summaryrefslogtreecommitdiff
path: root/tools/perf/arch/arm64/util/pmu.c
blob: d3a18f9c85f6a731bfe72dca8002c95e334a4eaa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
// SPDX-License-Identifier: GPL-2.0

#include "../../../util/cpumap.h"
#include "../../../util/pmu.h"

const struct pmu_events_map *pmu_events_map__find(void)
{
	struct perf_pmu *pmu = NULL;

	while ((pmu = perf_pmu__scan(pmu))) {
		if (!is_pmu_core(pmu->name))
			continue;

		/*
		 * The cpumap should cover all CPUs. Otherwise, some CPUs may
		 * not support some events or have different event IDs.
		 */
		if (pmu->cpus->nr != cpu__max_cpu())
			return NULL;

		return perf_pmu__find_map(pmu);
	}

	return NULL;
}