tools/perf/util/session.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __PERF_SESSION_H
   3 #define __PERF_SESSION_H
   4
   5 #include "trace-event.h"
   6 #include "event.h"
   7 #include "header.h"
   8 #include "machine.h"
   9 #include "data.h"
  10 #include "ordered-events.h"
  11 #include <linux/kernel.h>
  12 #include <linux/rbtree.h>
  13 #include <linux/perf_event.h>
  14
  15 struct ip_callchain;
  16 struct symbol;
  17 struct thread;
  18
  19 struct auxtrace;
  20 struct itrace_synth_opts;
  21
  22 struct perf_session {
  23         struct perf_header      header;
  24         struct machines         machines;
  25         struct perf_evlist      *evlist;
  26         struct auxtrace         *auxtrace;
  27         struct itrace_synth_opts *itrace_synth_opts;
  28         struct list_head        auxtrace_index;
  29         struct trace_event      tevent;
  30         struct time_conv_event  time_conv;
  31         bool                    repipe;
  32         bool                    one_mmap;
  33         void                    *one_mmap_addr;
  34         u64                     one_mmap_offset;
  35         struct ordered_events   ordered_events;
  36         struct perf_data        *data;
  37         struct perf_tool        *tool;
  38 };
  39
  40 struct perf_tool;
  41
  42 struct perf_session *perf_session__new(struct perf_data *data,
  43                                        bool repipe, struct perf_tool *tool);
  44 void perf_session__delete(struct perf_session *session);
  45
  46 void perf_event_header__bswap(struct perf_event_header *hdr);
  47
  48 int perf_session__peek_event(struct perf_session *session, off_t file_offset,
  49                              void *buf, size_t buf_sz,
  50                              union perf_event **event_ptr,
  51                              struct perf_sample *sample);
  52
  53 int perf_session__process_events(struct perf_session *session);
  54
  55 int perf_session__queue_event(struct perf_session *s, union perf_event *event,
  56                               struct perf_sample *sample, u64 file_offset);
  57
  58 void perf_tool__fill_defaults(struct perf_tool *tool);
  59
  60 int perf_session__resolve_callchain(struct perf_session *session,
  61                                     struct perf_evsel *evsel,
  62                                     struct thread *thread,
  63                                     struct ip_callchain *chain,
  64                                     struct symbol **parent);
  65
  66 bool perf_session__has_traces(struct perf_session *session, const char *msg);
  67
  68 void perf_event__attr_swap(struct perf_event_attr *attr);
  69
  70 int perf_session__create_kernel_maps(struct perf_session *session);
  71
  72 void perf_session__set_id_hdr_size(struct perf_session *session);
  73
  74 static inline
  75 struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid)
  76 {
  77         return machines__find(&session->machines, pid);
  78 }
  79
  80 static inline
  81 struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid)
  82 {
  83         return machines__findnew(&session->machines, pid);
  84 }
  85
  86 struct thread *perf_session__findnew(struct perf_session *session, pid_t pid);
  87 int perf_session__register_idle_thread(struct perf_session *session);
  88
  89 size_t perf_session__fprintf(struct perf_session *session, FILE *fp);
  90
  91 size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp);
  92
  93 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp,
  94                                           bool (fn)(struct dso *dso, int parm), int parm);
  95
  96 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp);
  97
  98 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
  99                                             unsigned int type);
 100
 101 int perf_session__cpu_bitmap(struct perf_session *session,
 102                              const char *cpu_list, unsigned long *cpu_bitmap);
 103
 104 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full);
 105
 106 struct perf_evsel_str_handler;
 107
 108 int __perf_session__set_tracepoints_handlers(struct perf_session *session,
 109                                              const struct perf_evsel_str_handler *assocs,
 110                                              size_t nr_assocs);
 111
 112 #define perf_session__set_tracepoints_handlers(session, array) \
 113         __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array))
 114
 115 extern volatile int session_done;
 116
 117 #define session_done()  ACCESS_ONCE(session_done)
 118
 119 int perf_session__deliver_synth_event(struct perf_session *session,
 120                                       union perf_event *event,
 121                                       struct perf_sample *sample);
 122
 123 int perf_event__process_id_index(struct perf_tool *tool,
 124                                  union perf_event *event,
 125                                  struct perf_session *session);
 126
 127 int perf_event__synthesize_id_index(struct perf_tool *tool,
 128                                     perf_event__handler_t process,
 129                                     struct perf_evlist *evlist,
 130                                     struct machine *machine);
 131
 132 #endif /* __PERF_SESSION_H */