2 #define __PERF_EVSEL_H 1
4 #include <linux/list.h>
6 #include "../../../include/linux/perf_event.h"
10 struct perf_counts_values {
23 struct perf_counts_values aggr;
24 struct perf_counts_values cpu[];
28 struct list_head node;
29 struct perf_event_attr attr;
32 struct perf_counts *counts;
40 struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx);
41 void perf_evsel__delete(struct perf_evsel *evsel);
43 int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
44 int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
45 void perf_evsel__free_fd(struct perf_evsel *evsel);
46 void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
48 int perf_evsel__open_per_cpu(struct perf_evsel *evsel, struct cpu_map *cpus);
49 int perf_evsel__open_per_thread(struct perf_evsel *evsel, struct thread_map *threads);
50 int perf_evsel__open(struct perf_evsel *evsel,
51 struct cpu_map *cpus, struct thread_map *threads);
53 #define perf_evsel__match(evsel, t, c) \
54 (evsel->attr.type == PERF_TYPE_##t && \
55 evsel->attr.config == PERF_COUNT_##c)
57 int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
58 int cpu, int thread, bool scale);
61 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
63 * @evsel - event selector to read value
64 * @cpu - CPU of interest
65 * @thread - thread of interest
67 static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
70 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
74 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
76 * @evsel - event selector to read value
77 * @cpu - CPU of interest
78 * @thread - thread of interest
80 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
83 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
86 int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads,
90 * perf_evsel__read - Read the aggregate results on all CPUs
92 * @evsel - event selector to read value
93 * @ncpus - Number of cpus affected, from zero
94 * @nthreads - Number of threads affected, from zero
96 static inline int perf_evsel__read(struct perf_evsel *evsel,
97 int ncpus, int nthreads)
99 return __perf_evsel__read(evsel, ncpus, nthreads, false);
103 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
105 * @evsel - event selector to read value
106 * @ncpus - Number of cpus affected, from zero
107 * @nthreads - Number of threads affected, from zero
109 static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
110 int ncpus, int nthreads)
112 return __perf_evsel__read(evsel, ncpus, nthreads, true);
115 #endif /* __PERF_EVSEL_H */