diff mbox

[29/44] tools/power turbostat: skip unused counters on BDX

Message ID ade0ebacdf03591b3dab642e6e92da60c20ebdb3.1488345270.git.len.brown@intel.com (mailing list archive)
State Mainlined
Delegated to: Rafael Wysocki
Headers show

Commit Message

Len Brown March 1, 2017, 5:27 a.m. UTC 
From: Len Brown <len.brown@intel.com>

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 | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
diff mbox

Patch

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);