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 14 struct list_head; 15 struct perf_thread_map; 16 17 void drm_pmu__exit(struct perf_pmu *pmu); 18 bool drm_pmu__have_event(const struct perf_pmu *pmu, const char *name); 19 int drm_pmu__for_each_event(const struct perf_pmu *pmu, void *state, pmu_event_callback cb); 20 size_t drm_pmu__num_events(const struct perf_pmu *pmu); 21 int 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); 25 int 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 29 bool perf_pmu__is_drm(const struct perf_pmu *pmu); 30 bool evsel__is_drm(const struct evsel *evsel); 31 32 int perf_pmus__read_drm_pmus(struct list_head *pmus); 33 34 int evsel__drm_pmu_open(struct evsel *evsel, 35 struct perf_thread_map *threads, 36 int start_cpu_map_idx, int end_cpu_map_idx); 37 int evsel__drm_pmu_read(struct evsel *evsel, int cpu_map_idx, int thread); 38 39 #endif /* __DRM_PMU_H */ 40