tools/perf/util/session.h

   1 #ifndef __PERF_SESSION_H
   2 #define __PERF_SESSION_H
   3
   4 #include "event.h"
   5 #include "header.h"
   6 #include "thread.h"
   7 #include <linux/rbtree.h>
   8 #include "../../../include/linux/perf_event.h"
   9
  10 struct ip_callchain;
  11 struct thread;
  12 struct symbol;
  13
  14 struct perf_session {
  15         struct perf_header      header;
  16         unsigned long           size;
  17         unsigned long           mmap_window;
  18         struct map_groups       kmaps;
  19         struct rb_root          threads;
  20         struct thread           *last_match;
  21         struct events_stats     events_stats;
  22         unsigned long           event_total[PERF_RECORD_MAX];
  23         unsigned long           unknown_events;
  24         struct rb_root          hists;
  25         u64                     sample_type;
  26         int                     fd;
  27         int                     cwdlen;
  28         char                    *cwd;
  29         char filename[0];
  30 };
  31
  32 typedef int (*event_op)(event_t *self, struct perf_session *session);
  33
  34 struct perf_event_ops {
  35         event_op        process_sample_event;
  36         event_op        process_mmap_event;
  37         event_op        process_comm_event;
  38         event_op        process_fork_event;
  39         event_op        process_exit_event;
  40         event_op        process_lost_event;
  41         event_op        process_read_event;
  42         event_op        process_throttle_event;
  43         event_op        process_unthrottle_event;
  44 };
  45
  46 struct perf_session *perf_session__new(const char *filename, int mode, bool force);
  47 void perf_session__delete(struct perf_session *self);
  48
  49 int perf_session__process_events(struct perf_session *self,
  50                                  struct perf_event_ops *event_ops);
  51
  52 struct symbol **perf_session__resolve_callchain(struct perf_session *self,
  53                                                 struct thread *thread,
  54                                                 struct ip_callchain *chain,
  55                                                 struct symbol **parent);
  56
  57 bool perf_session__has_traces(struct perf_session *self, const char *msg);
  58
  59 int perf_header__read_build_ids(int input, u64 offset, u64 file_size);
  60
  61 #endif /* __PERF_SESSION_H */