Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1 | #ifndef __PERF_EVSEL_H |
| 2 | #define __PERF_EVSEL_H 1 |
| 3 | |
| 4 | #include <linux/list.h> |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 5 | #include <stdbool.h> |
Arnaldo Carvalho de Melo | 07ac002 | 2012-11-13 17:27:28 -0300 | [diff] [blame] | 6 | #include <stddef.h> |
David Howells | d2709c7 | 2012-11-19 22:21:03 +0000 | [diff] [blame] | 7 | #include <linux/perf_event.h> |
Borislav Petkov | d944c4e | 2014-04-25 21:31:02 +0200 | [diff] [blame] | 8 | #include <linux/types.h> |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 9 | #include "xyarray.h" |
Namhyung Kim | 759ff49 | 2013-03-05 14:53:26 +0900 | [diff] [blame] | 10 | #include "symbol.h" |
Borislav Petkov | d944c4e | 2014-04-25 21:31:02 +0200 | [diff] [blame] | 11 | |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 12 | struct perf_counts_values { |
| 13 | union { |
| 14 | struct { |
| 15 | u64 val; |
| 16 | u64 ena; |
| 17 | u64 run; |
| 18 | }; |
| 19 | u64 values[3]; |
| 20 | }; |
| 21 | }; |
| 22 | |
| 23 | struct perf_counts { |
| 24 | s8 scaled; |
| 25 | struct perf_counts_values aggr; |
| 26 | struct perf_counts_values cpu[]; |
| 27 | }; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 28 | |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 29 | struct perf_evsel; |
| 30 | |
| 31 | /* |
| 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. |
| 34 | */ |
| 35 | struct perf_sample_id { |
| 36 | struct hlist_node node; |
| 37 | u64 id; |
| 38 | struct perf_evsel *evsel; |
Adrian Hunter | 3c659ee | 2014-10-27 15:49:22 +0200 | [diff] [blame] | 39 | int idx; |
| 40 | int cpu; |
| 41 | pid_t tid; |
Jiri Olsa | e4caec0 | 2012-10-10 18:52:24 +0200 | [diff] [blame] | 42 | |
| 43 | /* Holds total ID period value for PERF_SAMPLE_READ processing. */ |
| 44 | u64 period; |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 45 | }; |
| 46 | |
Arnaldo Carvalho de Melo | f14d570 | 2014-10-17 12:17:40 -0300 | [diff] [blame] | 47 | struct cgroup_sel; |
| 48 | |
Stephane Eranian | f0c55bc | 2011-02-16 15:10:01 +0200 | [diff] [blame] | 49 | /** struct perf_evsel - event selector |
| 50 | * |
| 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. |
Adrian Hunter | 7556257 | 2013-08-27 11:23:09 +0300 | [diff] [blame] | 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 |
| 56 | * struct sample_event |
| 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 |
Adrian Hunter | 0db15b1 | 2014-10-23 13:45:13 +0300 | [diff] [blame] | 60 | * @priv: And what is in its containing unnamed union are tool specific |
Stephane Eranian | f0c55bc | 2011-02-16 15:10:01 +0200 | [diff] [blame] | 61 | */ |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 62 | struct perf_evsel { |
| 63 | struct list_head node; |
| 64 | struct perf_event_attr attr; |
| 65 | char *filter; |
| 66 | struct xyarray *fd; |
Arnaldo Carvalho de Melo | a91e543 | 2011-03-10 11:15:54 -0300 | [diff] [blame] | 67 | struct xyarray *sample_id; |
| 68 | u64 *id; |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 69 | struct perf_counts *counts; |
Stephane Eranian | c7a79c4 | 2013-01-29 12:47:43 +0100 | [diff] [blame] | 70 | struct perf_counts *prev_raw_counts; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 71 | int idx; |
Robert Richter | f4d8343 | 2012-08-16 21:10:17 +0200 | [diff] [blame] | 72 | u32 ids; |
Stephane Eranian | f0c55bc | 2011-02-16 15:10:01 +0200 | [diff] [blame] | 73 | char *name; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 74 | double scale; |
