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
;
60 struct event_format
*tp_format
;
65 struct cgroup_sel
*cgrp
;
71 unsigned int sample_size
;
74 /* parse modifier helper */
76 struct perf_evsel
*leader
;
83 struct perf_record_opts
;
85 struct perf_evsel
*perf_evsel__new(struct perf_event_attr
*attr
, int idx
);
86 struct perf_evsel
*perf_evsel__newtp(const char *sys
, const char *name
, int idx
);
88 struct event_format
*event_format__new(const char *sys
, const char *name
);
90 void perf_evsel__init(struct perf_evsel
*evsel
,
91 struct perf_event_attr
*attr
, int idx
);
92 void perf_evsel__exit(struct perf_evsel
*evsel
);
93 void perf_evsel__delete(struct perf_evsel
*evsel
);
95 void perf_evsel__config(struct perf_evsel
*evsel
,
96 struct perf_record_opts
*opts
,
97 struct perf_evsel
*first
);
99 bool perf_evsel__is_cache_op_valid(u8 type
, u8 op
);
101 #define PERF_EVSEL__MAX_ALIASES 8
103 extern const char *perf_evsel__hw_cache
[PERF_COUNT_HW_CACHE_MAX
]
104 [PERF_EVSEL__MAX_ALIASES
];
105 extern const char *perf_evsel__hw_cache_op
[PERF_COUNT_HW_CACHE_OP_MAX
]
106 [PERF_EVSEL__MAX_ALIASES
];
107 extern const char *perf_evsel__hw_cache_result
[PERF_COUNT_HW_CACHE_RESULT_MAX
]
108 [PERF_EVSEL__MAX_ALIASES
];
109 extern const char *perf_evsel__hw_names
[PERF_COUNT_HW_MAX
];
110 extern const char *perf_evsel__sw_names
[PERF_COUNT_SW_MAX
];
111 int __perf_evsel__hw_cache_type_op_res_name(u8 type
, u8 op
, u8 result
,
112 char *bf
, size_t size
);
113 const char *perf_evsel__name(struct perf_evsel
*evsel
);
115 int perf_evsel__alloc_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
116 int perf_evsel__alloc_id(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
117 int perf_evsel__alloc_counts(struct perf_evsel
*evsel
, int ncpus
);
118 void perf_evsel__free_fd(struct perf_evsel
*evsel
);
119 void perf_evsel__free_id(struct perf_evsel
*evsel
);
120 void perf_evsel__close_fd(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
122 int perf_evsel__set_filter(struct perf_evsel
*evsel
, int ncpus
, int nthreads
,
125 int perf_evsel__open_per_cpu(struct perf_evsel
*evsel
,
126 struct cpu_map
*cpus
);
127 int perf_evsel__open_per_thread(struct perf_evsel
*evsel
,
128 struct thread_map
*threads
);
129 int perf_evsel__open(struct perf_evsel
*evsel
, struct cpu_map
*cpus
,
130 struct thread_map
*threads
);
131 void perf_evsel__close(struct perf_evsel
*evsel
, int ncpus
, int nthreads
);
135 void *perf_evsel__rawptr(struct perf_evsel
*evsel
, struct perf_sample
*sample
,
137 u64
perf_evsel__intval(struct perf_evsel
*evsel
, struct perf_sample
*sample
,
140 static inline char *perf_evsel__strval(struct perf_evsel
*evsel
,
141 struct perf_sample
*sample
,
144 return perf_evsel__rawptr(evsel
, sample
, name
);
149 struct format_field
*perf_evsel__field(struct perf_evsel
*evsel
, const char *name
);
151 #define perf_evsel__match(evsel, t, c) \
152 (evsel->attr.type == PERF_TYPE_##t && \
153 evsel->attr.config == PERF_COUNT_##c)
155 static inline bool perf_evsel__match2(struct perf_evsel
*e1
,
156 struct perf_evsel
*e2
)
158 return (e1
->attr
.type
== e2
->attr
.type
) &&
159 (e1
->attr
.config
== e2
->attr
.config
);
162 int __perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
163 int cpu
, int thread
, bool scale
);
166 * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
168 * @evsel - event selector to read value
169 * @cpu - CPU of interest
170 * @thread - thread of interest
172 static inline int perf_evsel__read_on_cpu(struct perf_evsel
*evsel
,
175 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, false);
179 * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
181 * @evsel - event selector to read value
182 * @cpu - CPU of interest
183 * @thread - thread of interest
185 static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel
*evsel
,
188 return __perf_evsel__read_on_cpu(evsel
, cpu
, thread
, true);
191 int __perf_evsel__read(struct perf_evsel
*evsel
, int ncpus
, int nthreads
,
195 * perf_evsel__read - Read the aggregate results on all CPUs
197 * @evsel - event selector to read value
198 * @ncpus - Number of cpus affected, from zero
199 * @nthreads - Number of threads affected, from zero
201 static inline int perf_evsel__read(struct perf_evsel
*evsel
,
202 int ncpus
, int nthreads
)
204 return __perf_evsel__read(evsel
, ncpus
, nthreads
, false);
208 * perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
210 * @evsel - event selector to read value
211 * @ncpus - Number of cpus affected, from zero
212 * @nthreads - Number of threads affected, from zero
214 static inline int perf_evsel__read_scaled(struct perf_evsel
*evsel
,
215 int ncpus
, int nthreads
)
217 return __perf_evsel__read(evsel
, ncpus
, nthreads
, true);
220 void hists__init(struct hists
*hists
);
222 int perf_evsel__parse_sample(struct perf_evsel
*evsel
, union perf_event
*event
,
223 struct perf_sample
*sample
);
225 static inline struct perf_evsel
*perf_evsel__next(struct perf_evsel
*evsel
)
227 return list_entry(evsel
->node
.next
, struct perf_evsel
, node
);
229 #endif /* __PERF_EVSEL_H */