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 */