1 #ifndef __PERF_SESSION_H
2 #define __PERF_SESSION_H
9 #include <linux/rbtree.h>
10 #include "../../../include/linux/perf_event.h"
16 struct ordered_samples
{
20 struct list_head samples
;
21 struct list_head sample_cache
;
22 struct list_head to_free
;
23 struct sample_queue
*sample_buffer
;
24 struct sample_queue
*last_sample
;
25 int sample_buffer_idx
;
29 struct perf_header header
;
31 unsigned long mmap_window
;
32 struct rb_root threads
;
33 struct list_head dead_threads
;
34 struct thread
*last_match
;
35 struct machine host_machine
;
36 struct rb_root machines
;
37 struct perf_evlist
*evlist
;
39 * FIXME: Need to split this up further, we need global
40 * stats + per event stats. 'perf diff' also needs
41 * to properly support multiple events in a single
53 struct ordered_samples ordered_samples
;
54 struct callchain_cursor callchain_cursor
;
58 struct perf_event_ops
;
60 typedef int (*event_op
)(union perf_event
*self
, struct perf_sample
*sample
,
61 struct perf_session
*session
);
62 typedef int (*event_synth_op
)(union perf_event
*self
,
63 struct perf_session
*session
);
64 typedef int (*event_op2
)(union perf_event
*self
, struct perf_session
*session
,
65 struct perf_event_ops
*ops
);
67 struct perf_event_ops
{
81 event_op2 finished_round
;
83 bool ordering_requires_timestamps
;
86 struct perf_session
*perf_session__new(const char *filename
, int mode
,
87 bool force
, bool repipe
,
88 struct perf_event_ops
*ops
);
89 void perf_session__delete(struct perf_session
*self
);
91 void perf_event_header__bswap(struct perf_event_header
*self
);
93 int __perf_session__process_events(struct perf_session
*self
,
94 u64 data_offset
, u64 data_size
, u64 size
,
95 struct perf_event_ops
*ops
);
96 int perf_session__process_events(struct perf_session
*self
,
97 struct perf_event_ops
*event_ops
);
99 int perf_session__resolve_callchain(struct perf_session
*self
,
100 struct thread
*thread
,
101 struct ip_callchain
*chain
,
102 struct symbol
**parent
);
104 bool perf_session__has_traces(struct perf_session
*self
, const char *msg
);
106 int perf_session__set_kallsyms_ref_reloc_sym(struct map
**maps
,
107 const char *symbol_name
,
110 void mem_bswap_64(void *src
, int byte_size
);
112 int perf_session__create_kernel_maps(struct perf_session
*self
);
114 void perf_session__update_sample_type(struct perf_session
*self
);
115 void perf_session__set_sample_id_all(struct perf_session
*session
, bool value
);
116 void perf_session__set_sample_type(struct perf_session
*session
, u64 type
);
117 void perf_session__remove_thread(struct perf_session
*self
, struct thread
*th
);
120 struct machine
*perf_session__find_host_machine(struct perf_session
*self
)
122 return &self
->host_machine
;
126 struct machine
*perf_session__find_machine(struct perf_session
*self
, pid_t pid
)
128 if (pid
== HOST_KERNEL_ID
)
129 return &self
->host_machine
;
130 return machines__find(&self
->machines
, pid
);
134 struct machine
*perf_session__findnew_machine(struct perf_session
*self
, pid_t pid
)
136 if (pid
== HOST_KERNEL_ID
)
137 return &self
->host_machine
;
138 return machines__findnew(&self
->machines
, pid
);
142 void perf_session__process_machines(struct perf_session
*self
,
143 machine__process_t process
)
145 process(&self
->host_machine
, self
);
146 return machines__process(&self
->machines
, process
, self
);
149 size_t perf_session__fprintf_dsos(struct perf_session
*self
, FILE *fp
);
151 size_t perf_session__fprintf_dsos_buildid(struct perf_session
*self
,
152 FILE *fp
, bool with_hits
);
154 size_t perf_session__fprintf_nr_events(struct perf_session
*session
, FILE *fp
);
156 static inline int perf_session__parse_sample(struct perf_session
*session
,
157 const union perf_event
*event
,
158 struct perf_sample
*sample
)
160 return perf_event__parse_sample(event
, session
->sample_type
,
161 session
->sample_id_all
, sample
);
164 #endif /* __PERF_SESSION_H */