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>
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 1010135..8c43711 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);