]>
git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - tools/perf/util/evsel.h
2 #define __PERF_EVSEL_H 1
4 #include <linux/list.h>
6 #include "../../../include/linux/perf_event.h"
12 struct perf_counts_values
{
25 struct perf_counts_values aggr
;
26 struct perf_counts_values cpu
[];
32 * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
33 * more than one entry in the evlist.
35 struct perf_sample_id
{
36 struct hlist_node node
;
38 struct perf_evsel
*evsel
;
41 /** struct perf_evsel - event selector
43 * @name - Can be set to retain the original event name passed by the user,
44 * so that when showing results in tools such as 'perf stat', we
45 * show the name used, not some alias.
48 struct list_head node
;
49 struct perf_event_attr attr
;
52 struct xyarray
*sample_id
;
54 struct perf_counts
*counts
;
63 struct cgroup_sel
*cgrp
;
74 struct perf_record_opts
;
76 struct perf_evsel
*perf_evsel__new(struct perf_event_attr
*attr
, int idx
);
77 void perf_evsel__init(struct perf_evsel
*evsel
,
78 struct perf_event_attr
*attr
, int idx
);
79 void perf_evsel__exit(struct perf_evsel
*evsel
);
80 void perf_evsel__delete(struct perf_evsel
*evsel
);
82 void perf_evsel__config(struct perf_evsel
*evsel
,
83 struct perf_record_opts
*opts
,
84 struct perf_evsel
*first
);
86 int perf_evsel__alloc_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
87 int perf_evsel__alloc_id(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
88 int perf_evsel__alloc_counts(struct perf_evsel
*evsel
, int ncpus
);
89 void perf_evsel__free_fd(struct perf_evsel
*evsel
);
90 void perf_evsel__free_id(struct perf_evsel
*evsel
);
91 void perf_evsel__close_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
93 int perf_evsel__open_per_cpu(struct perf_evsel
*evsel
,
94 struct cpu_map
*cpus
, bool group
,
95 struct xyarray
*group_fds
);
96 int perf_evsel__open_per_thread(struct perf_evsel
*evsel
,
97 struct thread_map
*threads
, bool group
,
98 struct xyarray
*group_fds
);
99 int perf_evsel__open(struct perf_evsel
*evsel
, struct cpu_map
*cpus
,
100 struct thread_map
*threads
, bool group
,
101 struct xyarray
*group_fds
);
102 void perf_evsel__close(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
104 #define perf_evsel__match(evsel, t, c) \
105 (evsel->attr.type == PERF_TYPE_##t && \
106 evsel->attr.config == PERF_COUNT_##c)
108 int __perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
109 int cpu
, int thread
, bool scale
);
112 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
114 * @evsel - event selector to read value
115 * @cpu - CPU of interest
116 * @thread - thread of interest
118 static inline int perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
121 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, false);
125 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
127 * @evsel - event selector to read value
128 * @cpu - CPU of interest
129 * @thread - thread of interest
131 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel
*evsel
,
134 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, true);
137 int __perf_evsel__read(struct perf_evsel
*evsel
, int ncpus
, int nthreads
,
141 * perf_evsel__read - Read the aggregate results on all CPUs
143 * @evsel - event selector to read value
144 * @ncpus - Number of cpus affected, from zero
145 * @nthreads - Number of threads affected, from zero
147 static inline int perf_evsel__read(struct perf_evsel
*evsel
,
148 int ncpus
, int nthreads
)
150 return __perf_evsel__read(evsel
, ncpus
, nthreads
, false);
154 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
156 * @evsel - event selector to read value
157 * @ncpus - Number of cpus affected, from zero
158 * @nthreads - Number of threads affected, from zero
160 static inline int perf_evsel__read_scaled(struct perf_evsel
*evsel
,
161 int ncpus
, int nthreads
)
163 return __perf_evsel__read(evsel
, ncpus
, nthreads
, true);
166 int __perf_evsel__sample_size(u64 sample_type
);
168 static inline int perf_evsel__sample_size(struct perf_evsel
*evsel
)
170 return __perf_evsel__sample_size(evsel
->attr
.sample_type
);
173 void hists__init(struct hists
*hists
);
175 #endif /* __PERF_EVSEL_H */