xref: /linux/tools/perf/util/bpf-event.h (revision 37744feebc086908fd89760650f458ab19071750)
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 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 int bpf_event__add_sb_event(struct evlist **evlist,
37 				 struct perf_env *env);
38 void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info,
39 				    struct perf_env *env,
40 				    FILE *fp);
41 #else
42 static inline int machine__process_bpf(struct machine *machine __maybe_unused,
43 				       union perf_event *event __maybe_unused,
44 				       struct perf_sample *sample __maybe_unused)
45 {
46 	return 0;
47 }
48 
49 static inline int bpf_event__add_sb_event(struct evlist **evlist __maybe_unused,
50 					  struct perf_env *env __maybe_unused)
51 {
52 	return 0;
53 }
54 
55 static inline void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info __maybe_unused,
56 						  struct perf_env *env __maybe_unused,
57 						  FILE *fp __maybe_unused)
58 {
59 
60 }
61 #endif // HAVE_LIBBPF_SUPPORT
62 #endif
63