xref: /openbmc/linux/tools/perf/util/perf-hooks.h (revision a36954f5)
1 #ifndef PERF_UTIL_PERF_HOOKS_H
2 #define PERF_UTIL_PERF_HOOKS_H
3 
4 #ifdef __cplusplus
5 extern "C" {
6 #endif
7 
8 typedef void (*perf_hook_func_t)(void *ctx);
9 struct perf_hook_desc {
10 	const char * const hook_name;
11 	perf_hook_func_t * const p_hook_func;
12 	void *hook_ctx;
13 };
14 
15 extern void perf_hooks__invoke(const struct perf_hook_desc *);
16 extern void perf_hooks__recover(void);
17 
18 #define PERF_HOOK(name)					\
19 extern struct perf_hook_desc __perf_hook_desc_##name;	\
20 static inline void perf_hooks__invoke_##name(void)	\
21 { 							\
22 	perf_hooks__invoke(&__perf_hook_desc_##name);	\
23 }
24 
25 #include "perf-hooks-list.h"
26 #undef PERF_HOOK
27 
28 extern int
29 perf_hooks__set_hook(const char *hook_name,
30 		     perf_hook_func_t hook_func,
31 		     void *hook_ctx);
32 
33 extern perf_hook_func_t
34 perf_hooks__get_hook(const char *hook_name);
35 
36 #ifdef __cplusplus
37 }
38 #endif
39 #endif
40