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_idx(struct perf_event_attr
*attr
, int idx
);
101 static inline struct perf_evsel
*perf_evsel__new(struct perf_event_attr
*attr
)
103 return perf_evsel__new_idx(attr
, 0);
106 struct perf_evsel
*perf_evsel__newtp_idx(const char *sys
, const char *name
, int idx
);
108 static inline struct perf_evsel
*perf_evsel__newtp(const char *sys
, const char *name
)
110 return perf_evsel__newtp_idx(sys
, name
, 0);
113 struct event_format
*event_format__new(const char *sys
, const char *name
);
115 void perf_evsel__init(struct perf_evsel
*evsel
,
116 struct perf_event_attr
*attr
, int idx
);
117 void perf_evsel__exit(struct perf_evsel
*evsel
);
118 void perf_evsel__delete(struct perf_evsel
*evsel
);
120 void perf_evsel__config(struct perf_evsel
*evsel
,
121 struct perf_record_opts
*opts
);
123 int __perf_evsel__sample_size(u64 sample_type
);
124 void perf_evsel__calc_id_pos(struct perf_evsel
*evsel
);
126 bool perf_evsel__is_cache_op_valid(u8 type
, u8 op
);
128 #define PERF_EVSEL__MAX_ALIASES 8
130 extern const char *perf_evsel__hw_cache
[PERF_COUNT_HW_CACHE_MAX
]
131 [PERF_EVSEL__MAX_ALIASES
];
132 extern const char *perf_evsel__hw_cache_op
[PERF_COUNT_HW_CACHE_OP_MAX
]
133 [PERF_EVSEL__MAX_ALIASES
];
134 extern const char *perf_evsel__hw_cache_result
[PERF_COUNT_HW_CACHE_RESULT_MAX
]
135 [PERF_EVSEL__MAX_ALIASES
];
136 extern const char *perf_evsel__hw_names
[PERF_COUNT_HW_MAX
];
137 extern const char *perf_evsel__sw_names
[PERF_COUNT_SW_MAX
];
138 int __perf_evsel__hw_cache_type_op_res_name(u8 type
, u8 op
, u8 result
,
139 char *bf
, size_t size
);
140 const char *perf_evsel__name(struct perf_evsel
*evsel
);
141 const char *perf_evsel__group_name(struct perf_evsel
*evsel
);
142 int perf_evsel__group_desc(struct perf_evsel
*evsel
, char *buf
, size_t size
);
144 int perf_evsel__alloc_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
145 int perf_evsel__alloc_id(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
146 int perf_evsel__alloc_counts(struct perf_evsel
*evsel
, int ncpus
);
147 void perf_evsel__reset_counts(struct perf_evsel
*evsel
, int ncpus
);
148 void perf_evsel__free_fd(struct perf_evsel
*evsel
);
149 void perf_evsel__free_id(struct perf_evsel
*evsel
);
150 void perf_evsel__free_counts(struct perf_evsel
*evsel
);
151 void perf_evsel__close_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
153 void __perf_evsel__set_sample_bit(struct perf_evsel
*evsel
,
154 enum perf_event_sample_format bit
);
155 void __perf_evsel__reset_sample_bit(struct perf_evsel
*evsel
,
156 enum perf_event_sample_format bit
);
158 #define perf_evsel__set_sample_bit(evsel, bit) \
159 __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
161 #define perf_evsel__reset_sample_bit(evsel, bit) \
162 __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
164 void perf_evsel__set_sample_id(struct perf_evsel
*evsel
,
165 bool use_sample_identifier
);
167 int perf_evsel__set_filter(struct perf_evsel
*evsel
, int ncpus
, int nthreads
,
169 int perf_evsel__enable(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
171 int perf_evsel__open_per_cpu(struct perf_evsel
*evsel
,
172 struct cpu_map
*cpus
);
173 int perf_evsel__open_per_thread(struct perf_evsel
*evsel
,
174 struct thread_map
*threads
);
175 int perf_evsel__open(struct perf_evsel
*evsel
, struct cpu_map
*cpus
,
176 struct thread_map
*threads
);
177 void perf_evsel__close(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
181 void *perf_evsel__rawptr(struct perf_evsel
*evsel
, struct perf_sample
*sample
,
183 u64
perf_evsel__intval(struct perf_evsel
*evsel
, struct perf_sample
*sample
,
186 static inline char *perf_evsel__strval(struct perf_evsel
*evsel
,
187 struct perf_sample
*sample
,
190 return perf_evsel__rawptr(evsel
, sample
, name
);
195 struct format_field
*perf_evsel__field(struct perf_evsel
