tools/perf/util/session.h

   1 #ifndef __PERF_SESSION_H
   2 #define __PERF_SESSION_H
   3
   4 #include "trace-event.h"
   5 #include "event.h"
   6 #include "header.h"
   7 #include "machine.h"
   8 #include "symbol.h"
   9 #include "thread.h"
  10 #include "data.h"
  11 #include "ordered-events.h"
  12 #include <linux/rbtree.h>
  13 #include <linux/perf_event.h>
  14
  15 struct ip_callchain;
  16 struct thread;
  17
  18 struct auxtrace;
  19 struct itrace_synth_opts;
  20
  21 struct perf_session {
  22         struct perf_header      header;
  23         struct machines         machines;
  24         struct perf_evlist      *evlist;
  25         struct auxtrace         *auxtrace;
  26         struct itrace_synth_opts *itrace_synth_opts;
  27         struct list_head        auxtrace_index;
  28         struct trace_event      tevent;
  29         struct time_conv_event  time_conv;
  30         bool                    repipe;
  31         bool                    one_mmap;
  32         void                    *one_mmap_addr;
  33         u64                     one_mmap_offset;
  34         struct ordered_events   ordered_events;
  35         struct perf_data_file   *file;
  36         struct perf_tool        *tool;
  37 };
  38
  39 struct perf_tool;
  40
  41 struct perf_session *perf_session__new(struct perf_data_file *file,
  42                                        bool repipe, struct perf_tool *tool);
  43 void perf_session__delete(struct perf_session *session);
  44
  45 void perf_event_header__bswap(struct perf_event_header *hdr);
  46
  47 int perf_session__peek_event(struct perf_session *session, off_t file_offset,
  48                              void *buf, size_t buf_sz,
  49                              union perf_event **event_ptr,
  50                              struct perf_sample *sample);
  51
  52 int perf_session__process_events(struct perf_session *session);
  53
  54 int perf_session__queue_event(struct perf_session *s, union perf_event *event,
  55                               struct perf_sample *sample, u64 file_offset);
  56
  57 void perf_tool__fill_defaults(struct perf_tool *tool);
  58
  59 int perf_session__resolve_callchain(struct perf_session *session,
  60                                     struct perf_evsel *evsel,
  61                                     struct thread *thread,
  62                                     struct ip_callchain *chain,
  63                                     struct symbol **parent);
  64
  65 bool perf_session__has_traces(struct perf_session *session, const char *msg);
  66
  67 void perf_event__attr_swap(struct perf_event_attr *attr);
  68
  69 int perf_session__create_kernel_maps(struct perf_session *session);
  70
  71 void perf_session__set_id_hdr_size(struct perf_session *session);
  72
  73 static inline
  74 struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
  75 {
  76         return machines__find(&session->machines, pid);
  77 }
  78
  79 static inline
  80 struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
  81 {
  82         return machines__findnew(&session->machines, pid);
  83 }
  84
  85 struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
  86 int perf_session__register_idle_thread(struct perf_session *session);
  87
  88 size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
  89
  90 size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
  91
  92 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
  93                                           bool (fn)(struct dso *dso, int parm), int parm);
  94
  95 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
  96
  97 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
  98                                             unsigned int type);
  99
 100 int perf_session__cpu_bitmap(struct perf_session *session,
 101                              const char *cpu_list, unsigned long *cpu_bitmap);
 102
 103 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
 104
 105 struct perf_evsel_str_handler;
 106
 107 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
 108                                              const struct perf_evsel_str_handler *assocs,
 109                                              size_t nr_assocs);
 110
 111 #define perf_session__set_tracepoints_handlers(session, array) \
 112         __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
 113
 114 extern volatile int session_done;
 115
 116 #define session_done()  ACCESS_ONCE(session_done)
 117
 118 int perf_session__deliver_synth_event(struct perf_session *session,
 119                                       union perf_event *event,
 120                                       struct perf_sample *sample);
 121
 122 int perf_event__process_id_index(struct perf_tool *tool,
 123                                  union perf_event *event,
 124                                  struct perf_session *session);
 125
 126 int perf_event__synthesize_id_index(struct perf_tool *tool,
 127                                     perf_event__handler_t process,
 128                                     struct perf_evlist *evlist,
 129                                     struct machine *machine);
 130
 131 #endif /* __PERF_SESSION_H */