| 75 | const char *unit; |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame] | 76 | struct event_format *tp_format; |
Arnaldo Carvalho de Melo | a91e543 | 2011-03-10 11:15:54 -0300 | [diff] [blame] | 77 | union { |
| 78 | void *priv; |
| 79 | off_t id_offset; |
Adrian Hunter | 0db15b1 | 2014-10-23 13:45:13 +0300 | [diff] [blame] | 80 | u64 db_id; |
Arnaldo Carvalho de Melo | a91e543 | 2011-03-10 11:15:54 -0300 | [diff] [blame] | 81 | }; |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 82 | struct cgroup_sel *cgrp; |
Arnaldo Carvalho de Melo | 744a971 | 2013-11-06 10:17:38 -0300 | [diff] [blame] | 83 | void *handler; |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 84 | struct cpu_map *cpus; |
Arnaldo Carvalho de Melo | bde0946 | 2012-08-01 18:53:11 -0300 | [diff] [blame] | 85 | unsigned int sample_size; |
Adrian Hunter | 7556257 | 2013-08-27 11:23:09 +0300 | [diff] [blame] | 86 | int id_pos; |
| 87 | int is_pos; |
Arnaldo Carvalho de Melo | 8606606 | 2015-05-15 17:29:56 -0300 | [diff] [blame^] | 88 | bool snapshot; |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 89 | bool supported; |
Arnaldo Carvalho de Melo | 0807d2d | 2012-09-26 12:48:18 -0300 | [diff] [blame] | 90 | bool needs_swap; |
Adrian Hunter | 6ff1ce7 | 2014-07-14 13:02:56 +0300 | [diff] [blame] | 91 | bool no_aux_samples; |
Adrian Hunter | 2afd2bc | 2014-07-14 13:02:57 +0300 | [diff] [blame] | 92 | bool immediate; |
Adrian Hunter | bf8e8f4 | 2014-07-31 09:00:51 +0300 | [diff] [blame] | 93 | bool system_wide; |
Adrian Hunter | 60b0896 | 2014-07-31 09:00:52 +0300 | [diff] [blame] | 94 | bool tracking; |
Matt Fleming | 044330c | 2014-11-21 10:31:12 +0100 | [diff] [blame] | 95 | bool per_pkg; |
Jiri Olsa | f5b1135 | 2012-08-08 12:21:54 +0200 | [diff] [blame] | 96 | /* parse modifier helper */ |
| 97 | int exclude_GH; |
Namhyung Kim | 97f63e4 | 2013-01-22 18:09:29 +0900 | [diff] [blame] | 98 | int nr_members; |
Jiri Olsa | 3c17631 | 2012-10-10 17:39:03 +0200 | [diff] [blame] | 99 | int sample_read; |
Arnaldo Carvalho de Melo | 8606606 | 2015-05-15 17:29:56 -0300 | [diff] [blame^] | 100 | unsigned long *per_pkg_mask; |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 101 | struct perf_evsel *leader; |
| 102 | char *group_name; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 103 | }; |
| 104 | |
Borislav Petkov | 88080ce | 2014-04-14 17:38:39 +0200 | [diff] [blame] | 105 | union u64_swap { |
| 106 | u64 val64; |
| 107 | u32 val32[2]; |
| 108 | }; |
| 109 | |
Arnaldo Carvalho de Melo | 86bd5e8 | 2011-01-03 23:09:46 -0200 | [diff] [blame] | 110 | struct cpu_map; |
Arnaldo Carvalho de Melo | 80b2210 | 2014-10-13 10:29:50 -0300 | [diff] [blame] | 111 | struct target; |
Arnaldo Carvalho de Melo | 86bd5e8 | 2011-01-03 23:09:46 -0200 | [diff] [blame] | 112 | struct thread_map; |
Arnaldo Carvalho de Melo | 70082dd | 2011-01-12 17:03:24 -0200 | [diff] [blame] | 113 | struct perf_evlist; |
Arnaldo Carvalho de Melo | b400679 | 2013-12-19 14:43:45 -0300 | [diff] [blame] | 114 | struct record_opts; |
Arnaldo Carvalho de Melo | 86bd5e8 | 2011-01-03 23:09:46 -0200 | [diff] [blame] | 115 | |
Jiri Olsa | 13112bb | 2014-11-21 10:31:06 +0100 | [diff] [blame] | 116 | void perf_counts_values__scale(struct perf_counts_values *count, |
| 117 | bool scale, s8 *pscaled); |
| 118 | |
Jiri Olsa | 857a94a | 2014-11-21 10:31:05 +0100 | [diff] [blame] | 119 | void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, |
