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8ad85e9e6f
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>
40 lines
835 B
C
40 lines
835 B
C
#ifndef PERF_UTIL_PERF_HOOKS_H
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#define PERF_UTIL_PERF_HOOKS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef void (*perf_hook_func_t)(void *ctx);
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struct perf_hook_desc {
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const char * const hook_name;
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perf_hook_func_t * const p_hook_func;
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void *hook_ctx;
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};
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extern void perf_hooks__invoke(const struct perf_hook_desc *);
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extern void perf_hooks__recover(void);
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#define PERF_HOOK(name) \
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extern struct perf_hook_desc __perf_hook_desc_##name; \
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static inline void perf_hooks__invoke_##name(void) \
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{ \
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perf_hooks__invoke(&__perf_hook_desc_##name); \
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}
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#include "perf-hooks-list.h"
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#undef PERF_HOOK
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extern int
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perf_hooks__set_hook(const char *hook_name,
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perf_hook_func_t hook_func,
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void *hook_ctx);
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extern perf_hook_func_t
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perf_hooks__get_hook(const char *hook_name);
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#ifdef __cplusplus
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}
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#endif
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#endif
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