*evsel
, const char *name
);
197 #define perf_evsel__match(evsel, t, c) \
198 (evsel->attr.type == PERF_TYPE_##t && \
199 evsel->attr.config == PERF_COUNT_##c)
201 static inline bool perf_evsel__match2(struct perf_evsel
*e1
,
202 struct perf_evsel
*e2
)
204 return (e1
->attr
.type
== e2
->attr
.type
) &&
205 (e1
->attr
.config
== e2
->attr
.config
);
208 #define perf_evsel__cmp(a, b) \
211 (a)->attr.type == (b)->attr.type && \
212 (a)->attr.config == (b)->attr.config)
214 int __perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
215 int cpu
, int thread
, bool scale
);
218 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
220 * @evsel - event selector to read value
221 * @cpu - CPU of interest
222 * @thread - thread of interest
224 static inline int perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
227 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, false);
231 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
233 * @evsel - event selector to read value
234 * @cpu - CPU of interest
235 * @thread - thread of interest
237 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel
*evsel
,
240 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, true);
243 int __perf_evsel__read(struct perf_evsel
*evsel
, int ncpus
, int nthreads
,
247 * perf_evsel__read - Read the aggregate results on all CPUs
249 * @evsel - event selector to read value
250 * @ncpus - Number of cpus affected, from zero
251 * @nthreads - Number of threads affected, from zero
253 static inline int perf_evsel__read(struct perf_evsel
*evsel
,
254 int ncpus
, int nthreads
)
256 return __perf_evsel__read(evsel
, ncpus
, nthreads
, false);
260 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
262 * @evsel - event selector to read value
263 * @ncpus - Number of cpus affected, from zero
264 * @nthreads - Number of threads affected, from zero
266 static inline int perf_evsel__read_scaled(struct perf_evsel
*evsel
,
267 int ncpus
, int nthreads
)
269 return __perf_evsel__read(evsel
, ncpus
, nthreads
, true);
272 void hists__init(struct hists
*hists
);
274 int perf_evsel__parse_sample(struct perf_evsel
*evsel
, union perf_event
*event
,
275 struct perf_sample
*sample
);
277 static inline struct perf_evsel
*perf_evsel__next(struct perf_evsel
*evsel
)
279 return list_entry(evsel
->node
.next
, struct perf_evsel
, node
);
283 * perf_evsel__is_group_leader - Return whether given evsel is a leader event
285 * @evsel - evsel selector to be tested
287 * Return %true if @evsel is a group leader or a stand-alone event
289 static inline bool perf_evsel__is_group_leader(const struct perf_evsel
*evsel
)
291 return evsel
->leader
== evsel
;
295 * perf_evsel__is_group_event - Return whether given evsel is a group event
297 * @evsel - evsel selector to be tested
299 * Return %true iff event group view is enabled and @evsel is a actual group
300 * leader which has other members in the group
302 static inline bool perf_evsel__is_group_event(struct perf_evsel
*evsel
)
304 if (!symbol_conf
.event_group
)
307 return perf_evsel__is_group_leader(evsel
) && evsel
->nr_members
> 1;
310 struct perf_attr_details
{
316 int perf_evsel__fprintf(struct perf_evsel
*evsel
,
317 struct perf_attr_details
*details
, FILE *fp
);
319 bool perf_evsel__fallback(struct perf_evsel
*evsel
, int err
,
320 char *msg
, size_t msgsize
);
321 int perf_evsel__open_strerror(struct perf_evsel
*evsel
, struct target
*target
,
322 int err
, char *msg
, size_t size
);
324 static inline int perf_evsel__group_idx(struct perf_evsel
*evsel
)
326 return evsel
->idx
- evsel
->leader
->idx
;
329 #define for_each_group_member(_evsel, _leader) \
330 for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
331 (_evsel) && (_evsel)->leader == (_leader); \
332 (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
334 #endif /* __PERF_EVSEL_H */