2 #define __PERF_EVSEL_H 1
4 #include <linux/list.h>
7 #include <linux/perf_event.h>
8 #include <linux/types.h>
17 * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
18 * more than one entry in the evlist.
20 struct perf_sample_id {
21 struct hlist_node node;
23 struct perf_evsel *evsel;
28 /* Holds total ID period value for PERF_SAMPLE_READ processing. */
35 * The 'struct perf_evsel_config_term' is used to pass event
36 * specific configuration data to perf_evsel__config routine.
37 * It is allocated within event parsing and attached to
38 * perf_evsel::config_terms list head.
41 PERF_EVSEL__CONFIG_TERM_PERIOD,
42 PERF_EVSEL__CONFIG_TERM_FREQ,
43 PERF_EVSEL__CONFIG_TERM_TIME,
44 PERF_EVSEL__CONFIG_TERM_CALLGRAPH,
45 PERF_EVSEL__CONFIG_TERM_STACK_USER,
46 PERF_EVSEL__CONFIG_TERM_MAX,
49 struct perf_evsel_config_term {
50 struct list_head list;
61 /** struct perf_evsel - event selector
63 * @name - Can be set to retain the original event name passed by the user,
64 * so that when showing results in tools such as 'perf stat', we
65 * show the name used, not some alias.
66 * @id_pos: the position of the event id (PERF_SAMPLE_ID or
67 * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of
69 * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or
70 * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all
71 * is used there is an id sample appended to non-sample events
72 * @priv: And what is in its containing unnamed union are tool specific
75 struct list_head node;
76 struct perf_event_attr attr;
79 struct xyarray *sample_id;
81 struct perf_counts *counts;
82 struct perf_counts *prev_raw_counts;
88 struct event_format *tp_format;
94 struct cgroup_sel *cgrp;
97 struct thread_map *threads;
98 unsigned int sample_size;
109 /* parse modifier helper */
113 unsigned long *per_pkg_mask;
114 struct perf_evsel *leader;
116 bool cmdline_group_boundary;
117 struct list_head config_terms;
131 static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)
136 static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
138 return perf_evsel__cpus(evsel)->nr;
141 void perf_counts_values__scale(struct perf_counts_values *count,
142 bool scale, s8 *pscaled);
144 void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, int thread,
145 struct perf_counts_values *count);
147 int perf_evsel__object_config(size_t object_size,
148 int (*init)(struct perf_evsel *evsel),
149 void (*fini)(struct perf_evsel *evsel));
151 struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
153 static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
155 return perf_evsel__new_idx(attr, 0);
158 struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx);
160 static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name)
162 return perf_evsel__newtp_idx(sys, name, 0);
165 struct event_format *event_format__new(const char *sys, const char *name);
167 void perf_evsel__init(struct perf_evsel *evsel,
168 struct perf_event_attr *attr, int idx);
169 void perf_evsel__exit(struct perf_evsel *evsel);
170 void perf_evsel__delete(struct perf_evsel *evsel);
172 void perf_evsel__config(struct perf_evsel *evsel,
173 struct record_opts *opts);
175 int __perf_evsel__sample_size(u64 sample_type);
176 void perf_evsel__calc_id_pos(struct perf_evsel *evsel);
178 bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
180 #define PERF_EVSEL__MAX_ALIASES 8
182 extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
183 [PERF_EVSEL__MAX_ALIASES];
184 extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
185 [PERF_EVSEL__MAX_ALIASES];
186 extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
187 [PERF_EVSEL__MAX_ALIASES];
188 extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
189 extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
190 int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
191 char *bf, size_t size);
192 const char *perf_evsel__name(struct perf_evsel *evsel);
194 const char *perf_evsel__group_name(struct perf_evsel *evsel);
195 int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);
197 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
198 void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
200 void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
201 enum perf_event_sample_format bit);
202 void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
203 enum perf_event_sample_format bit);
205 #define perf_evsel__set_sample_bit(evsel, bit) \
206 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
208 #define perf_evsel__reset_sample_bit(evsel, bit) \
209 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
211 void perf_evsel__set_sample_id(struct perf_evsel *evsel,
212 bool use_sample_identifier);
