Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
tools/power turbostat: version 2026.02.14
Since release 2025.12.02:
Add L2 statistics columns for recent Intel processors:
L2MRPS = L2 Cache M-References Per Second
L2%hit = L2 Cache Hit %
Sort work and output by cpu# rather than core#
This commit:
Version number and white space (indent -l160)
No functional change.
Signed-off-by: Len Brown <len.brown@intel.com>
+21
-36
+21
-36
tools/power/x86/turbostat/turbostat.c
+21
-36
tools/power/x86/turbostat/turbostat.c
···
3
3
* turbostat -- show CPU frequency and C-state residency
4
4
* on modern Intel and AMD processors.
5
5
*
6
-
* Copyright (c) 2025 Intel Corporation.
6
+
* Copyright (c) 2010 - 2026 Intel Corporation
7
7
* Len Brown <len.brown@intel.com>
8
8
*/
9
9
···
2735
2735
" sets the Thermal Control Circuit temperature in\n"
2736
2736
" degrees Celsius\n"
2737
2737
" -h, --help\n"
2738
-
" print this help message\n"
2739
-
" -v, --version\n\t\tprint version information\n\nFor more help, run \"man turbostat\"\n");
2738
+
" print this help message\n -v, --version\n\t\tprint version information\n\nFor more help, run \"man turbostat\"\n");
2740
2739
}
2741
2740
2742
2741
/*
···
3670
3671
if (DO_BIC(BIC_RAM_J))
3671
3672
outp += sprintf(outp, fmt8, (printed++ ? delim : ""), rapl_counter_get_value(&p->energy_dram, RAPL_UNIT_JOULES, interval_float));
3672
3673
if (DO_BIC(BIC_PKG__))
3673
-
outp +=
3674
-
sprintf(outp, fmt8, (printed++ ? delim : ""), rapl_counter_get_value(&p->rapl_pkg_perf_status, RAPL_UNIT_WATTS, interval_float));
3674
+
outp += sprintf(outp, fmt8, (printed++ ? delim : ""), rapl_counter_get_value(&p->rapl_pkg_perf_status, RAPL_UNIT_WATTS, interval_float));
3675
3675
if (DO_BIC(BIC_RAM__))
3676
-
outp +=
3677
-
sprintf(outp, fmt8, (printed++ ? delim : ""), rapl_counter_get_value(&p->rapl_dram_perf_status, RAPL_UNIT_WATTS, interval_float));
3676
+
outp += sprintf(outp, fmt8, (printed++ ? delim : ""), rapl_counter_get_value(&p->rapl_dram_perf_status, RAPL_UNIT_WATTS, interval_float));
3678
3677
/* UncMHz */
3679
3678
if (DO_BIC(BIC_UNCORE_MHZ))
3680
3679
outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), p->uncore_mhz);
···
3722
3725
}
3723
3726
3724
3727
if (DO_BIC(BIC_SysWatt) && (t == average.threads))
3725
-
outp += sprintf(outp, fmt8, (printed++ ? delim : ""),
3726
-
rapl_counter_get_value(&pplat_cnt->energy_psys, RAPL_UNIT_WATTS, interval_float));
3728
+
outp += sprintf(outp, fmt8, (printed++ ? delim : ""), rapl_counter_get_value(&pplat_cnt->energy_psys, RAPL_UNIT_WATTS, interval_float));
3727
3729
if (DO_BIC(BIC_Sys_J) && (t == average.threads))
3728
-
outp += sprintf(outp, fmt8, (printed++ ? delim : ""),
3729
-
rapl_counter_get_value(&pplat_cnt->energy_psys, RAPL_UNIT_JOULES, interval_float));
3730
+
outp += sprintf(outp, fmt8, (printed++ ? delim : ""), rapl_counter_get_value(&pplat_cnt->energy_psys, RAPL_UNIT_JOULES, interval_float));
3730
3731
3731
3732
done:
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3733
if (*(outp - 1) != '\n')
···
3937
3942
/* check for TSC < 1 Mcycles over interval */
3938
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if (old->tsc < (1000 * 1000))
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errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n"
3940
-
