
780 - core_delta
->c6
- core_delta
->c7
;
784 if (old
->mperf
== 0) {
785 if (debug
> 1) fprintf(stderr
, "cpu%d MPERF 0!\n", old
->cpu_id
);
786 old
->mperf
= 1; /* divide by 0 protection */
789 old
->extra_delta32
= new->extra_delta32
- old
->extra_delta32
;
790 old
->extra_delta32
&= 0xFFFFFFFF;
792 old
->extra_delta64
= new->extra_delta64
- old
->extra_delta64
;
795 * Extra MSR is just a snapshot, simply copy latest w/o subtracting
797 old
->extra_msr32
= new->extra_msr32
;
798 old
->extra_msr64
= new->extra_msr64
;
801 old
->smi_count
= new->smi_count
- old
->smi_count
;
804 int delta_cpu(struct thread_data
*t
, struct core_data
*c
,
805 struct pkg_data
*p
, struct thread_data
*t2
,
806 struct core_data
*c2
, struct pkg_data
*p2
)
808 /* calculate core delta only for 1st thread in core */
809 if (t
->flags
& CPU_IS_FIRST_THREAD_IN_CORE
)
812 /* always calculate thread delta */
813 delta_thread(t
, t2
, c2
); /* c2 is core delta */
815 /* calculate package delta only for 1st core in package */
816 if (t
->flags
& CPU_IS_FIRST_CORE_IN_PACKAGE
)
817 delta_package(p
, p2
);
822 void clear_counters(struct thread_data
*t
, struct core_data
*c
, struct pkg_data
*p
)
830 t
->extra_delta32
= 0;
831 t
->extra_delta64
= 0;
833 /* tells format_counters to dump all fields from this set */
834 t
->flags
= CPU_IS_FIRST_THREAD_IN_CORE
| CPU_IS_FIRST_CORE_IN_PACKAGE
;
841 p
->pkg_wtd_core_c0
= 0;
842 p
->pkg_any_core_c0
= 0;
843 p
->pkg_any_gfxe_c0
= 0;
844 p
->pkg_both_core_gfxe_c0
= 0;
861 p
->rapl_pkg_perf_status
= 0;
862 p
->rapl_dram_perf_status
= 0;
865 int sum_counters(struct thread_data
*t
, struct core_data
*c
,
868 average
.threads
.tsc
+= t
->tsc
;
869 average
.threads
.aperf
+= t
->aperf
;
870 average
.threads
.mperf
+= t
->mperf
;
871 average
.threads
.c1
+= t
->c1
;
873 average
.threads
.extra_delta32
+= t
->extra_delta32
;
874 average
.threads
.extra_delta64
+= t
->extra_delta64
;
876 /* sum per-core values only for 1st thread in core */
877 if (!(t
->flags
& CPU_IS_FIRST_THREAD_IN_CORE
))
880 average
.cores
.c3
+= c
->c3
;
881 average
.cores
.c6
+= c
->c6
;
882 average
.cores
.c7
+= c
->c7
;
884 average
.cores
.core_temp_c
= MAX(average
.cores
.core_temp_c
, c
->core_temp_c
);
886 /* sum per-pkg values only for 1st core in pkg */
887 if (!(t
->flags
& CPU_IS_FIRST_CORE_IN_PACKAGE
))
890 if (do_skl_residency
) {
891 average
.packages
.pkg_wtd_core_c0
+= p
->pkg_wtd_core_c0
;
892 average
.packages
.pkg_any_core_c0
+= p
->pkg_any_core_c0
;
893 average
.packages
.pkg_any_gfxe_c0
+= p
->pkg_any_gfxe_c0
;
894 average
.packages
.pkg_both_core_gfxe_c0
+= p
->pkg_both_core_gfxe_c0
;
897 average
.packages
.pc2
+= p
->pc2
;
899 average
.packages
.pc3
+= p
->pc3
;
901 average
.packages
.pc6
+= p
->pc6
;
903 average
.packages
.pc7
+= p
->pc7
;
904 average
.packages
.pc8
+= p
->pc8
;
905 average
.packages
.pc9
+= p
->pc9
;
906 average
.packages
.pc10
+= p
->pc10
;
908 average
.packages
.energy_pkg
+= p
->energy_pkg
;
909 average
.packages
.energy_dram
+= p
->energy_dram
;
910 average
.packages
.energy_cores
+= p
->energy_cores
;
911 average
.packages
.energy_gfx
+= p
->energy_gfx
;
913 average
.packages
.pkg_temp_c
= MAX(average
.packages
.pkg_temp_c
, p
->pkg_temp_c
);
915 average
.packages
.rapl_pkg_perf_status
+= p
->rapl_pkg_perf_status
;
916 average
.packages
.rapl_dram_perf_status
+= p
->rapl_dram_perf_status
;
920 * sum the counters for all cpus in the system
921 * compute the weighted average
923 void compute_average(struct thread_data
*t
, struct core_data
*c
,
926 clear_counters(&average
.threads
, &average
.cores
, &average
.packages
);
928 for_all_cpus(sum_counters
, t
, c
, p
);
930 average
.threads
.tsc
/= topo
.num_cpus
;
931 average
.threads
.aperf
/= topo
.num_cpus
;
932 average
.threads
.mperf
/= topo
.num_cpus
;
933 average
.threads
.c1
/= topo
.num_cpus
;
935 average
.threads
.extra_delta32
/= topo
.num_cpus
;
936 average
.threads
.extra_delta32
&= 0xFFFFFFFF;
938 average
.threads
.extra_delta64
/= topo
.num_cpus
;
940 average
.cores
.c3
/= topo
.num_cores
;
941 average
.cores
.c6
/= topo
.num_cores
;
942 average
.cores
.c7
/= topo
.num_cores
;
944 if (do_skl_residency
) {
945 average
.packages
.pkg_wtd_core_c0
/= topo
.num_packages
;
946 average
.packages
.pkg_any_core_c0
/= topo
.num_packages
;
947 average
.packages
.pkg_any_gfxe_c0
/= topo
.num_packages
;
948 average
.packages
.pkg_both_core_gfxe_c0
/= topo
.num_packages
;
951 average
.packages
.pc2
/= topo
.num_packages
;
953 average
.packages
.pc3
/= topo
.num_packages
;
955 average
.packages
.pc6
/= topo
.num_packages
;
957 average
.packages
.pc7
/= topo
.num_packages
;
959 average
.packages
.pc8
/= topo
.num_packages
;
960 average
.packages
.pc9
/= topo
.num_packages
;
961 average
.packages
.pc10
/= topo
.num_packages
;
964 static unsigned long long rdtsc(void)
966 unsigned int low
, high
;
968 asm volatile("rdtsc" : "=a" (low
), "=d" (high
));
970 return low
| ((unsigned long long)high
) << 32;
977 * acquire and record local counters for that cpu
979 int get_counters(struct thread_data
*t
, struct core_data
*c
, struct pkg_data
*p
)
982 unsigned long long msr
;
984 if (cpu_migrate(cpu
)) {
985 fprintf(stderr
, "Could not migrate to CPU %d\n", cpu
);
989 t
->tsc
= rdtsc(); /* we are running on local CPU of interest */
992 if (get_msr(cpu
, MSR_IA32_APERF
, &t
->aperf
))
994 if (get_msr(cpu
, MSR_IA32_MPERF
, &t
->mperf
))
996 t
->aperf
= t
->aperf
* aperf_mperf_multiplier
;
997 t
->mperf
= t
->mperf
* aperf_mperf_multiplier
;
1001 if (get_msr(cpu
, MSR_SMI_COUNT
, &msr
))
1003 t
->smi_count
= msr
& 0xFFFFFFFF;
1005 if (extra_delta_offset32
) {
1006 if (get_msr(cpu
, extra_delta_offset32
, &msr
))
1008 t
->extra_delta32
= msr
& 0xFFFFFFFF;
1011 if (extra_delta_offset64
)
1012 if (get_msr(cpu
, extra_delta_offset64
, &t
->extra_delta64
))
1015 if (extra_msr_offset32
) {
1016 if (get_msr(cpu
, extra_msr_offset32
, &msr
))
1018 t
->extra_msr32
= msr
& 0xFFFFFFFF;
1021 if (extra_msr_offset64
)
1022 if (get_msr(cpu
, extra_msr_offset64
, &t
->extra_msr64
))
1025 if (use_c1_residency_msr
) {
1026 if (get_msr(cpu
, MSR_CORE_C1_RES
, &t
->c1
))
1030 /* collect core counters only for 1st thread in core */
1031 if (!(t
->flags
& CPU_IS_FIRST_THREAD_IN_CORE
))
1034 if (do_nhm_cstates
&& !do_slm_cstates
&& !do_knl_cstates
) {
1035 if (get_msr(cpu
, MSR_CORE_C3_RESIDENCY
, &c
->c3
))
1039 if (do_nhm_cstates
&& !do_knl_cstates
) {
1040 if (get_msr(cpu
, MSR_CORE_C6_RESIDENCY
, &c
->c6
))
1042 } else if (do_knl_cstates
) {
1043 if (get_msr(cpu
, MSR_KNL_CORE_C6_RESIDENCY
, &c
->c6
))
1048 if (get_msr(cpu
, MSR_CORE_C7_RESIDENCY
, &c
->c7
))
1052 if (get_msr(cpu
, MSR_IA32_THERM_STATUS
, &msr
))
1054 c
->core_temp_c
= tcc_activation_temp
- ((msr
>> 16) & 0x7F);
1058 /* collect package counters only for 1st core in package */
1059 if (!(t
->flags
& CPU_IS_FIRST_CORE_IN_PACKAGE
))
1062 if (do_skl_residency
) {
1063 if (get_msr(cpu
, MSR_PKG_WEIGHTED_CORE_C0_RES
, &p
->pkg_wtd_core_c0
))
1065 if (get_msr(cpu
, MSR_PKG_ANY_CORE_C0_RES
, &p
->pkg_any_core_c0
))
1067 if (get_msr(cpu
, MSR_PKG_ANY_GFXE_C0_RES
, &p
->pkg_any_gfxe_c0
))
1069 if (get_msr(cpu
