linux-kernel - [PATCH 2/5] perf metricgroup: Support adding metrics for arm64

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Date:   Wed, 3 Mar 2021 23:22:15 +0800
From:   John Garry <john.garry@...wei.com>
To:     <will@...nel.org>, <mathieu.poirier@...aro.org>,
        <leo.yan@...aro.org>, <peterz@...radead.org>, <mingo@...hat.com>,
        <acme@...nel.org>, <mark.rutland@....com>,
        <alexander.shishkin@...ux.intel.com>, <jolsa@...hat.com>,
        <namhyung@...nel.org>
CC:     <irogers@...gle.com>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linuxarm@...wei.com>,
        <zhangshaokun@...ilicon.com>, <qiangqing.zhang@....com>,
        <kjain@...ux.ibm.com>, John Garry <john.garry@...wei.com>
Subject: [PATCH 2/5] perf metricgroup: Support adding metrics for arm64

Use find_cpumap() to get the cpumap for the common CPU PMU, if one exists.

Signed-off-by: John Garry <john.garry@...wei.com>
---
 tools/perf/util/metricgroup.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index 9a2a23093961..c7c9ee9c04be 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -1275,8 +1275,7 @@ int metricgroup__parse_groups(const struct option *opt,
 			      struct rblist *metric_events)
 {
 	struct evlist *perf_evlist = *(struct evlist **)opt->value;
-	struct pmu_events_map *map = perf_pmu__find_map(NULL);
-
+	struct pmu_events_map *map = find_cpumap();
 
 	return parse_groups(perf_evlist, str, metric_no_group,
 			    metric_no_merge, NULL, metric_events, map);
-- 
2.26.2