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 machine host_machine
;
34 struct rb_root machines
;
35 struct perf_evlist
*evlist
;
36 struct pevent
*pevent
;
38 * FIXME: Need to split this up further, we need global
39 * stats + per event stats. 'perf diff' also needs
40 * to properly support multiple events in a single
53 struct ordered_samples ordered_samples
;
59 struct perf_session
*perf_session__new(const char *filename
, int mode
,
60 bool force
, bool repipe
,
61 struct perf_tool
*tool
);
62 void perf_session__delete(struct perf_session
*self
);
64 void perf_event_header__bswap(struct perf_event_header
*self
);
66 int __perf_session__process_events(struct perf_session
*self
,
67 u64 data_offset
, u64 data_size
, u64 size
,
68 struct perf_tool
*tool
);
69 int perf_session__process_events(struct perf_session
*self
,
70 struct perf_tool
*tool
);
72 int perf_session__resolve_callchain(struct perf_session
*self
, struct perf_evsel
*evsel
,
73 struct thread
*thread
,
74 struct ip_callchain
*chain
,
75 struct symbol
**parent
);
77 struct branch_info
*machine__resolve_bstack(struct machine
*self
,
78 struct thread
*thread
,
79 struct branch_stack
*bs
);
81 bool perf_session__has_traces(struct perf_session
*self
, const char *msg
);
83 void mem_bswap_64(void *src
, int byte_size
);
84 void mem_bswap_32(void *src
, int byte_size
);
85 void perf_event__attr_swap(struct perf_event_attr
*attr
);
87 int perf_session__create_kernel_maps(struct perf_session
*self
);
89 void perf_session__update_sample_type(struct perf_session
*self
);
90 void perf_session__remove_thread(struct perf_session
*self
, struct thread
*th
);
93 struct machine
*perf_session__find_host_machine(struct perf_session
*self
)
95 return &self
->host_machine
;
99 struct machine
*perf_session__find_machine(struct perf_session
*self
, pid_t pid
)
101 if (pid
== HOST_KERNEL_ID
)
102 return &self
->host_machine
;
103 return machines__find(&self
->machines
, pid
);
107 struct machine
*perf_session__findnew_machine(struct perf_session
*self
, pid_t pid
)
109 if (pid
== HOST_KERNEL_ID
)
110 return &self
->host_machine
;
111 return machines__findnew(&self
->machines
, pid
);
115 void perf_session__process_machines(struct perf_session
*self
,
116 struct perf_tool
*tool
,
117 machine__process_t process
)
119 process(&self
->host_machine
, tool
);
120 return machines__process(&self
->machines
, process
, tool
);
123 struct thread
*perf_session__findnew(struct perf_session
*self
, pid_t pid
);
124 size_t perf_session__fprintf(struct perf_session
*self
, FILE *fp
);
126 size_t perf_session__fprintf_dsos(struct perf_session
*self
, FILE *fp
);
128 size_t perf_session__fprintf_dsos_buildid(struct perf_session
*self
,
129 FILE *fp
, bool with_hits
);
131 size_t perf_session__fprintf_nr_events(struct perf_session
*session
, FILE *fp
);
133 static inline int perf_session__parse_sample(struct perf_session
*session
,
134 const union perf_event
*event
,
135 struct perf_sample
*sample
)
137 return perf_event__parse_sample(event
, session
->sample_type
,
138 session
->sample_size
,
139 session
->sample_id_all
, sample
,
140 session
->header
.needs_swap
);
143 static inline int perf_session__synthesize_sample(struct perf_session
*session
,
144 union perf_event
*event
,
145 const struct perf_sample
*sample
)
147 return perf_event__synthesize_sample(event
, session
->sample_type
,
148 sample
, session
->header
.needs_swap
);
151 struct perf_evsel
*perf_session__find_first_evtype(struct perf_session
*session
,
154 void perf_event__print_ip(union perf_event
*event
, struct perf_sample
*sample
,
155 struct machine
*machine
, int print_sym
,
156 int print_dso
, int print_symoffset
);
158 int perf_session__cpu_bitmap(struct perf_session
*session
,
159 const char *cpu_list
, unsigned long *cpu_bitmap
);
161 void perf_session__fprintf_info(struct perf_session
*s
, FILE *fp
, bool full
);
163 struct perf_evsel_str_handler
;
165 int __perf_session__set_tracepoints_handlers(struct perf_session
*session
,
166 const struct perf_evsel_str_handler
*assocs
,
169 #define perf_session__set_tracepoints_handlers(session, array) \
170 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
171 #endif /* __PERF_SESSION_H */