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
;
26 unsigned int nr_samples
;
30 struct perf_header header
;
32 unsigned long mmap_window
;
33 struct rb_root threads
;
34 struct list_head dead_threads
;
35 struct thread
*last_match
;
36 struct machine host_machine
;
37 struct rb_root machines
;
38 struct perf_evlist
*evlist
;
40 * FIXME: Need to split this up further, we need global
41 * stats + per event stats. 'perf diff' also needs
42 * to properly support multiple events in a single
55 struct ordered_samples ordered_samples
;
56 struct callchain_cursor callchain_cursor
;
61 struct perf_event_ops
;
63 typedef int (*event_sample
)(union perf_event
*event
, struct perf_sample
*sample
,
64 struct perf_evsel
*evsel
, struct perf_session
*session
);
65 typedef int (*event_op
)(union perf_event
*self
, struct perf_sample
*sample
,
66 struct perf_session
*session
);
67 typedef int (*event_synth_op
)(union perf_event
*self
,
68 struct perf_session
*session
);
69 typedef int (*event_op2
)(union perf_event
*self
, struct perf_session
*session
,
70 struct perf_event_ops
*ops
);
72 struct perf_event_ops
{
86 event_op2 finished_round
;
88 bool ordering_requires_timestamps
;
91 struct perf_session
*perf_session__new(const char *filename
, int mode
,
92 bool force
, bool repipe
,
93 struct perf_event_ops
*ops
);
94 void perf_session__delete(struct perf_session
*self
);
96 void perf_event_header__bswap(struct perf_event_header
*self
);
98 int __perf_session__process_events(struct perf_session
*self
,
99 u64 data_offset
, u64 data_size
, u64 size
,
100 struct perf_event_ops
*ops
);
101 int perf_session__process_events(struct perf_session
*self
,
102 struct perf_event_ops
*event_ops
);
104 int perf_session__resolve_callchain(struct perf_session
*self
,
105 struct thread
*thread
,
106 struct ip_callchain
*chain
,
107 struct symbol
**parent
);
109 bool perf_session__has_traces(struct perf_session
*self
, const char *msg
);
111 int perf_session__set_kallsyms_ref_reloc_sym(struct map
**maps
,
112 const char *symbol_name
,
115 void mem_bswap_64(void *src
, int byte_size
);
116 void perf_event__attr_swap(struct perf_event_attr
*attr
);
118 int perf_session__create_kernel_maps(struct perf_session
*self
);
120 void perf_session__update_sample_type(struct perf_session
*self
);
121 void perf_session__remove_thread(struct perf_session
*self
, struct thread
*th
);
124 struct machine
*perf_session__find_host_machine(struct perf_session
*self
)
126 return &self
->host_machine
;
130 struct machine
*perf_session__find_machine(struct perf_session
*self
, pid_t pid
)
132 if (pid
== HOST_KERNEL_ID
)
133 return &self
->host_machine
;
134 return machines__find(&self
->machines
, pid
);
138 struct machine
*perf_session__findnew_machine(struct perf_session
*self
, pid_t pid
)
140 if (pid
== HOST_KERNEL_ID
)
141 return &self
->host_machine
;
142 return machines__findnew(&self
->machines
, pid
);
146 void perf_session__process_machines(struct perf_session
*self
,
147 machine__process_t process
)
149 process(&self
->host_machine
, self
);
150 return machines__process(&self
->machines
, process
, self
);
153 size_t perf_session__fprintf_dsos(struct perf_session
*self
, FILE *fp
);
155 size_t perf_session__fprintf_dsos_buildid(struct perf_session
*self
,
156 FILE *fp
, bool with_hits
);
158 size_t perf_session__fprintf_nr_events(struct perf_session
*session
, FILE *fp
);
160 static inline int perf_session__parse_sample(struct perf_session
*session
,
161 const union perf_event
*event
,
162 struct perf_sample
*sample
)
164 return perf_event__parse_sample(event
, session
->sample_type
,
165 session
->sample_size
,
166 session
->sample_id_all
, sample
,
167 session
->header
.needs_swap
);
170 struct perf_evsel
*perf_session__find_first_evtype(struct perf_session
*session
,
173 void perf_session__print_ip(union perf_event
*event
,
174 struct perf_sample
*sample
,
175 struct perf_session
*session
,
176 int print_sym
, int print_dso
);
178 int perf_session__cpu_bitmap(struct perf_session
*session
,
179 const char *cpu_list
, unsigned long *cpu_bitmap
);
181 void perf_session__fprintf_info(struct perf_session
*s
, FILE *fp
, bool full
);
182 #endif /* __PERF_SESSION_H */