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tools/power turbostat: dump CONFIG_TDP

Browse source 
Config TDP is a feature that allows parts to be configured
for different thermal limits after they have left the factory.

This can have an effect on the operation of the part,
particularly in determiniing...

Max Non-turbo Ratio
Turbo Activation Ratio

Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Len Brown 2015-06-17 16:23:45 -04:00
commit 6fb3143b56
2 changed files with 83 additions and 1 deletions
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78
tools/power/x86/turbostat/turbostat.c
View file

@ -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);
@ -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)
{
@ -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();
}
@ -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 <[email protected]>\n");
}