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Merge branch 'turbostat' of https://git.kernel.org/pub/scm/linux/kern…
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…el/git/lenb/linux into pm-tools

Pull turbostat changes for v4.3 from Len Brown.

* 'turbostat' of https://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  tools/power turbostat: fix typo on DRAM column in Joules-mode
  tools/power turbostat: fix parameter passing for forked command
  tools/power turbostat: dump CONFIG_TDP
  tools/power turbostat: cpu0 is no longer hard-coded, so  update output
  tools/power turbostat: update turbostat(8)
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Rafael J. Wysocki committed Aug 24, 2015
2 parents 2e5e8fd + bd6906e commit 82bb70c
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Showing 3 changed files with 94 additions and 17 deletions.
6 changes: 6 additions & 0 deletions arch/x86/include/asm/msr-index.h
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Original file line number Diff line number Diff line change
Expand Up @@ -170,6 +170,12 @@
#define MSR_PP1_ENERGY_STATUS 0x00000641
#define MSR_PP1_POLICY 0x00000642

#define MSR_CONFIG_TDP_NOMINAL 0x00000648
#define MSR_CONFIG_TDP_LEVEL_1 0x00000649
#define MSR_CONFIG_TDP_LEVEL_2 0x0000064A
#define MSR_CONFIG_TDP_CONTROL 0x0000064B
#define MSR_TURBO_ACTIVATION_RATIO 0x0000064C

#define MSR_PKG_WEIGHTED_CORE_C0_RES 0x00000658
#define MSR_PKG_ANY_CORE_C0_RES 0x00000659
#define MSR_PKG_ANY_GFXE_C0_RES 0x0000065A
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5 changes: 0 additions & 5 deletions tools/power/x86/turbostat/turbostat.8
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Original file line number Diff line number Diff line change
Expand Up @@ -251,11 +251,6 @@ Although it is not guaranteed by the architecture, turbostat assumes
that they count at TSC rate, which is true on all processors tested to date.

.SH REFERENCES
"Intel® Turbo Boost Technology
in Intel® Core™ Microarchitecture (Nehalem) Based Processors"
http://download.intel.com/design/processor/applnots/320354.pdf

"Intel® 64 and IA-32 Architectures Software Developer's Manual
Volume 3B: System Programming Guide"
http://www.intel.com/products/processor/manuals/

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100 changes: 88 additions & 12 deletions tools/power/x86/turbostat/turbostat.c
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Original file line number Diff line number Diff line change
Expand Up @@ -372,7 +372,7 @@ void print_header(void)
if (do_rapl & RAPL_GFX)
outp += sprintf(outp, " GFX_J");
if (do_rapl & RAPL_DRAM)
outp += sprintf(outp, " RAM_W");
outp += sprintf(outp, " RAM_J");
if (do_rapl & RAPL_PKG_PERF_STATUS)
outp += sprintf(outp, " PKG_%%");
if (do_rapl & RAPL_DRAM_PERF_STATUS)
Expand Down Expand Up @@ -1157,7 +1157,7 @@ dump_nhm_platform_info(void)

get_msr(base_cpu, MSR_NHM_PLATFORM_INFO, &msr);

fprintf(stderr, "cpu0: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", msr);
fprintf(stderr, "cpu%d: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr);

ratio = (msr >> 40) & 0xFF;
fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency frequency\n",
Expand All @@ -1168,8 +1168,8 @@ dump_nhm_platform_info(void)
ratio, bclk, ratio * bclk);

get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr);
fprintf(stderr, "cpu0: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n",
msr, msr & 0x2 ? "EN" : "DIS");
fprintf(stderr, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n",
base_cpu, msr, msr & 0x2 ? "EN" : "DIS");

return;
}
Expand All @@ -1182,7 +1182,7 @@ dump_hsw_turbo_ratio_limits(void)

get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr);

fprintf(stderr, "cpu0: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", msr);
fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr);

ratio = (msr >> 8) & 0xFF;
if (ratio)
Expand All @@ -1204,7 +1204,7 @@ dump_ivt_turbo_ratio_limits(void)

get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr);

fprintf(stderr, "cpu0: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", msr);
fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr);

ratio = (msr >> 56) & 0xFF;
if (ratio)
Expand Down Expand Up @@ -1256,7 +1256,7 @@ dump_nhm_turbo_ratio_limits(void)

get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr);

fprintf(stderr, "cpu0: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", msr);
fprintf(stderr, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr);

ratio = (msr >> 56) & 0xFF;
if (ratio)
Expand Down Expand Up @@ -1312,8 +1312,8 @@ dump_knl_turbo_ratio_limits(void)

get_msr(base_cpu, MSR_NHM_TURBO_RATIO_LIMIT, &msr);

fprintf(stderr, "cpu0: MSR_NHM_TURBO_RATIO_LIMIT: 0x%08llx\n",
msr);
fprintf(stderr, "cpu%d: MSR_NHM_TURBO_RATIO_LIMIT: 0x%08llx\n",
base_cpu, msr);

