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__remove_thread(struct perf_session *self, struct thread *th);
118 struct machine *perf_session__find_host_machine(struct perf_session *self)
120 return &self->host_machine;
124 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
126 if (pid == HOST_KERNEL_ID)
127 return &self->host_machine;
128 return machines__find(&self->machines, pid);
132 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
134 if (pid == HOST_KERNEL_ID)
135 return &self->host_machine;
136 return machines__findnew(&self->machines, pid);
140 void perf_session__process_machines(struct perf_session *self,
141 machine__process_t process)
143 process(&self->host_machine, self);
144 return machines__process(&self->machines, process, self);
147 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
149 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
150 FILE *fp, bool with_hits);
152 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
154 static inline int perf_session__parse_sample(struct perf_session *session,
155 const union perf_event *event,
156 struct perf_sample *sample)
158 return perf_event__parse_sample(event, session->sample_type,
159 session->sample_id_all, sample);
162 #endif /* __PERF_SESSION_H */