From: Jing Zhang Date: Tue, 17 Jan 2023 07:29:31 +0000 (+0800) Subject: perf vendor events arm64: Add branch metrics for neoverse-n2-v2 X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a1adade799bd9348a9bb290b3df2ca5068cd57bc;p=linux.git perf vendor events arm64: Add branch metrics for neoverse-n2-v2 Add branch related metrics. Reviewed-by: John Garry Signed-off-by: Jing Zhang Acked-by: Ian Rogers Cc: Alexander Shishkin Cc: Andrew Kilroy Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Leo Yan Cc: Mark Rutland Cc: Mike Leach Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Shuai Xue Cc: Will Deacon Cc: Xing Zhengjun Cc: Zhuo Song 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 --- diff --git a/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/metrics.json b/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/metrics.json index 08c6aaa7ff09b..afcdb174e1c13 100644 --- a/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/metrics.json +++ b/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/metrics.json @@ -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%" } ]