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 rb_root hists_tree;
39 * FIXME: should point to the first entry in hists_tree and
40 * be a hists instance. Right now its only 'report'
41 * that is using ->hists_tree while all the rest use
51 struct ordered_samples ordered_samples;
55 struct perf_event_ops;
57 typedef int (*event_op)(event_t *self, struct perf_session *session);
58 typedef int (*event_op2)(event_t *self, struct perf_session *session,
59 struct perf_event_ops *ops);
61 struct perf_event_ops {
75 event_op2 finished_round;
79 struct perf_session *perf_session__new(const char *filename, int mode, bool force, bool repipe);
80 void perf_session__delete(struct perf_session *self);
82 void perf_event_header__bswap(struct perf_event_header *self);
84 int __perf_session__process_events(struct perf_session *self,
85 u64 data_offset, u64 data_size, u64 size,
86 struct perf_event_ops *ops);
87 int perf_session__process_events(struct perf_session *self,
88 struct perf_event_ops *event_ops);
90 struct map_symbol *perf_session__resolve_callchain(struct perf_session *self,
91 struct thread *thread,
92 struct ip_callchain *chain,
93 struct symbol **parent);
95 bool perf_session__has_traces(struct perf_session *self, const char *msg);
97 int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps,
98 const char *symbol_name,
101 void mem_bswap_64(void *src, int byte_size);
103 int perf_session__create_kernel_maps(struct perf_session *self);
105 int do_read(int fd, void *buf, size_t size);
106 void perf_session__update_sample_type(struct perf_session *self);
107 void perf_session__remove_thread(struct perf_session *self, struct thread *th);
110 struct machine *perf_session__find_host_machine(struct perf_session *self)
112 return &self->host_machine;
116 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
118 if (pid == HOST_KERNEL_ID)
119 return &self->host_machine;
120 return machines__find(&self->machines, pid);
124 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
126 if (pid == HOST_KERNEL_ID)
127 return &self->host_machine;
128 return machines__findnew(&self->machines, pid);
132 void perf_session__process_machines(struct perf_session *self,
133 machine__process_t process)
135 process(&self->host_machine, self);
136 return machines__process(&self->machines, process, self);
139 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
141 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
142 FILE *fp, bool with_hits);
145 size_t perf_session__fprintf_nr_events(struct perf_session *self, FILE *fp)
147 return hists__fprintf_nr_events(&self->hists, fp);
149 #endif /* __PERF_SESSION_H */