1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef PERF_UTIL_PERF_HOOKS_H 3 #define PERF_UTIL_PERF_HOOKS_H 4 5 #ifdef __cplusplus 6 extern "C" { 7 #endif 8 9 typedef void (*perf_hook_func_t)(void *ctx); 10 struct perf_hook_desc { 11 const char * const hook_name; 12 perf_hook_func_t * const p_hook_func; 13 void *hook_ctx; 14 }; 15 16 extern void perf_hooks__invoke(const struct perf_hook_desc *); 17 extern void perf_hooks__recover(void); 18 19 #define PERF_HOOK(name) \ 20 extern struct perf_hook_desc __perf_hook_desc_##name; \ 21 static inline void perf_hooks__invoke_##name(void) \ 22 { \ 23 perf_hooks__invoke(&__perf_hook_desc_##name); \ 24 } 25 26 #include "perf-hooks-list.h" 27 #undef PERF_HOOK 28 29 extern int 30 perf_hooks__set_hook(const char *hook_name, 31 perf_hook_func_t hook_func, 32 void *hook_ctx); 33 34 extern perf_hook_func_t 35 perf_hooks__get_hook(const char *hook_name); 36 37 #ifdef __cplusplus 38 } 39 #endif 40 #endif 41