, MSR_PKG_BOTH_CORE_GFXE_C0_RES
, &p
->pkg_both_core_gfxe_c0
))
1073 if (get_msr(cpu
, MSR_PKG_C3_RESIDENCY
, &p
->pc3
))
1076 if (get_msr(cpu
, MSR_PKG_C6_RESIDENCY
, &p
->pc6
))
1079 if (get_msr(cpu
, MSR_PKG_C2_RESIDENCY
, &p
->pc2
))
1082 if (get_msr(cpu
, MSR_PKG_C7_RESIDENCY
, &p
->pc7
))
1085 if (get_msr(cpu
, MSR_PKG_C8_RESIDENCY
, &p
->pc8
))
1087 if (get_msr(cpu
, MSR_PKG_C9_RESIDENCY
, &p
->pc9
))
1089 if (get_msr(cpu
, MSR_PKG_C10_RESIDENCY
, &p
->pc10
))
1092 if (do_rapl
& RAPL_PKG
) {
1093 if (get_msr(cpu
, MSR_PKG_ENERGY_STATUS
, &msr
))
1095 p
->energy_pkg
= msr
& 0xFFFFFFFF;
1097 if (do_rapl
& RAPL_CORES
) {
1098 if (get_msr(cpu
, MSR_PP0_ENERGY_STATUS
, &msr
))
1100 p
->energy_cores
= msr
& 0xFFFFFFFF;
1102 if (do_rapl
& RAPL_DRAM
) {
1103 if (get_msr(cpu
, MSR_DRAM_ENERGY_STATUS
, &msr
))
1105 p
->energy_dram
= msr
& 0xFFFFFFFF;
1107 if (do_rapl
& RAPL_GFX
) {
1108 if (get_msr(cpu
, MSR_PP1_ENERGY_STATUS
, &msr
))
1110 p
->energy_gfx
= msr
& 0xFFFFFFFF;
1112 if (do_rapl
& RAPL_PKG_PERF_STATUS
) {
1113 if (get_msr(cpu
, MSR_PKG_PERF_STATUS
, &msr
))
1115 p
->rapl_pkg_perf_status
= msr
& 0xFFFFFFFF;
1117 if (do_rapl
& RAPL_DRAM_PERF_STATUS
) {
1118 if (get_msr(cpu
, MSR_DRAM_PERF_STATUS
, &msr
))
1120 p
->rapl_dram_perf_status
= msr
& 0xFFFFFFFF;
1123 if (get_msr(cpu
, MSR_IA32_PACKAGE_THERM_STATUS
, &msr
))
1125 p
->pkg_temp_c
= tcc_activation_temp
- ((msr
>> 16) & 0x7F);
1131 * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit:
1132 * If you change the values, note they are used both in comparisons
1133 * (>= PCL__7) and to index pkg_cstate_limit_strings[].
1136 #define PCLUKN 0 /* Unknown */
1137 #define PCLRSV 1 /* Reserved */
1138 #define PCL__0 2 /* PC0 */
1139 #define PCL__1 3 /* PC1 */
1140 #define PCL__2 4 /* PC2 */
1141 #define PCL__3 5 /* PC3 */
1142 #define PCL__4 6 /* PC4 */
1143 #define PCL__6 7 /* PC6 */
1144 #define PCL_6N 8 /* PC6 No Retention */
1145 #define PCL_6R 9 /* PC6 Retention */
1146 #define PCL__7 10 /* PC7 */
1147 #define PCL_7S 11 /* PC7 Shrink */
1148 #define PCL__8 12 /* PC8 */
1149 #define PCL__9 13 /* PC9 */
1150 #define PCLUNL 14 /* Unlimited */
1152 int pkg_cstate_limit
= PCLUKN
;
1153 char *pkg_cstate_limit_strings
[] = { "reserved", "unknown", "pc0", "pc1", "pc2",
1154 "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "unlimited"};
1156 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
};
1157 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
};
1158 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
};
1159 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
};
1160 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
};
1161 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
};
1165 calculate_tsc_tweak()
1167 tsc_tweak
= base_hz
/ tsc_hz
;
1171 dump_nhm_platform_info(void)
1173 unsigned long long msr
;
1176 get_msr(base_cpu
, MSR_PLATFORM_INFO
, &msr
);
1178 fprintf(stderr
, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu
, msr
);
1180 ratio
= (msr
>> 40) & 0xFF;
1181 fprintf(stderr
, "%d * %.0f = %.0f MHz max efficiency frequency\n",
1182 ratio
, bclk
, ratio
* bclk
);
1184 ratio
= (msr
>> 8) & 0xFF;
1185 fprintf(stderr
, "%d * %.0f = %.0f MHz base frequency\n",
1186 ratio
, bclk
, ratio
* bclk
);
1188 get_msr(base_cpu
, MSR_IA32_POWER_CTL
, &msr
);
1189 fprintf(stderr
, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n",
1190 base_cpu
, msr
, msr
& 0x2 ? "EN" : "DIS");
1196 dump_hsw_turbo_ratio_limits(void)
1198 unsigned long long msr
;
1201 get_msr(base_cpu
, MSR_TURBO_RATIO_LIMIT2
, &msr
);
1203 fprintf(stderr
, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu
, msr
);
1205 ratio
= (msr
>> 8) & 0xFF;
1207 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 18 active cores\n",
1208 ratio
, bclk
, ratio
* bclk
);
1210 ratio
= (msr
>> 0) & 0xFF;
1212 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 17 active cores\n",
1213 ratio
, bclk
, ratio
* bclk
);
1218 dump_ivt_turbo_ratio_limits(void)
1220 unsigned long long msr
;
1223 get_msr(base_cpu
, MSR_TURBO_RATIO_LIMIT1
, &msr
);
1225 fprintf(stderr
, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu
, msr
);
1227 ratio
= (msr
>> 56) & 0xFF;
1229 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 16 active cores\n",
1230 ratio
, bclk
, ratio
* bclk
);
1232 ratio
= (msr
>> 48) & 0xFF;
1234 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 15 active cores\n",
1235 ratio
, bclk
, ratio
* bclk
);
1237 ratio
= (msr
>> 40) & 0xFF;
1239 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 14 active cores\n",
1240 ratio
, bclk
, ratio
* bclk
);
1242 ratio
= (msr
>> 32) & 0xFF;
1244 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 13 active cores\n",
1245 ratio
, bclk
, ratio
* bclk
);
1247 ratio
= (msr
>> 24) & 0xFF;
1249 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 12 active cores\n",
1250 ratio
, bclk
, ratio
* bclk
);
1252 ratio
= (msr
>> 16) & 0xFF;
1254 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 11 active cores\n",
1255 ratio
, bclk
, ratio
* bclk
);
1257 ratio
= (msr
>> 8) & 0xFF;
1259 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 10 active cores\n",
1260 ratio
, bclk
, ratio
* bclk
);
1262 ratio
= (msr
>> 0) & 0xFF;
1264 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 9 active cores\n",
1265 ratio
, bclk
, ratio
* bclk
);
1270 dump_nhm_turbo_ratio_limits(void)
1272 unsigned long long msr
;
1275 get_msr(base_cpu
, MSR_TURBO_RATIO_LIMIT
, &msr
);
1277 fprintf(stderr
, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu
, msr
);
1279 ratio
= (msr
>> 56) & 0xFF;
1281 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 8 active cores\n",
1282 ratio
, bclk
, ratio
* bclk
);
1284 ratio
= (msr
>> 48) & 0xFF;
1286 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 7 active cores\n",
1287 ratio
, bclk
, ratio
* bclk
);
1289 ratio
= (msr
>> 40) & 0xFF;
1291 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 6 active cores\n",
1292 ratio
, bclk
, ratio
* bclk
);
1294 ratio
= (msr
>> 32) & 0xFF;
1296 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 5 active cores\n",
1297 ratio
, bclk
, ratio
* bclk
);
1299 ratio
= (msr
>> 24) & 0xFF;
1301 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 4 active cores\n",
1302 ratio
, bclk
, ratio
* bclk
);
1304 ratio
= (msr
>> 16) & 0xFF;
1306 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 3 active cores\n",
1307 ratio
, bclk
, ratio
* bclk
);
1309 ratio
= (msr
>> 8) & 0xFF;
1311 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 2 active cores\n",
1312 ratio
, bclk
, ratio
* bclk
);
1314 ratio
= (msr
>> 0) & 0xFF;
1316 fprintf(stderr
, "%d * %.0f = %.0f MHz max turbo 1 active cores\n",
1317 ratio
, bclk
, ratio
* bclk
);
1322 dump_knl_turbo_ratio_limits(void)
1326 unsigned long long msr
;
1331 get_msr(base_cpu
, MSR_NHM_TURBO_RATIO_LIMIT
, &msr
);
1333 fprintf(stderr
, "cpu%d: MSR_NHM_TURBO_RATIO_LIMIT: 0x%08llx\n",
1337 * Turbo encoding in KNL is as follows:
1338 * [7:0] -- Base value of number of active cores of bucket 1.
1339 * [15:8] -- Base value of freq ratio of bucket 1.
1340 * [20:16] -- +ve delta of number of active cores of bucket 2.
