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perf vendor events arm64: Add branch metrics for neoverse-n2-v2

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Add branch related metrics.

Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Jing Zhang <renyu.zj@linux.alibaba.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andrew Kilroy <andrew.kilroy@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Shuai Xue <xueshuai@linux.alibaba.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: Zhuo Song <zhuo.song@linux.alibaba.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/1673940573-90503-8-git-send-email-renyu.zj@linux.alibaba.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jing Zhang 2023-01-17 15:29:31 +08:00 committed by Arnaldo Carvalho de Melo
parent 8556d367a7
commit a1adade799
1 changed files with 21 additions and 0 deletions
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21
tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/metrics.json
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@ -139,5 +139,26 @@
"MetricGroup": "Cache",
"MetricName": "ll_cache_read_hit_rate",
"ScaleUnit": "100%"
},
{
"MetricExpr": "BR_MIS_PRED_RETIRED / INST_RETIRED * 1000",
"BriefDescription": "The rate of branches mis-predicted per kilo instructions",
"MetricGroup": "Branch",
"MetricName": "branch_mpki",
"ScaleUnit": "1MPKI"
},
{
"MetricExpr": "BR_RETIRED / INST_RETIRED * 1000",
"BriefDescription": "The rate of branches retired per kilo instructions",
"MetricGroup": "Branch",
"MetricName": "branch_pki",
"ScaleUnit": "1PKI"
},
{
"MetricExpr": "BR_MIS_PRED_RETIRED / BR_RETIRED",
"BriefDescription": "The rate of branches mis-predited to the overall branches",
"MetricGroup": "Branch",
"MetricName": "branch_miss_pred_rate",
"ScaleUnit": "100%"
}
]