Commit | Line | Data |
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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> |
07ac002f | 6 | #include <stddef.h> |
d2709c7c | 7 | #include <linux/perf_event.h> |
69aad6f1 ACM |
8 | #include "types.h" |
9 | #include "xyarray.h" | |
023695d9 | 10 | #include "cgroup.h" |
e248de33 | 11 | #include "hist.h" |
c52b12ed ACM |
12 | |
13 | struct perf_counts_values { | |
14 | union { | |
15 | struct { | |
16 | u64 val; | |
17 | u64 ena; | |
18 | u64 run; | |
19 | }; | |
20 | u64 values[3]; | |
21 | }; | |
22 | }; | |
23 | ||
24 | struct perf_counts { | |
25 | s8 scaled; | |
26 | struct perf_counts_values aggr; | |
27 | struct perf_counts_values cpu[]; | |
28 | }; | |
69aad6f1 | 29 | |
70db7533 ACM |
30 | struct perf_evsel; |
31 | ||
32 | /* | |
33 | * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are | |
34 | * more than one entry in the evlist. | |
35 | */ | |
36 | struct perf_sample_id { | |
37 | struct hlist_node node; | |
38 | u64 id; | |
39 | struct perf_evsel *evsel; | |
40 | }; | |
41 | ||
f0c55bcf SE |
42 | /** struct perf_evsel - event selector |
43 | * | |
44 | * @name - Can be set to retain the original event name passed by the user, | |
45 | * so that when showing results in tools such as 'perf stat', we | |
46 | * show the name used, not some alias. | |
47 | */ | |
69aad6f1 ACM |
48 | struct perf_evsel { |
49 | struct list_head node; | |
50 | struct perf_event_attr attr; | |
51 | char *filter; | |
52 | struct xyarray *fd; | |
a91e5431 ACM |
53 | struct xyarray *sample_id; |
54 | u64 *id; | |
c52b12ed | 55 | struct perf_counts *counts; |
c7a79c47 | 56 | struct perf_counts *prev_raw_counts; |
69aad6f1 | 57 | int idx; |
f4d83436 | 58 | u32 ids; |
e248de33 | 59 | struct hists hists; |
f0c55bcf | 60 | char *name; |
fcf65bf1 | 61 | struct event_format *tp_format; |
a91e5431 ACM |
62 | union { |
63 | void *priv; | |
64 | off_t id_offset; | |
65 | }; | |
023695d9 | 66 | struct cgroup_sel *cgrp; |
ee29be62 ACM |
67 | struct { |
68 | void *func; | |
69 | void *data; | |
70 | } handler; | |
7ae92e74 | 71 | struct cpu_map *cpus; |
bde09467 | 72 | unsigned int sample_size; |
2cee77c4 | 73 | bool supported; |
0807d2d8 | 74 | bool needs_swap; |
f5b1135b JO |
75 | /* parse modifier helper */ |
76 | int exclude_GH; | |
97f63e4a | 77 | int nr_members; |
6a4bb04c JO |
78 | struct perf_evsel *leader; |
79 | char *group_name; | |
69aad6f1 ACM |
80 | }; |
81 | ||
86bd5e86 ACM |
82 | struct cpu_map; |
83 | struct thread_map; | |
70082dd9 | 84 | struct perf_evlist; |
0f82ebc4 | 85 | struct perf_record_opts; |
86bd5e86 | 86 | |
23a2f3ab | 87 | struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx); |
efd2b924 | 88 | struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx); |
201b7334 ACM |
89 | |
90 | struct event_format *event_format__new(const char *sys, const char *name); | |
91 | ||
ef1d1af2 ACM |
92 | void perf_evsel__init(struct perf_evsel *evsel, |
93 | struct perf_event_attr *attr, int idx); | |
94 | void perf_evsel__exit(struct perf_evsel *evsel); | |
69aad6f1 ACM |
95 | void perf_evsel__delete(struct perf_evsel *evsel); |
96 | ||
0f82ebc4 | 97 | void perf_evsel__config(struct perf_evsel *evsel, |
cac21425 | 98 | struct perf_record_opts *opts); |
0f82ebc4 | 99 | |
0b668bc9 ACM |
100 | bool perf_evsel__is_cache_op_valid(u8 type, u8 op); |
101 | ||
102 | #define PERF_EVSEL__MAX_ALIASES 8 | |
103 | ||
104 | extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX] | |
