diff mbox series

[v10,2/7] perf metric: "Compat" supports regular expression matching identifiers

Message ID 1695621444-56530-3-git-send-email-renyu.zj@linux.alibaba.com (mailing list archive)
State New, archived
Headers show
Series Add metrics for Arm CMN | expand

Commit Message

Jing Zhang Sept. 25, 2023, 5:57 a.m. UTC 
The jevent "Compat" is used for uncore PMU alias or metric definitions.

The same PMU driver has different PMU identifiers due to different
hardware versions and types, but they may have some common PMU metric.
Since a Compat value can only match one identifier, when adding the
same metric to PMUs with different identifiers, each identifier needs
to be defined once, which is not streamlined enough.

So let "Compat" support using regular expression to match multiple
identifiers for uncore PMU metric.

Signed-off-by: Jing Zhang <renyu.zj@linux.alibaba.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Ian Rogers <irogers@google.com>
---
 tools/perf/util/metricgroup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index 6231044..0484736 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -498,7 +498,7 @@  static int metricgroup__sys_event_iter(const struct pmu_metric *pm,
 
 	while ((pmu = perf_pmus__scan(pmu))) {
 
-		if (!pmu->id || strcmp(pmu->id, pm->compat))
+		if (!pmu->id || !pmu_uncore_identifier_match(pm->compat, pmu->id))
 			continue;
 
 		return d->fn(pm, table, d->data);