1341 * i.e. active cores of bucket 2 =
1342 * active cores of bucket 1 + delta
1343 * [23:21] -- Negative delta of freq ratio of bucket 2.
1344 * i.e. freq ratio of bucket 2 =
1345 * freq ratio of bucket 1 - delta
1346 * [28:24]-- +ve delta of number of active cores of bucket 3.
1347 * [31:29]-- -ve delta of freq ratio of bucket 3.
1348 * [36:32]-- +ve delta of number of active cores of bucket 4.
1349 * [39:37]-- -ve delta of freq ratio of bucket 4.
1350 * [44:40]-- +ve delta of number of active cores of bucket 5.
1351 * [47:45]-- -ve delta of freq ratio of bucket 5.
1352 * [52:48]-- +ve delta of number of active cores of bucket 6.
1353 * [55:53]-- -ve delta of freq ratio of bucket 6.
1354 * [60:56]-- +ve delta of number of active cores of bucket 7.
1355 * [63:61]-- -ve delta of freq ratio of bucket 7.
1358 ratio
= (msr
>> 8) && 0xFF;
1361 "%d * %.0f = %.0f MHz max turbo %d active cores\n",
1362 ratio
, bclk
, ratio
* bclk
, cores
);
1364 for (i
= 16; i
< 64; i
= i
+ 8) {
1365 delta_cores
= (msr
>> i
) & 0x1F;
1366 delta_ratio
= (msr
>> (i
+ 5)) && 0x7;
1367 if (!delta_cores
|| !delta_ratio
)
1369 cores
= cores
+ delta_cores
;
1370 ratio
= ratio
- delta_ratio
;
1372 /** -ve ratios will make successive ratio calculations
1373 * negative. Hence return instead of carrying on.
1377 "%d * %.0f = %.0f MHz max turbo %d active cores\n",
1378 ratio
, bclk
, ratio
* bclk
, cores
);
1383 dump_nhm_cst_cfg(void)
1385 unsigned long long msr
;
1387 get_msr(base_cpu
, MSR_NHM_SNB_PKG_CST_CFG_CTL
, &msr
);
1389 #define SNB_C1_AUTO_UNDEMOTE (1UL << 27)
1390 #define SNB_C3_AUTO_UNDEMOTE (1UL << 28)
1392 fprintf(stderr
, "cpu%d: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", base_cpu
, msr
);
1394 fprintf(stderr
, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n",
1395 (msr
& SNB_C3_AUTO_UNDEMOTE
) ? "UNdemote-C3, " : "",
1396 (msr
& SNB_C1_AUTO_UNDEMOTE
) ? "UNdemote-C1, " : "",
1397 (msr
& NHM_C3_AUTO_DEMOTE
) ? "demote-C3, " : "",
1398 (msr
& NHM_C1_AUTO_DEMOTE
) ? "demote-C1, " : "",
1399 (msr
& (1 << 15)) ? "" : "UN",
1400 (unsigned int)msr
& 7,
1401 pkg_cstate_limit_strings
[pkg_cstate_limit
]);
1406 dump_config_tdp(void)
1408 unsigned long long msr
;
1410 get_msr(base_cpu
, MSR_CONFIG_TDP_NOMINAL
, &msr
);
1411 fprintf(stderr
, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu
, msr
);
1412 fprintf(stderr
, " (base_ratio=%d)\n", (unsigned int)msr
& 0xEF);
1414 get_msr(base_cpu
, MSR_CONFIG_TDP_LEVEL_1
, &msr
);
1415 fprintf(stderr
, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu
, msr
);
1417 fprintf(stderr
, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr
>> 48) & 0xEFFF);
1418 fprintf(stderr
, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr
>> 32) & 0xEFFF);
1419 fprintf(stderr
, "LVL1_RATIO=%d ", (unsigned int)(msr
>> 16) & 0xEF);
1420 fprintf(stderr
, "PKG_TDP_LVL1=%d", (unsigned int)(msr
) & 0xEFFF);
1422 fprintf(stderr
, ")\n");
1424 get_msr(base_cpu
, MSR_CONFIG_TDP_LEVEL_2
, &msr
);
1425 fprintf(stderr
, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu
, msr
);
1427 fprintf(stderr
, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr
>> 48) & 0xEFFF);
1428 fprintf(stderr
, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr
>> 32) & 0xEFFF);
1429 fprintf(stderr
, "LVL2_RATIO=%d ", (unsigned int)(msr
>> 16) & 0xEF);
1430 fprintf(stderr
, "PKG_TDP_LVL2=%d", (unsigned int)(msr
) & 0xEFFF);
1432 fprintf(stderr
, ")\n");
1434 get_msr(base_cpu
, MSR_CONFIG_TDP_CONTROL
, &msr
);
1435 fprintf(stderr
, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu
, msr
);
1437 fprintf(stderr
, "TDP_LEVEL=%d ", (unsigned int)(msr
) & 0x3);
1438 fprintf(stderr
, " lock=%d", (unsigned int)(msr
>> 31) & 1);
1439 fprintf(stderr
, ")\n");
1441 get_msr(base_cpu
, MSR_TURBO_ACTIVATION_RATIO
, &msr
);
1442 fprintf(stderr
, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu
, msr
);
1443 fprintf(stderr
, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr
) & 0x7F);
1444 fprintf(stderr
, " lock=%d", (unsigned int)(msr
>> 31) & 1);
1445 fprintf(stderr
, ")\n");
1448 void free_all_buffers(void)
1450 CPU_FREE(cpu_present_set
);
1451 cpu_present_set
= NULL
;
1452 cpu_present_set
= 0;
1454 CPU_FREE(cpu_affinity_set
);
1455 cpu_affinity_set
= NULL
;
1456 cpu_affinity_setsize
= 0;
1464 package_even
= NULL
;
1474 free(output_buffer
);
1475 output_buffer
= NULL
;
1480 * Open a file, and exit on failure
1482 FILE *fopen_or_die(const char *path
, const char *mode
)
1484 FILE *filep
= fopen(path
, "r");
1486 err(1, "%s: open failed", path
);
1491 * Parse a file containing a single int.
1493 int parse_int_file(const char *fmt
, ...)
1496 char path
[PATH_MAX
];
1500 va_start(args
, fmt
);
1501 vsnprintf(path
, sizeof(path
), fmt
, args
);
1503 filep
= fopen_or_die(path
, "r");
1504 if (fscanf(filep
, "%d", &value
) != 1)
1505 err(1, "%s: failed to parse number from file", path
);
1511 * get_cpu_position_in_core(cpu)
1512 * return the position of the CPU among its HT siblings in the core
1513 * return -1 if the sibling is not in list
1515 int get_cpu_position_in_core(int cpu
)
1524 "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list",
1526 filep
= fopen(path
, "r");
1527 if (filep
== NULL
) {
1532 for (i
= 0; i
< topo
.num_threads_per_core
; i
++) {
1533 fscanf(filep
, "%d", &this_cpu
);
1534 if (this_cpu
== cpu
) {
1539 /* Account for no separator after last thread*/
1540 if (i
!= (topo
.num_threads_per_core
- 1))
1541 fscanf(filep
, "%c", &character
);
1549 * cpu_is_first_core_in_package(cpu)
1550 * return 1 if given CPU is 1st core in package
1552 int cpu_is_first_core_in_package(int cpu
)
1554 return cpu
== parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu
);
1557 int get_physical_package_id(int cpu
)
1559 return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu
);
1562 int get_core_id(int cpu
)
1564 return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu
);
1567 int get_num_ht_siblings(int cpu
)
1577 sprintf(path
, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu
);
1578 filep
= fopen_or_die(path
, "r");
1582 * A ',' separated or '-' separated set of numbers
1583 * (eg 1-2 or 1,3,4,5)
1585 fscanf(filep
, "%d%c\n", &sib1
, &character
);
1586 fseek(filep
, 0, SEEK_SET
);
1587 fgets(str
, 100, filep
);
1588 ch
= strchr(str
, character
);
1589 while (ch
!= NULL
) {
1591 ch
= strchr(ch
+1, character
);
1599 * run func(thread, core, package) in topology order
1600 * skip non-present cpus
1603 int for_all_cpus_2(int (func
)(struct thread_data
*, struct core_data
*,
1604 struct pkg_data
*, struct thread_data
*, struct core_data
*,
1605 struct pkg_data
*), struct thread_data
*thread_base
,
1606 struct core_data
*core_base
, struct pkg_data
*pkg_base
,
1607 struct thread_data
*thread_base2
, struct core_data
*core_base2
,
1608 struct pkg_data
*pkg_base2
)
1610 int retval
, pkg_no
, core_no
, thread_no
;
1612 for (pkg_no
= 0; pkg_no
< topo
.num_packages
; ++pkg_no
) {
1613 for (core_no
= 0; core_no
< topo
.num_cores_per_pkg
; ++core_no
) {
1614 for (thread_no
= 0; thread_no
<
1615 topo
.num_threads_per_core
; ++thread_no
) {
1616 struct thread_data
*t
, *t2
;