105 | [PERF_EVSEL__MAX_ALIASES]; | |
106 | extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX] | |
107 | [PERF_EVSEL__MAX_ALIASES]; | |
8ad7013b ACM |
108 | extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX] |
109 | [PERF_EVSEL__MAX_ALIASES]; | |
110 | extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX]; | |
111 | extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX]; | |
0b668bc9 ACM |
112 | int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, |
113 | char *bf, size_t size); | |
7289f83c | 114 | const char *perf_evsel__name(struct perf_evsel *evsel); |
c410431c | 115 | |
69aad6f1 | 116 | int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads); |
70db7533 | 117 | int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads); |
c52b12ed | 118 | int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus); |
69aad6f1 | 119 | void perf_evsel__free_fd(struct perf_evsel *evsel); |
70db7533 | 120 | void perf_evsel__free_id(struct perf_evsel *evsel); |
43f8e76e | 121 | void perf_evsel__free_counts(struct perf_evsel *evsel); |
c52b12ed | 122 | void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads); |
69aad6f1 | 123 | |
7be5ebe8 ACM |
124 | void __perf_evsel__set_sample_bit(struct perf_evsel *evsel, |
125 | enum perf_event_sample_format bit); | |
126 | void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel, | |
127 | enum perf_event_sample_format bit); | |
128 | ||
129 | #define perf_evsel__set_sample_bit(evsel, bit) \ | |
130 | __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit) | |
131 | ||
132 | #define perf_evsel__reset_sample_bit(evsel, bit) \ | |
133 | __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit) | |
134 | ||
7a5a5ca5 ACM |
135 | void perf_evsel__set_sample_id(struct perf_evsel *evsel); |
136 | ||
745cefc5 ACM |
137 | int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads, |
138 | const char *filter); | |
139 | ||
f08199d3 | 140 | int perf_evsel__open_per_cpu(struct perf_evsel *evsel, |
6a4bb04c | 141 | struct cpu_map *cpus); |
f08199d3 | 142 | int perf_evsel__open_per_thread(struct perf_evsel *evsel, |
6a4bb04c | 143 | struct thread_map *threads); |
f08199d3 | 144 | int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus, |
6a4bb04c | 145 | struct thread_map *threads); |
727ab04e | 146 | void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads); |
48290609 | 147 | |
5555ded4 ACM |
148 | struct perf_sample; |
149 | ||
5d2074ea | 150 | void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample, |
5555ded4 ACM |
151 | const char *name); |
152 | u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample, | |
153 | const char *name); | |
154 | ||
5d2074ea ACM |
155 | static inline char *perf_evsel__strval(struct perf_evsel *evsel, |
156 | struct perf_sample *sample, | |
157 | const char *name) | |
158 | { | |
159 | return perf_evsel__rawptr(evsel, sample, name); | |
160 | } | |
161 | ||
efd2b924 ACM |
162 | struct format_field; |
163 | ||
164 | struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name); | |
165 | ||
daec78a0 ACM |
166 | #define perf_evsel__match(evsel, t, c) \ |
167 | (evsel->attr.type == PERF_TYPE_##t && \ | |
168 | evsel->attr.config == PERF_COUNT_##c) | |
169 | ||
863e451f JO |
170 | static inline bool perf_evsel__match2(struct perf_evsel *e1, |
171 | struct perf_evsel *e2) | |
172 | { | |
173 | return (e1->attr.type == e2->attr.type) && | |
174 | (e1->attr.config == e2->attr.config); | |
