2 #define __PERF_EVSEL_H 1
4 #include <linux/list.h>
7 #include <linux/perf_event.h>
14 struct perf_counts_values
{
27 struct perf_counts_values aggr
;
28 struct perf_counts_values cpu
[];
34 * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
35 * more than one entry in the evlist.
37 struct perf_sample_id
{
38 struct hlist_node node
;
40 struct perf_evsel
*evsel
;
42 /* Holds total ID period value for PERF_SAMPLE_READ processing. */
46 /** struct perf_evsel - event selector
48 * @name - Can be set to retain the original event name passed by the user,
49 * so that when showing results in tools such as 'perf stat', we
50 * show the name used, not some alias.
51 * @id_pos: the position of the event id (PERF_SAMPLE_ID or
52 * PERF_SAMPLE_IDENTIFIER) in a sample event i.e. in the array of
54 * @is_pos: the position (counting backwards) of the event id (PERF_SAMPLE_ID or
55 * PERF_SAMPLE_IDENTIFIER) in a non-sample event i.e. if sample_id_all
56 * is used there is an id sample appended to non-sample events
59 struct list_head node
;
60 struct perf_event_attr attr
;
63 struct xyarray
*sample_id
;
65 struct perf_counts
*counts
;
66 struct perf_counts
*prev_raw_counts
;
71 struct event_format
*tp_format
;
76 struct cgroup_sel
*cgrp
;
79 unsigned int sample_size
;
84 /* parse modifier helper */
88 struct perf_evsel
*leader
;
92 #define hists_to_evsel(h) container_of(h, struct perf_evsel, hists)
97 struct perf_record_opts
;
99 struct perf_evsel
*perf_evsel__new(struct perf_event_attr
*attr
, int idx
);
100 struct perf_evsel
*perf_evsel__newtp(const char *sys
, const char *name
, int idx
);
102 struct event_format
*event_format__new(const char *sys
, const char *name
);
104 void perf_evsel__init(struct perf_evsel
*evsel
,
105 struct perf_event_attr
*attr
, int idx
);
106 void perf_evsel__exit(struct perf_evsel
*evsel
);
107 void perf_evsel__delete(struct perf_evsel
*evsel
);
109 void perf_evsel__config(struct perf_evsel
*evsel
,
110 struct perf_record_opts
*opts
);
112 int __perf_evsel__sample_size(u64 sample_type
);
113 void perf_evsel__calc_id_pos(struct perf_evsel
*evsel
);
115 bool perf_evsel__is_cache_op_valid(u8 type
, u8 op
);
117 #define PERF_EVSEL__MAX_ALIASES 8
119 extern const char *perf_evsel__hw_cache
[PERF_COUNT_HW_CACHE_MAX
]
120 [PERF_EVSEL__MAX_ALIASES
];
121 extern const char *perf_evsel__hw_cache_op
[PERF_COUNT_HW_CACHE_OP_MAX
]
122 [PERF_EVSEL__MAX_ALIASES
];
123 extern const char *perf_evsel__hw_cache_result
[PERF_COUNT_HW_CACHE_RESULT_MAX
]
124 [PERF_EVSEL__MAX_ALIASES
];
125 extern const char *perf_evsel__hw_names
[PERF_COUNT_HW_MAX
];
126 extern const char *perf_evsel__sw_names
[PERF_COUNT_SW_MAX
];
127 int __perf_evsel__hw_cache_type_op_res_name(u8 type
, u8 op
, u8 result
,
128 char *bf
, size_t size
);
129 const char *perf_evsel__name(struct perf_evsel
*evsel
);
130 const char *perf_evsel__group_name(struct perf_evsel
*evsel
);
131 int perf_evsel__group_desc(struct perf_evsel
*evsel
, char *buf
, size_t size
);
133 int perf_evsel__alloc_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
134 int perf_evsel__alloc_id(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
135 int perf_evsel__alloc_counts(struct perf_evsel
*evsel
, int ncpus
);
136 void perf_evsel__reset_counts(struct perf_evsel
*evsel
, int ncpus
);
137 void perf_evsel__free_fd(struct perf_evsel
*evsel
);
138 void perf_evsel__free_id(struct perf_evsel
*evsel
);
139 void perf_evsel__free_counts(struct perf_evsel
*evsel
);
140 void perf_evsel__close_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
142 void __perf_evsel__set_sample_bit(struct perf_evsel
*evsel
,
143 enum perf_event_sample_format bit
);
144 void __perf_evsel__reset_sample_bit(struct perf_evsel
*evsel
,
145 enum perf_event_sample_format bit
);
147 #define perf_evsel__set_sample_bit(evsel, bit) \
148 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
150 #define perf_evsel__reset_sample_bit(evsel, bit) \
151 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
153 void perf_evsel__set_sample_id(struct perf_evsel
*evsel
,
154 bool use_sample_identifier
);
156 int perf_evsel__set_filter(struct perf_evsel
*evsel
, int ncpus
, int nthreads
,
158 int perf_evsel__enable(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
160 int perf_evsel__open_per_cpu(struct perf_evsel
*evsel
,
161 struct cpu_map
*cpus
);
162 int perf_evsel__open_per_thread(struct perf_evsel
*evsel
,
163 struct thread_map
