| #ifndef __PERF_EVSEL_H |
| #define __PERF_EVSEL_H 1 |
| |
| #include <linux/list.h> |
| #include <stdbool.h> |
| #include <linux/perf_event.h> |
| #include "types.h" |
| #include "xyarray.h" |
| |
| struct perf_counts_values { |
| union { |
| struct { |
| u64 val; |
| u64 ena; |
| u64 run; |
| }; |
| u64 values[3]; |
| }; |
| }; |
| |
| struct perf_counts { |
| s8 scaled; |
| struct perf_counts_values aggr; |
| struct perf_counts_values cpu[]; |
| }; |
| |
| struct perf_evsel { |
| struct list_head node; |
| struct perf_event_attr attr; |
| char *filter; |
| struct xyarray *fd; |
| struct perf_counts *counts; |
| int idx; |
| void *priv; |
| }; |
| |
| struct cpu_map; |
| struct thread_map; |
| |
| struct perf_evsel *perf_evsel__new(u32 type, u64 config, int idx); |
| void perf_evsel__delete(struct perf_evsel *evsel); |
| |
| int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads); |
| int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus); |
| void perf_evsel__free_fd(struct perf_evsel *evsel); |
| void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads); |
| |
| int perf_evsel__open_per_cpu(struct perf_evsel *evsel, struct cpu_map *cpus); |
| int perf_evsel__open_per_thread(struct perf_evsel *evsel, struct thread_map *threads); |
| int perf_evsel__open(struct perf_evsel *evsel, |
| struct cpu_map *cpus, struct thread_map *threads); |
| |
| #define perf_evsel__match(evsel, t, c) \ |
| (evsel->attr.type == PERF_TYPE_##t && \ |
| evsel->attr.config == PERF_COUNT_##c) |
| |
| int __perf_evsel__read_on_cpu(struct perf_evsel *evsel, |
| int cpu, int thread, bool scale); |
| |
| /** |
| * perf_evsel__read_on_cpu - Read out the results on a CPU and thread |
| * |
| * @evsel - event selector to read value |
| * @cpu - CPU of interest |
| * @thread - thread of interest |
| */ |
| static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel, |
| int cpu, int thread) |
| { |
| return __perf_evsel__read_on_cpu(evsel, cpu, thread, false); |
| } |
| |
| /** |
| * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled |
| * |
| * @evsel - event selector to read value |
| * @cpu - CPU of interest |
| * @thread - thread of interest |
| */ |
| static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel, |
| int cpu, int thread) |
| { |
| return __perf_evsel__read_on_cpu(evsel, cpu, thread, true); |
| } |
| |
| int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads, |
| bool scale); |
| |
| /** |
| * perf_evsel__read - Read the aggregate results on all CPUs |
| * |
| * @evsel - event selector to read value |
| * @ncpus - Number of cpus affected, from zero |
| * @nthreads - Number of threads affected, from zero |
| */ |
| static inline int perf_evsel__read(struct perf_evsel *evsel, |
| int ncpus, int nthreads) |
| { |
| return __perf_evsel__read(evsel, ncpus, nthreads, false); |
| } |
| |
| /** |
| * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled |
| * |
| * @evsel - event selector to read value |
| * @ncpus - Number of cpus affected, from zero |
| * @nthreads - Number of threads affected, from zero |
| */ |
| static inline int perf_evsel__read_scaled(struct perf_evsel *evsel, |
| int ncpus, int nthreads) |
| { |
| return __perf_evsel__read(evsel, ncpus, nthreads, true); |
| } |
| |
| #endif /* __PERF_EVSEL_H */ |