mirror of https://github.com/torvalds/linux.git
40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
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#ifndef __DRM_PMU_H
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#define __DRM_PMU_H
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/*
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* Linux DRM clients expose information through usage stats as documented in
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* Documentation/gpu/drm-usage-stats.rst (available online at
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* https://docs.kernel.org/gpu/drm-usage-stats.html). This is a tool like PMU
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* that exposes DRM information.
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*/
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#include "pmu.h"
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#include <stdbool.h>
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struct list_head;
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struct perf_thread_map;
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void drm_pmu__exit(struct perf_pmu *pmu);
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bool drm_pmu__have_event(const struct perf_pmu *pmu, const char *name);
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int drm_pmu__for_each_event(const struct perf_pmu *pmu, void *state, pmu_event_callback cb);
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size_t drm_pmu__num_events(const struct perf_pmu *pmu);
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int drm_pmu__config_terms(const struct perf_pmu *pmu,
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struct perf_event_attr *attr,
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struct parse_events_terms *terms,
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struct parse_events_error *err);
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int drm_pmu__check_alias(const struct perf_pmu *pmu, struct parse_events_terms *terms,
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struct perf_pmu_info *info, struct parse_events_error *err);
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bool perf_pmu__is_drm(const struct perf_pmu *pmu);
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bool evsel__is_drm(const struct evsel *evsel);
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int perf_pmus__read_drm_pmus(struct list_head *pmus);
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int evsel__drm_pmu_open(struct evsel *evsel,
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struct perf_thread_map *threads,
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int start_cpu_map_idx, int end_cpu_map_idx);
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int evsel__drm_pmu_read(struct evsel *evsel, int cpu_map_idx, int thread);
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#endif /* __DRM_PMU_H */
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