*threads
);
164 int perf_evsel__open(struct perf_evsel
*evsel
, struct cpu_map
*cpus
,
165 struct thread_map
*threads
);
166 void perf_evsel__close(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
170 void *perf_evsel__rawptr(struct perf_evsel
*evsel
, struct perf_sample
*sample
,
172 u64
perf_evsel__intval(struct perf_evsel
*evsel
, struct perf_sample
*sample
,
175 static inline char *perf_evsel__strval(struct perf_evsel
*evsel
,
176 struct perf_sample
*sample
,
179 return perf_evsel__rawptr(evsel
, sample
, name
);
184 struct format_field
*perf_evsel__field(struct perf_evsel
*evsel
, const char *name
);
186 #define perf_evsel__match(evsel, t, c) \
187 (evsel->attr.type == PERF_TYPE_##t && \
188 evsel->attr.config == PERF_COUNT_##c)
190 static inline bool perf_evsel__match2(struct perf_evsel
*e1
,
191 struct perf_evsel
*e2
)
193 return (e1
->attr
.type
== e2
->attr
.type
) &&
194 (e1
->attr
.config
== e2
->attr
.config
);
197 #define perf_evsel__cmp(a, b) \
200 (a)->attr.type == (b)->attr.type && \
201 (a)->attr.config == (b)->attr.config)
203 int __perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
204 int cpu
, int thread
, bool scale
);
207 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
209 * @evsel - event selector to read value
210 * @cpu - CPU of interest
211 * @thread - thread of interest
213 static inline int perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
216 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, false);
220 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
222 * @evsel - event selector to read value
223 * @cpu - CPU of interest
224 * @thread - thread of interest
226 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel
*evsel
,
229 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, true);
232 int __perf_evsel__read(struct perf_evsel
*evsel
, int ncpus
, int nthreads
,
236 * perf_evsel__read - Read the aggregate results on all CPUs
238 * @evsel - event selector to read value
239 * @ncpus - Number of cpus affected, from zero
240 * @nthreads - Number of threads affected, from zero
242 static inline int perf_evsel__read(struct perf_evsel
*evsel
,
243 int ncpus
, int nthreads
)
245 return __perf_evsel__read(evsel
, ncpus
, nthreads
, false);
249 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
251 * @evsel - event selector to read value
252 * @ncpus - Number of cpus affected, from zero
253 * @nthreads - Number of threads affected, from zero
255 static inline int perf_evsel__read_scaled(struct perf_evsel
*evsel
,
256 int ncpus
, int nthreads
)
258 return __perf_evsel__read(evsel
, ncpus
, nthreads
, true);
261 void hists__init(struct hists
*hists
);
263 int perf_evsel__parse_sample(struct perf_evsel
*evsel
, union perf_event
*event
,
264 struct perf_sample
*sample
);
266 static inline struct perf_evsel
*perf_evsel__next(struct perf_evsel
*evsel
)
268 return list_entry(evsel
->node
.next
, struct perf_evsel
, node
);
272 * perf_evsel__is_group_leader - Return whether given evsel is a leader event
274 * @evsel - evsel selector to be tested
276 * Return %true if @evsel is a group leader or a stand-alone event
278 static inline bool perf_evsel__is_group_leader(const struct perf_evsel
*evsel
)
280 return evsel
->leader
== evsel
;
284 * perf_evsel__is_group_event - Return whether given evsel is a group event
286 * @evsel - evsel selector to be tested
288 * Return %true iff event group view is enabled and @evsel is a actual group
289 * leader which has other members in the group
291 static inline bool perf_evsel__is_group_event(struct perf_evsel
*evsel
)
293 if (!symbol_conf
.event_group
)
296 return perf_evsel__is_group_leader(evsel
) && evsel
->nr_members
> 1;
299 struct perf_attr_details
{
305 int perf_evsel__fprintf(struct perf_evsel
*evsel
,
306 struct perf_attr_details
*details
, FILE *fp
);
308 bool perf_evsel__fallback(struct perf_evsel
*evsel
, int err
,
309 char *msg
, size_t msgsize
);
310 int perf_evsel__open_strerror(struct perf_evsel
*evsel
,
311 struct perf_target
*target
,
312 int err
, char *msg
, size_t size
);
314 static inline int perf_evsel__group_idx(struct perf_evsel
*evsel
)
316 return evsel
->idx
- evsel
->leader
->idx
;
319 #define for_each_group_member(_evsel, _leader) \
320 for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
321 (_evsel) && (_evsel)->leader == (_leader); \
322 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
324 #endif /* __PERF_EVSEL_H */