2 #define __PERF_EVSEL_H 1
4 #include <linux/list.h>
7 #include <linux/perf_event.h>
13 struct perf_counts_values {
26 struct perf_counts_values aggr;
27 struct perf_counts_values cpu[];
33 * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
34 * more than one entry in the evlist.
36 struct perf_sample_id {
37 struct hlist_node node;
39 struct perf_evsel *evsel;
42 /** struct perf_evsel - event selector
44 * @name - Can be set to retain the original event name passed by the user,
45 * so that when showing results in tools such as 'perf stat', we
46 * show the name used, not some alias.
49 struct list_head node;
50 struct perf_event_attr attr;
53 struct xyarray *sample_id;
55 struct perf_counts *counts;
56 struct perf_counts *prev_raw_counts;
61 struct event_format *tp_format;
66 struct cgroup_sel *cgrp;
72 unsigned int sample_size;
75 /* parse modifier helper */
78 struct perf_evsel *leader;
82 #define hists_to_evsel(h) container_of(h, struct perf_evsel, hists)
87 struct perf_record_opts;
89 struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx);
90 struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx);
92 struct event_format *event_format__new(const char *sys, const char *name);
94 void perf_evsel__init(struct perf_evsel *evsel,
95 struct perf_event_attr *attr, int idx);
96 void perf_evsel__exit(struct perf_evsel *evsel);
97 void perf_evsel__delete(struct perf_evsel *evsel);
99 void perf_evsel__config(struct perf_evsel *evsel,
100 struct perf_record_opts *opts);
102 bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
104 #define PERF_EVSEL__MAX_ALIASES 8
106 extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
107 [PERF_EVSEL__MAX_ALIASES];
108 extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
109 [PERF_EVSEL__MAX_ALIASES];
110 extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
111 [PERF_EVSEL__MAX_ALIASES];
112 extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
113 extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
114 int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
115 char *bf, size_t size);
116 const char *perf_evsel__name(struct perf_evsel *evsel);
117 const char *perf_evsel__group_name(struct perf_evsel *evsel);
118 int perf_evsel__group_desc(struct perf_evsel *evsel, char *buf, size_t size);
120 int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
121 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
122 int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
123 void perf_evsel__free_fd(struct perf_evsel *evsel);
124 void perf_evsel__free_id(struct perf_evsel *evsel);
125 void perf_evsel__free_counts(struct perf_evsel *evsel);
126 void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
128 void __perf_evsel__set_sample_bit(struct perf_evsel *evsel,
129 enum perf_event_sample_format bit);
130 void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel,
131 enum perf_event_sample_format bit);
133 #define perf_evsel__set_sample_bit(evsel, bit) \
134 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
136 #define perf_evsel__reset_sample_bit(evsel, bit) \
137 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
139 void perf_evsel__set_sample_id(struct perf_evsel *evsel);
141 int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads,
144 int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
145 struct cpu_map *cpus);
146 int perf_evsel__open_per_thread(struct perf_evsel *evsel,
147 struct thread_map *threads);
148 int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
149 struct thread_map *threads);
150 void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
154 void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample,
156 u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
159 static inline char *perf_evsel__strval(struct perf_evsel *evsel,
160 struct perf_sample *sample,
163 return perf_evsel__rawptr(evsel, sample, name);
168 struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
170 #define perf_evsel__match(evsel, t, c) \
171 (evsel->attr.type == PERF_TYPE_##t && \
172 evsel->attr.config == PERF_COUNT_##c)
174 static inline bool perf_evsel__match2(struct perf_evsel *e1,
175 struct perf_evsel *e2)
177 return (e1->attr.type == e2->attr.type) &&
178 (e1->attr.config == e2->attr.config);
181 int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
182 int cpu, int thread, bool scale);
185 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
187 * @evsel - event selector to read value
188 * @cpu - CPU of interest
189 * @thread - thread of interest
191 static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
194 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
198 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
200 * @evsel - event selector to read value
201 * @cpu - CPU of interest
202 * @thread - thread of interest
204 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
207 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
210 int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads,
214 * perf_evsel__read - Read the aggregate results on all CPUs
216 * @evsel - event selector to read value
217 * @ncpus - Number of cpus affected, from zero
218 * @nthreads - Number of threads affected, from zero
220 static inline int perf_evsel__read(struct perf_evsel *evsel,
221 int ncpus, int nthreads)
223 return __perf_evsel__read(evsel, ncpus, nthreads, false);
227 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
229 * @evsel - event selector to read value
230 * @ncpus - Number of cpus affected, from zero
231 * @nthreads - Number of threads affected, from zero
233 static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
234 int ncpus, int nthreads)
236 return __perf_evsel__read(evsel, ncpus, nthreads, true);
239 void hists__init(struct hists *hists);
241 int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
242 struct perf_sample *sample);
244 static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
246 return list_entry(evsel->node.next, struct perf_evsel, node);
249 static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
251 return evsel->leader == evsel;
254 struct perf_attr_details {
260 int perf_evsel__fprintf(struct perf_evsel *evsel,
261 struct perf_attr_details *details, FILE *fp);
263 bool perf_evsel__fallback(struct perf_evsel *evsel, int err,
264 char *msg, size_t msgsize);
265 int perf_evsel__open_strerror(struct perf_evsel *evsel,
266 struct perf_target *target,
267 int err, char *msg, size_t size);
269 static inline int perf_evsel__group_idx(struct perf_evsel *evsel)
271 return evsel->idx - evsel->leader->idx;
274 #define for_each_group_member(_evsel, _leader) \
275 for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
276 (_evsel) && (_evsel)->leader == (_leader); \
277 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
279 #endif /* __PERF_EVSEL_H */