175 | } | |
176 | ||
c52b12ed ACM |
177 | int __perf_evsel__read_on_cpu(struct perf_evsel *evsel, |
178 | int cpu, int thread, bool scale); | |
179 | ||
180 | /** | |
181 | * perf_evsel__read_on_cpu - Read out the results on a CPU and thread | |
182 | * | |
183 | * @evsel - event selector to read value | |
184 | * @cpu - CPU of interest | |
185 | * @thread - thread of interest | |
186 | */ | |
187 | static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel, | |
188 | int cpu, int thread) | |
189 | { | |
190 | return __perf_evsel__read_on_cpu(evsel, cpu, thread, false); | |
191 | } | |
192 | ||
193 | /** | |
194 | * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled | |
195 | * | |
196 | * @evsel - event selector to read value | |
197 | * @cpu - CPU of interest | |
198 | * @thread - thread of interest | |
199 | */ | |
200 | static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel, | |
201 | int cpu, int thread) | |
202 | { | |
203 | return __perf_evsel__read_on_cpu(evsel, cpu, thread, true); | |
204 | } | |
205 | ||
206 | int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads, | |
207 | bool scale); | |
208 | ||
209 | /** | |
210 | * perf_evsel__read - Read the aggregate results on all CPUs | |
211 | * | |
212 | * @evsel - event selector to read value | |
213 | * @ncpus - Number of cpus affected, from zero | |
214 | * @nthreads - Number of threads affected, from zero | |
215 | */ | |
216 | static inline int perf_evsel__read(struct perf_evsel *evsel, | |
217 | int ncpus, int nthreads) | |
218 | { | |
219 | return __perf_evsel__read(evsel, ncpus, nthreads, false); | |
220 | } | |
221 | ||
222 | /** | |
223 | * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled | |
224 | * | |
225 | * @evsel - event selector to read value | |
226 | * @ncpus - Number of cpus affected, from zero | |
227 | * @nthreads - Number of threads affected, from zero | |
228 | */ | |
229 | static inline int perf_evsel__read_scaled(struct perf_evsel *evsel, | |
230 | int ncpus, int nthreads) | |
231 | { | |
232 | return __perf_evsel__read(evsel, ncpus, nthreads, true); | |
233 | } | |
234 | ||
4bf9ce1b JO |
235 | void hists__init(struct hists *hists); |
236 | ||
a3f698fe | 237 | int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event, |
0807d2d8 | 238 | struct perf_sample *sample); |
0c21f736 ACM |
239 | |
240 | static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel) | |
241 | { | |
242 | return list_entry(evsel->node.next, struct perf_evsel, node); | |
243 | } | |
07ac002f | 244 | |
823254ed | 245 | static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel) |
07ac002f | 246 | { |
823254ed | 247 | return evsel->leader == evsel; |
07ac002f | 248 | } |
0698aedd ACM |
249 | |
250 | struct perf_attr_details { | |
251 | bool freq; | |
252 | bool verbose; | |
253 | }; | |
254 | ||
255 | int perf_evsel__fprintf(struct perf_evsel *evsel, | |
256 | struct perf_attr_details *details, FILE *fp); | |
c0a54341 ACM |
257 | |
258 | bool perf_evsel__fallback(struct perf_evsel *evsel, int err, | |
259 | char *msg, size_t msgsize); | |
56e52e85 ACM |
260 | int perf_evsel__open_strerror(struct perf_evsel *evsel, |
261 | struct perf_target *target, | |
262 | int err, char *msg, size_t size); | |
97f63e4a NK |
263 | |
264 | static inline int perf_evsel__group_idx(struct perf_evsel *evsel) | |
265 | { | |
266 | return evsel->idx - evsel->leader->idx; | |
267 | } | |
69aad6f1 | 268 | #endif /* __PERF_EVSEL_H */ |