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         struct rb_root          hists;
  24         u64                     sample_type;
  25         int                     fd;
  26         int                     cwdlen;
  27         char                    *cwd;
  28         char filename[0];
  29 };
  30
  31 typedef int (*event_op)(event_t *self, struct perf_session *session);
  32
  33 struct perf_event_ops {
  34         event_op        process_sample_event;
  35         event_op        process_mmap_event;
  36         event_op        process_comm_event;
  37         event_op        process_fork_event;
  38         event_op        process_exit_event;
  39         event_op        process_lost_event;
  40         event_op        process_read_event;
  41         event_op        process_throttle_event;
  42         event_op        process_unthrottle_event;
  43         int             (*sample_type_check)(struct perf_session *session);
  44         unsigned long   total_unknown;
  45         bool            full_paths;
  46 };
  47
  48 struct perf_session *perf_session__new(const char *filename, int mode, bool force);
  49 void perf_session__delete(struct perf_session *self);
  50
  51 int perf_session__process_events(struct perf_session *self,
  52                                  struct perf_event_ops *event_ops);
  53
  54 struct symbol **perf_session__resolve_callchain(struct perf_session *self,
  55                                                 struct thread *thread,
  56                                                 struct ip_callchain *chain,
  57                                                 struct symbol **parent);
  58
  59 int perf_header__read_build_ids(int input, u64 offset, u64 file_size);
  60
  61 #endif /* __PERF_SESSION_H */