| 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 | |
|---|
