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 #include <stdio.h>
  11
  12 struct machine;
  13 union perf_event;
  14 struct perf_env;
  15 struct perf_sample;
  16 struct record_opts;
  17 struct evlist;
  18 struct target;
  19
  20 struct bpf_prog_info_node {
  21         struct bpf_prog_info_linear     *info_linear;
  22         struct rb_node                  rb_node;
  23 };
  24
  25 struct btf_node {
  26         struct rb_node  rb_node;
  27         u32             id;
  28         u32             data_size;
  29         char            data[];
  30 };
  31
  32 #ifdef HAVE_LIBBPF_SUPPORT
  33 int machine__process_bpf_event(struct machine *machine, union perf_event *event,
  34                                struct perf_sample *sample);
  35
  36 int perf_event__synthesize_bpf_events(struct perf_session *session,
  37                                       perf_event__handler_t process,
  38                                       struct machine *machine,
  39                                       struct record_opts *opts);
  40 int bpf_event__add_sb_event(struct perf_evlist **evlist,
  41                                  struct perf_env *env);
  42 void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info,
  43                                     struct perf_env *env,
  44                                     FILE *fp);
  45 #else
  46 static inline int machine__process_bpf_event(struct machine *machine __maybe_unused,
  47                                              union perf_event *event __maybe_unused,
  48                                              struct perf_sample *sample __maybe_unused)
  49 {
  50         return 0;
  51 }
  52
  53 static inline int perf_event__synthesize_bpf_events(struct perf_session *session __maybe_unused,
  54                                                     perf_event__handler_t process __maybe_unused,
  55                                                     struct machine *machine __maybe_unused,
  56                                                     struct record_opts *opts __maybe_unused)
  57 {
  58         return 0;
  59 }
  60
  61 static inline int bpf_event__add_sb_event(struct perf_evlist **evlist __maybe_unused,
  62                                           struct perf_env *env __maybe_unused)
  63 {
  64         return 0;
  65 }
  66
  67 static inline void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info __maybe_unused,
  68                                                   struct perf_env *env __maybe_unused,
  69                                                   FILE *fp __maybe_unused)
  70 {
  71
  72 }
  73 #endif // HAVE_LIBBPF_SUPPORT
  74 #endif