tools/perf/util/bpf-event.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __PERF_BPF_EVENT_H
   3 #define __PERF_BPF_EVENT_H
   4
   5 #include <linux/compiler.h>
   6 #include <linux/rbtree.h>
   7 #include <pthread.h>
   8 #include <api/fd/array.h>
   9 #include "event.h"
  10
  11 struct machine;
  12 union perf_event;
  13 struct perf_env;
  14 struct perf_sample;
  15 struct record_opts;
  16 struct evlist;
  17 struct target;
  18
  19 struct bpf_prog_info_node {
  20         struct bpf_prog_info_linear     *info_linear;
  21         struct rb_node                  rb_node;
  22 };
  23
  24 struct btf_node {
  25         struct rb_node  rb_node;
  26         u32             id;
  27         u32             data_size;
  28         char            data[];
  29 };
  30
  31 #ifdef HAVE_LIBBPF_SUPPORT
  32 int machine__process_bpf_event(struct machine *machine, union perf_event *event,
  33                                struct perf_sample *sample);
  34
  35 int perf_event__synthesize_bpf_events(struct perf_session *session,
  36                                       perf_event__handler_t process,
  37                                       struct machine *machine,
  38                                       struct record_opts *opts);
  39 int bpf_event__add_sb_event(struct perf_evlist **evlist,
  40                                  struct perf_env *env);
  41
  42 #else
  43 static inline int machine__process_bpf_event(struct machine *machine __maybe_unused,
  44                                              union perf_event *event __maybe_unused,
  45                                              struct perf_sample *sample __maybe_unused)
  46 {
  47         return 0;
  48 }
  49
  50 static inline int perf_event__synthesize_bpf_events(struct perf_session *session __maybe_unused,
  51                                                     perf_event__handler_t process __maybe_unused,
  52                                                     struct machine *machine __maybe_unused,
  53                                                     struct record_opts *opts __maybe_unused)
  54 {
  55         return 0;
  56 }
  57
  58 static inline int bpf_event__add_sb_event(struct perf_evlist **evlist __maybe_unused,
  59                                           struct perf_env *env __maybe_unused)
  60 {
  61         return 0;
  62 }
  63
  64 #endif // HAVE_LIBBPF_SUPPORT
  65 #endif