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