From ade0ebacdf03591b3dab642e6e92da60c20ebdb3 Mon Sep 17 00:00:00 2001 From: Len Brown Date: Fri, 10 Feb 2017 01:56:47 -0500 Subject: [PATCH] tools/power turbostat: skip unused counters on BDX Skip these two counters on BDX, as they are always zero: cc7, pc7 Signed-off-by: Len Brown --- tools/power/x86/turbostat/turbostat.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 67a275882a8d..334c4c29d4b5 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -2612,6 +2612,19 @@ int is_dnv(unsigned int family, unsigned int model) } return 0; } +int is_bdx(unsigned int family, unsigned int model) +{ + + if (!genuine_intel) + return 0; + + switch (model) { + case INTEL_FAM6_BROADWELL_X: + case INTEL_FAM6_BROADWELL_XEON_D: + return 1; + } + return 0; +} int is_skx(unsigned int family, unsigned int model) { @@ -3933,6 +3946,10 @@ void process_cpuid() BIC_NOT_PRESENT(BIC_CPU_c7); BIC_NOT_PRESENT(BIC_Pkgpc7); } + if (is_bdx(family, model)) { + 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); -- 2.20.1