linux/tools/perf/util/perf-hooks.h
Wang Nan 8ad85e9e6f perf tools: Pass context to perf hook functions
Pass a pointer to perf hook functions so they receive context
information during setup.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Joe Stringer <joe@ovn.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/20161126070354.141764-6-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-12-05 15:51:42 -03:00

40 lines
835 B
C

#ifndef PERF_UTIL_PERF_HOOKS_H
#define PERF_UTIL_PERF_HOOKS_H
#ifdef __cplusplus
extern "C" {
#endif
typedef void (*perf_hook_func_t)(void *ctx);
struct perf_hook_desc {
const char * const hook_name;
perf_hook_func_t * const p_hook_func;
void *hook_ctx;
};
extern void perf_hooks__invoke(const struct perf_hook_desc *);
extern void perf_hooks__recover(void);
#define PERF_HOOK(name) \
extern struct perf_hook_desc __perf_hook_desc_##name; \
static inline void perf_hooks__invoke_##name(void) \
{ \
perf_hooks__invoke(&__perf_hook_desc_##name); \
}
#include "perf-hooks-list.h"
#undef PERF_HOOK
extern int
perf_hooks__set_hook(const char *hook_name,
perf_hook_func_t hook_func,
void *hook_ctx);
extern perf_hook_func_t
perf_hooks__get_hook(const char *hook_name);
#ifdef __cplusplus
}
#endif
#endif