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tools/power turbostat: skip unused counters on SKX 

Skip these four counters on SKX, as they are always zero:
cc3, pc3
cc7, pc7

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown 2017-01-27 02:36:41 -05:00
parent 7170a37437
commit 34c7619762
1 changed files with 18 additions and 0 deletions
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18
tools/power/x86/turbostat/turbostat.c
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@ -2584,6 +2584,18 @@ int is_dnv(unsigned int family, unsigned int model)
}
return 0;
}
int is_skx(unsigned int family, unsigned int model)
{
if (!genuine_intel)
return 0;
switch (model) {
case INTEL_FAM6_SKYLAKE_X:
return 1;
}
return 0;
}
int has_nhm_turbo_ratio_limit(unsigned int family, unsigned int model)
{
@ -3871,6 +3883,12 @@ void process_cpuid()
BIC_NOT_PRESENT(BIC_Pkgpc7);
use_c1_residency_msr = 1;
}
if (is_skx(family, model)) {
BIC_NOT_PRESENT(BIC_CPU_c3);
BIC_NOT_PRESENT(BIC_Pkgpc3);
BIC_NOT_PRESENT(BIC_CPU_c7);
BIC_NOT_PRESENT(BIC_Pkgpc7);
}
if (has_hsw_msrs(family, model)) {
BIC_PRESENT(BIC_Pkgpc8);
BIC_PRESENT(BIC_Pkgpc9);