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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 "symbol.h"
   7 #include "thread.h"
   8 #include <linux/rbtree.h>
   9 #include "../../../include/linux/perf_event.h"
  10
  11 struct sample_queue;
  12 struct ip_callchain;
  13 struct thread;
  14
  15 struct ordered_samples {
  16         u64                     last_flush;
  17         u64                     next_flush;
  18         u64                     max_timestamp;
  19         struct list_head        samples_head;
  20         struct sample_queue     *last_inserted;
  21 };
  22
  23 struct perf_session {
  24         struct perf_header      header;
  25         unsigned long           size;
  26         unsigned long           mmap_window;
  27         struct rb_root          threads;
  28         struct thread           *last_match;
  29         struct rb_root          machines;
  30         struct events_stats     events_stats;
  31         struct rb_root          stats_by_id;
  32         unsigned long           event_total[PERF_RECORD_MAX];
  33         unsigned long           unknown_events;
  34         struct rb_root          hists;
  35         u64                     sample_type;
  36         int                     fd;
  37         bool                    fd_pipe;
  38         bool                    repipe;
  39         int                     cwdlen;
  40         char                    *cwd;
  41         struct ordered_samples  ordered_samples;
  42         char filename[0];
  43 };
  44
  45 struct perf_event_ops;
  46
  47 typedef int (*event_op)(event_t *self, struct perf_session *session);
  48 typedef int (*event_op2)(event_t *self, struct perf_session *session,
  49                          struct perf_event_ops *ops);
  50
  51 struct perf_event_ops {
  52         event_op        sample,
  53                         mmap,
  54                         comm,
  55                         fork,
  56                         exit,
  57                         lost,
  58                         read,
  59                         throttle,
  60                         unthrottle,
  61                         attr,
  62                         event_type,
  63                         tracing_data,
  64                         build_id;
  65         event_op2       finished_round;
  66         bool            ordered_samples;
  67 };
  68
  69 struct perf_session *perf_session__new(const char *filename, int mode, bool force, bool repipe);
  70 void perf_session__delete(struct perf_session *self);
  71
  72 void perf_event_header__bswap(struct perf_event_header *self);
  73
  74 int __perf_session__process_events(struct perf_session *self,
  75                                    u64 data_offset, u64 data_size, u64 size,
  76                                    struct perf_event_ops *ops);
  77 int perf_session__process_events(struct perf_session *self,
  78                                  struct perf_event_ops *event_ops);
  79
  80 struct map_symbol *perf_session__resolve_callchain(struct perf_session *self,
  81                                                    struct thread *thread,
  82                                                    struct ip_callchain *chain,
  83                                                    struct symbol **parent);
  84
  85 bool perf_session__has_traces(struct perf_session *self, const char *msg);
  86
  87 int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps,
  88                                              const char *symbol_name,
  89                                              u64 addr);
  90
  91 void mem_bswap_64(void *src, int byte_size);
  92
  93 int perf_session__create_kernel_maps(struct perf_session *self);
  94
  95 int do_read(int fd, void *buf, size_t size);
  96 void perf_session__update_sample_type(struct perf_session *self);
  97
  98 #ifdef NO_NEWT_SUPPORT
  99 static inline int perf_session__browse_hists(struct rb_root *hists __used,
 100                                               u64 nr_hists __used,
 101                                               u64 session_total __used,
 102                                              const char *helpline __used,
 103                                              const char *input_name __used)
 104 {
 105         return 0;
 106 }
 107 #else
 108 int perf_session__browse_hists(struct rb_root *hists, u64 nr_hists,
 109                                u64 session_total, const char *helpline,
 110                                const char *input_name);
 111 #endif
 112
 113 static inline
 114 struct machine *perf_session__find_host_machine(struct perf_session *self)
 115 {
 116         return machines__find_host(&self->machines);
 117 }
 118
 119 static inline
 120 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid)
 121 {
 122         return machines__find(&self->machines, pid);
 123 }
 124
 125 static inline
 126 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid)
 127 {
 128         return machines__findnew(&self->machines, pid);
 129 }
 130
 131 static inline
 132 void perf_session__process_machines(struct perf_session *self,
 133                                     machine__process_t process)
 134 {
 135         return machines__process(&self->machines, process, self);
 136 }
 137
 138 static inline
 139 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp)
 140 {
 141         return machines__fprintf_dsos(&self->machines, fp);
 142 }
 143
 144 static inline
 145 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, FILE *fp,
 146                                           bool with_hits)
 147 {
 148         return machines__fprintf_dsos_buildid(&self->machines, fp, with_hits);
 149 }
 150 #endif /* __PERF_SESSION_H */