/**
* Turbo encoding in KNL is as follows:
Expand Down Expand Up @@ -1371,7 +1371,7 @@ dump_nhm_cst_cfg(void)
#define SNB_C1_AUTO_UNDEMOTE (1UL << 27)
#define SNB_C3_AUTO_UNDEMOTE (1UL << 28)

fprintf(stderr, "cpu0: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", msr);
fprintf(stderr, "cpu%d: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", base_cpu, msr);

fprintf(stderr, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n",
(msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "",
Expand All @@ -1384,6 +1384,49 @@ dump_nhm_cst_cfg(void)
return;
}

static void
dump_config_tdp(void)
{
unsigned long long msr;

get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr);
fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr);
fprintf(stderr, " (base_ratio=%d)\n", (unsigned int)msr & 0xEF);

get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr);
fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr);
if (msr) {
fprintf(stderr, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0xEFFF);
fprintf(stderr, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0xEFFF);
fprintf(stderr, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xEF);
fprintf(stderr, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0xEFFF);
}
fprintf(stderr, ")\n");

get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr);
fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr);
if (msr) {
fprintf(stderr, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0xEFFF);
fprintf(stderr, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0xEFFF);
fprintf(stderr, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xEF);
fprintf(stderr, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0xEFFF);
}
fprintf(stderr, ")\n");

get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr);
fprintf(stderr, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr);
if ((msr) & 0x3)
fprintf(stderr, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3);
fprintf(stderr, " lock=%d", (unsigned int)(msr >> 31) & 1);
fprintf(stderr, ")\n");

get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr);
fprintf(stderr, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr);
fprintf(stderr, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0xEF);
fprintf(stderr, " lock=%d", (unsigned int)(msr >> 31) & 1);
fprintf(stderr, ")\n");
}

void free_all_buffers(void)
{
CPU_FREE(cpu_present_set);
Expand Down Expand Up @@ -1873,6 +1916,36 @@ int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model)
return 0;
}
}
int has_config_tdp(unsigned int family, unsigned int model)
{
if (!genuine_intel)
return 0;

if (family != 6)
return 0;

switch (model) {
case 0x3A: /* IVB */
case 0x3E: /* IVB Xeon */

case 0x3C: /* HSW */
case 0x3F: /* HSX */
case 0x45: /* HSW */
case 0x46: /* HSW */
case 0x3D: /* BDW */
case 0x47: /* BDW */
case 0x4F: /* BDX */
case 0x56: /* BDX-DE */
case 0x4E: /* SKL */
case 0x5E: /* SKL */

case 0x57: /* Knights Landing */
return 1;
default:
return 0;
}
}

static void
dump_cstate_pstate_config_info(family, model)
{
Expand All @@ -1893,6 +1966,9 @@ dump_cstate_pstate_config_info(family, model)
if (has_knl_turbo_ratio_limit(family, model))
dump_knl_turbo_ratio_limits();

if (has_config_tdp(family, model))
dump_config_tdp();

dump_nhm_cst_cfg();
}

Expand Down Expand Up @@ -3014,7 +3090,7 @@ int get_and_dump_counters(void)
}

void print_version() {
fprintf(stderr, "turbostat version 4.7 27-May, 2015"
fprintf(stderr, "turbostat version 4.7 17-June, 2015"
" - Len Brown <lenb@kernel.org>\n");
}

Expand Down Expand Up @@ -3042,7 +3118,7 @@ void cmdline(int argc, char **argv)

progname = argv[0];

while ((opt = getopt_long_only(argc, argv, "C:c:Ddhi:JM:m:PpST:v",
while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:JM:m:PpST:v",
long_options, &option_index)) != -1) {
switch (opt) {
case 'C':
Expand Down

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