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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" |
759ff497 | 12 | #include "symbol.h" |
c52b12ed ACM |
13 | |
14 | struct perf_counts_values { | |
15 | union { | |
16 | struct { | |
17 | u64 val; | |
18 | u64 ena; | |
19 | u64 run; | |
20 | }; | |
21 | u64 values[3]; | |
22 | }; | |
23 | }; | |
24 | ||
25 | struct perf_counts { | |
26 | s8 scaled; | |
27 | struct perf_counts_values aggr; | |
28 | struct perf_counts_values cpu[]; | |
29 | }; | |
69aad6f1 | 30 | |
70db7533 ACM |
31 | struct perf_evsel; |
32 | ||
33 | /* | |
34 | * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are | |
35 | * more than one entry in the evlist. | |
36 | */ | |
37 | struct perf_sample_id { | |
38 | struct hlist_node node; | |
39 | u64 id; | |
40 | struct perf_evsel *evsel; | |
e4caec0d JO |
41 | |
42 | /* Holds total ID period value for PERF_SAMPLE_READ processing. */ | |
43 | u64 period; | |
70db7533 ACM |
44 | }; |
45 | ||
f0c55bcf SE |
46 | /** struct perf_evsel - event selector |
47 | * | |
48 | * @name - Can be set to retain the original event name passed by the user, | |
49 | * so that when showing results in tools such as 'perf stat', we | |
50 | * show the name used, not some alias. | |
75562573 AH |
51 | * @id_pos: the position of the event id (PERF_SAMPLE_ID or |
52 | * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of | |
53 | * struct sample_event | |
54 | * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or | |
55 | * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all | |
56 | * is used there is an id sample appended to non-sample events | |
f0c55bcf | 57 | */ |
69aad6f1 ACM |
58 | struct perf_evsel { |
59 | struct list_head node; | |
60 | struct perf_event_attr attr; | |
61 | char *filter; | |
62 | struct xyarray *fd; | |
a91e5431 ACM |
63 | struct xyarray *sample_id; |
64 | u64 *id; | |
c52b12ed | 65 | struct perf_counts *counts; |
c7a79c47 | 66 | struct perf_counts *prev_raw_counts; |
69aad6f1 | 67 | int idx; |
f4d83436 | 68 | u32 ids; |
e248de33 | 69 | struct hists hists; |
f0c55bcf | 70 | char *name; |
fcf65bf1 | 71 | struct event_format *tp_format; |
a91e5431 ACM |
72 | union { |
73 | void *priv; | |
74 | off_t id_offset; | |
75 | }; | |
023695d9 | 76 | struct cgroup_sel *cgrp; |
744a9719 | 77 | void *handler; |
7ae92e74 | 78 | struct cpu_map *cpus; |
bde09467 | 79 | unsigned int sample_size; |
75562573 AH |
80 | int id_pos; |
81 | int is_pos; | |
2cee77c4 | 82 | bool supported; |
0807d2d8 | 83 | bool needs_swap; |
f5b1135b JO |
84 | /* parse modifier helper */ |
85 | int exclude_GH; | |
97f63e4a | 86 | int nr_members; |
3c176311 | 87 | int sample_read; |
6a4bb04c JO |
88 | struct perf_evsel *leader; |
89 | char *group_name; | |
69aad6f1 ACM |
90 | }; |
91 | ||
29d720ed NK |
92 | #define hists_to_evsel(h) container_of(h, struct perf_evsel, hists) |
93 | ||
86bd5e86 ACM |
94 | struct cpu_map; |
95 | struct thread_map; | |
70082dd9 | 96 | struct perf_evlist; |
0f82ebc4 | 97 | struct perf_record_opts; |
86bd5e86 | 98 | |
23a2f3ab | 99 | struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx); |
efd2b924 | 100 | struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx); |
201b7334 ACM |
101 | |
102 | struct event_format *event_format__new(const char *sys, const char *name); | |
103 | ||
ef1d1af2 ACM |
104 | void perf_evsel__init(struct perf_evsel *evsel, |
105 | struct perf_event_attr *attr, int idx); | |
106 | void perf_evsel__exit(struct perf_evsel *evsel); | |
69aad6f1 ACM |
107 | void perf_evsel__delete(struct perf_evsel *evsel); |
108 | ||
0f82ebc4 | 109 | void perf_evsel__config(struct perf_evsel *evsel, |
cac21425 | 110 | struct perf_record_opts *opts); |
0f82ebc4 | 111 | |
75562573 AH |
112 | int __perf_evsel__sample_size(u64 sample_type); |
113 | void perf_evsel__calc_id_pos(struct perf_evsel *evsel); | |
114 | ||
0b668bc9 ACM |
115 | bool perf_evsel__is_cache_op_valid(u8 type, u8 op); |
116 | ||
117 | #define PERF_EVSEL__MAX_ALIASES 8 | |
118 | ||
119 | extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX] | |
120 | [PERF_EVSEL__MAX_ALIASES]; | |
121 | extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX] | |
122 | [PERF_EVSEL__MAX_ALIASES]; | |
8ad7013b ACM |