| 120 | struct perf_counts_values *count); |
| 121 | |
Arnaldo Carvalho de Melo | ce8ccff | 2014-10-09 15:29:51 -0300 | [diff] [blame] | 122 | int perf_evsel__object_config(size_t object_size, |
| 123 | int (*init)(struct perf_evsel *evsel), |
| 124 | void (*fini)(struct perf_evsel *evsel)); |
| 125 | |
Arnaldo Carvalho de Melo | ef50383 | 2013-11-07 16:41:19 -0300 | [diff] [blame] | 126 | struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx); |
| 127 | |
| 128 | static inline struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr) |
| 129 | { |
| 130 | return perf_evsel__new_idx(attr, 0); |
| 131 | } |
| 132 | |
| 133 | struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int idx); |
| 134 | |
| 135 | static inline struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name) |
| 136 | { |
| 137 | return perf_evsel__newtp_idx(sys, name, 0); |
| 138 | } |
Arnaldo Carvalho de Melo | 201b733 | 2012-09-26 20:24:19 -0300 | [diff] [blame] | 139 | |
| 140 | struct event_format *event_format__new(const char *sys, const char *name); |
| 141 | |
Arnaldo Carvalho de Melo | ef1d1af | 2011-01-18 21:41:45 -0200 | [diff] [blame] | 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); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 145 | void perf_evsel__delete(struct perf_evsel *evsel); |
| 146 | |
Arnaldo Carvalho de Melo | 0f82ebc | 2011-11-08 14:41:57 -0200 | [diff] [blame] | 147 | void perf_evsel__config(struct perf_evsel *evsel, |
Arnaldo Carvalho de Melo | b400679 | 2013-12-19 14:43:45 -0300 | [diff] [blame] | 148 | struct record_opts *opts); |
Arnaldo Carvalho de Melo | 0f82ebc | 2011-11-08 14:41:57 -0200 | [diff] [blame] | 149 | |
Adrian Hunter | 7556257 | 2013-08-27 11:23:09 +0300 | [diff] [blame] | 150 | int __perf_evsel__sample_size(u64 sample_type); |
| 151 | void perf_evsel__calc_id_pos(struct perf_evsel *evsel); |
| 152 | |
Arnaldo Carvalho de Melo | 0b668bc | 2012-06-11 14:08:07 -0300 | [diff] [blame] | 153 | bool perf_evsel__is_cache_op_valid(u8 type, u8 op); |
| 154 | |
| 155 | #define PERF_EVSEL__MAX_ALIASES 8 |
| 156 | |
| 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]; |
Arnaldo Carvalho de Melo | 8ad7013 | 2012-09-06 13:11:18 -0300 | [diff] [blame] | 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]; |
Arnaldo Carvalho de Melo | 0b668bc | 2012-06-11 14:08:07 -0300 | [diff] [blame] | 165 | int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, |
| 166 | char *bf, size_t size); |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 167 | const char *perf_evsel__name(struct perf_evsel *evsel); |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 168 | |
Namhyung Kim | 717e263 | 2013-01-22 18:09:44 +0900 | [diff] [blame] | 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); |
Arnaldo Carvalho de Melo | c410431 | 2012-05-25 16:38:11 -0300 | [diff] [blame] | 171 | |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 172 | int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads); |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 173 | int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 174 | void perf_evsel__reset_counts(struct perf_evsel *evsel, int ncpus); |
Namhyung Kim | 43f8e76 | 2013-01-25 10:44:44 +0900 | [diff] [blame] | 175 | void perf_evsel__free_counts(struct perf_evsel *evsel); |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 176 | void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 177 | |
Arnaldo Carvalho de Melo | 7be5ebe | 2012-12-10 14:53:43 -0300 | [diff] [blame] | 178 | void __perf_evsel__set_sample_bit(struct perf_evsel *evsel, |
