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| author | Len Brown <len.brown@intel.com> | 2017-01-27 08:36:41 +0100 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2017-03-01 06:14:20 +0100 |
| commit | 34c7619762f7b4ebbd5157b312e6022b725c031e (patch) | |
| tree | 47433f16f4ce0076c030609329acb04fe040e565 /tools/power | |
| parent | tools/power turbostat: Denverton: use HW CC1 counter, skip C3, C7 (diff) | |
| download | linux-34c7619762f7b4ebbd5157b312e6022b725c031e.tar.xz linux-34c7619762f7b4ebbd5157b312e6022b725c031e.zip | |
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>
Diffstat (limited to 'tools/power')
| -rw-r--r-- | tools/power/x86/turbostat/turbostat.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 1010135ee973..8c437115d41b 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -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); |