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69aad6f1 ACM |
1 | #ifndef __PERF_EVSEL_H |
2 | #define __PERF_EVSEL_H 1 | |
3 | ||
4 | #include <linux/list.h> | |
c52b12ed | 5 | #include <stdbool.h> |
d030260a | 6 | #include "../../../include/linux/perf_event.h" |
69aad6f1 ACM |
7 | #include "types.h" |
8 | #include "xyarray.h" | |
023695d9 | 9 | #include "cgroup.h" |
e248de33 | 10 | #include "hist.h" |
c52b12ed ACM |
11 | |
12 | struct perf_counts_values { | |
13 | union { | |
14 | struct { | |
15 | u64 val; | |
16 | u64 ena; | |
17 | u64 run; | |
18 | }; | |
19 | u64 values[3]; | |
20 | }; | |
21 | }; | |
22 | ||
23 | struct perf_counts { | |
24 | s8 scaled; | |
25 | struct perf_counts_values aggr; | |
26 | struct perf_counts_values cpu[]; | |
27 | }; | |
69aad6f1 | 28 | |
70db7533 ACM |
29 | struct perf_evsel; |
30 | ||
31 | /* | |
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. | |
34 | */ | |
35 | struct perf_sample_id { | |
36 | struct hlist_node node; | |
37 | u64 id; | |
38 | struct perf_evsel *evsel; | |
39 | }; | |
40 | ||
f0c55bcf SE |
41 | /** struct perf_evsel - event selector |
42 | * | |
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. | |
46 | */ | |
69aad6f1 ACM |
47 | struct perf_evsel { |
48 | struct list_head node; | |
49 | struct perf_event_attr attr; | |
50 | char *filter; | |
51 | struct xyarray *fd; | |
a91e5431 ACM |
52 | struct xyarray *sample_id; |
53 | u64 *id; | |
c52b12ed | 54 | struct perf_counts *counts; |
69aad6f1 | 55 | int idx; |
a91e5431 | 56 | int ids; |
e248de33 | 57 | struct hists hists; |
f0c55bcf | 58 | char *name; |
a91e5431 ACM |
59 | union { |
60 | void *priv; | |
61 | off_t id_offset; | |
62 | }; | |
023695d9 | 63 | struct cgroup_sel *cgrp; |
ee29be62 ACM |
64 | struct { |
65 | void *func; | |
66 | void *data; | |
67 | } handler; | |
2cee77c4 | 68 | bool supported; |
69aad6f1 ACM |
69 | }; |
70 | ||
86bd5e86 ACM |
71 | struct cpu_map; |
72 | struct thread_map; | |
70082dd9 | 73 | struct perf_evlist; |
0f82ebc4 | 74 | struct perf_record_opts; |
86bd5e86 | 75 | |
23a2f3ab | 76 | struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx); |
ef1d1af2 ACM |
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); | |
69aad6f1 ACM |
80 | void perf_evsel__delete(struct perf_evsel *evsel); |
81 | ||
0f82ebc4 | 82 | void perf_evsel__config(struct perf_evsel *evsel, |
5090c6ae NK |
83 | struct perf_record_opts *opts, |
84 | struct perf_evsel *first); | |
0f82ebc4 | 85 | |
69aad6f1 | 86 | int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads); |
70db7533 | 87 | int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads); |
c52b12ed | 88 | int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus); |
69aad6f1 | 89 | void perf_evsel__free_fd(struct perf_evsel *evsel); |
70db7533 | 90 | void perf_evsel__free_id(struct perf_evsel *evsel); |
c52b12ed | 91 | void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads); |
69aad6f1 | 92 | |
f08199d3 | 93 | int perf_evsel__open_per_cpu(struct perf_evsel *evsel, |
727ab04e ACM |
94 | struct cpu_map *cpus, bool group, |
95 | struct xyarray *group_fds); | |
f08199d3 | 96 | int perf_evsel__open_per_thread(struct perf_evsel *evsel, |
727ab04e ACM |
97 | struct thread_map *threads, bool group, |
98 | struct xyarray *group_fds); | |
f08199d3 | 99 | int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus, |
727ab04e ACM |
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); | |
48290609 | 103 | |
daec78a0 ACM |
104 | #define perf_evsel__match(evsel, t, c) \ |
105 | (evsel->attr.type == PERF_TYPE_##t && \ | |
106 | evsel->attr.config == PERF_COUNT_##c) | |
107 | ||
c52b12ed ACM |
108 | int __perf_evsel__read_on_cpu(struct perf_evsel *evsel, |
109 | int cpu, int thread, bool scale); | |
110 | ||
111 | /** | |
112 | * perf_evsel__read_on_cpu - Read out the results on a CPU and thread | |
113 | * | |
114 | * @evsel - event selector to read value | |
115 | * @cpu - CPU of interest | |
116 | * @thread - thread of interest | |
117 | */ | |
118 | static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel, | |
119 | int cpu, int thread) | |
120 | { | |
121 | return __perf_evsel__read_on_cpu(evsel, cpu, thread, false); | |
122 | } | |
123 | ||
124 | /** | |
125 | * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled | |
126 | * | |
127 | * @evsel - event selector to read value | |
128 | * @cpu - CPU of interest | |
129 | * @thread - thread of interest | |
130 | */ | |
131 | static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel, | |
132 | int cpu, int thread) | |
133 | { | |
134 | return __perf_evsel__read_on_cpu(evsel, cpu, thread, true); | |
135 | } | |
136 | ||
137 | int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads, | |
138 | bool scale); | |
139 | ||
140 | /** | |
141 | * perf_evsel__read - Read the aggregate results on all CPUs | |
142 | * | |
143 | * @evsel - event selector to read value | |
144 | * @ncpus - Number of cpus affected, from zero | |
145 | * @nthreads - Number of threads affected, from zero | |
146 | */ | |
147 | static inline int perf_evsel__read(struct perf_evsel *evsel, | |
148 | int ncpus, int nthreads) | |
149 | { | |
150 | return __perf_evsel__read(evsel, ncpus, nthreads, false); | |
151 | } | |
152 | ||
153 | /** | |
154 | * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled | |
155 | * | |
156 | * @evsel - event selector to read value | |
157 | * @ncpus - Number of cpus affected, from zero | |
158 | * @nthreads - Number of threads affected, from zero | |
159 | */ | |
160 | static inline int perf_evsel__read_scaled(struct perf_evsel *evsel, | |
161 | int ncpus, int nthreads) | |
162 | { | |
163 | return __perf_evsel__read(evsel, ncpus, nthreads, true); | |
164 | } | |
165 | ||
c2a70653 ACM |
166 | int __perf_evsel__sample_size(u64 sample_type); |
167 | ||
168 | static inline int perf_evsel__sample_size(struct perf_evsel *evsel) | |
169 | { | |
170 | return __perf_evsel__sample_size(evsel->attr.sample_type); | |
171 | } | |
172 | ||
4bf9ce1b JO |
173 | void hists__init(struct hists *hists); |
174 | ||
69aad6f1 | 175 | #endif /* __PERF_EVSEL_H */ |