| 179 | enum perf_event_sample_format bit); |
| 180 | void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel, |
| 181 | enum perf_event_sample_format bit); |
| 182 | |
| 183 | #define perf_evsel__set_sample_bit(evsel, bit) \ |
| 184 | __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit) |
| 185 | |
| 186 | #define perf_evsel__reset_sample_bit(evsel, bit) \ |
| 187 | __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit) |
| 188 | |
Adrian Hunter | 7556257 | 2013-08-27 11:23:09 +0300 | [diff] [blame] | 189 | void perf_evsel__set_sample_id(struct perf_evsel *evsel, |
| 190 | bool use_sample_identifier); |
Arnaldo Carvalho de Melo | 7a5a5ca | 2012-12-10 15:21:30 -0300 | [diff] [blame] | 191 | |
Arnaldo Carvalho de Melo | 745cefc | 2012-09-26 15:07:39 -0300 | [diff] [blame] | 192 | int perf_evsel__set_filter(struct perf_evsel *evsel, int ncpus, int nthreads, |
| 193 | const char *filter); |
Andi Kleen | e2407be | 2013-08-02 17:41:10 -0700 | [diff] [blame] | 194 | int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads); |
Arnaldo Carvalho de Melo | 745cefc | 2012-09-26 15:07:39 -0300 | [diff] [blame] | 195 | |
Arnaldo Carvalho de Melo | f08199d | 2011-01-11 23:42:19 -0200 | [diff] [blame] | 196 | int perf_evsel__open_per_cpu(struct perf_evsel *evsel, |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 197 | struct cpu_map *cpus); |
Arnaldo Carvalho de Melo | f08199d | 2011-01-11 23:42:19 -0200 | [diff] [blame] | 198 | int perf_evsel__open_per_thread(struct perf_evsel *evsel, |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 199 | struct thread_map *threads); |
Arnaldo Carvalho de Melo | f08199d | 2011-01-11 23:42:19 -0200 | [diff] [blame] | 200 | int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus, |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 201 | struct thread_map *threads); |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 202 | void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads); |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 203 | |
Arnaldo Carvalho de Melo | 5555ded | 2012-09-11 19:24:23 -0300 | [diff] [blame] | 204 | struct perf_sample; |
| 205 | |
Arnaldo Carvalho de Melo | 5d2074e | 2012-09-26 20:22:00 -0300 | [diff] [blame] | 206 | void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample, |
Arnaldo Carvalho de Melo | 5555ded | 2012-09-11 19:24:23 -0300 | [diff] [blame] | 207 | const char *name); |
| 208 | u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample, |
| 209 | const char *name); |
| 210 | |
Arnaldo Carvalho de Melo | 5d2074e | 2012-09-26 20:22:00 -0300 | [diff] [blame] | 211 | static inline char *perf_evsel__strval(struct perf_evsel *evsel, |
| 212 | struct perf_sample *sample, |
| 213 | const char *name) |
| 214 | { |
| 215 | return perf_evsel__rawptr(evsel, sample, name); |
| 216 | } |
| 217 | |
Arnaldo Carvalho de Melo | efd2b92 | 2012-09-18 11:21:50 -0300 | [diff] [blame] | 218 | struct format_field; |
| 219 | |
| 220 | struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name); |
| 221 | |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 222 | #define perf_evsel__match(evsel, t, c) \ |
| 223 | (evsel->attr.type == PERF_TYPE_##t && \ |
| 224 | evsel->attr.config == PERF_COUNT_##c) |
| 225 | |
Jiri Olsa | 863e451 | 2012-09-06 17:46:55 +0200 | [diff] [blame] | 226 | static inline bool perf_evsel__match2(struct perf_evsel *e1, |
| 227 | struct perf_evsel *e2) |
