perf parse-events filter: Use evsel__find_pmu

JIRA: https://issues.redhat.com/browse/RHEL-78200

upstream
========
commit 8b99e2f
Author: Ian Rogers <irogers@google.com>
Date: Wed Jun 4 10:45:35 2025 -0700

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

    Signed-off-by: Ian Rogers <irogers@google.com>
    Link: https://lore.kernel.org/r/20250604174545.2853620-2-irogers@google.com
    Signed-off-by: Namhyung Kim <namhyung@kernel.org>

Signed-off-by: Anubhav Shelat <ashelat@redhat.com>

Author: AnubhavS1

tools/perf/util/parse-events.c

@@ -2559,9 +2559,8 @@ 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,
@@ -2579,16 +2578,11 @@ 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);