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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" | |
c52b12ed ACM |
9 | |
10 | struct perf_counts_values { | |
11 | union { | |
12 | struct { | |
13 | u64 val; | |
14 | u64 ena; | |
15 | u64 run; | |
16 | }; | |
17 | u64 values[3]; | |
18 | }; | |
19 | }; | |
20 | ||
21 | struct perf_counts { | |
22 | s8 scaled; | |
23 | struct perf_counts_values aggr; | |
24 | struct perf_counts_values cpu[]; | |
25 | }; | |
69aad6f1 ACM |
26 | |
27 | struct perf_evsel { | |
28 | struct list_head node; | |
29 | struct perf_event_attr attr; | |
30 | char *filter; | |
31 | struct xyarray *fd; | |
c52b12ed | 32 | struct perf_counts *counts; |
69aad6f1 ACM |
33 | int idx; |
34 | void *priv; | |
35 | }; | |
36 | ||
86bd5e86 ACM |
37 | struct cpu_map; |
38 | struct thread_map; | |
39 | ||
69aad6f1 ACM |
40 | struct perf_evsel *perf_evsel__new(u32 type, u64 config, int idx); |
41 | void perf_evsel__delete(struct perf_evsel *evsel); | |
42 | ||
43 | int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads); | |
c52b12ed | 44 | int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus); |
69aad6f1 | 45 | void perf_evsel__free_fd(struct perf_evsel *evsel); |
c52b12ed | 46 | void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads); |
69aad6f1 | 47 | |
86bd5e86 ACM |
48 | int perf_evsel__open_per_cpu(struct perf_evsel *evsel, struct cpu_map *cpus); |
49 | int perf_evsel__open_per_thread(struct perf_evsel *evsel, struct thread_map *threads); | |
50 | int perf_evsel__open(struct perf_evsel *evsel, | |
51 | struct cpu_map *cpus, struct thread_map *threads); | |
48290609 | 52 | |
daec78a0 ACM |
53 | #define perf_evsel__match(evsel, t, c) \ |
54 | (evsel->attr.type == PERF_TYPE_##t && \ | |
55 | evsel->attr.config == PERF_COUNT_##c) | |
56 | ||
c52b12ed ACM |
57 | int __perf_evsel__read_on_cpu(struct perf_evsel *evsel, |
58 | int cpu, int thread, bool scale); | |
59 | ||
60 | /** | |
61 | * perf_evsel__read_on_cpu - Read out the results on a CPU and thread | |
62 | * | |
63 | * @evsel - event selector to read value | |
64 | * @cpu - CPU of interest | |
65 | * @thread - thread of interest | |
66 | */ | |
67 | static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel, | |
68 | int cpu, int thread) | |
69 | { | |
70 | return __perf_evsel__read_on_cpu(evsel, cpu, thread, false); | |
71 | } | |
72 | ||
73 | /** | |
74 | * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled | |
75 | * | |
76 | * @evsel - event selector to read value | |
77 | * @cpu - CPU of interest | |
78 | * @thread - thread of interest | |
79 | */ | |
80 | static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel, | |
81 | int cpu, int thread) | |
82 | { | |
83 | return __perf_evsel__read_on_cpu(evsel, cpu, thread, true); | |
84 | } | |
85 | ||
86 | int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads, | |
87 | bool scale); | |
88 | ||
89 | /** | |
90 | * perf_evsel__read - Read the aggregate results on all CPUs | |
91 | * | |
92 | * @evsel - event selector to read value | |
93 | * @ncpus - Number of cpus affected, from zero | |
94 | * @nthreads - Number of threads affected, from zero | |
95 | */ | |
96 | static inline int perf_evsel__read(struct perf_evsel *evsel, | |
97 | int ncpus, int nthreads) | |
98 | { | |
99 | return __perf_evsel__read(evsel, ncpus, nthreads, false); | |
100 | } | |
101 | ||
102 | /** | |
103 | * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled | |
104 | * | |
105 | * @evsel - event selector to read value | |
106 | * @ncpus - Number of cpus affected, from zero | |
107 | * @nthreads - Number of threads affected, from zero | |
108 | */ | |
109 | static inline int perf_evsel__read_scaled(struct perf_evsel *evsel, | |
110 | int ncpus, int nthreads) | |
111 | { | |
112 | return __perf_evsel__read(evsel, ncpus, nthreads, true); | |
113 | } | |
114 | ||
69aad6f1 | 115 | #endif /* __PERF_EVSEL_H */ |