2 #define __PERF_EVSEL_H 1
4 #include <linux/list.h>
7 #include <linux/perf_event.h>
8 #include <linux/types.h>
12 struct perf_counts_values {
25 struct perf_counts_values aggr;
26 struct perf_counts_values cpu[];
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.
35 struct perf_sample_id {
36 struct hlist_node node;
38 struct perf_evsel *evsel;
43 /* Holds total ID period value for PERF_SAMPLE_READ processing. */
49 /** struct perf_evsel - event selector
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.
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
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
60 * @priv: And what is in its containing unnamed union are tool specific
63 struct list_head node;
64 struct perf_event_attr attr;
67 struct xyarray *sample_id;
69 struct perf_counts *counts;
70 struct perf_counts *prev_raw_counts;
76 struct event_format *tp_format;
82 struct cgroup_sel *cgrp;
85 unsigned int sample_size;
96 /* parse modifier helper */
100 unsigned long *per_pkg_mask;
101 struct perf_evsel *leader;
116 void perf_counts_values__scale(struct perf_counts_values *count,
117 bool scale, s8 *pscaled);
119 void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu,
120 struct perf_counts_values *count);
122 int perf_evsel__object_config(size_t object_size,
123 int (*init)(struct perf_evsel *evsel),
124 void (*fini)(struct perf_evsel *evsel));
126 struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
128 static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
130 return perf_evsel__new_idx(attr, 0);
133 struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx);
135 static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name)
137 return perf_evsel__newtp_idx(sys, name, 0);
140 struct event_format *event_format__new(const char *sys, const char *name);
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);
145 void perf_evsel__delete(struct perf_evsel *evsel);
147 void perf_evsel__config(struct perf_evsel *evsel,
148 struct record_opts *opts);
150 int __perf_evsel__sample_size(u64 sample_type);
151 void perf_evsel__calc_id_pos(struct perf_evsel *evsel);
153 bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
155 #define PERF_EVSEL__MAX_ALIASES 8
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];
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];
165 int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
166 char *bf, size_t size);
167 const char *perf_evsel__name(struct perf_evsel *evsel);
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);
172 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
173 void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
175 void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
176 enum perf_event_sample_format bit);
177 void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
178 enum perf_event_sample_format bit);
180 #define perf_evsel__set_sample_bit(evsel, bit) \
181 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
183 #define perf_evsel__reset_sample_bit(evsel, bit) \
184 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
186 void perf_evsel__set_sample_id(struct perf_evsel *evsel,
187 bool use_sample_identifier);
189 int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
191 int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads);
193 int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
194 struct cpu_map *cpus);
195 int perf_evsel__open_per_thread(struct perf_evsel *evsel,
196 struct thread_map *threads);
197 int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
198 struct thread_map *threads);
199 void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
203 void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
205 u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
208 static inline char *perf_evsel__strval(struct perf_evsel *evsel,
209 struct perf_sample *sample,
212 return perf_evsel__rawptr(evsel, sample, name);
217 struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
219 #define perf_evsel__match(evsel, t, c) \
220 (evsel->attr.type == PERF_TYPE_##t && \
221 evsel->attr.config == PERF_COUNT_##c)
223 static inline bool perf_evsel__match2(struct perf_evsel *e1,
224 struct perf_evsel *e2)
226 return (e1->attr.type == e2->attr.type) &&
227 (e1->attr.config == e2->attr.config);
230 #define perf_evsel__cmp(a, b) \
233 (a)->attr.type == (b)->attr.type && \
234 (a)->attr.config == (b)->attr.config)
236 typedef int (perf_evsel__read_cb_t)(struct perf_evsel *evsel,
238 struct perf_counts_values *count);
240 int perf_evsel__read_cb(struct perf_evsel *evsel, int cpu, int thread,
241 perf_evsel__read_cb_t cb);
243 int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
244 int cpu, int thread, bool scale);
247 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
249 * @evsel - event selector to read value
250 * @cpu - CPU of interest
251 * @thread - thread of interest
253 static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
256 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
260 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
262 * @evsel - event selector to read value
263 * @cpu - CPU of interest
264 * @thread - thread of interest
266 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
269 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
272 int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
273 struct perf_sample *sample);
275 static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
277 return list_entry(evsel->node.next, struct perf_evsel, node);
280 static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel)
282 return list_entry(evsel->node.prev, struct perf_evsel, node);
286 * perf_evsel__is_group_leader - Return whether given evsel is a leader event
288 * @evsel - evsel selector to be tested
290 * Return %true if @evsel is a group leader or a stand-alone event
292 static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
294 return evsel->leader == evsel;
298 * perf_evsel__is_group_event - Return whether given evsel is a group event
300 * @evsel - evsel selector to be tested
302 * Return %true iff event group view is enabled and @evsel is a actual group
303 * leader which has other members in the group
305 static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel)
307 if (!symbol_conf.event_group)
310 return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1;
314 * perf_evsel__is_function_event - Return whether given evsel is a function
317 * @evsel - evsel selector to be tested
319 * Return %true if event is function trace event
321 static inline bool perf_evsel__is_function_event(struct perf_evsel *evsel)
323 #define FUNCTION_EVENT "ftrace:function"
325 return evsel->name &&
326 !strncmp(FUNCTION_EVENT, evsel->name, sizeof(FUNCTION_EVENT));
328 #undef FUNCTION_EVENT
331 struct perf_attr_details {
338 int perf_evsel__fprintf(struct perf_evsel *evsel,
339 struct perf_attr_details *details, FILE *fp);
341 bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
342 char *msg, size_t msgsize);
343 int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
344 int err, char *msg, size_t size);
346 static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
348 return evsel->idx - evsel->leader->idx;
351 #define for_each_group_member(_evsel, _leader) \
352 for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
353 (_evsel) && (_evsel)->leader == (_leader); \
354 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
356 static inline bool has_branch_callstack(struct perf_evsel *evsel)
358 return evsel->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
361 typedef int (*attr__fprintf_f)(FILE *, const char *, const char *, void *);
363 int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
364 attr__fprintf_f attr__fprintf, void *priv);
366 #endif /* __PERF_EVSEL_H */