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| author | Wang Nan <wangnan0@huawei.com> | 2016-11-26 07:03:29 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-12-05 15:51:42 -0300 |
| commit | 8ad85e9e6fdaf996bf3ff60303ea00e696bcdd36 (patch) | |
| tree | db08e2b766f375c3037d8dcc39d730c3b58b1dec /tools/perf/util/perf-hooks.c | |
| parent | baa1973ebcf6a7bd15522a5b6a35a8fefd6cb232 (diff) | |
| download | linux-8ad85e9e6fdaf996bf3ff60303ea00e696bcdd36.tar.gz | |
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>
Diffstat (limited to 'tools/perf/util/perf-hooks.c')
| -rw-r--r-- | tools/perf/util/perf-hooks.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/tools/perf/util/perf-hooks.c b/tools/perf/util/perf-hooks.c index 4ce88e37dd63..cb368306b12b 100644 --- a/tools/perf/util/perf-hooks.c +++ b/tools/perf/util/perf-hooks.c @@ -27,7 +27,7 @@ void perf_hooks__invoke(const struct perf_hook_desc *desc) *(current_perf_hook->p_hook_func) = NULL; } else { current_perf_hook = desc; - (**desc->p_hook_func)(); + (**desc->p_hook_func)(desc->hook_ctx); } current_perf_hook = NULL; } @@ -41,7 +41,9 @@ void perf_hooks__recover(void) #define PERF_HOOK(name) \ perf_hook_func_t __perf_hook_func_##name = NULL; \ struct perf_hook_desc __perf_hook_desc_##name = \ - {.hook_name = #name, .p_hook_func = &__perf_hook_func_##name}; + {.hook_name = #name, \ + .p_hook_func = &__perf_hook_func_##name, \ + .hook_ctx = NULL}; #include "perf-hooks-list.h" #undef PERF_HOOK @@ -54,7 +56,8 @@ static struct perf_hook_desc *perf_hooks[] = { #undef PERF_HOOK int perf_hooks__set_hook(const char *hook_name, - perf_hook_func_t hook_func) + perf_hook_func_t hook_func, + void *hook_ctx) { unsigned int i; @@ -65,6 +68,7 @@ int perf_hooks__set_hook(const char *hook_name, if (*(perf_hooks[i]->p_hook_func)) pr_warning("Overwrite existing hook: %s\n", hook_name); *(perf_hooks[i]->p_hook_func) = hook_func; + perf_hooks[i]->hook_ctx = hook_ctx; return 0; } return -ENOENT; |