tools/perf/util/pmus.c


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// SPDX-License-Identifier: GPL-2.0
#include <linux/list.h>
#include <string.h>
#include "pmus.h"
#include "pmu.h"

LIST_HEAD(pmus);

const struct perf_pmu *perf_pmus__pmu_for_pmu_filter(const char *str)
{
	struct perf_pmu *pmu = NULL;

	while ((pmu = perf_pmu__scan(pmu)) != NULL) {
		if (!strcmp(pmu->name, str))
			return pmu;
		/* Ignore "uncore_" prefix. */
		if (!strncmp(pmu->name, "uncore_", 7)) {
			if (!strcmp(pmu->name + 7, str))
				return pmu;
		}
		/* Ignore "cpu_" prefix on Intel hybrid PMUs. */
		if (!strncmp(pmu->name, "cpu_", 4)) {
			if (!strcmp(pmu->name + 4, str))
				return pmu;
		}
	}
	return NULL;
}