xref: /openbmc/linux/tools/perf/util/bpf-event.h (revision 2cf1c348)
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 <stdio.h>
10 
11 struct bpf_prog_info;
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 perf_bpil		*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 int evlist__add_bpf_sb_event(struct evlist *evlist, struct perf_env *env);
37 void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info,
38 				    struct perf_env *env,
39 				    FILE *fp);
40 #else
41 static inline int machine__process_bpf(struct machine *machine __maybe_unused,
42 				       union perf_event *event __maybe_unused,
43 				       struct perf_sample *sample __maybe_unused)
44 {
45 	return 0;
46 }
47 
48 static inline int evlist__add_bpf_sb_event(struct evlist *evlist __maybe_unused,
49 					   struct perf_env *env __maybe_unused)
50 {
51 	return 0;
52 }
53 
54 static inline void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info __maybe_unused,
55 						  struct perf_env *env __maybe_unused,
56 						  FILE *fp __maybe_unused)
57 {
58 
59 }
60 #endif // HAVE_LIBBPF_SUPPORT
61 #endif
62