Commit 0dd674ef authored by Ravi Bangoria's avatar Ravi Bangoria Committed by Arnaldo Carvalho de Melo
Browse files

perf/x86/pmu-events: Fix Kernel_Utilization metric 



Kernel Utilization should divide ref cycles spent in kernel with total
ref cycles.

Signed-off-by: default avatarRavi Bangoria <ravi.bangoria@linux.ibm.com>
Reviewed-by: default avatarAndi Kleen <ak@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Haiyan Song <haiyanx.song@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lore.kernel.org/lkml/20191204162121.29998-1-ravi.bangoria@linux.ibm.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 61208e6e

tools/perf/pmu-events/arch/x86/broadwell/bdw-metrics.json

+1 −1
Original line number Diff line number Diff line
@@ -297,7 +297,7 @@ 
    },

    {

        "BriefDescription": "Fraction of cycles spent in Kernel mode",

        "MetricExpr": "CPU_CLK_UNHALTED.REF_TSC:u / CPU_CLK_UNHALTED.REF_TSC",

        "MetricExpr": "CPU_CLK_UNHALTED.REF_TSC:k / CPU_CLK_UNHALTED.REF_TSC",

        "MetricGroup": "Summary",

        "MetricName": "Kernel_Utilization"

    },

tools/perf/pmu-events/arch/x86/broadwellde/bdwde-metrics.json

+1 −1
Original line number Diff line number Diff line
@@ -115,7 +115,7 @@ 
    },

    {

        "BriefDescription": "Fraction of cycles spent in Kernel mode",

        "MetricExpr": "CPU_CLK_UNHALTED.REF_TSC:u / CPU_CLK_UNHALTED.REF_TSC",

        "MetricExpr": "CPU_CLK_UNHALTED.REF_TSC:k / CPU_CLK_UNHALTED.REF_TSC",

        "MetricGroup": "Summary",

        "MetricName": "Kernel_Utilization"

    },

tools/perf/pmu-events/arch/x86/broadwellx/bdx-metrics.json

+1 −1
Original line number Diff line number Diff line
@@ -297,7 +297,7 @@ 
    },

    {

        "BriefDescription": "Fraction of cycles spent in Kernel mode",

        "MetricExpr": "CPU_CLK_UNHALTED.REF_TSC:u / CPU_CLK_UNHALTED.REF_TSC",

        "MetricExpr": "CPU_CLK_UNHALTED.REF_TSC:k / CPU_CLK_UNHALTED.REF_TSC",

        "MetricGroup": "Summary",

        "MetricName": "Kernel_Utilization"

    },

tools/perf/pmu-events/arch/x86/cascadelakex/clx-metrics.json

+1 −1
Original line number Diff line number Diff line
@@ -315,7 +315,7 @@ 
    },

    {

        "BriefDescription": "Fraction of cycles spent in Kernel mode",

        "MetricExpr": "CPU_CLK_UNHALTED.REF_TSC:u / CPU_CLK_UNHALTED.REF_TSC",

        "MetricExpr": "CPU_CLK_UNHALTED.REF_TSC:k / CPU_CLK_UNHALTED.REF_TSC",

        "MetricGroup": "Summary",

        "MetricName": "Kernel_Utilization"

    },

tools/perf/pmu-events/arch/x86/haswell/hsw-metrics.json

+1 −1
Original line number Diff line number Diff line
@@ -267,7 +267,7 @@ 
    },

    {

        "BriefDescription": "Fraction of cycles spent in Kernel mode",

        "MetricExpr": "CPU_CLK_UNHALTED.REF_TSC:u / CPU_CLK_UNHALTED.REF_TSC",

        "MetricExpr": "CPU_CLK_UNHALTED.REF_TSC:k / CPU_CLK_UNHALTED.REF_TSC",

        "MetricGroup": "Summary",

        "MetricName": "Kernel_Utilization"

    },

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