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
[];
30 * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
31 * more than one entry in the evlist.
33 struct perf_sample_id
{
34 struct hlist_node node
;
36 struct perf_evsel
*evsel
;
40 struct list_head node
;
41 struct perf_event_attr attr
;
45 struct perf_counts
*counts
;
54 struct perf_evsel
*perf_evsel__new(struct perf_event_attr
*attr
, int idx
);
55 void perf_evsel__init(struct perf_evsel
*evsel
,
56 struct perf_event_attr
*attr
, int idx
);
57 void perf_evsel__exit(struct perf_evsel
*evsel
);
58 void perf_evsel__delete(struct perf_evsel
*evsel
);
60 int perf_evsel__alloc_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
61 int perf_evsel__alloc_id(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
62 int perf_evsel__alloc_counts(struct perf_evsel
*evsel
, int ncpus
);
63 void perf_evsel__free_fd(struct perf_evsel
*evsel
);
64 void perf_evsel__free_id(struct perf_evsel
*evsel
);
65 void perf_evsel__close_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
67 int perf_evsel__open_per_cpu(struct perf_evsel
*evsel
,
68 struct cpu_map
*cpus
, bool group
, bool inherit
);
69 int perf_evsel__open_per_thread(struct perf_evsel
*evsel
,
70 struct thread_map
*threads
, bool group
, bool inherit
);
71 int perf_evsel__open(struct perf_evsel
*evsel
, struct cpu_map
*cpus
,
72 struct thread_map
*threads
, bool group
, bool inherit
);
74 #define perf_evsel__match(evsel, t, c) \
75 (evsel->attr.type == PERF_TYPE_##t && \
76 evsel->attr.config == PERF_COUNT_##c)
78 int __perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
79 int cpu
, int thread
, bool scale
);
82 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
84 * @evsel - event selector to read value
85 * @cpu - CPU of interest
86 * @thread - thread of interest
88 static inline int perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
91 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, false);
95 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
97 * @evsel - event selector to read value
98 * @cpu - CPU of interest
99 * @thread - thread of interest
101 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel
*evsel
,
104 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, true);
107 int __perf_evsel__read(struct perf_evsel
*evsel
, int ncpus
, int nthreads
,
111 * perf_evsel__read - Read the aggregate results on all CPUs
113 * @evsel - event selector to read value
114 * @ncpus - Number of cpus affected, from zero
115 * @nthreads - Number of threads affected, from zero
117 static inline int perf_evsel__read(struct perf_evsel
*evsel
,
118 int ncpus
, int nthreads
)
120 return __perf_evsel__read(evsel
, ncpus
, nthreads
, false);
124 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
126 * @evsel - event selector to read value
127 * @ncpus - Number of cpus affected, from zero
128 * @nthreads - Number of threads affected, from zero
130 static inline int perf_evsel__read_scaled(struct perf_evsel
*evsel
,
131 int ncpus
, int nthreads
)
133 return __perf_evsel__read(evsel
, ncpus
, nthreads
, true);
136 #endif /* __PERF_EVSEL_H */