| 228 | { |
| 229 | return (e1->attr.type == e2->attr.type) && |
| 230 | (e1->attr.config == e2->attr.config); |
| 231 | } |
| 232 | |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 233 | #define perf_evsel__cmp(a, b) \ |
| 234 | ((a) && \ |
| 235 | (b) && \ |
| 236 | (a)->attr.type == (b)->attr.type && \ |
| 237 | (a)->attr.config == (b)->attr.config) |
| 238 | |
Jiri Olsa | 011dccb | 2014-11-21 10:31:07 +0100 | [diff] [blame] | 239 | typedef int (perf_evsel__read_cb_t)(struct perf_evsel *evsel, |
| 240 | int cpu, int thread, |
| 241 | struct perf_counts_values *count); |
| 242 | |
| 243 | int perf_evsel__read_cb(struct perf_evsel *evsel, int cpu, int thread, |
| 244 | perf_evsel__read_cb_t cb); |
| 245 | |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 246 | int __perf_evsel__read_on_cpu(struct perf_evsel *evsel, |
| 247 | int cpu, int thread, bool scale); |
| 248 | |
| 249 | /** |
| 250 | * perf_evsel__read_on_cpu - Read out the results on a CPU and thread |
| 251 | * |
| 252 | * @evsel - event selector to read value |
| 253 | * @cpu - CPU of interest |
| 254 | * @thread - thread of interest |
| 255 | */ |
| 256 | static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel, |
| 257 | int cpu, int thread) |
| 258 | { |
| 259 | return __perf_evsel__read_on_cpu(evsel, cpu, thread, false); |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled |
| 264 | * |
| 265 | * @evsel - event selector to read value |
| 266 | * @cpu - CPU of interest |
| 267 | * @thread - thread of interest |
| 268 | */ |
| 269 | static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel, |
| 270 | int cpu, int thread) |
| 271 | { |
| 272 | return __perf_evsel__read_on_cpu(evsel, cpu, thread, true); |
| 273 | } |
| 274 | |
Arnaldo Carvalho de Melo | a3f698f | 2012-08-02 12:23:46 -0300 | [diff] [blame] | 275 | int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event, |
Arnaldo Carvalho de Melo | 0807d2d | 2012-09-26 12:48:18 -0300 | [diff] [blame] | 276 | struct perf_sample *sample); |
Arnaldo Carvalho de Melo | 0c21f73 | 2012-08-14 16:42:15 -0300 | [diff] [blame] | 277 | |
| 278 | static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel) |
| 279 | { |
| 280 | return list_entry(evsel->node.next, struct perf_evsel, node); |
| 281 | } |
Arnaldo Carvalho de Melo | 07ac002 | 2012-11-13 17:27:28 -0300 | [diff] [blame] | 282 | |
Arnaldo Carvalho de Melo | d87fcb4 | 2013-11-13 15:56:40 -0300 | [diff] [blame] | 283 | static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel) |
| 284 | { |
| 285 | return list_entry(evsel->node.prev, struct perf_evsel, node); |
| 286 | } |
| 287 | |
Namhyung Kim | 759ff49 | 2013-03-05 14:53:26 +0900 | [diff] [blame] | 288 | /** |
| 289 | * perf_evsel__is_group_leader - Return whether given evsel is a leader event |
| 290 | * |
| 291 | * @evsel - evsel selector to be tested |
| 292 | * |
| 293 | * Return %true if @evsel is a group leader or a stand-alone event |
| 294 | */ |
Namhyung Kim | 823254e | 2012-11-29 15:38:30 +0900 | [diff] [blame] | 295 | static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel) |
Arnaldo Carvalho de Melo | 07ac002 | 2012-11-13 17:27:28 -0300 | [diff] [blame] | 296 | { |
Namhyung Kim | 823254e | 2012-11-29 15:38:30 +0900 | [diff] [blame] | 297 | return evsel->leader == evsel; |
Arnaldo Carvalho de Melo | 07ac002 | 2012-11-13 17:27:28 -0300 | [diff] [blame] | 298 | } |
Arnaldo Carvalho de Melo | 0698aed | 2012-12-10 18:17:08 -0300 | [diff] [blame] | 299 | |
