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
,
49 struct cpu_map
*cpus
, bool group
, bool inherit
);
50 int perf_evsel__open_per_thread(struct perf_evsel
*evsel
,
51 struct thread_map
*threads
, bool group
, bool inherit
);
52 int perf_evsel__open(struct perf_evsel
*evsel
, struct cpu_map
*cpus
,
53 struct thread_map
*threads
, bool group
, bool inherit
);
55 #define perf_evsel__match(evsel, t, c) \
56 (evsel->attr.type == PERF_TYPE_##t && \
57 evsel->attr.config == PERF_COUNT_##c)
59 int __perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
60 int cpu
, int thread
, bool scale
);
63 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
65 * @evsel - event selector to read value
66 * @cpu - CPU of interest
67 * @thread - thread of interest
69 static inline int perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
72 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, false);
76 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
78 * @evsel - event selector to read value
79 * @cpu - CPU of interest
80 * @thread - thread of interest
82 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel
*evsel
,
85 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, true);
88 int __perf_evsel__read(struct perf_evsel
*evsel
, int ncpus
, int nthreads
,
92 * perf_evsel__read - Read the aggregate results on all CPUs
94 * @evsel - event selector to read value
95 * @ncpus - Number of cpus affected, from zero
96 * @nthreads - Number of threads affected, from zero
98 static inline int perf_evsel__read(struct perf_evsel
*evsel
,
99 int ncpus
, int nthreads
)
101 return __perf_evsel__read(evsel
, ncpus
, nthreads
, false);
105 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
107 * @evsel - event selector to read value
108 * @ncpus - Number of cpus affected, from zero
109 * @nthreads - Number of threads affected, from zero
111 static inline int perf_evsel__read_scaled(struct perf_evsel
*evsel
,
112 int ncpus
, int nthreads
)
114 return __perf_evsel__read(evsel
, ncpus
, nthreads
, true);
117 #endif /* __PERF_EVSEL_H */