1617 struct core_data
*c
, *c2
;
1618 struct pkg_data
*p
, *p2
;
1620 t
= GET_THREAD(thread_base
, thread_no
, core_no
, pkg_no
);
1622 if (cpu_is_not_present(t
->cpu_id
))
1625 t2
= GET_THREAD(thread_base2
, thread_no
, core_no
, pkg_no
);
1627 c
= GET_CORE(core_base
, core_no
, pkg_no
);
1628 c2
= GET_CORE(core_base2
, core_no
, pkg_no
);
1630 p
= GET_PKG(pkg_base
, pkg_no
);
1631 p2
= GET_PKG(pkg_base2
, pkg_no
);
1633 retval
= func(t
, c
, p
, t2
, c2
, p2
);
1643 * run func(cpu) on every cpu in /proc/stat
1644 * return max_cpu number
1646 int for_all_proc_cpus(int (func
)(int))
1652 fp
= fopen_or_die(proc_stat
, "r");
1654 retval
= fscanf(fp
, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
1656 err(1, "%s: failed to parse format", proc_stat
);
1659 retval
= fscanf(fp
, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num
);
1663 retval
= func(cpu_num
);
1673 void re_initialize(void)
1676 setup_all_buffers();
1677 printf("turbostat: re-initialized with num_cpus %d\n", topo
.num_cpus
);
1683 * remember the last one seen, it will be the max
1685 int count_cpus(int cpu
)
1687 if (topo
.max_cpu_num
< cpu
)
1688 topo
.max_cpu_num
= cpu
;
1693 int mark_cpu_present(int cpu
)
1695 CPU_SET_S(cpu
, cpu_present_setsize
, cpu_present_set
);
1699 void turbostat_loop()
1707 retval
= for_all_cpus(get_counters
, EVEN_COUNTERS
);
1710 } else if (retval
== -1) {
1711 if (restarted
> 1) {
1718 gettimeofday(&tv_even
, (struct timezone
*)NULL
);
1721 if (for_all_proc_cpus(cpu_is_not_present
)) {
1725 sleep(interval_sec
);
1726 retval
= for_all_cpus(get_counters
, ODD_COUNTERS
);
1729 } else if (retval
== -1) {
1733 gettimeofday(&tv_odd
, (struct timezone
*)NULL
);
1734 timersub(&tv_odd
, &tv_even
, &tv_delta
);
1735 for_all_cpus_2(delta_cpu
, ODD_COUNTERS
, EVEN_COUNTERS
);
1736 compute_average(EVEN_COUNTERS
);
1737 format_all_counters(EVEN_COUNTERS
);
1739 sleep(interval_sec
);
1740 retval
= for_all_cpus(get_counters
, EVEN_COUNTERS
);
1743 } else if (retval
== -1) {
1747 gettimeofday(&tv_even
, (struct timezone
*)NULL
);
1748 timersub(&tv_even
, &tv_odd
, &tv_delta
);
1749 for_all_cpus_2(delta_cpu
, EVEN_COUNTERS
, ODD_COUNTERS
);
1750 compute_average(ODD_COUNTERS
);
1751 format_all_counters(ODD_COUNTERS
);
1756 void check_dev_msr()
1761 sprintf(pathname
, "/dev/cpu/%d/msr", base_cpu
);
1762 if (stat(pathname
, &sb
))
1763 if (system("/sbin/modprobe msr > /dev/null 2>&1"))
1764 err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" ");
1767 void check_permissions()
1769 struct __user_cap_header_struct cap_header_data
;
1770 cap_user_header_t cap_header
= &cap_header_data
;
1771 struct __user_cap_data_struct cap_data_data
;
1772 cap_user_data_t cap_data
= &cap_data_data
;
1773 extern int capget(cap_user_header_t hdrp
, cap_user_data_t datap
);
1777 /* check for CAP_SYS_RAWIO */
1778 cap_header
->pid
= getpid();
1779 cap_header
->version
= _LINUX_CAPABILITY_VERSION
;
1780 if (capget(cap_header
, cap_data
) < 0)
1781 err(-6, "capget(2) failed");
1783 if ((cap_data
->effective
& (1 << CAP_SYS_RAWIO
)) == 0) {
1785 warnx("capget(CAP_SYS_RAWIO) failed,"
1786 " try \"# setcap cap_sys_rawio=ep %s\"", progname
);
1789 /* test file permissions */
1790 sprintf(pathname
, "/dev/cpu/%d/msr", base_cpu
);
1791 if (euidaccess(pathname
, R_OK
)) {
1793 warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr");
1796 /* if all else fails, thell them to be root */
1799 warnx("... or simply run as root");
1806 * NHM adds support for additional MSRs:
1808 * MSR_SMI_COUNT 0x00000034
1810 * MSR_PLATFORM_INFO 0x000000ce
1811 * MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2
1813 * MSR_PKG_C3_RESIDENCY 0x000003f8
1814 * MSR_PKG_C6_RESIDENCY 0x000003f9
1815 * MSR_CORE_C3_RESIDENCY 0x000003fc
1816 * MSR_CORE_C6_RESIDENCY 0x000003fd
1819 * sets global pkg_cstate_limit to decode MSR_NHM_SNB_PKG_CST_CFG_CTL
1821 int probe_nhm_msrs(unsigned int family
, unsigned int model
)
1823 unsigned long long msr
;
1824 unsigned int base_ratio
;
1825 int *pkg_cstate_limits
;
1833 bclk
= discover_bclk(family
, model
);
1836 case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */
1837 case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */
1838 case 0x1F: /* Core i7 and i5 Processor - Nehalem */
1839 case 0x25: /* Westmere Client - Clarkdale, Arrandale */
1840 case 0x2C: /* Westmere EP - Gulftown */
1841 case 0x2E: /* Nehalem-EX Xeon - Beckton */
1842 case 0x2F: /* Westmere-EX Xeon - Eagleton */
1843 pkg_cstate_limits
= nhm_pkg_cstate_limits
;
1845 case 0x2A: /* SNB */
1846 case 0x2D: /* SNB Xeon */
1847 case 0x3A: /* IVB */
1848 case 0x3E: /* IVB Xeon */
1849 pkg_cstate_limits
= snb_pkg_cstate_limits
;
1851 case 0x3C: /* HSW */
1852 case 0x3F: /* HSX */
1853 case 0x45: /* HSW */
1854 case 0x46: /* HSW */
1855 case 0x3D: /* BDW */
1856 case 0x47: /* BDW */
1857 case 0x4F: /* BDX */
1858 case 0x56: /* BDX-DE */
1859 case 0x4E: /* SKL */
1860 case 0x5E: /* SKL */
1861 pkg_cstate_limits
= hsw_pkg_cstate_limits
;
1863 case 0x37: /* BYT */
1864 case 0x4D: /* AVN */
1865 pkg_cstate_limits
= slv_pkg_cstate_limits
;
1867 case 0x4C: /* AMT */
1868 pkg_cstate_limits
= amt_pkg_cstate_limits
;
1870 case 0x57: /* PHI */
1871 pkg_cstate_limits
= phi_pkg_cstate_limits
;
1876 get_msr(base_cpu
, MSR_NHM_SNB_PKG_CST_CFG_CTL
, &msr
);
1877 pkg_cstate_limit
= pkg_cstate_limits
[msr
& 0xF];
1879 get_msr(base_cpu
, MSR_PLATFORM_INFO
, &msr
);
1880 base_ratio
= (msr
>> 8) & 0xFF;
1882 base_hz
= base_ratio
* bclk
* 1000000;
1886 int has_nhm_turbo_ratio_limit(unsigned int family
, unsigned int model
)
1889 /* Nehalem compatible, but do not include turbo-ratio limit support */
1890 case 0x2E: /* Nehalem-EX Xeon - Beckton */
1891 case 0x2F: /* Westmere-EX Xeon - Eagleton */
1897 int has_ivt_turbo_ratio_limit(unsigned int family
, unsigned int model
)
1906 case 0x3E: /* IVB Xeon */
1907 case 0x3F: /* HSW Xeon */
1913 int has_hsw_turbo_ratio_limit(unsigned int family
, unsigned int model
)
1922 case 0x3F: /* HSW Xeon */
1929 int has_knl_turbo_ratio_limit(unsigned int family
, unsigned int model
)
1938 case 0x57: /* Knights Landing */
1944 int has_config_tdp(unsigned int family
, unsigned int model
)
1953 case 0x3A: /* IVB */
1954 case 0x3C: /* HSW */
1955 case 0x3F: /* HSX */
1956 case 0x45: /* HSW */
1957 case 0x46: /* HSW */
1958 case 0x3D: /* BDW */
1959 case 0x47: /* BDW */
1960 case 0x4F: /* BDX */
1961 case 0x56: /* BDX-DE */
1962 case 0x4E: /* SKL */
1963 case 0x5E: /* SKL */
1965 case 0x57: /* Knights Landing */
1973 dump_cstate_pstate_config_info(unsigned int family
, unsigned int model
)
1975 if (!do_nhm_platform_info
)
1978 dump_nhm_platform_info();
1980 if (has_hsw_turbo_ratio_limit(family
, model
))
1981 dump_hsw_turbo_ratio_limits();
1983 if (has_ivt_turbo_ratio_limit(family
, model
))
1984 dump_ivt_turbo_ratio_limits();
1986 if (has_nhm_turbo_ratio_limit(family
, model
))
1987 dump_nhm_turbo_ratio_limits();
1989 if (has_knl_turbo_ratio_limit(family
, model
))
1990 dump_knl_turbo_ratio_limits();
1992 if (has_config_tdp(family
, model
))
2001 * Decode the ENERGY_PERF_BIAS MSR
2003 int print_epb(struct thread_data
*t
, struct core_data
*c
, struct pkg_data
