2 #define __PERF_EVSEL_H 1
4 #include <linux/list.h>
6 #include "../../../include/linux/perf_event.h"
11 struct perf_counts_values
{
24 struct perf_counts_values aggr
;
25 struct perf_counts_values cpu
[];
31 * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
32 * more than one entry in the evlist.
34 struct perf_sample_id
{
35 struct hlist_node node
;
37 struct perf_evsel
*evsel
;
41 struct list_head node
;
42 struct perf_event_attr attr
;
46 struct perf_counts
*counts
;
49 struct cgroup_sel
*cgrp
;
56 struct perf_evsel
*perf_evsel__new(struct perf_event_attr
*attr
, int idx
);
57 void perf_evsel__init(struct perf_evsel
*evsel
,
58 struct perf_event_attr
*attr
, int idx
);
59 void perf_evsel__exit(struct perf_evsel
*evsel
);
60 void perf_evsel__delete(struct perf_evsel
*evsel
);
62 int perf_evsel__alloc_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
63 int perf_evsel__alloc_id(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
64 int perf_evsel__alloc_counts(struct perf_evsel
*evsel
, int ncpus
);
65 void perf_evsel__free_fd(struct perf_evsel
*evsel
);
66 void perf_evsel__free_id(struct perf_evsel
*evsel
);
67 void perf_evsel__close_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
69 int perf_evsel__open_per_cpu(struct perf_evsel
*evsel
,
70 struct cpu_map
*cpus
, bool group
, bool inherit
);
71 int perf_evsel__open_per_thread(struct perf_evsel
*evsel
,
72 struct thread_map
*threads
, bool group
, bool inherit
);
73 int perf_evsel__open(struct perf_evsel
*evsel
, struct cpu_map
*cpus
,
74 struct thread_map
*threads
, bool group
, bool inherit
);
76 #define perf_evsel__match(evsel, t, c) \
77 (evsel->attr.type == PERF_TYPE_##t && \
78 evsel->attr.config == PERF_COUNT_##c)
80 int __perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
81 int cpu
, int thread
, bool scale
);
84 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
86 * @evsel - event selector to read value
87 * @cpu - CPU of interest
88 * @thread - thread of interest
90 static inline int perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
93 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, false);
97 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
99 * @evsel - event selector to read value
100 * @cpu - CPU of interest
101 * @thread - thread of interest
103 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel
*evsel
,
106 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, true);
109 int __perf_evsel__read(struct perf_evsel
*evsel
, int ncpus
, int nthreads
,
113 * perf_evsel__read - Read the aggregate results on all CPUs
115 * @evsel - event selector to read value
116 * @ncpus - Number of cpus affected, from zero
117 * @nthreads - Number of threads affected, from zero
119 static inline int perf_evsel__read(struct perf_evsel
*evsel
,
120 int ncpus
, int nthreads
)
122 return __perf_evsel__read(evsel
, ncpus
, nthreads
, false);
126 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
128 * @evsel - event selector to read value
129 * @ncpus - Number of cpus affected, from zero
130 * @nthreads - Number of threads affected, from zero
132 static inline int perf_evsel__read_scaled(struct perf_evsel
*evsel
,
133 int ncpus
, int nthreads
)
135 return __perf_evsel__read(evsel
, ncpus
, nthreads
, true);
138 #endif /* __PERF_EVSEL_H */