1*28917cb1SIan Rogers /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */ 2*28917cb1SIan Rogers #ifndef __DRM_PMU_H 3*28917cb1SIan Rogers #define __DRM_PMU_H 4*28917cb1SIan Rogers /* 5*28917cb1SIan Rogers * Linux DRM clients expose information through usage stats as documented in 6*28917cb1SIan Rogers * Documentation/gpu/drm-usage-stats.rst (available online at 7*28917cb1SIan Rogers * https://docs.kernel.org/gpu/drm-usage-stats.html). This is a tool like PMU 8*28917cb1SIan Rogers * that exposes DRM information. 9*28917cb1SIan Rogers */ 10*28917cb1SIan Rogers 11*28917cb1SIan Rogers #include "pmu.h" 12*28917cb1SIan Rogers #include <stdbool.h> 13*28917cb1SIan Rogers 14*28917cb1SIan Rogers struct list_head; 15*28917cb1SIan Rogers struct perf_thread_map; 16*28917cb1SIan Rogers 17*28917cb1SIan Rogers void drm_pmu__exit(struct perf_pmu *pmu); 18*28917cb1SIan Rogers bool drm_pmu__have_event(const struct perf_pmu *pmu, const char *name); 19*28917cb1SIan Rogers int drm_pmu__for_each_event(const struct perf_pmu *pmu, void *state, pmu_event_callback cb); 20*28917cb1SIan Rogers size_t drm_pmu__num_events(const struct perf_pmu *pmu); 21*28917cb1SIan Rogers int drm_pmu__config_terms(const struct perf_pmu *pmu, 22*28917cb1SIan Rogers struct perf_event_attr *attr, 23*28917cb1SIan Rogers struct parse_events_terms *terms, 24*28917cb1SIan Rogers struct parse_events_error *err); 25*28917cb1SIan Rogers int drm_pmu__check_alias(const struct perf_pmu *pmu, struct parse_events_terms *terms, 26*28917cb1SIan Rogers struct perf_pmu_info *info, struct parse_events_error *err); 27*28917cb1SIan Rogers 28*28917cb1SIan Rogers 29*28917cb1SIan Rogers bool perf_pmu__is_drm(const struct perf_pmu *pmu); 30*28917cb1SIan Rogers bool evsel__is_drm(const struct evsel *evsel); 31*28917cb1SIan Rogers 32*28917cb1SIan Rogers int perf_pmus__read_drm_pmus(struct list_head *pmus); 33*28917cb1SIan Rogers 34*28917cb1SIan Rogers int evsel__drm_pmu_open(struct evsel *evsel, 35*28917cb1SIan Rogers struct perf_thread_map *threads, 36*28917cb1SIan Rogers int start_cpu_map_idx, int end_cpu_map_idx); 37*28917cb1SIan Rogers int evsel__drm_pmu_read(struct evsel *evsel, int cpu_map_idx, int thread); 38*28917cb1SIan Rogers 39*28917cb1SIan Rogers #endif /* __DRM_PMU_H */ 40