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;
37 * FIXME: Need to split this up further, we need global
38 * stats + per event stats. 'perf diff' also needs
39 * to properly support multiple events in a single
52 struct ordered_samples ordered_samples;
57 struct perf_event_ops;
59 typedef int (*event_sample)(union perf_event *event, struct perf_sample *sample,
60 struct perf_evsel *evsel, struct perf_session *session);
61 typedef int (*event_op)(union perf_event *self, struct perf_sample *sample,
62 struct perf_session *session);
63 typedef int (*event_synth_op)(union perf_event *self,
64 struct perf_session *session);
65 typedef int (*event_attr_op)(union perf_event *event,
66 struct perf_evlist **pevlist);
67 typedef int (*event_op2)(union perf_event *self, struct perf_session *session,
68 struct perf_event_ops *ops);
70 struct perf_event_ops {
81 event_synth_op event_type,
84 event_op2 finished_round;
86 bool ordering_requires_timestamps;
89 struct perf_session *perf_session__new(const char *filename, int mode,
90 bool force, bool repipe,
91 struct perf_event_ops *ops);
92 void perf_session__delete(struct perf_session *self);
94 void perf_event_header__bswap(struct perf_event_header *self);
96 int __perf_session__process_events(struct perf_session *self,
97 u64 data_offset, u64 data_size, u64 size,
98 struct perf_event_ops *ops);
99 int perf_session__process_events(struct perf_session *self,
100 struct perf_event_ops *event_ops);
102 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
103 struct thread *thread,
104 struct ip_callchain *chain,
105 struct symbol **parent);
107 bool perf_session__has_traces(struct perf_session *self, const char *msg);
109 int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps,
110 const char *symbol_name,
113 void mem_bswap_64(void *src, int byte_size);
114 void perf_event__attr_swap(struct perf_event_attr *attr);
116 int perf_session__create_kernel_maps(struct perf_session *self);
118 void perf_session__update_sample_type(struct perf_session *self);
119 void perf_session__remove_thread(struct perf_session *self, struct thread *th);
122 struct machine *perf_session__find_host_machine(struct perf_session *self)
124 return &self->host_machine;
128 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
130 if (pid == HOST_KERNEL_ID)
131 return &self->host_machine;
132 return machines__find(&self->machines, pid);
136 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
138 if (pid == HOST_KERNEL_ID)
139 return &self->host_machine;
140 return machines__findnew(&self->machines, pid);
144 void perf_session__process_machines(struct perf_session *self,
145 machine__process_t process)
147 process(&self->host_machine, self);
148 return machines__process(&self->machines, process, self);
151 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
153 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
154 FILE *fp, bool with_hits);
156 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
158 static inline int perf_session__parse_sample(struct perf_session *session,
159 const union perf_event *event,
160 struct perf_sample *sample)
162 return perf_event__parse_sample(event, session->sample_type,
163 session->sample_size,
164 session->sample_id_all, sample,
165 session->header.needs_swap);
168 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
171 void perf_session__print_ip(union perf_event *event, struct perf_evsel *evsel,
172 struct perf_sample *sample,
173 struct perf_session *session,
174 int print_sym, int print_dso);
176 int perf_session__cpu_bitmap(struct perf_session *session,
177 const char *cpu_list, unsigned long *cpu_bitmap);
179 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
180 #endif /* __PERF_SESSION_H */