drm_pmu.h

 1/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
 2#ifndef __DRM_PMU_H
 3#define __DRM_PMU_H
 4/*
 5 * Linux DRM clients expose information through usage stats as documented in
 6 * Documentation/gpu/drm-usage-stats.rst (available online at
 7 * https://docs.kernel.org/gpu/drm-usage-stats.html). This is a tool like PMU
 8 * that exposes DRM information.
 9 */
10
11#include "pmu.h"
12#include <stdbool.h>
13
14struct list_head;
15struct perf_thread_map;
16
17void drm_pmu__exit(struct perf_pmu *pmu);
18bool drm_pmu__have_event(const struct perf_pmu *pmu, const char *name);
19int drm_pmu__for_each_event(const struct perf_pmu *pmu, void *state, pmu_event_callback cb);
20size_t drm_pmu__num_events(const struct perf_pmu *pmu);
21int drm_pmu__config_terms(const struct perf_pmu *pmu,
22			  struct perf_event_attr *attr,
23			  struct parse_events_terms *terms,
24			  struct parse_events_error *err);
25int drm_pmu__check_alias(const struct perf_pmu *pmu, struct parse_events_terms *terms,
26			 struct perf_pmu_info *info, struct parse_events_error *err);
27
28
29bool perf_pmu__is_drm(const struct perf_pmu *pmu);
30bool evsel__is_drm(const struct evsel *evsel);
31
32int perf_pmus__read_drm_pmus(struct list_head *pmus);
33
34int evsel__drm_pmu_open(struct evsel *evsel,
35			struct perf_thread_map *threads,
36			int start_cpu_map_idx, int end_cpu_map_idx);
37int evsel__drm_pmu_read(struct evsel *evsel, int cpu_map_idx, int thread);
38
39#endif /* __DRM_PMU_H */