*p
)
2005 unsigned long long msr
;
2014 /* EPB is per-package */
2015 if (!(t
->flags
& CPU_IS_FIRST_THREAD_IN_CORE
) || !(t
->flags
& CPU_IS_FIRST_CORE_IN_PACKAGE
))
2018 if (cpu_migrate(cpu
)) {
2019 fprintf(stderr
, "Could not migrate to CPU %d\n", cpu
);
2023 if (get_msr(cpu
, MSR_IA32_ENERGY_PERF_BIAS
, &msr
))
2026 switch (msr
& 0xF) {
2027 case ENERGY_PERF_BIAS_PERFORMANCE
:
2028 epb_string
= "performance";
2030 case ENERGY_PERF_BIAS_NORMAL
:
2031 epb_string
= "balanced";
2033 case ENERGY_PERF_BIAS_POWERSAVE
:
2034 epb_string
= "powersave";
2037 epb_string
= "custom";
2040 fprintf(stderr
, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu
, msr
, epb_string
);
2046 * print_perf_limit()
2048 int print_perf_limit(struct thread_data
*t
, struct core_data
*c
, struct pkg_data
*p
)
2050 unsigned long long msr
;
2056 if (!(t
->flags
& CPU_IS_FIRST_THREAD_IN_CORE
) || !(t
->flags
& CPU_IS_FIRST_CORE_IN_PACKAGE
))
2059 if (cpu_migrate(cpu
)) {
2060 fprintf(stderr
, "Could not migrate to CPU %d\n", cpu
);
2064 if (do_core_perf_limit_reasons
) {
2065 get_msr(cpu
, MSR_CORE_PERF_LIMIT_REASONS
, &msr
);
2066 fprintf(stderr
, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu
, msr
);
2067 fprintf(stderr
, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)",
2068 (msr
& 1 << 15) ? "bit15, " : "",
2069 (msr
& 1 << 14) ? "bit14, " : "",
2070 (msr
& 1 << 13) ? "Transitions, " : "",
2071 (msr
& 1 << 12) ? "MultiCoreTurbo, " : "",
2072 (msr
& 1 << 11) ? "PkgPwrL2, " : "",
2073 (msr
& 1 << 10) ? "PkgPwrL1, " : "",
2074 (msr
& 1 << 9) ? "CorePwr, " : "",
2075 (msr
& 1 << 8) ? "Amps, " : "",
2076 (msr
& 1 << 6) ? "VR-Therm, " : "",
2077 (msr
& 1 << 5) ? "Auto-HWP, " : "",
2078 (msr
& 1 << 4) ? "Graphics, " : "",
2079 (msr
& 1 << 2) ? "bit2, " : "",
2080 (msr
& 1 << 1) ? "ThermStatus, " : "",
2081 (msr
& 1 << 0) ? "PROCHOT, " : "");
2082 fprintf(stderr
, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n",
2083 (msr
& 1 << 31) ? "bit31, " : "",
2084 (msr
& 1 << 30) ? "bit30, " : "",
2085 (msr
& 1 << 29) ? "Transitions, " : "",
2086 (msr
& 1 << 28) ? "MultiCoreTurbo, " : "",
2087 (msr
& 1 << 27) ? "PkgPwrL2, " : "",
2088 (msr
& 1 << 26) ? "PkgPwrL1, " : "",
2089 (msr
& 1 << 25) ? "CorePwr, " : "",
2090 (msr
& 1 << 24) ? "Amps, " : "",
2091 (msr
& 1 << 22) ? "VR-Therm, " : "",
2092 (msr
& 1 << 21) ? "Auto-HWP, " : "",
2093 (msr
& 1 << 20) ? "Graphics, " : "",
2094 (msr
& 1 << 18) ? "bit18, " : "",
2095 (msr
& 1 << 17) ? "ThermStatus, " : "",
2096 (msr
& 1 << 16) ? "PROCHOT, " : "");
2099 if (do_gfx_perf_limit_reasons
) {
2100 get_msr(cpu
, MSR_GFX_PERF_LIMIT_REASONS
, &msr
);
2101 fprintf(stderr
, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu
, msr
);
2102 fprintf(stderr
, " (Active: %s%s%s%s%s%s%s%s)",
2103 (msr
& 1 << 0) ? "PROCHOT, " : "",
2104 (msr
& 1 << 1) ? "ThermStatus, " : "",
2105 (msr
& 1 << 4) ? "Graphics, " : "",
2106 (msr
& 1 << 6) ? "VR-Therm, " : "",
2107 (msr
& 1 << 8) ? "Amps, " : "",
2108 (msr
& 1 << 9) ? "GFXPwr, " : "",
2109 (msr
& 1 << 10) ? "PkgPwrL1, " : "",
2110 (msr
& 1 << 11) ? "PkgPwrL2, " : "");
2111 fprintf(stderr
, " (Logged: %s%s%s%s%s%s%s%s)\n",
2112 (msr
& 1 << 16) ? "PROCHOT, " : "",
2113 (msr
& 1 << 17) ? "ThermStatus, " : "",
2114 (msr
& 1 << 20) ? "Graphics, " : "",
2115 (msr
& 1 << 22) ? "VR-Therm, " : "",
2116 (msr
& 1 << 24) ? "Amps, " : "",
2117 (msr
& 1 << 25) ? "GFXPwr, " : "",
2118 (msr
& 1 << 26) ? "PkgPwrL1, " : "",
2119 (msr
& 1 << 27) ? "PkgPwrL2, " : "");
2121 if (do_ring_perf_limit_reasons
) {
2122 get_msr(cpu
, MSR_RING_PERF_LIMIT_REASONS
, &msr
);
2123 fprintf(stderr
, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu
, msr
);
2124 fprintf(stderr
, " (Active: %s%s%s%s%s%s)",
2125 (msr
& 1 << 0) ? "PROCHOT, " : "",
2126 (msr
& 1 << 1) ? "ThermStatus, " : "",
2127 (msr
& 1 << 6) ? "VR-Therm, " : "",
2128 (msr
& 1 << 8) ? "Amps, " : "",
2129 (msr
& 1 << 10) ? "PkgPwrL1, " : "",
2130 (msr
& 1 << 11) ? "PkgPwrL2, " : "");
2131 fprintf(stderr
, " (Logged: %s%s%s%s%s%s)\n",
2132 (msr
& 1 << 16) ? "PROCHOT, " : "",
2133 (msr
& 1 << 17) ? "ThermStatus, " : "",
2134 (msr
& 1 << 22) ? "VR-Therm, " : "",
2135 (msr
& 1 << 24) ? "Amps, " : "",
2136 (msr
& 1 << 26) ? "PkgPwrL1, " : "",
2137 (msr
& 1 << 27) ? "PkgPwrL2, " : "");
2142 #define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */
2143 #define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */
2145 double get_tdp(unsigned int model
)
2147 unsigned long long msr
;
2149 if (do_rapl
& RAPL_PKG_POWER_INFO
)
2150 if (!get_msr(base_cpu
, MSR_PKG_POWER_INFO
, &msr
))
2151 return ((msr
>> 0) & RAPL_POWER_GRANULARITY
) * rapl_power_units
;
2163 * rapl_dram_energy_units_probe()
2164 * Energy units are either hard-coded, or come from RAPL Energy Unit MSR.
2167 rapl_dram_energy_units_probe(int model
, double rapl_energy_units
)
2169 /* only called for genuine_intel, family 6 */
2172 case 0x3F: /* HSX */
2173 case 0x4F: /* BDX */
2174 case 0x56: /* BDX-DE */
2175 case 0x57: /* KNL */
2176 return (rapl_dram_energy_units
= 15.3 / 1000000);
2178 return (rapl_energy_units
);
2186 * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units
2188 void rapl_probe(unsigned int family
, unsigned int model
)
2190 unsigned long long msr
;
2191 unsigned int time_unit
;
2203 case 0x3C: /* HSW */
2204 case 0x45: /* HSW */
2205 case 0x46: /* HSW */
2206 case 0x3D: /* BDW */
2207 case 0x47: /* BDW */
2208 do_rapl
= RAPL_PKG
| RAPL_CORES
| RAPL_CORE_POLICY
| RAPL_GFX
| RAPL_PKG_POWER_INFO
;
2210 case 0x4E: /* SKL */
2211 case 0x5E: /* SKL */
2212 do_rapl
= RAPL_PKG
| RAPL_DRAM
| RAPL_DRAM_PERF_STATUS
| RAPL_PKG_PERF_STATUS
| RAPL_PKG_POWER_INFO
;
2214 case 0x3F: /* HSX */
2215 case 0x4F: /* BDX */
2216 case 0x56: /* BDX-DE */
2217 case 0x57: /* KNL */
2218 do_rapl
= RAPL_PKG
| RAPL_DRAM
| RAPL_DRAM_POWER_INFO
| RAPL_DRAM_PERF_STATUS
| RAPL_PKG_PERF_STATUS
| RAPL_PKG_POWER_INFO
;
2222 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
;
2224 case 0x37: /* BYT */
2225 case 0x4D: /* AVN */
2226 do_rapl
= RAPL_PKG
| RAPL_CORES
;
2232 /* units on package 0, verify later other packages match */
2233 if (get_msr(base_cpu
, MSR_RAPL_POWER_UNIT
, &msr
))
2236 rapl_power_units
= 1.0 / (1 << (msr
& 0xF));
2238 rapl_energy_units
= 1.0 * (1 << (msr
>> 8 & 0x1F)) / 1000000;
2240 rapl_energy_units
= 1.0 / (1 << (msr
>> 8 & 0x1F));
2242 rapl_dram_energy_units
= rapl_dram_energy_units_probe(model
, rapl_energy_units
);
2244 time_unit
= msr
>> 16 & 0xF;
2248 rapl_time_units
= 1.0 / (1 << (time_unit
));
2250 tdp
= get_tdp(model
);
2252 rapl_joule_counter_range
= 0xFFFFFFFF * rapl_energy_units
/ tdp
;
2254 fprintf(stderr
, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range
, tdp
);
2259 void perf_limit_reasons_probe(unsigned int family
, unsigned int model
)
2268 case 0x3C: /* HSW */
2269 case 0x45: /* HSW */
2270 case 0x46: /* HSW */
2271 do_gfx_perf_limit_reasons
= 1;
2272 case 0x3F: /* HSX */
2273 do_core_perf_limit_reasons
= 1;
2274 do_ring_perf_limit_reasons
= 1;
2280 int print_thermal(struct thread_data
*t
, struct core_data
*c
, struct pkg_data
*p
)
2282 unsigned long long msr
;
2286 if (!(do_dts
|| do_ptm
