diff options
author | Ingo Molnar <mingo@kernel.org> | 2020-02-24 13:36:09 +0300 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2020-02-24 13:36:09 +0300 |
commit | 546121b65f47384e11ec1fa2e55449fc9f4846b2 (patch) | |
tree | 8f18470ec7c0c77b0f48eb1b2338e591b0b0aaff /tools/lib/perf/include/internal/evsel.h | |
parent | 000619680c3714020ce9db17eef6a4a7ce2dc28b (diff) | |
parent | f8788d86ab28f61f7b46eb6be375f8a726783636 (diff) | |
download | linux-546121b65f47384e11ec1fa2e55449fc9f4846b2.tar.xz |
Merge tag 'v5.6-rc3' into sched/core, to pick up fixes and dependent patches
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/lib/perf/include/internal/evsel.h')
-rw-r--r-- | tools/lib/perf/include/internal/evsel.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/tools/lib/perf/include/internal/evsel.h b/tools/lib/perf/include/internal/evsel.h new file mode 100644 index 000000000000..1ffd083b235e --- /dev/null +++ b/tools/lib/perf/include/internal/evsel.h @@ -0,0 +1,63 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __LIBPERF_INTERNAL_EVSEL_H +#define __LIBPERF_INTERNAL_EVSEL_H + +#include <linux/types.h> +#include <linux/perf_event.h> +#include <stdbool.h> +#include <sys/types.h> + +struct perf_cpu_map; +struct perf_thread_map; +struct xyarray; + +/* + * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are + * more than one entry in the evlist. + */ +struct perf_sample_id { + struct hlist_node node; + u64 id; + struct perf_evsel *evsel; + /* + * 'idx' will be used for AUX area sampling. A sample will have AUX area + * data that will be queued for decoding, where there are separate + * queues for each CPU (per-cpu tracing) or task (per-thread tracing). + * The sample ID can be used to lookup 'idx' which is effectively the + * queue number. + */ + int idx; + int cpu; + pid_t tid; + + /* Holds total ID period value for PERF_SAMPLE_READ processing. */ + u64 period; +}; + +struct perf_evsel { + struct list_head node; + struct perf_event_attr attr; + struct perf_cpu_map *cpus; + struct perf_cpu_map *own_cpus; + struct perf_thread_map *threads; + struct xyarray *fd; + struct xyarray *sample_id; + u64 *id; + u32 ids; + + /* parse modifier helper */ + int nr_members; + bool system_wide; +}; + +void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr); +int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads); +void perf_evsel__close_fd(struct perf_evsel *evsel); +void perf_evsel__free_fd(struct perf_evsel *evsel); +int perf_evsel__read_size(struct perf_evsel *evsel); +int perf_evsel__apply_filter(struct perf_evsel *evsel, const char *filter); + +int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads); +void perf_evsel__free_id(struct perf_evsel *evsel); + +#endif /* __LIBPERF_INTERNAL_EVSEL_H */ |