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tools/power turbostat: fix decoding for GLM, DNV, SKX turbo-ratio limits 

Newer processors do not hard-code the the number of cpus in each bin
to {1, 2, 3, 4, 5, 6, 7, 8}  Rather, they can specify any number
of CPUS in each of the 8 bins:

eg.

...
37 * 100.0 = 3600.0 MHz max turbo 4 active cores
38 * 100.0 = 3700.0 MHz max turbo 3 active cores
39 * 100.0 = 3800.0 MHz max turbo 2 active cores
39 * 100.0 = 3900.0 MHz max turbo 1 active cores

could now look something like this:

...
37 * 100.0 = 3600.0 MHz max turbo 16 active cores
38 * 100.0 = 3700.0 MHz max turbo 8 active cores
39 * 100.0 = 3800.0 MHz max turbo 4 active cores
39 * 100.0 = 3900.0 MHz max turbo 2 active cores

Signed-off-by: Len Brown <len.brown@intel.com>
hifive-unleashed-5.1
Len Brown 2017-01-31 23:07:49 -05:00
parent 34c7619762
commit 31e07522be
1 changed files with 67 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

90
tools/power/x86/turbostat/turbostat.c
View File

@ -1671,56 +1671,84 @@ dump_ivt_turbo_ratio_limits(void)
ratio, bclk, ratio * bclk);
return;
}
int has_turbo_ratio_group_limits(int family, int model)
{
if (!genuine_intel)
return 0;
switch (model) {
case INTEL_FAM6_ATOM_GOLDMONT:
case INTEL_FAM6_SKYLAKE_X:
case INTEL_FAM6_ATOM_DENVERTON:
return 1;
}
return 0;
}
static void
dump_nhm_turbo_ratio_limits(void)
dump_turbo_ratio_limits(int family, int model)
{
unsigned long long msr;
unsigned int ratio;
unsigned long long msr, core_counts;
unsigned int ratio, group_size;
get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr);
fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr);
if (has_turbo_ratio_group_limits(family, model)) {
get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &core_counts);
fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, core_counts);
} else {
core_counts = 0x0807060504030201;
}
ratio = (msr >> 56) & 0xFF;
group_size = (core_counts >> 56) & 0xFF;
if (ratio)
fprintf(outf, "%d * %.1f = %.1f MHz max turbo 8 active cores\n",
ratio, bclk, ratio * bclk);
fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
ratio, bclk, ratio * bclk, group_size);
ratio = (msr >> 48) & 0xFF;
group_size = (core_counts >> 48) & 0xFF;
if (ratio)
fprintf(outf, "%d * %.1f = %.1f MHz max turbo 7 active cores\n",
ratio, bclk, ratio * bclk);
fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
ratio, bclk, ratio * bclk, group_size);
ratio = (msr >> 40) & 0xFF;
group_size = (core_counts >> 40) & 0xFF;
if (ratio)
fprintf(outf, "%d * %.1f = %.1f MHz max turbo 6 active cores\n",
ratio, bclk, ratio * bclk);
fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
ratio, bclk, ratio * bclk, group_size);
ratio = (msr >> 32) & 0xFF;
group_size = (core_counts >> 32) & 0xFF;
if (ratio)
fprintf(outf, "%d * %.1f = %.1f MHz max turbo 5 active cores\n",
ratio, bclk, ratio * bclk);
fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
ratio, bclk, ratio * bclk, group_size);
ratio = (msr >> 24) & 0xFF;
group_size = (core_counts >> 24) & 0xFF;
if (ratio)
fprintf(outf, "%d * %.1f = %.1f MHz max turbo 4 active cores\n",
ratio, bclk, ratio * bclk);
fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
ratio, bclk, ratio * bclk, group_size);
ratio = (msr >> 16) & 0xFF;
group_size = (core_counts >> 16) & 0xFF;
if (ratio)
fprintf(outf, "%d * %.1f = %.1f MHz max turbo 3 active cores\n",
ratio, bclk, ratio * bclk);
fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
ratio, bclk, ratio * bclk, group_size);
ratio = (msr >> 8) & 0xFF;
group_size = (core_counts >> 8) & 0xFF;
if (ratio)
fprintf(outf, "%d * %.1f = %.1f MHz max turbo 2 active cores\n",
ratio, bclk, ratio * bclk);
fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
ratio, bclk, ratio * bclk, group_size);
ratio = (msr >> 0) & 0xFF;
group_size = (core_counts >> 0) & 0xFF;
if (ratio)
fprintf(outf, "%d * %.1f = %.1f MHz max turbo 1 active cores\n",
ratio, bclk, ratio * bclk);
fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
ratio, bclk, ratio * bclk, group_size);
return;
}
@ -2597,7 +2625,7 @@ int is_skx(unsigned int family, unsigned int model)
return 0;
}
int has_nhm_turbo_ratio_limit(unsigned int family, unsigned int model)
int has_turbo_ratio_limit(unsigned int family, unsigned int model)
{
if (has_slv_msrs(family, model))
return 0;
@ -2668,6 +2696,22 @@ int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model)
return 0;
}
}
int has_glm_turbo_ratio_limit(unsigned int family, unsigned int model)
{
if (!genuine_intel)
return 0;
if (family != 6)
return 0;
switch (model) {
case INTEL_FAM6_ATOM_GOLDMONT:
case INTEL_FAM6_SKYLAKE_X:
return 1;
default:
return 0;
}
}
int has_config_tdp(unsigned int family, unsigned int model)
{
if (!genuine_intel)
@ -2714,8 +2758,8 @@ dump_cstate_pstate_config_info(unsigned int family, unsigned int model)
if (has_ivt_turbo_ratio_limit(family, model))
dump_ivt_turbo_ratio_limits();
if (has_nhm_turbo_ratio_limit(family, model))
dump_nhm_turbo_ratio_limits();
if (has_turbo_ratio_limit(family, model))
dump_turbo_ratio_limits(family, model);
if (has_atom_turbo_ratio_limit(family, model))
dump_atom_turbo_ratio_limits();