))
2291 /* DTS is per-core, no need to print for each thread */
2292 if (!(t
->flags
& CPU_IS_FIRST_THREAD_IN_CORE
))
2295 if (cpu_migrate(cpu
)) {
2296 fprintf(stderr
, "Could not migrate to CPU %d\n", cpu
);
2300 if (do_ptm
&& (t
->flags
& CPU_IS_FIRST_CORE_IN_PACKAGE
)) {
2301 if (get_msr(cpu
, MSR_IA32_PACKAGE_THERM_STATUS
, &msr
))
2304 dts
= (msr
>> 16) & 0x7F;
2305 fprintf(stderr
, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n",
2306 cpu
, msr
, tcc_activation_temp
- dts
);
2309 if (get_msr(cpu
, MSR_IA32_PACKAGE_THERM_INTERRUPT
, &msr
))
2312 dts
= (msr
>> 16) & 0x7F;
2313 dts2
= (msr
>> 8) & 0x7F;
2314 fprintf(stderr
, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
2315 cpu
, msr
, tcc_activation_temp
- dts
, tcc_activation_temp
- dts2
);
2321 unsigned int resolution
;
2323 if (get_msr(cpu
, MSR_IA32_THERM_STATUS
, &msr
))
2326 dts
= (msr
>> 16) & 0x7F;
2327 resolution
= (msr
>> 27) & 0xF;
2328 fprintf(stderr
, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n",
2329 cpu
, msr
, tcc_activation_temp
- dts
, resolution
);
2332 if (get_msr(cpu
, MSR_IA32_THERM_INTERRUPT
, &msr
))
2335 dts
= (msr
>> 16) & 0x7F;
2336 dts2
= (msr
>> 8) & 0x7F;
2337 fprintf(stderr
, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
2338 cpu
, msr
, tcc_activation_temp
- dts
, tcc_activation_temp
- dts2
);
2345 void print_power_limit_msr(int cpu
, unsigned long long msr
, char *label
)
2347 fprintf(stderr
, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n",
2349 ((msr
>> 15) & 1) ? "EN" : "DIS",
2350 ((msr
>> 0) & 0x7FFF) * rapl_power_units
,
2351 (1.0 + (((msr
>> 22) & 0x3)/4.0)) * (1 << ((msr
>> 17) & 0x1F)) * rapl_time_units
,
2352 (((msr
>> 16) & 1) ? "EN" : "DIS"));
2357 int print_rapl(struct thread_data
*t
, struct core_data
*c
, struct pkg_data
*p
)
2359 unsigned long long msr
;
2365 /* RAPL counters are per package, so print only for 1st thread/package */
2366 if (!(t
->flags
& CPU_IS_FIRST_THREAD_IN_CORE
) || !(t
->flags
& CPU_IS_FIRST_CORE_IN_PACKAGE
))
2370 if (cpu_migrate(cpu
)) {
2371 fprintf(stderr
, "Could not migrate to CPU %d\n", cpu
);
2375 if (get_msr(cpu
, MSR_RAPL_POWER_UNIT
, &msr
))
2379 fprintf(stderr
, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx "
2380 "(%f Watts, %f Joules, %f sec.)\n", cpu
, msr
,
2381 rapl_power_units
, rapl_energy_units
, rapl_time_units
);
2383 if (do_rapl
& RAPL_PKG_POWER_INFO
) {
2385 if (get_msr(cpu
, MSR_PKG_POWER_INFO
, &msr
))
2389 fprintf(stderr
, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
2391 ((msr
>> 0) & RAPL_POWER_GRANULARITY
) * rapl_power_units
,
2392 ((msr
>> 16) & RAPL_POWER_GRANULARITY
) * rapl_power_units
,
2393 ((msr
>> 32) & RAPL_POWER_GRANULARITY
) * rapl_power_units
,
2394 ((msr
>> 48) & RAPL_TIME_GRANULARITY
) * rapl_time_units
);
2397 if (do_rapl
& RAPL_PKG
) {
2399 if (get_msr(cpu
, MSR_PKG_POWER_LIMIT
, &msr
))
2402 fprintf(stderr
, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n",
2403 cpu
, msr
, (msr
>> 63) & 1 ? "": "UN");
2405 print_power_limit_msr(cpu
, msr
, "PKG Limit #1");
2406 fprintf(stderr
, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n",
2408 ((msr
>> 47) & 1) ? "EN" : "DIS",
2409 ((msr
>> 32) & 0x7FFF) * rapl_power_units
,
2410 (1.0 + (((msr
>> 54) & 0x3)/4.0)) * (1 << ((msr
>> 49) & 0x1F)) * rapl_time_units
,
2411 ((msr
>> 48) & 1) ? "EN" : "DIS");
2414 if (do_rapl
& RAPL_DRAM_POWER_INFO
) {
2415 if (get_msr(cpu
, MSR_DRAM_POWER_INFO
, &msr
))
2418 fprintf(stderr
, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
2420 ((msr
>> 0) & RAPL_POWER_GRANULARITY
) * rapl_power_units
,
2421 ((msr
>> 16) & RAPL_POWER_GRANULARITY
) * rapl_power_units
,
2422 ((msr
>> 32) & RAPL_POWER_GRANULARITY
) * rapl_power_units
,
2423 ((msr
>> 48) & RAPL_TIME_GRANULARITY
) * rapl_time_units
);
2425 if (do_rapl
& RAPL_DRAM
) {
2426 if (get_msr(cpu
, MSR_DRAM_POWER_LIMIT
, &msr
))
2428 fprintf(stderr
, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n",
2429 cpu
, msr
, (msr
>> 31) & 1 ? "": "UN");
2431 print_power_limit_msr(cpu
, msr
, "DRAM Limit");
2433 if (do_rapl
& RAPL_CORE_POLICY
) {
2435 if (get_msr(cpu
, MSR_PP0_POLICY
, &msr
))
2438 fprintf(stderr
, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu
, msr
& 0xF);
2441 if (do_rapl
& RAPL_CORES
) {
2444 if (get_msr(cpu
, MSR_PP0_POWER_LIMIT
, &msr
))
2446 fprintf(stderr
, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n",
2447 cpu
, msr
, (msr
>> 31) & 1 ? "": "UN");
2448 print_power_limit_msr(cpu
, msr
, "Cores Limit");
2451 if (do_rapl
& RAPL_GFX
) {
2453 if (get_msr(cpu
, MSR_PP1_POLICY
, &msr
))
2456 fprintf(stderr
, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu
, msr
& 0xF);
2458 if (get_msr(cpu
, MSR_PP1_POWER_LIMIT
, &msr
))
2460 fprintf(stderr
, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n",
2461 cpu
, msr
, (msr
>> 31) & 1 ? "": "UN");
2462 print_power_limit_msr(cpu
, msr
, "GFX Limit");
2469 * SNB adds support for additional MSRs:
2471 * MSR_PKG_C7_RESIDENCY 0x000003fa
2472 * MSR_CORE_C7_RESIDENCY 0x000003fe
2473 * MSR_PKG_C2_RESIDENCY 0x0000060d
2476 int has_snb_msrs(unsigned int family
, unsigned int model
)
2484 case 0x3A: /* IVB */
2485 case 0x3E: /* IVB Xeon */
2486 case 0x3C: /* HSW */
2487 case 0x3F: /* HSW */
2488 case 0x45: /* HSW */
2489 case 0x46: /* HSW */
2490 case 0x3D: /* BDW */
2491 case 0x47: /* BDW */
2492 case 0x4F: /* BDX */
2493 case 0x56: /* BDX-DE */
2494 case 0x4E: /* SKL */
2495 case 0x5E: /* SKL */
2502 * HSW adds support for additional MSRs:
2504 * MSR_PKG_C8_RESIDENCY 0x00000630
2505 * MSR_PKG_C9_RESIDENCY 0x00000631
2506 * MSR_PKG_C10_RESIDENCY 0x00000632
2508 int has_hsw_msrs(unsigned int family
, unsigned int model
)
2514 case 0x45: /* HSW */
2515 case 0x3D: /* BDW */
2516 case 0x4E: /* SKL */
2517 case 0x5E: /* SKL */
2524 * SKL adds support for additional MSRS:
2526 * MSR_PKG_WEIGHTED_CORE_C0_RES 0x00000658
2527 * MSR_PKG_ANY_CORE_C0_RES 0x00000659
2528 * MSR_PKG_ANY_GFXE_C0_RES 0x0000065A
2529 * MSR_PKG_BOTH_CORE_GFXE_C0_RES 0x0000065B
2531 int has_skl_msrs(unsigned int family
, unsigned int model
)
2537 case 0x4E: /* SKL */
2538 case 0x5E: /* SKL */
2546 int is_slm(unsigned int family
, unsigned int model
)
2551 case 0x37: /* BYT */
2552 case 0x4D: /* AVN */
2558 int is_knl(unsigned int family
, unsigned int model
)
2563 case 0x57: /* KNL */
2569 unsigned int get_aperf_mperf_multiplier(unsigned int family
, unsigned int model
)
2571 if (is_knl(family
, model
))
2576 #define SLM_BCLK_FREQS 5
2577 double slm_freq_table
[SLM_BCLK_FREQS
] = { 83.3, 100.0, 133.3, 116.7, 80.0};
2579 double slm_bclk(void)
2581 unsigned long long msr
= 3;
2585 if (get_msr(base_cpu
, MSR_FSB_FREQ
, &msr
))
2586 fprintf(stderr
, "SLM BCLK: unknown\n");
2589 if (i
>= SLM_BCLK_FREQS
) {
2590 fprintf(stderr
, "SLM BCLK[%d] invalid\n", i
);
2593 freq
= slm_freq_table
[i
];
2595 fprintf(stderr
, "SLM BCLK: %.1f Mhz\n", freq
);
2600 double discover_bclk(unsigned int family
, unsigned int model
)
2602 if (has_snb_msrs(family
, model
))
2604 else if (is_slm(family
, model
))
2611 * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where
2612 * the Thermal Control Circuit (TCC) activates.