123 | extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX] |
124 | [PERF_EVSEL__MAX_ALIASES]; | |
125 | extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX]; | |
126 | extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX]; | |
0b668bc9 ACM |
127 | int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, |
128 | char *bf, size_t size); | |
7289f83c | 129 | const char *perf_evsel__name(struct perf_evsel *evsel); |
717e263f NK |
130 | const char *perf_evsel__group_name(struct perf_evsel *evsel); |
131 | int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size); | |
c410431c | 132 | |
69aad6f1 | 133 | int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads); |
70db7533 | 134 | int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads); |
c52b12ed | 135 | int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus); |
a7e191c3 | 136 | void perf_evsel__reset_counts(struct perf_evsel *evsel, int ncpus); |
69aad6f1 | 137 | void perf_evsel__free_fd(struct perf_evsel *evsel); |
70db7533 | 138 | void perf_evsel__free_id(struct perf_evsel *evsel); |
43f8e76e | 139 | void perf_evsel__free_counts(struct perf_evsel *evsel); |
c52b12ed | 140 | void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads); |
69aad6f1 | 141 | |
7be5ebe8 ACM |
142 | void __perf_evsel__set_sample_bit(struct perf_evsel *evsel, |
143 | enum perf_event_sample_format bit); | |
144 | void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel, | |
145 | enum perf_event_sample_format bit); | |
146 | ||
147 | #define perf_evsel__set_sample_bit(evsel, bit) \ | |
148 | __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit) | |
149 | ||
150 | #define perf_evsel__reset_sample_bit(evsel, bit) \ | |
151 | __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit) | |
152 | ||
75562573 AH |
153 | void perf_evsel__set_sample_id(struct perf_evsel *evsel, |
154 | bool use_sample_identifier); | |
7a5a5ca5 | 155 | |
745cefc5 ACM |
156 | int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads, |
157 | const char *filter); | |
e2407bef | 158 | int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads); |
745cefc5 | 159 | |
f08199d3 | 160 | int perf_evsel__open_per_cpu(struct perf_evsel *evsel, |
6a4bb04c | 161 | struct cpu_map *cpus); |
f08199d3 | 162 | int perf_evsel__open_per_thread(struct perf_evsel *evsel, |
6a4bb04c | 163 | struct thread_map *threads); |
f08199d3 | 164 | int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus, |
6a4bb04c | 165 | struct thread_map *threads); |
727ab04e | 166 | void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads); |
48290609 | 167 | |
5555ded4 ACM |
168 | struct perf_sample; |
169 | ||
5d2074ea | 170 | void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample, |
5555ded4 ACM |
171 | const char *name); |
172 | u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample, | |
173 | const char *name); | |
174 | ||
5d2074ea ACM |
175 | static inline char *perf_evsel__strval(struct perf_evsel *evsel, |
176 | struct perf_sample *sample, | |
177 | const char *name) | |
178 | { | |
179 | return perf_evsel__rawptr(evsel, sample, name); | |
180 | } | |
181 | ||
efd2b924 ACM |
182 | struct format_field; |
183 | ||
184 | struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name); | |
185 | ||
daec78a0 ACM |
186 | #define perf_evsel__match(evsel, t, c) \ |
187 | (evsel->attr.type == PERF_TYPE_##t && \ | |
188 | evsel->attr.config == PERF_COUNT_##c) | |
189 | ||
863e451f JO |
190 | static inline bool perf_evsel__match2(struct perf_evsel *e1, |
191 | struct perf_evsel *e2) | |
192 | { | |
193 | return (e1->attr.type == e2->attr.type) && | |
194 | (e1->attr.config == e2->attr.config); | |
195 | } | |
196 | ||
4cabc3d1 AK |
197 | #define perf_evsel__cmp(a, b) \ |
198 | ((a) && \ | |
199 | (b) && \ | |
200 | (a)->attr.type == (b)->attr.type && \ | |
201 | (a)->attr.config == (b)->attr.config) | |
202 | ||
c52b12ed ACM |
203 | int __perf_evsel__read_on_cpu(struct perf_evsel *evsel, |
204 | int cpu, int thread, bool scale); | |
205 | ||
206 | /** | |
207 | * perf_evsel__read_on_cpu - Read out the results on a CPU and thread | |
208 | * | |
209 | * @evsel - event selector to read value | |
210 | * @cpu - CPU of interest | |
211 | * @thread - thread of interest | |
212 | */ | |
