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Brooklyn/tools/perf/arch/arm64/util/pmu.c

26 lines
513 B
C

// SPDX-License-Identifier: GPL-2.0
#include "../../../util/cpumap.h"
#include "../../../util/pmu.h"
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;
}