2 #define __PERF_EVSEL_H 1
4 #include <linux/list.h>
6 #include "../../../include/linux/perf_event.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;
41 /** struct perf_evsel - event selector
43 * @name - Can be set to retain the original event name passed by the user,
44 * so that when showing results in tools such as 'perf stat', we
45 * show the name used, not some alias.
48 struct list_head node;
49 struct perf_event_attr attr;
52 struct xyarray *sample_id;
54 struct perf_counts *counts;
59 struct event_format *tp_format;
64 struct cgroup_sel *cgrp;
69 unsigned int sample_size;
71 /* parse modifier helper */
73 struct perf_evsel *leader;
80 struct perf_record_opts;
82 struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx);
83 void perf_evsel__init(struct perf_evsel *evsel,
84 struct perf_event_attr *attr, int idx);
85 void perf_evsel__exit(struct perf_evsel *evsel);
86 void perf_evsel__delete(struct perf_evsel *evsel);
88 void perf_evsel__config(struct perf_evsel *evsel,
89 struct perf_record_opts *opts,
90 struct perf_evsel *first);
92 bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
94 #define PERF_EVSEL__MAX_ALIASES 8
96 extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
97 [PERF_EVSEL__MAX_ALIASES];
98 extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
99 [PERF_EVSEL__MAX_ALIASES];
100 extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
101 [PERF_EVSEL__MAX_ALIASES];
102 extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
103 extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
104 int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
105 char *bf, size_t size);
106 const char *perf_evsel__name(struct perf_evsel *evsel);
108 int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
109 int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
110 int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
111 void perf_evsel__free_fd(struct perf_evsel *evsel);
112 void perf_evsel__free_id(struct perf_evsel *evsel);
113 void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
115 int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
116 struct cpu_map *cpus);
117 int perf_evsel__open_per_thread(struct perf_evsel *evsel,
118 struct thread_map *threads);
119 int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
120 struct thread_map *threads);
121 void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads);
125 char *perf_evsel__strval(struct perf_evsel *evsel, struct perf_sample *sample,
127 u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
130 #define perf_evsel__match(evsel, t, c) \
131 (evsel->attr.type == PERF_TYPE_##t && \
132 evsel->attr.config == PERF_COUNT_##c)
134 static inline bool perf_evsel__match2(struct perf_evsel *e1,
135 struct perf_evsel *e2)
137 return (e1->attr.type == e2->attr.type) &&
138 (e1->attr.config == e2->attr.config);
141 int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
142 int cpu, int thread, bool scale);
145 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
147 * @evsel - event selector to read value
148 * @cpu - CPU of interest
149 * @thread - thread of interest
151 static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
154 return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
158 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
160 * @evsel - event selector to read value
161 * @cpu - CPU of interest
162 * @thread - thread of interest
164 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
167 return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
170 int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads,
174 * perf_evsel__read - Read the aggregate results on all CPUs
176 * @evsel - event selector to read value
177 * @ncpus - Number of cpus affected, from zero
178 * @nthreads - Number of threads affected, from zero
180 static inline int perf_evsel__read(struct perf_evsel *evsel,
181 int ncpus, int nthreads)
183 return __perf_evsel__read(evsel, ncpus, nthreads, false);
187 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
189 * @evsel - event selector to read value
190 * @ncpus - Number of cpus affected, from zero
191 * @nthreads - Number of threads affected, from zero
193 static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
194 int ncpus, int nthreads)
196 return __perf_evsel__read(evsel, ncpus, nthreads, true);
199 void hists__init(struct hists *hists);
201 int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
202 struct perf_sample *sample, bool swapped);
204 static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel)
206 return list_entry(evsel->node.next, struct perf_evsel, node);
208 #endif /* __PERF_EVSEL_H */