Namhyung Kim | 759ff49 | 2013-03-05 14:53:26 +0900 | [diff] [blame] | 300 | /** |
| 301 | * perf_evsel__is_group_event - Return whether given evsel is a group event |
| 302 | * |
| 303 | * @evsel - evsel selector to be tested |
| 304 | * |
| 305 | * Return %true iff event group view is enabled and @evsel is a actual group |
| 306 | * leader which has other members in the group |
| 307 | */ |
| 308 | static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel) |
| 309 | { |
| 310 | if (!symbol_conf.event_group) |
| 311 | return false; |
| 312 | |
| 313 | return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1; |
| 314 | } |
| 315 | |
Jiri Olsa | 6bedfab | 2014-03-02 16:56:40 +0100 | [diff] [blame] | 316 | /** |
| 317 | * perf_evsel__is_function_event - Return whether given evsel is a function |
| 318 | * trace event |
| 319 | * |
| 320 | * @evsel - evsel selector to be tested |
| 321 | * |
| 322 | * Return %true if event is function trace event |
| 323 | */ |
| 324 | static inline bool perf_evsel__is_function_event(struct perf_evsel *evsel) |
| 325 | { |
| 326 | #define FUNCTION_EVENT "ftrace:function" |
| 327 | |
| 328 | return evsel->name && |
| 329 | !strncmp(FUNCTION_EVENT, evsel->name, sizeof(FUNCTION_EVENT)); |
| 330 | |
| 331 | #undef FUNCTION_EVENT |
| 332 | } |
| 333 | |
Arnaldo Carvalho de Melo | 0698aed | 2012-12-10 18:17:08 -0300 | [diff] [blame] | 334 | struct perf_attr_details { |
| 335 | bool freq; |
| 336 | bool verbose; |
Arnaldo Carvalho de Melo | e35ef355 | 2013-02-06 17:20:02 -0300 | [diff] [blame] | 337 | bool event_group; |
Yunlong Song | 9e3b6ec | 2015-04-02 21:47:10 +0800 | [diff] [blame] | 338 | bool force; |
Arnaldo Carvalho de Melo | 0698aed | 2012-12-10 18:17:08 -0300 | [diff] [blame] | 339 | }; |
| 340 | |
| 341 | int perf_evsel__fprintf(struct perf_evsel *evsel, |
| 342 | struct perf_attr_details *details, FILE *fp); |
Arnaldo Carvalho de Melo | c0a5434 | 2012-12-13 14:16:30 -0300 | [diff] [blame] | 343 | |
| 344 | bool perf_evsel__fallback(struct perf_evsel *evsel, int err, |
| 345 | char *msg, size_t msgsize); |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 346 | int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target, |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 347 | int err, char *msg, size_t size); |
Namhyung Kim | 97f63e4 | 2013-01-22 18:09:29 +0900 | [diff] [blame] | 348 | |
| 349 | static inline int perf_evsel__group_idx(struct perf_evsel *evsel) |
| 350 | { |
| 351 | return evsel->idx - evsel->leader->idx; |
| 352 | } |
Namhyung Kim | 717e263 | 2013-01-22 18:09:44 +0900 | [diff] [blame] | 353 | |
| 354 | #define for_each_group_member(_evsel, _leader) \ |
| 355 | for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \ |
| 356 | (_evsel) && (_evsel)->leader == (_leader); \ |
| 357 | (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node)) |
| 358 | |
Kan Liang | 384b605 | 2015-01-05 13:23:05 -0500 | [diff] [blame] | 359 | static inline bool has_branch_callstack(struct perf_evsel *evsel) |
| 360 | { |
| 361 | return evsel->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK; |
| 362 | } |
Peter Zijlstra | 2c5e8c5 | 2015-04-07 11:09:54 +0200 | [diff] [blame] | 363 | |
| 364 | typedef int (*attr__fprintf_f)(FILE *, const char *, const char *, void *); |
| 365 | |
| 366 | int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr, |
| 367 | attr__fprintf_f attr__fprintf, void *priv); |
| 368 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 369 | #endif /* __PERF_EVSEL_H */ |