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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> |
d944c4ee | 8 | #include <linux/types.h> |
69aad6f1 | 9 | #include "xyarray.h" |
759ff497 | 10 | #include "symbol.h" |
d944c4ee | 11 | |
c52b12ed ACM |
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; | |
3c659eed AH |
39 | int idx; |
40 | int cpu; | |
41 | pid_t tid; | |
e4caec0d JO |
42 | |
43 | /* Holds total ID period value for PERF_SAMPLE_READ processing. */ | |
44 | u64 period; | |
70db7533 ACM |
45 | }; |
46 | ||
f14d5707 ACM |
47 | struct cgroup_sel; |
48 | ||
f0c55bcf SE |
49 | /** struct perf_evsel - event selector |
50 | * | |
51 | * @name - Can be set to retain the original event name passed by the user, | |
52 | * so that when showing results in tools such as 'perf stat', we | |
53 | * show the name used, not some alias. | |
75562573 AH |
54 | * @id_pos: the position of the event id (PERF_SAMPLE_ID or |
55 | * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of | |
56 | * struct sample_event | |
57 | * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or | |
58 | * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all | |
59 | * is used there is an id sample appended to non-sample events | |
0db15b1e | 60 | * @priv: And what is in its containing unnamed union are tool specific |
f0c55bcf | 61 | */ |
69aad6f1 ACM |
62 | struct perf_evsel { |
63 | struct list_head node; | |
64 | struct perf_event_attr attr; | |
65 | char *filter; | |
66 | struct xyarray *fd; | |
a91e5431 ACM |
67 | struct xyarray *sample_id; |
68 | u64 *id; | |
c52b12ed | 69 | struct perf_counts *counts; |
c7a79c47 | 70 | struct perf_counts *prev_raw_counts; |
69aad6f1 | 71 | int idx; |
f4d83436 | 72 | u32 ids; |
f0c55bcf | 73 | char *name; |
410136f5 SE |
74 | double scale; |
75 | const char *unit; | |
1d9e446b | 76 | bool snapshot; |
fcf65bf1 | 77 | struct event_format *tp_format; |
a91e5431 ACM |
78 | union { |
79 | void *priv; | |
80 | off_t id_offset; | |
0db15b1e | 81 | u64 db_id; |
a91e5431 | 82 | }; |
023695d9 | 83 | struct cgroup_sel *cgrp; |
744a9719 | 84 | void *handler; |
7ae92e74 | 85 | struct cpu_map *cpus; |
bde09467 | 86 | unsigned int sample_size; |
75562573 AH |
87 | int id_pos; |
88 | int is_pos; | |
2cee77c4 | 89 | bool supported; |
0807d2d8 | 90 | bool needs_swap; |
6ff1ce76 | 91 | bool no_aux_samples; |
2afd2bcf | 92 | bool immediate; |
bf8e8f4b | 93 | bool system_wide; |
60b0896c | 94 | bool tracking; |
044330c1 | 95 | bool per_pkg; |
779d0b99 | 96 | unsigned long *per_pkg_mask; |
f5b1135b JO |
97 | /* parse modifier helper */ |
98 | int exclude_GH; | |
97f63e4a | 99 | int nr_members; |
3c176311 | 100 | int sample_read; |
6a4bb04c JO |
101 | struct perf_evsel *leader; |
102 | char *group_name; | |
69aad6f1 ACM |
103 | }; |
104 | ||
88080ce7 BP |
105 | union u64_swap { |
106 | u64 val64; | |
107 | u32 val32[2]; | |
108 | }; | |
109 | ||
86bd5e86 | 110 | struct cpu_map; |
80b2210c | 111 | struct target; |
86bd5e86 | 112 | struct thread_map; |
70082dd9 | 113 | struct perf_evlist; |
b4006796 | 114 | struct record_opts; |
86bd5e86 | 115 | |
13112bbf JO |
116 | void perf_counts_values__scale(struct perf_counts_values *count, |
117 | bool scale, s8 *pscaled); | |
118 | ||
857a94a2 JO |
119 | void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, |
120 | struct perf_counts_values *count); | |
121 | ||
ce8ccff5 ACM |
122 | int perf_evsel__object_config(size_t object_size, |
123 | int (*init)(struct perf_evsel *evsel), | |
124 | void (*fini)(struct perf_evsel *evsel)); | |
125 | ||
ef503831 ACM |
126 | struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx); |
127 | ||
128 | static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr) | |
129 | { | |
130 | return perf_evsel__new_idx(attr, 0); | |
131 | } | |
132 | ||
133 | struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx); | |
134 | ||
135 | static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name) | |
136 | { | |
137 | return perf_evsel__newtp_idx(sys, name, 0); | |
138 | } | |
201b7334 ACM |
139 | |
140 | struct event_format *event_format__new(const char *sys, const char *name); | |
141 | ||
ef1d1af2 ACM |
142 | void perf_evsel__init(struct perf_evsel *evsel, |
143 | struct perf_event_attr *attr, int idx); | |
144 | void perf_evsel__exit(struct perf_evsel *evsel); | |
69aad6f1 ACM |
145 | void perf_evsel__delete(struct perf_evsel *evsel); |
146 | ||
0f82ebc4 | 147 | void perf_evsel__config(struct perf_evsel *evsel, |
b4006796 | 148 | struct record_opts *opts); |
