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_MAX,
47 struct perf_evsel_config_term {
48 struct list_head list;
57 /** struct perf_evsel - event selector
59 * @name - Can be set to retain the original event name passed by the user,
60 * so that when showing results in tools such as 'perf stat', we
61 * show the name used, not some alias.
62 * @id_pos: the position of the event id (PERF_SAMPLE_ID or
63 * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of
65 * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or
66 * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all
67 * is used there is an id sample appended to non-sample events
68 * @priv: And what is in its containing unnamed union are tool specific
71 struct list_head node;
72 struct perf_event_attr attr;
75 struct xyarray *sample_id;
77 struct perf_counts *counts;
78 struct perf_counts *prev_raw_counts;
84 struct event_format *tp_format;
90 struct cgroup_sel *cgrp;
93 struct thread_map *threads;
94 unsigned int sample_size;
105 /* parse modifier helper */
109 unsigned long *per_pkg_mask;
110 struct perf_evsel *leader;
112 bool cmdline_group_boundary;
113 struct list_head config_terms;
127 static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)
132 static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
134 return perf_evsel__cpus(evsel)->nr;
137 void perf_counts_values__scale(struct perf_counts_values *count,
138 bool scale, s8 *pscaled);
140 void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, int thread,
141 struct perf_counts_values *count);
143 int perf_evsel__object_config(size_t object_size,
144 int (*init)(struct perf_evsel *evsel),
145 void (*fini)(struct perf_evsel *evsel));
147 struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
149 static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
151 return perf_evsel__new_idx(attr, 0);
154 struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx);
156 static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name)
158 return perf_evsel__newtp_idx(sys, name, 0);
161 struct event_format *event_format__new(const char *sys, const char *name);
163 void perf_evsel__init(struct perf_evsel *evsel,
164 struct perf_event_attr *attr, int idx);
165 void perf_evsel__exit(struct perf_evsel *evsel);
166 void perf_evsel__delete(struct perf_evsel *evsel);
168 void perf_evsel__config(struct perf_evsel *evsel,
169 struct record_opts *opts);
171 int __perf_evsel__sample_size(u64 sample_type);
172 void perf_evsel__calc_id_pos(struct perf_evsel *evsel);
174 bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
176 #define PERF_EVSEL__MAX_ALIASES 8
178 extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
179 [PERF_EVSEL__MAX_ALIASES];
180 extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
181 [PERF_EVSEL__MAX_ALIASES];
182 extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
183 [PERF_EVSEL__MAX_ALIASES];
184 extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
185 extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
186 int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
187 char *bf, size_t size);
188 const char *perf_evsel__name(struct perf_evsel *evsel);
190 const char *perf_evsel__group_name(struct perf_evsel *evsel);
191 int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);
193 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
194 void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
196 void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
197 enum perf_event_sample_format bit);
198 void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
199 enum perf_event_sample_format bit);
201 #define perf_evsel__set_sample_bit(evsel, bit) \
202 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
204 #define perf_evsel__reset_sample_bit(evsel, bit) \
205 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
207 void perf_evsel__set_sample_id(struct perf_evsel *evsel,
208 bool use_sample_identifier);
210 int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter);
211 int perf_evsel__append_filter(struct perf_evsel *evsel,
212 const char *op, const char *filter);
213 int perf_evsel__apply_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
215 int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads);
217 int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
218 struct cpu_map *cpus);
219 int perf_evsel__open_per_thread(struct perf_evsel *evsel,
220 struct thread_map *threads);
221 int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
222 struct thread_map *threads);
223 void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
227 void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
229 u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
232 static inline char *perf_evsel__strval(struct perf_evsel *evsel,
233 struct perf_sample *sample,
236 return perf_evsel__rawptr(evsel, sample, name);
241 struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
243 #define perf_evsel__match(evsel, t, c) \
244 (evsel->attr.type == PERF_TYPE_##t && \
245 evsel->attr.config == PERF_COUNT_##c)
247 static inline bool perf_evsel__match2(struct perf_evsel *e1,
248 struct perf_evsel *e2)
250 return (e1->attr.type == e2->attr.type) &&
251 (e1->attr.config == e2->attr.config);
254 #define perf_evsel__cmp(a, b) \
257 (a)->attr.type == (b)->attr.type && \
258 (a)->attr.config == (b)->attr.config)
260 int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
261 struct perf_counts_values *count);
263 int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
264 int cpu, int thread, bool scale);
267 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
269 * @evsel - event selector to read value
270 * @cpu - CPU of interest
271 * @thread - thread of interest
273 static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
276 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
280 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
282 * @evsel - event selector to read value
283 * @cpu - CPU of interest
284 * @thread - thread of interest
286 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
289 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
292 int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
293 struct perf_sample *sample);
295 static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
297 return list_entry(evsel->node.next, struct perf_evsel, node);
300 static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel)
302 return list_entry(evsel->node.prev, struct perf_evsel, node);
306 * perf_evsel__is_group_leader - Return whether given evsel is a leader event
308 * @evsel - evsel selector to be tested
310 * Return %true if @evsel is a group leader or a stand-alone event
312 static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
314 return evsel->leader == evsel;
318 * perf_evsel__is_group_event - Return whether given evsel is a group event
320 * @evsel - evsel selector to be tested
322 * Return %true iff event group view is enabled and @evsel is a actual group
323 * leader which has other members in the group
325 static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel)
327 if (!symbol_conf.event_group)
330 return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1;
334 * perf_evsel__is_function_event - Return whether given evsel is a function
337 * @evsel - evsel selector to be tested
339 * Return %true if event is function trace event
341 static inline bool perf_evsel__is_function_event(struct perf_evsel *evsel)
343 #define FUNCTION_EVENT "ftrace:function"
345 return evsel->name &&
346 !strncmp(FUNCTION_EVENT, evsel->name, sizeof(FUNCTION_EVENT));
348 #undef FUNCTION_EVENT
351 struct perf_attr_details {
358 int perf_evsel__fprintf(struct perf_evsel *evsel,
359 struct perf_attr_details *details, FILE *fp);
361 bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
362 char *msg, size_t msgsize);
363 int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
364 int err, char *msg, size_t size);
366 static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
368 return evsel->idx - evsel->leader->idx;
371 #define for_each_group_member(_evsel, _leader) \
372 for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
373 (_evsel) && (_evsel)->leader == (_leader); \
374 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
376 static inline bool has_branch_callstack(struct perf_evsel *evsel)
378 return evsel->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
381 typedef int (*attr__fprintf_f)(FILE *, const char *, const char *, void *);
383 int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
384 attr__fprintf_f attr__fprintf, void *priv);
386 #endif /* __PERF_EVSEL_H */