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)(struct perf_event_ops *ops,
60 union perf_event *event, struct perf_sample *sample,
61 struct perf_evsel *evsel, struct perf_session *session);
62 typedef int (*event_op)(struct perf_event_ops *ops, union perf_event *event,
63 struct perf_sample *sample,
64 struct perf_session *session);
65 typedef int (*event_synth_op)(union perf_event *self,
66 struct perf_session *session);
67 typedef int (*event_attr_op)(union perf_event *event,
68 struct perf_evlist **pevlist);
69 typedef int (*event_op2)(struct perf_event_ops *ops, union perf_event *event,
70 struct perf_session *session);
72 struct perf_event_ops {
83 event_synth_op tracing_data;
88 bool ordering_requires_timestamps;
91 struct perf_session *perf_session__new(const char *filename, int mode,
92 bool force, bool repipe,
93 struct perf_event_ops *ops);
94 void perf_session__delete(struct perf_session *self);
96 void perf_event_header__bswap(struct perf_event_header *self);
98 int __perf_session__process_events(struct perf_session *self,
99 u64 data_offset, u64 data_size, u64 size,
100 struct perf_event_ops *ops);
101 int perf_session__process_events(struct perf_session *self,
102 struct perf_event_ops *event_ops);
104 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel,
105 struct thread *thread,
106 struct ip_callchain *chain,
107 struct symbol **parent);
109 bool perf_session__has_traces(struct perf_session *self, const char *msg);
111 int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps,
112 const char *symbol_name,
115 void mem_bswap_64(void *src, int byte_size);
116 void perf_event__attr_swap(struct perf_event_attr *attr);
118 int perf_session__create_kernel_maps(struct perf_session *self);
120 void perf_session__update_sample_type(struct perf_session *self);
121 void perf_session__remove_thread(struct perf_session *self, struct thread *th);
124 struct machine *perf_session__find_host_machine(struct perf_session *self)
126 return &self->host_machine;
130 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
132 if (pid == HOST_KERNEL_ID)
133 return &self->host_machine;
134 return machines__find(&self->machines, pid);
138 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
140 if (pid == HOST_KERNEL_ID)
141 return &self->host_machine;
142 return machines__findnew(&self->machines, pid);
146 void perf_session__process_machines(struct perf_session *self,
147 struct perf_event_ops *ops,
148 machine__process_t process)
150 process(&self->host_machine, ops);
151 return machines__process(&self->machines, process, ops);
154 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp);
156 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self,
157 FILE *fp, bool with_hits);
159 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
161 static inline int perf_session__parse_sample(struct perf_session *session,
162 const union perf_event *event,
163 struct perf_sample *sample)
165 return perf_event__parse_sample(event, session->sample_type,
166 session->sample_size,
167 session->sample_id_all, sample,
168 session->header.needs_swap);
171 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
174 void perf_session__print_ip(union perf_event *event, struct perf_evsel *evsel,
175 struct perf_sample *sample,
176 struct perf_session *session,
177 int print_sym, int print_dso);
179 int perf_session__cpu_bitmap(struct perf_session *session,
180 const char *cpu_list, unsigned long *cpu_bitmap);
182 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
183 #endif /* __PERF_SESSION_H */