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 "symbol.h"
   7 #include "thread.h"
   8 #include <linux/rbtree.h>
   9 #include "../../../include/linux/perf_event.h"
  10
  11 struct ip_callchain;
  12 struct thread;
  13
  14 struct perf_session {
  15         struct perf_header      header;
  16         unsigned long           size;
  17         unsigned long           mmap_window;
  18         struct rb_root          threads;
  19         struct thread           *last_match;
  20         struct rb_root          kerninfo_root;
  21         struct events_stats     events_stats;
  22         struct rb_root          stats_by_id;
  23         unsigned long           event_total[PERF_RECORD_MAX];
  24         unsigned long           unknown_events;
  25         struct rb_root          hists;
  26         u64                     sample_type;
  27         int                     fd;
  28         bool                    fd_pipe;
  29         int                     cwdlen;
  30         char                    *cwd;
  31         char filename[0];
  32 };
  33
  34 typedef int (*event_op)(event_t *self, struct perf_session *session);
  35
  36 struct perf_event_ops {
  37         event_op sample,
  38                  mmap,
  39                  comm,
  40                  fork,
  41                  exit,
  42                  lost,
  43                  read,
  44                  throttle,
  45                  unthrottle,
  46                  attr,
  47                  event_type,
  48                  tracing_data,
  49                  build_id;
  50 };
  51
  52 struct perf_session *perf_session__new(const char *filename, int mode, bool force);
  53 void perf_session__delete(struct perf_session *self);
  54
  55 void perf_event_header__bswap(struct perf_event_header *self);
  56
  57 int __perf_session__process_events(struct perf_session *self,
  58                                    u64 data_offset, u64 data_size, u64 size,
  59                                    struct perf_event_ops *ops);
  60 int perf_session__process_events(struct perf_session *self,
  61                                  struct perf_event_ops *event_ops);
  62
  63 struct map_symbol *perf_session__resolve_callchain(struct perf_session *self,
  64                                                    struct thread *thread,
  65                                                    struct ip_callchain *chain,
  66                                                    struct symbol **parent);
  67
  68 bool perf_session__has_traces(struct perf_session *self, const char *msg);
  69
  70 int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps,
  71                                              const char *symbol_name,
  72                                              u64 addr);
  73
  74 void mem_bswap_64(void *src, int byte_size);
  75
  76 int perf_session__create_kernel_maps(struct perf_session *self);
  77
  78 int do_read(int fd, void *buf, size_t size);
  79 void perf_session__update_sample_type(struct perf_session *self);
  80
  81 #ifdef NO_NEWT_SUPPORT
  82 static inline int perf_session__browse_hists(struct rb_root *hists __used,
  83                                               u64 nr_hists __used,
  84                                               u64 session_total __used,
  85                                              const char *helpline __used,
  86                                              const char *input_name __used)
  87 {
  88         return 0;
  89 }
  90 #else
  91 int perf_session__browse_hists(struct rb_root *hists, u64 nr_hists,
  92                                u64 session_total, const char *helpline,
  93                                const char *input_name);
  94 #endif
  95 #endif /* __PERF_SESSION_H */