0f82ebc4 | 149 | |
75562573 AH |
150 | int __perf_evsel__sample_size(u64 sample_type); |
151 | void perf_evsel__calc_id_pos(struct perf_evsel *evsel); | |
152 | ||
0b668bc9 ACM |
153 | bool perf_evsel__is_cache_op_valid(u8 type, u8 op); |
154 | ||
155 | #define PERF_EVSEL__MAX_ALIASES 8 | |
156 | ||
157 | extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX] | |
158 | [PERF_EVSEL__MAX_ALIASES]; | |
159 | extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX] | |
160 | [PERF_EVSEL__MAX_ALIASES]; | |
8ad7013b ACM |
161 | extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX] |
162 | [PERF_EVSEL__MAX_ALIASES]; | |
163 | extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX]; | |
164 | extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX]; | |
0b668bc9 ACM |
165 | int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, |
166 | char *bf, size_t size); | |
7289f83c | 167 | const char *perf_evsel__name(struct perf_evsel *evsel); |
410136f5 | 168 | |
717e263f NK |
169 | const char *perf_evsel__group_name(struct perf_evsel *evsel); |
170 | int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size); | |
c410431c | 171 | |
70db7533 | 172 | int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads); |
c52b12ed | 173 | int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus); |
a7e191c3 | 174 | void perf_evsel__reset_counts(struct perf_evsel *evsel, int ncpus); |
43f8e76e | 175 | void perf_evsel__free_counts(struct perf_evsel *evsel); |
c52b12ed | 176 | void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads); |
69aad6f1 | 177 | |
7be5ebe8 ACM |
178 | void __perf_evsel__set_sample_bit(struct perf_evsel *evsel, |
179 | enum perf_event_sample_format bit); | |
180 | void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel, | |
181 | enum perf_event_sample_format bit); | |
182 | ||
183 | #define perf_evsel__set_sample_bit(evsel, bit) \ | |
184 | __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit) | |
185 | ||
186 | #define perf_evsel__reset_sample_bit(evsel, bit) \ | |
187 | __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit) | |
188 | ||
75562573 AH |
189 | void perf_evsel__set_sample_id(struct perf_evsel *evsel, |
190 | bool use_sample_identifier); | |
7a5a5ca5 | 191 | |
745cefc5 ACM |
192 | int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads, |
193 | const char *filter); | |
e2407bef | 194 | int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads); |
745cefc5 | 195 | |
f08199d3 | 196 | int perf_evsel__open_per_cpu(struct perf_evsel *evsel, |
6a4bb04c | 197 | struct cpu_map *cpus); |
f08199d3 | 198 | int perf_evsel__open_per_thread(struct perf_evsel *evsel, |
6a4bb04c | 199 | struct thread_map *threads); |
f08199d3 | 200 | int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus, |
6a4bb04c | 201 | struct thread_map *threads); |
727ab04e | 202 | void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads); |
48290609 | 203 | |
5555ded4 ACM |
204 | struct perf_sample; |
205 | ||
5d2074ea | 206 | void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample, |
5555ded4 ACM |
207 | const char *name); |
208 | u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample, | |
209 | const char *name); | |
210 | ||
5d2074ea ACM |
211 | static inline char *perf_evsel__strval(struct perf_evsel *evsel, |
212 | struct perf_sample *sample, | |
213 | const char *name) | |
214 | { | |
215 | return perf_evsel__rawptr(evsel, sample, name); | |
216 | } | |
217 | ||
efd2b924 ACM |
218 | struct format_field; |
219 | ||
220 | struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name); | |
221 | ||
daec78a0 ACM |
222 | #define perf_evsel__match(evsel, t, c) \ |
223 | (evsel->attr.type == PERF_TYPE_##t && \ | |
224 | evsel->attr.config == PERF_COUNT_##c) | |
225 | ||
863e451f JO |
226 | static inline bool perf_evsel__match2(struct perf_evsel *e1, |
227 | struct perf_evsel *e2) | |
228 | { | |
229 | return (e1->attr.type == e2->attr.type) && | |
230 | (e1->attr.config == e2->attr.config); | |
231 | } | |
232 | ||
4cabc3d1 AK |
233 | #define perf_evsel__cmp(a, b) \ |
234 | ((a) && \ | |
235 | (b) && \ | |
236 | (a)->attr.type == (b)->attr.type && \ | |
237 | (a)->attr.config == (b)->attr.config) | |
238 | ||
011dccbd JO |
239 | typedef int (perf_evsel__read_cb_t)(struct perf_evsel *evsel, |
240 | int cpu, int thread, | |
241 | struct perf_counts_values *count); | |
242 | ||
243 | int perf_evsel__read_cb(struct perf_evsel *evsel, int cpu, int thread, | |
244 | perf_evsel__read_cb_t cb); | |