2613 * This is usually equal to tjMax.
2615 * Older processors do not have this MSR, so there we guess,
2616 * but also allow cmdline over-ride with -T.
2618 * Several MSR temperature values are in units of degrees-C
2619 * below this value, including the Digital Thermal Sensor (DTS),
2620 * Package Thermal Management Sensor (PTM), and thermal event thresholds.
2622 int set_temperature_target(struct thread_data
*t
, struct core_data
*c
, struct pkg_data
*p
)
2624 unsigned long long msr
;
2625 unsigned int target_c_local
;
2628 /* tcc_activation_temp is used only for dts or ptm */
2629 if (!(do_dts
|| do_ptm
))
2632 /* this is a per-package concept */
2633 if (!(t
->flags
& CPU_IS_FIRST_THREAD_IN_CORE
) || !(t
->flags
& CPU_IS_FIRST_CORE_IN_PACKAGE
))
2637 if (cpu_migrate(cpu
)) {
2638 fprintf(stderr
, "Could not migrate to CPU %d\n", cpu
);
2642 if (tcc_activation_temp_override
!= 0) {
2643 tcc_activation_temp
= tcc_activation_temp_override
;
2644 fprintf(stderr
, "cpu%d: Using cmdline TCC Target (%d C)\n",
2645 cpu
, tcc_activation_temp
);
2649 /* Temperature Target MSR is Nehalem and newer only */
2650 if (!do_nhm_platform_info
)
2653 if (get_msr(base_cpu
, MSR_IA32_TEMPERATURE_TARGET
, &msr
))
2656 target_c_local
= (msr
>> 16) & 0xFF;
2659 fprintf(stderr
, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n",
2660 cpu
, msr
, target_c_local
);
2662 if (!target_c_local
)
2665 tcc_activation_temp
= target_c_local
;
2670 tcc_activation_temp
= TJMAX_DEFAULT
;
2671 fprintf(stderr
, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n",
2672 cpu
, tcc_activation_temp
);
2676 void process_cpuid()
2678 unsigned int eax
, ebx
, ecx
, edx
, max_level
;
2679 unsigned int fms
, family
, model
, stepping
;
2681 eax
= ebx
= ecx
= edx
= 0;
2683 __get_cpuid(0, &max_level
, &ebx
, &ecx
, &edx
);
2685 if (ebx
== 0x756e6547 && edx
== 0x49656e69 && ecx
== 0x6c65746e)
2689 fprintf(stderr
, "CPUID(0): %.4s%.4s%.4s ",
2690 (char *)&ebx
, (char *)&edx
, (char *)&ecx
);
2692 __get_cpuid(1, &fms
, &ebx
, &ecx
, &edx
);
2693 family
= (fms
>> 8) & 0xf;
2694 model
= (fms
>> 4) & 0xf;
2695 stepping
= fms
& 0xf;
2696 if (family
== 6 || family
== 0xf)
2697 model
+= ((fms
>> 16) & 0xf) << 4;
2700 fprintf(stderr
, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n",
2701 max_level
, family
, model
, stepping
, family
, model
, stepping
);
2703 if (!(edx
& (1 << 5)))
2704 errx(1, "CPUID: no MSR");
2707 * check max extended function levels of CPUID.
2708 * This is needed to check for invariant TSC.
2709 * This check is valid for both Intel and AMD.
2711 ebx
= ecx
= edx
= 0;
2712 __get_cpuid(0x80000000, &max_level
, &ebx
, &ecx
, &edx
);
2714 if (max_level
>= 0x80000007) {
2717 * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8
2718 * this check is valid for both Intel and AMD
2720 __get_cpuid(0x80000007, &eax
, &ebx
, &ecx
, &edx
);
2721 has_invariant_tsc
= edx
& (1 << 8);
2725 * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0
2726 * this check is valid for both Intel and AMD
2729 __get_cpuid(0x6, &eax
, &ebx
, &ecx
, &edx
);
2730 has_aperf
= ecx
& (1 << 0);
2731 do_dts
= eax
& (1 << 0);
2732 do_ptm
= eax
& (1 << 6);
2733 has_epb
= ecx
& (1 << 3);
2736 fprintf(stderr
, "CPUID(6): %sAPERF, %sDTS, %sPTM, %sEPB\n",
2737 has_aperf
? "" : "No ",
2738 do_dts
? "" : "No ",
2739 do_ptm
? "" : "No ",
2740 has_epb
? "" : "No ");
2742 if (max_level
> 0x15) {
2743 unsigned int eax_crystal
;
2744 unsigned int ebx_tsc
;
2747 * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz
2749 eax_crystal
= ebx_tsc
= crystal_hz
= edx
= 0;
2750 __get_cpuid(0x15, &eax_crystal
, &ebx_tsc
, &crystal_hz
, &edx
);
2754 if (debug
&& (ebx
!= 0))
2755 fprintf(stderr
, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n",
2756 eax_crystal
, ebx_tsc
, crystal_hz
);
2758 if (crystal_hz
== 0)
2760 case 0x4E: /* SKL */
2761 case 0x5E: /* SKL */
2762 crystal_hz
= 24000000; /* 24 MHz */
2769 tsc_hz
= (unsigned long long) crystal_hz
* ebx_tsc
/ eax_crystal
;
2771 fprintf(stderr
, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n",
2772 tsc_hz
/ 1000000, crystal_hz
, ebx_tsc
, eax_crystal
);
2778 aperf_mperf_multiplier
= get_aperf_mperf_multiplier(family
, model
);
2780 do_nhm_platform_info
= do_nhm_cstates
= do_smi
= probe_nhm_msrs(family
, model
);
2781 do_snb_cstates
= has_snb_msrs(family
, model
);
2782 do_pc2
= do_snb_cstates
&& (pkg_cstate_limit
>= PCL__2
);
2783 do_pc3
= (pkg_cstate_limit
>= PCL__3
);
2784 do_pc6
= (pkg_cstate_limit
>= PCL__6
);
2785 do_pc7
= do_snb_cstates
&& (pkg_cstate_limit
>= PCL__7
);
2786 do_c8_c9_c10
= has_hsw_msrs(family
, model
);
2787 do_skl_residency
= has_skl_msrs(family
, model
);
2788 do_slm_cstates
= is_slm(family
, model
);
2789 do_knl_cstates
= is_knl(family
, model
);
2791 rapl_probe(family
, model
);
2792 perf_limit_reasons_probe(family
, model
);
2795 dump_cstate_pstate_config_info(family
, model
);
2797 if (has_skl_msrs(family
, model
))
2798 calculate_tsc_tweak();
2806 "Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n"
2808 "Turbostat forks the specified COMMAND and prints statistics\n"
2809 "when COMMAND completes.\n"
2810 "If no COMMAND is specified, turbostat wakes every 5-seconds\n"
2811 "to print statistics, until interrupted.\n"
2812 "--debug run in \"debug\" mode\n"
2813 "--interval sec Override default 5-second measurement interval\n"
2814 "--help print this help message\n"
2815 "--counter msr print 32-bit counter at address \"msr\"\n"
2816 "--Counter msr print 64-bit Counter at address \"msr\"\n"
2817 "--msr msr print 32-bit value at address \"msr\"\n"
2818 "--MSR msr print 64-bit Value at address \"msr\"\n"
2819 "--version print version information\n"
2821 "For more help, run \"man turbostat\"\n");
2826 * in /dev/cpu/ return success for names that are numbers
2827 * ie. filter out ".", "..", "microcode".