"You can disable all c-states by booting with \"idle=poll\"\n" "or just the deep ones with \"processor.max_cstate=1\"");
3945
+
"You can disable all c-states by booting with \"idle=poll\"\nor just the deep ones with \"processor.max_cstate=1\"");
3941
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3942
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old->c1 = new->c1 - old->c1;
3943
3948
···
5541
5546
int shift;
5542
5547
5543
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get_msr(master_cpu, trl_msr_offset, &msr);
5544
-
fprintf(outf, "cpu%d: MSR_%sTURBO_RATIO_LIMIT: 0x%08llx\n",
5545
-
master_cpu, trl_msr_offset == MSR_SECONDARY_TURBO_RATIO_LIMIT ? "SECONDARY_" : "", msr);
5549
+
fprintf(outf, "cpu%d: MSR_%sTURBO_RATIO_LIMIT: 0x%08llx\n", master_cpu, trl_msr_offset == MSR_SECONDARY_TURBO_RATIO_LIMIT ? "SECONDARY_" : "", msr);
5546
5550
5547
5551
if (platform->trl_msrs & TRL_CORECOUNT) {
5548
5552
get_msr(master_cpu, MSR_TURBO_RATIO_LIMIT1, &core_counts);
···
8013
8019
return -1;
8014
8020
}
8015
8021
8016
-
fprintf(outf, "cpu%d: %s: 0x%08llx (%f Watts, %f Joules, %f sec.)\n", cpu, msr_name, msr,
8017
-
rapl_power_units, rapl_energy_units, rapl_time_units);
8022
+
fprintf(outf, "cpu%d: %s: 0x%08llx (%f Watts, %f Joules, %f sec.)\n", cpu, msr_name, msr, rapl_power_units, rapl_energy_units, rapl_time_units);
8018
8023
8019
8024
if (valid_rapl_msrs & RAPL_PKG_POWER_INFO) {
8020
8025
···
8045
8052
return -9;
8046
8053
8047
8054
fprintf(outf, "cpu%d: MSR_VR_CURRENT_CONFIG: 0x%08llx\n", cpu, msr);
8048
-
fprintf(outf, "cpu%d: PKG Limit #4: %f Watts (%slocked)\n",
8049
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cpu, ((msr >> 0) & 0x1FFF) * rapl_power_units, (msr >> 31) & 1 ? "" : "UN");
8055
+
fprintf(outf, "cpu%d: PKG Limit #4: %f Watts (%slocked)\n", cpu, ((msr >> 0) & 0x1FFF) * rapl_power_units, (msr >> 31) & 1 ? "" : "UN");
8050
8056
}
8051
8057
8052
8058
if (valid_rapl_msrs & RAPL_DRAM_POWER_INFO) {
···
8382
8390
if (!get_msr(master_cpu, MSR_MISC_FEATURE_CONTROL, &msr))
8383
8391
fprintf(outf,
8384
8392
"cpu%d: MSR_MISC_FEATURE_CONTROL: 0x%08llx (%sL2-Prefetch %sL2-Prefetch-pair %sL1-Prefetch %sL1-IP-Prefetch)\n",
8385
-
master_cpu, msr, msr & (0 << 0) ? "No-" : "", msr & (1 << 0) ? "No-" : "",
8386
-
msr & (2 << 0) ? "No-" : "", msr & (3 << 0) ? "No-" : "");
8393
+
master_cpu, msr, msr & (0 << 0) ? "No-" : "", msr & (1 << 0) ? "No-" : "", msr & (2 << 0) ? "No-" : "", msr & (3 << 0) ? "No-" : "");
8387
8394
}
8388
8395
8389
8396
/*
···
8424
8433
return;
8425
8434
8426
8435
if (!get_msr(master_cpu, MSR_CC6_DEMOTION_POLICY_CONFIG, &msr))
8427
-
fprintf(outf, "cpu%d: MSR_CC6_DEMOTION_POLICY_CONFIG: 0x%08llx (%sable-CC6-Demotion)\n",
8428
-
master_cpu, msr, msr & (1 << 0) ? "EN" : "DIS");
8436
+
fprintf(outf, "cpu%d: MSR_CC6_DEMOTION_POLICY_CONFIG: 0x%08llx (%sable-CC6-Demotion)\n", master_cpu, msr, msr & (1 << 0) ? "EN" : "DIS");
8429
8437
8430
8438
if (!get_msr(master_cpu, MSR_MC6_DEMOTION_POLICY_CONFIG, &msr))
8431
-
fprintf(outf, "cpu%d: MSR_MC6_DEMOTION_POLICY_CONFIG: 0x%08llx (%sable-MC6-Demotion)\n",
8432
-
master_cpu, msr, msr & (1 << 0) ? "EN" : "DIS");
8439
+
fprintf(outf, "cpu%d: MSR_MC6_DEMOTION_POLICY_CONFIG: 0x%08llx (%sable-MC6-Demotion)\n", master_cpu, msr, msr & (1 << 0) ? "EN" : "DIS");
8433
8440
}
