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   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 map              *vmlinux_maps[MAP__NR_TYPES];
  22         struct events_stats     events_stats;
  23         unsigned long           event_total[PERF_RECORD_MAX];
  24         unsigned long           unknown_events;
  25         struct rb_root          hists;
  26         u64                     sample_type;
  27         struct {
  28                 const char      *name;
  29                 u64             addr;
  30         }                       ref_reloc_sym;
  31         int                     fd;
  32         int                     cwdlen;
  33         char                    *cwd;
  34         char filename[0];
  35 };
  36
  37 typedef int (*event_op)(event_t *self, struct perf_session *session);
  38
  39 struct perf_event_ops {
  40         event_op sample,
  41                  mmap,
  42                  comm,
  43                  fork,
  44                  exit,
  45                  lost,
  46                  read,
  47                  throttle,
  48                  unthrottle;
  49 };
  50
  51 struct perf_session *perf_session__new(const char *filename, int mode, bool force);
  52 void perf_session__delete(struct perf_session *self);
  53
  54 void perf_event_header__bswap(struct perf_event_header *self);
  55
  56 int perf_session__process_events(struct perf_session *self,
  57                                  struct perf_event_ops *event_ops);
  58
  59 struct symbol **perf_session__resolve_callchain(struct perf_session *self,
  60                                                 struct thread *thread,
  61                                                 struct ip_callchain *chain,
  62                                                 struct symbol **parent);
  63
  64 bool perf_session__has_traces(struct perf_session *self, const char *msg);
  65
  66 int perf_header__read_build_ids(struct perf_header *self, int input,
  67                                 u64 offset, u64 file_size);
  68
  69 int perf_session__set_kallsyms_ref_reloc_sym(struct perf_session *self,
  70                                              const char *symbol_name,
  71                                              u64 addr);
  72 void perf_session__reloc_vmlinux_maps(struct perf_session *self,
  73                                       u64 unrelocated_addr);
  74
  75 void mem_bswap_64(void *src, int byte_size);
  76
  77 #endif /* __PERF_SESSION_H */