linux-kernel - [PATCH v1 02/10] perf parse-events filter: Use evsel__find

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Message-Id: <20250111190143.1029906-3-irogers@google.com>
Date: Sat, 11 Jan 2025 11:01:35 -0800
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, 
	Mark Rutland <mark.rutland@....com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	Kan Liang <kan.liang@...ux.intel.com>, Hao Ge <gehao@...inos.cn>, 
	James Clark <james.clark@...aro.org>, Howard Chu <howardchu95@...il.com>, 
	Dominique Martinet <asmadeus@...ewreck.org>, Levi Yun <yeoreum.yun@....com>, 
	Xu Yang <xu.yang_2@....com>, Tengda Wu <wutengda@...weicloud.com>, 
	Yang Jihong <yangjihong1@...wei.com>, linux-perf-users@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: [PATCH v1 02/10] perf parse-events filter: Use evsel__find_pmu

Rather than manually scanning PMUs, use evsel__find_pmu that can use
the PMU set during event parsing.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/util/parse-events.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 1e23faa364b1..f147e13a7017 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -2406,9 +2406,8 @@ foreach_evsel_in_last_glob(struct evlist *evlist,
 static int set_filter(struct evsel *evsel, const void *arg)
 {
 	const char *str = arg;
-	bool found = false;
 	int nr_addr_filters = 0;
-	struct perf_pmu *pmu = NULL;
+	struct perf_pmu *pmu;
 
 	if (evsel == NULL) {
 		fprintf(stderr,
@@ -2426,16 +2425,11 @@ static int set_filter(struct evsel *evsel, const void *arg)
 		return 0;
 	}
 
-	while ((pmu = perf_pmus__scan(pmu)) != NULL)
-		if (pmu->type == evsel->core.attr.type) {
-			found = true;
-			break;
-		}
-
-	if (found)
+	pmu = evsel__find_pmu(evsel);
+	if (pmu) {
 		perf_pmu__scan_file(pmu, "nr_addr_filters",
 				    "%d", &nr_addr_filters);
-
+	}
 	if (!nr_addr_filters)
 		return perf_bpf_filter__parse(&evsel->bpf_filters, str);
 
-- 
2.47.1.613.gc27f4b7a9f-goog