Messages in this thread Patch in this message | | | From | Jing Zhang <> | Subject | [RFC PATCH v2 5/6] perf vendor events arm64: Add PE utilization metrics for neoverse-n2 | Date | Mon, 14 Nov 2022 15:41:59 +0800 |
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Add PE utilization related metrics.
Signed-off-by: Jing Zhang <renyu.zj@linux.alibaba.com> --- .../arch/arm64/arm/neoverse-n2/metrics.json | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+)
diff --git a/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json b/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json index e960a66..3c14971 100644 --- a/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json +++ b/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2/metrics.json @@ -152,5 +152,33 @@ "BriefDescription": "The rate of branches mis-predited to the overall branches", "MetricGroup": "Branch", "MetricName": "branch_miss_pred_rate" + }, + { + "MetricExpr": "instructions / CPU_CYCLES", + "PublicDescription": "The average number of instructions executed for each cycle.", + "BriefDescription": "Instructions per cycle", + "MetricGroup": "PEutilization", + "MetricName": "ipc" + }, + { + "MetricExpr": "OP_RETIRED / OP_SPEC", + "PublicDescription": "Fraction of operations retired", + "BriefDescription": "Fraction of operations retired", + "MetricGroup": "PEutilization", + "MetricName": "retired_rate" + }, + { + "MetricExpr": "1 - OP_RETIRED / OP_SPEC", + "PublicDescription": "Fraction of operations wasted", + "BriefDescription": "Fraction of operations wasted", + "MetricGroup": "PEutilization", + "MetricName": "wasted_rate" + }, + { + "MetricExpr": "(1 - STALL_SLOT / (CPU_CYCLES * 5)) * OP_RETIRED / OP_SPEC", + "PublicDescription": "Utilization of CPU", + "BriefDescription": "Utilization of CPU", + "MetricGroup": "PEutilization", + "MetricName": "cpu_utilization" } ] \ No newline at end of file -- 1.8.3.1
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