tools/power turbostat: skip unused counters on BDX
authorLen Brown <len.brown@intel.com>
Fri, 10 Feb 2017 06:56:47 +0000 (01:56 -0500)
committerLen Brown <len.brown@intel.com>
Wed, 1 Mar 2017 05:14:21 +0000 (00:14 -0500)
Skip these two counters on BDX, as they are always zero:
cc7, pc7

Signed-off-by: Len Brown <len.brown@intel.com>
tools/power/x86/turbostat/turbostat.c

index 67a275882a8df4ea8350a07dc9eacc3343abff86..334c4c29d4b5c84a07611049dbd40ec0a85e1e31 100644 (file)
@@ -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);