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 <len.brown@intel.com>

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 67a2758..334c4c2 100644 (file)
--- 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);