2829 int dir_filter(const struct dirent
*dirp
)
2831 if (isdigit(dirp
->d_name
[0]))
2837 int open_dev_cpu_msr(int dummy1
)
2842 void topology_probe()
2845 int max_core_id
= 0;
2846 int max_package_id
= 0;
2847 int max_siblings
= 0;
2848 struct cpu_topology
{
2850 int physical_package_id
;
2853 /* Initialize num_cpus, max_cpu_num */
2855 topo
.max_cpu_num
= 0;
2856 for_all_proc_cpus(count_cpus
);
2857 if (!summary_only
&& topo
.num_cpus
> 1)
2861 fprintf(stderr
, "num_cpus %d max_cpu_num %d\n", topo
.num_cpus
, topo
.max_cpu_num
);
2863 cpus
= calloc(1, (topo
.max_cpu_num
+ 1) * sizeof(struct cpu_topology
));
2865 err(1, "calloc cpus");
2868 * Allocate and initialize cpu_present_set
2870 cpu_present_set
= CPU_ALLOC((topo
.max_cpu_num
+ 1));
2871 if (cpu_present_set
== NULL
)
2872 err(3, "CPU_ALLOC");
2873 cpu_present_setsize
= CPU_ALLOC_SIZE((topo
.max_cpu_num
+ 1));
2874 CPU_ZERO_S(cpu_present_setsize
, cpu_present_set
);
2875 for_all_proc_cpus(mark_cpu_present
);
2878 * Allocate and initialize cpu_affinity_set
2880 cpu_affinity_set
= CPU_ALLOC((topo
.max_cpu_num
+ 1));
2881 if (cpu_affinity_set
== NULL
)
2882 err(3, "CPU_ALLOC");
2883 cpu_affinity_setsize
= CPU_ALLOC_SIZE((topo
.max_cpu_num
+ 1));
2884 CPU_ZERO_S(cpu_affinity_setsize
, cpu_affinity_set
);
2889 * find max_core_id, max_package_id
2891 for (i
= 0; i
<= topo
.max_cpu_num
; ++i
) {
2894 if (cpu_is_not_present(i
)) {
2896 fprintf(stderr
, "cpu%d NOT PRESENT\n", i
);
2899 cpus
[i
].core_id
= get_core_id(i
);
2900 if (cpus
[i
].core_id
> max_core_id
)
2901 max_core_id
= cpus
[i
].core_id
;
2903 cpus
[i
].physical_package_id
= get_physical_package_id(i
);
2904 if (cpus
[i
].physical_package_id
> max_package_id
)
2905 max_package_id
= cpus
[i
].physical_package_id
;
2907 siblings
= get_num_ht_siblings(i
);
2908 if (siblings
> max_siblings
)
2909 max_siblings
= siblings
;
2911 fprintf(stderr
, "cpu %d pkg %d core %d\n",
2912 i
, cpus
[i
].physical_package_id
, cpus
[i
].core_id
);
2914 topo
.num_cores_per_pkg
= max_core_id
+ 1;
2916 fprintf(stderr
, "max_core_id %d, sizing for %d cores per package\n",
2917 max_core_id
, topo
.num_cores_per_pkg
);
2918 if (debug
&& !summary_only
&& topo
.num_cores_per_pkg
> 1)
2921 topo
.num_packages
= max_package_id
+ 1;
2923 fprintf(stderr
, "max_package_id %d, sizing for %d packages\n",
2924 max_package_id
, topo
.num_packages
);
2925 if (debug
&& !summary_only
&& topo
.num_packages
> 1)
2928 topo
.num_threads_per_core
= max_siblings
;
2930 fprintf(stderr
, "max_siblings %d\n", max_siblings
);
2936 allocate_counters(struct thread_data
**t
, struct core_data
**c
, struct pkg_data
**p
)
2940 *t
= calloc(topo
.num_threads_per_core
* topo
.num_cores_per_pkg
*
2941 topo
.num_packages
, sizeof(struct thread_data
));
2945 for (i
= 0; i
< topo
.num_threads_per_core
*
2946 topo
.num_cores_per_pkg
* topo
.num_packages
; i
++)
2947 (*t
)[i
].cpu_id
= -1;
2949 *c
= calloc(topo
.num_cores_per_pkg
* topo
.num_packages
,
2950 sizeof(struct core_data
));
2954 for (i
= 0; i
< topo
.num_cores_per_pkg
* topo
.num_packages
; i
++)
2955 (*c
)[i
].core_id
= -1;
2957 *p
= calloc(topo
.num_packages
, sizeof(struct pkg_data
));
2961 for (i
= 0; i
< topo
.num_packages
; i
++)
2962 (*p
)[i
].package_id
= i
;
2966 err(1, "calloc counters");
2971 * set cpu_id, core_num, pkg_num
2972 * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE
2974 * increment topo.num_cores when 1st core in pkg seen
2976 void init_counter(struct thread_data
*thread_base
, struct core_data
*core_base
,
2977 struct pkg_data
*pkg_base
, int thread_num
, int core_num
,
2978 int pkg_num
, int cpu_id
)
2980 struct thread_data
*t
;
2981 struct core_data
*c
;
2984 t
= GET_THREAD(thread_base
, thread_num
, core_num
, pkg_num
);
2985 c
= GET_CORE(core_base
, core_num
, pkg_num
);
2986 p
= GET_PKG(pkg_base
, pkg_num
);
2989 if (thread_num
== 0) {
2990 t
->flags
|= CPU_IS_FIRST_THREAD_IN_CORE
;
2991 if (cpu_is_first_core_in_package(cpu_id
))
2992 t
->flags
|= CPU_IS_FIRST_CORE_IN_PACKAGE
;
2995 c
->core_id
= core_num
;
2996 p
->package_id
= pkg_num
;
3000 int initialize_counters(int cpu_id
)
3002 int my_thread_id
, my_core_id
, my_package_id
;
3004 my_package_id
= get_physical_package_id(cpu_id
);
3005 my_core_id
= get_core_id(cpu_id
);
3006 my_thread_id
= get_cpu_position_in_core(cpu_id
);
3010 init_counter(EVEN_COUNTERS
, my_thread_id
, my_core_id
, my_package_id
, cpu_id
);
3011 init_counter(ODD_COUNTERS
, my_thread_id
, my_core_id
, my_package_id
, cpu_id
);
3015 void allocate_output_buffer()
3017 output_buffer
= calloc(1, (1 + topo
.num_cpus
) * 1024);
3018 outp
= output_buffer
;
3020 err(-1, "calloc output buffer");
3023 void setup_all_buffers(void)
3026 allocate_counters(&thread_even
, &core_even
, &package_even
);
3027 allocate_counters(&thread_odd
, &core_odd
, &package_odd
);
3028 allocate_output_buffer();
3029 for_all_proc_cpus(initialize_counters
);
3032 void set_base_cpu(void)
3034 base_cpu
= sched_getcpu();
3036 err(-ENODEV
, "No valid cpus found");
3039 fprintf(stderr
, "base_cpu = %d\n", base_cpu
);
3042 void turbostat_init()
3044 setup_all_buffers();
3047 check_permissions();
3052 for_all_cpus(print_epb
, ODD_COUNTERS
);
3055 for_all_cpus(print_perf_limit
, ODD_COUNTERS
);
3058 for_all_cpus(print_rapl
, ODD_COUNTERS
);
3060 for_all_cpus(set_temperature_target
, ODD_COUNTERS
);
3063 for_all_cpus(print_thermal
, ODD_COUNTERS
);
3066 int fork_it(char **argv
)
3071 status
= for_all_cpus(get_counters
, EVEN_COUNTERS
);
3074 /* clear affinity side-effect of get_counters() */
3075 sched_setaffinity(0, cpu_present_setsize
, cpu_present_set
);
3076 gettimeofday(&tv_even
, (struct timezone
*)NULL
);
3081 execvp(argv
[0], argv
);
3085 if (child_pid
== -1)
3088 signal(SIGINT
, SIG_IGN
);
3089 signal(SIGQUIT
, SIG_IGN
);
3090 if (waitpid(child_pid
, &status
, 0) == -1)
3091 err(status
, "waitpid");
3094 * n.b. fork_it() does not check for errors from for_all_cpus()
3095 * because re-starting is problematic when forking
3097 for_all_cpus(get_counters
, ODD_COUNTERS
);
3098 gettimeofday(&tv_odd
, (struct timezone
*)NULL
);
3099 timersub(&tv_odd
, &tv_even
, &tv_delta
);
3100 for_all_cpus_2(delta_cpu
, ODD_COUNTERS
, EVEN_COUNTERS
);
3101 compute_average(EVEN_COUNTERS
);
3102 format_all_counters(EVEN_COUNTERS
);
3105 fprintf(stderr
, "%.6f sec\n", tv_delta
.tv_sec
+ tv_delta
.tv_usec
/1000000.0);
3110 int get_and_dump_counters(void)
3114 status
= for_all_cpus(get_counters
, ODD_COUNTERS
);
3118 status
= for_all_cpus(dump_counters
, ODD_COUNTERS
);
3127 void print_version() {
3128 fprintf(stderr
, "turbostat version 4.8 26-Sep, 2015"
3129 " - Len Brown <lenb@kernel.org>\n");
3132 void cmdline(int argc
, char **argv
)
3135 int option_index
= 0;
3136 static struct option long_options
[] = {
3137 {"Counter", required_argument
, 0, 'C'},
3138 {"counter", required_argument
, 0, 'c'},
3139 {"Dump", no_argument
, 0, 'D'},
3140 {"debug", no_argument
, 0, 'd'},
3141 {"interval", required_argument
, 0, 'i'},
3142 {"help", no_argument
, 0, 'h'},
3143 {"Joules", no_argument
, 0, 'J'},
3144 {"MSR", required_argument
, 0, 'M'},
3145 {"msr", required_argument
, 0, 'm'},
3146 {"Package", no_argument
, 0, 'p'},
3147 {"processor", no_argument
, 0, 'p'},
3148 {"Summary", no_argument
, 0, 'S'},
3149 {"TCC", required_argument
, 0, 'T'},
3150 {"version", no_argument
, 0, 'v' },
3156 while ((opt
= getopt_long_only(argc
, argv
, "+C:c:Ddhi:JM:m:PpST:v",
3157 long_options
, &option_index
)) != -1) {
3160 sscanf(optarg
, "%x", &extra_delta_offset64
);
3163 sscanf(optarg
, "%x", &extra_delta_offset32
);
3176 interval_sec
= atoi(optarg
);
3182 sscanf(optarg
, "%x", &extra_msr_offset64
);
3185 sscanf(optarg
, "%x", &extra_msr_offset32
);
3197 tcc_activation_temp_override
= atoi(optarg
);
3207 int main(int argc
, char **argv
)
3209 cmdline(argc
, argv
);
3216 /* dump counters and exit */
3218 return get_and_dump_counters();
3221 * if any params left, it must be a command to fork
3224 return fork_it(argv
+ optind
);