8434
8441
8435
8442
void print_dev_latency(void)
···
8745
8756
/* Assumes msr_counter_info is populated */
8746
8757
static int has_amperf_access(void)
8747
8758
{
8748
-
return cpuid_has_aperf_mperf && msr_counter_arch_infos[MSR_ARCH_INFO_APERF_INDEX].present &&
8749
-
msr_counter_arch_infos[MSR_ARCH_INFO_MPERF_INDEX].present;
8759
+
return cpuid_has_aperf_mperf && msr_counter_arch_infos[MSR_ARCH_INFO_APERF_INDEX].present && msr_counter_arch_infos[MSR_ARCH_INFO_MPERF_INDEX].present;
8750
8760
}
8751
8761
8752
8762
int *get_cstate_perf_group_fd(struct cstate_counter_info_t *cci, const char *group_name)
···
8956
8968
if (!per_core && pkg_visited[pkg_id])
8957
8969
continue;
8958
8970
8959
-
const bool counter_needed = BIC_IS_ENABLED(cai->bic_number) ||
8960
-
(soft_c1 && (cai->flags & CSTATE_COUNTER_FLAG_SOFT_C1_DEPENDENCY));
8971
+
const bool counter_needed = BIC_IS_ENABLED(cai->bic_number) || (soft_c1 && (cai->flags & CSTATE_COUNTER_FLAG_SOFT_C1_DEPENDENCY));
8961
8972
const bool counter_supported = (platform->supported_cstates & cai->feature_mask);
8962
8973
8963
8974
if (counter_needed && counter_supported) {
···
9246
9259
if (crystal_hz) {
9247
9260
tsc_hz = (unsigned long long)crystal_hz *ebx_tsc / eax_crystal;
9248
9261
if (!quiet)
9249
-
fprintf(outf, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n",
9250
-
tsc_hz / 1000000, crystal_hz, ebx_tsc, eax_crystal);
9262
+
fprintf(outf, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n", tsc_hz / 1000000, crystal_hz, ebx_tsc, eax_crystal);
9251
9263
}
9252
9264
}
9253
9265
}
···
9631
9645
if (cpus[i].ht_id == 0)
9632
9646
topo.num_cores++;
9633
9647
}
9634
-
topo.max_core_id = max_core_id; /* within a package */
9648
+
topo.max_core_id = max_core_id; /* within a package */
9635
9649
topo.max_package_id = max_package_id;
9636
9650
topo.num_cores = (max_core_id + 1) * topo.num_packages; /* per system */
9637
9651
···
9698
9712
error:
9699
9713
err(1, "calloc counters_1");
9700
9714
}
9715
+
9701
9716
void allocate_counters(struct counters *counters)
9702
9717
{
9703
9718
int i;
···
10355
10368
10356
10369
if (BIC_IS_ENABLED(BIC_Diec6)) {
10357
10370
pmt_add_counter(PMT_MTL_DC6_GUID, PMT_MTL_DC6_SEQ, "Die%c6", PMT_TYPE_XTAL_TIME,
10358
-
PMT_COUNTER_MTL_DC6_LSB, PMT_COUNTER_MTL_DC6_MSB, PMT_COUNTER_MTL_DC6_OFFSET,
10359
-
SCOPE_PACKAGE, FORMAT_DELTA, 0, PMT_OPEN_TRY);
10371
+
PMT_COUNTER_MTL_DC6_LSB, PMT_COUNTER_MTL_DC6_MSB, PMT_COUNTER_MTL_DC6_OFFSET, SCOPE_PACKAGE, FORMAT_DELTA, 0, PMT_OPEN_TRY);
10360
10372
}
10361
10373
10362
10374
if (BIC_IS_ENABLED(BIC_CPU_c1e)) {
···
10533
10547
10534
10548
void print_version()
10535
10549
{
10536
-
fprintf(outf, "turbostat version 2026.02.04 - Len Brown <lenb@kernel.org>\n");
10550
+
fprintf(outf, "turbostat version 2026.02.14 - Len Brown <lenb@kernel.org>\n");
10537
10551
}
10538
10552
10539
10553
#define COMMAND_LINE_SIZE 2048
···
11155
11169
}
11156
11170
11157
11171
if (direct_path && has_guid) {
11158
-
printf("%s: path and guid+seq parameters are mutually exclusive\n"
11159
-
"notice: passed guid=0x%x and path=%s\n", __func__, guid, direct_path);
11172
+
printf("%s: path and guid+seq parameters are mutually exclusive\nnotice: passed guid=0x%x and path=%s\n", __func__, guid, direct_path);
11160
11173
exit(1);
11161
11174
}
11162
11175