213 | static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel, | |
214 | int cpu, int thread) | |
215 | { | |
216 | return __perf_evsel__read_on_cpu(evsel, cpu, thread, false); | |
217 | } | |
218 | ||
219 | /** | |
220 | * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled | |
221 | * | |
222 | * @evsel - event selector to read value | |
223 | * @cpu - CPU of interest | |
224 | * @thread - thread of interest | |
225 | */ | |
226 | static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel, | |
227 | int cpu, int thread) | |
228 | { | |
229 | return __perf_evsel__read_on_cpu(evsel, cpu, thread, true); | |
230 | } | |
231 | ||
232 | int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads, | |
233 | bool scale); | |
234 | ||
235 | /** | |
236 | * perf_evsel__read - Read the aggregate results on all CPUs | |
237 | * | |
238 | * @evsel - event selector to read value | |
239 | * @ncpus - Number of cpus affected, from zero | |
240 | * @nthreads - Number of threads affected, from zero | |
241 | */ | |
242 | static inline int perf_evsel__read(struct perf_evsel *evsel, | |
243 | int ncpus, int nthreads) | |
244 | { | |
245 | return __perf_evsel__read(evsel, ncpus, nthreads, false); | |
246 | } | |
247 | ||
248 | /** | |
249 | * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled | |
250 | * | |
251 | * @evsel - event selector to read value | |
252 | * @ncpus - Number of cpus affected, from zero | |
253 | * @nthreads - Number of threads affected, from zero | |
254 | */ | |
255 | static inline int perf_evsel__read_scaled(struct perf_evsel *evsel, | |
256 | int ncpus, int nthreads) | |
257 | { | |
258 | return __perf_evsel__read(evsel, ncpus, nthreads, true); | |
259 | } | |
260 | ||
4bf9ce1b JO |
261 | void hists__init(struct hists *hists); |
262 | ||
a3f698fe | 263 | int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event, |
0807d2d8 | 264 | struct perf_sample *sample); |
0c21f736 ACM |
265 | |
266 | static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel) | |
267 | { | |
268 | return list_entry(evsel->node.next, struct perf_evsel, node); | |
269 | } | |
07ac002f | 270 | |
759ff497 NK |
271 | /** |
272 | * perf_evsel__is_group_leader - Return whether given evsel is a leader event | |
273 | * | |
274 | * @evsel - evsel selector to be tested | |
275 | * | |
276 | * Return %true if @evsel is a group leader or a stand-alone event | |
277 | */ | |
823254ed | 278 | static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel) |
07ac002f | 279 | { |
823254ed | 280 | return evsel->leader == evsel; |
07ac002f | 281 | } |
0698aedd | 282 | |
759ff497 NK |
283 | /** |
284 | * perf_evsel__is_group_event - Return whether given evsel is a group event | |
285 | * | |
286 | * @evsel - evsel selector to be tested | |
287 | * | |
288 | * Return %true iff event group view is enabled and @evsel is a actual group | |
289 | * leader which has other members in the group | |
290 | */ | |
291 | static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel) | |
292 | { | |
293 | if (!symbol_conf.event_group) | |
294 | return false; | |
295 | ||
296 | return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1; | |
297 | } | |
298 | ||
0698aedd ACM |
299 | struct perf_attr_details { |
300 | bool freq; | |
301 | bool verbose; | |
e35ef355 | 302 | bool event_group; |
0698aedd ACM |
303 | }; |
304 | ||
305 | int perf_evsel__fprintf(struct perf_evsel *evsel, | |
306 | struct perf_attr_details *details, FILE *fp); | |
c0a54341 ACM |
307 | |
308 | bool perf_evsel__fallback(struct perf_evsel *evsel, int err, | |
309 | char *msg, size_t msgsize); | |
56e52e85 ACM |
310 | int perf_evsel__open_strerror(struct perf_evsel *evsel, |
311 | struct perf_target *target, | |
312 | int err, char *msg, size_t size); | |
97f63e4a NK |
313 | |
314 | static inline int perf_evsel__group_idx(struct perf_evsel *evsel) | |
315 | { | |
316 | return evsel->idx - evsel->leader->idx; | |
317 | } | |
717e263f NK |
318 | |
319 | #define for_each_group_member(_evsel, _leader) \ | |
320 | for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \ | |
321 | (_evsel) && (_evsel)->leader == (_leader); \ | |
322 | (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node)) | |
323 | ||
69aad6f1 | 324 | #endif /* __PERF_EVSEL_H */ |