214 int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter);
215 int perf_evsel__append_filter(struct perf_evsel *evsel,
216 const char *op, const char *filter);
217 int perf_evsel__apply_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
219 int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads);
221 int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
222 struct cpu_map *cpus);
223 int perf_evsel__open_per_thread(struct perf_evsel *evsel,
224 struct thread_map *threads);
225 int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
226 struct thread_map *threads);
227 void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
231 void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
233 u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
236 static inline char *perf_evsel__strval(struct perf_evsel *evsel,
237 struct perf_sample *sample,
240 return perf_evsel__rawptr(evsel, sample, name);
245 struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
247 #define perf_evsel__match(evsel, t, c) \
248 (evsel->attr.type == PERF_TYPE_##t && \
249 evsel->attr.config == PERF_COUNT_##c)
251 static inline bool perf_evsel__match2(struct perf_evsel *e1,
252 struct perf_evsel *e2)
254 return (e1->attr.type == e2->attr.type) &&
255 (e1->attr.config == e2->attr.config);
258 #define perf_evsel__cmp(a, b) \
261 (a)->attr.type == (b)->attr.type && \
262 (a)->attr.config == (b)->attr.config)
264 int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
265 struct perf_counts_values *count);
267 int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
268 int cpu, int thread, bool scale);
271 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
273 * @evsel - event selector to read value
274 * @cpu - CPU of interest
275 * @thread - thread of interest
277 static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
280 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
284 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
286 * @evsel - event selector to read value
287 * @cpu - CPU of interest
288 * @thread - thread of interest
290 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
293 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
296 int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
297 struct perf_sample *sample);
299 static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
301 return list_entry(evsel->node.next, struct perf_evsel, node);
304 static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel)
306 return list_entry(evsel->node.prev, struct perf_evsel, node);
310 * perf_evsel__is_group_leader - Return whether given evsel is a leader event
312 * @evsel - evsel selector to be tested
314 * Return %true if @evsel is a group leader or a stand-alone event
316 static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
318 return evsel->leader == evsel;
322 * perf_evsel__is_group_event - Return whether given evsel is a group event
324 * @evsel - evsel selector to be tested
326 * Return %true iff event group view is enabled and @evsel is a actual group
327 * leader which has other members in the group
329 static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel)
331 if (!symbol_conf.event_group)
334 return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1;
338 * perf_evsel__is_function_event - Return whether given evsel is a function
341 * @evsel - evsel selector to be tested
343 * Return %true if event is function trace event
345 static inline bool perf_evsel__is_function_event(struct perf_evsel *evsel)
347 #define FUNCTION_EVENT "ftrace:function"
349 return evsel->name &&
350 !strncmp(FUNCTION_EVENT, evsel->name, sizeof(FUNCTION_EVENT));
352 #undef FUNCTION_EVENT
355 struct perf_attr_details {
362 int perf_evsel__fprintf(struct perf_evsel *evsel,
363 struct perf_attr_details *details, FILE *fp);
365 bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
366 char *msg, size_t msgsize);
367 int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
368 int err, char *msg, size_t size);
370 static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
372 return evsel->idx - evsel->leader->idx;
375 #define for_each_group_member(_evsel, _leader) \
376 for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
377 (_evsel) && (_evsel)->leader == (_leader); \
378 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
380 static inline bool has_branch_callstack(struct perf_evsel *evsel)
382 return evsel->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
385 typedef int (*attr__fprintf_f)(FILE *, const char *, const char *, void *);
387 int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
388 attr__fprintf_f attr__fprintf, void *priv);
390 #endif /* __PERF_EVSEL_H */