xref: /openbmc/linux/tools/perf/util/bpf-event.h (revision b830f94f)
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
75