245 | ||
c52b12ed ACM |
246 | int __perf_evsel__read_on_cpu(struct perf_evsel *evsel, |
247 | int cpu, int thread, bool scale); | |
248 | ||
249 | /** | |
250 | * perf_evsel__read_on_cpu - Read out the results on a CPU and thread | |
251 | * | |
252 | * @evsel - event selector to read value | |
253 | * @cpu - CPU of interest | |
254 | * @thread - thread of interest | |
255 | */ | |
256 | static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel, | |
257 | int cpu, int thread) | |
258 | { | |
259 | return __perf_evsel__read_on_cpu(evsel, cpu, thread, false); | |
260 | } | |
261 | ||
262 | /** | |
263 | * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled | |
264 | * | |
265 | * @evsel - event selector to read value | |
266 | * @cpu - CPU of interest | |
267 | * @thread - thread of interest | |
268 | */ | |
269 | static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel, | |
270 | int cpu, int thread) | |
271 | { | |
272 | return __perf_evsel__read_on_cpu(evsel, cpu, thread, true); | |
273 | } | |
274 | ||
a3f698fe | 275 | int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event, |
0807d2d8 | 276 | struct perf_sample *sample); |
0c21f736 ACM |
277 | |
278 | static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel) | |
279 | { | |
280 | return list_entry(evsel->node.next, struct perf_evsel, node); | |
281 | } | |
07ac002f | 282 | |
d87fcb4a ACM |
283 | static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel) |
284 | { | |
285 | return list_entry(evsel->node.prev, struct perf_evsel, node); | |
286 | } | |
287 | ||
759ff497 NK |
288 | /** |
289 | * perf_evsel__is_group_leader - Return whether given evsel is a leader event | |
290 | * | |
291 | * @evsel - evsel selector to be tested | |
292 | * | |
293 | * Return %true if @evsel is a group leader or a stand-alone event | |
294 | */ | |
823254ed | 295 | static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel) |
07ac002f | 296 | { |
823254ed | 297 | return evsel->leader == evsel; |
07ac002f | 298 | } |
0698aedd | 299 | |
759ff497 NK |
300 | /** |
301 | * perf_evsel__is_group_event - Return whether given evsel is a group event | |
302 | * | |
303 | * @evsel - evsel selector to be tested | |
304 | * | |
305 | * Return %true iff event group view is enabled and @evsel is a actual group | |
306 | * leader which has other members in the group | |
307 | */ | |
308 | static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel) | |
309 | { | |
310 | if (!symbol_conf.event_group) | |
311 | return false; | |
312 | ||
313 | return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1; | |
314 | } | |
315 | ||
6bedfab6 JO |
316 | /** |
317 | * perf_evsel__is_function_event - Return whether given evsel is a function | |
318 | * trace event | |
319 | * | |
320 | * @evsel - evsel selector to be tested | |
321 | * | |
322 | * Return %true if event is function trace event | |
323 | */ | |
324 | static inline bool perf_evsel__is_function_event(struct perf_evsel *evsel) | |
325 | { | |
326 | #define FUNCTION_EVENT "ftrace:function" | |
327 | ||
328 | return evsel->name && | |
329 | !strncmp(FUNCTION_EVENT, evsel->name, sizeof(FUNCTION_EVENT)); | |
330 | ||
331 | #undef FUNCTION_EVENT | |
332 | } | |
333 | ||
0698aedd ACM |
334 | struct perf_attr_details { |
335 | bool freq; | |
336 | bool verbose; | |
e35ef355 | 337 | bool event_group; |
9e3b6ec1 | 338 | bool force; |
0698aedd ACM |
339 | }; |
340 | ||
341 | int perf_evsel__fprintf(struct perf_evsel *evsel, | |
342 | struct perf_attr_details *details, FILE *fp); | |
c0a54341 ACM |
343 | |
344 | bool perf_evsel__fallback(struct perf_evsel *evsel, int err, | |
345 | char *msg, size_t msgsize); | |
602ad878 | 346 | int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target, |
56e52e85 | 347 | int err, char *msg, size_t size); |
97f63e4a NK |
348 | |
349 | static inline int perf_evsel__group_idx(struct perf_evsel *evsel) | |
350 | { | |
351 | return evsel->idx - evsel->leader->idx; | |
352 | } | |
717e263f NK |
353 | |
354 | #define for_each_group_member(_evsel, _leader) \ | |
355 | for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \ | |
356 | (_evsel) && (_evsel)->leader == (_leader); \ | |
357 | (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node)) | |
358 | ||
384b6055 KL |
359 | static inline bool has_branch_callstack(struct perf_evsel *evsel) |
360 | { | |
361 | return evsel->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK; | |
362 | } | |
69aad6f1 | 363 | #endif /* __PERF_EVSEL_H */ |