Messages in this thread Patch in this message | | | From | "zhangwei(Jovi)" <> | Subject | [PATCH v3 04/12] tracing: export ftrace_events | Date | Wed, 10 Apr 2013 11:26:25 +0800 |
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From: "zhangwei(Jovi)" <jovi.zhangwei@huawei.com>
let modules can access ftrace_events
Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com> --- include/linux/ftrace_event.h | 1 + kernel/trace/trace.h | 1 - kernel/trace/trace_events.c | 2 ++ 3 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 4b55272..f6a6e48 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -346,6 +346,7 @@ enum { #define EVENT_STORAGE_SIZE 128 extern struct mutex event_storage_mutex; extern char event_storage[EVENT_STORAGE_SIZE]; +extern struct list_head ftrace_events; extern int trace_event_raw_init(struct ftrace_event_call *call); extern int trace_define_field(struct ftrace_event_call *call, const char *type, diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 0a1f4be..8f4966b 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -917,7 +917,6 @@ extern int event_trace_add_tracer(struct dentry *parent, struct trace_array *tr) extern int event_trace_del_tracer(struct trace_array *tr); extern struct mutex event_mutex; -extern struct list_head ftrace_events; extern const char *__start___trace_bprintk_fmt[]; extern const char *__stop___trace_bprintk_fmt[]; diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 09ca479..7c52a51 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -34,6 +34,8 @@ char event_storage[EVENT_STORAGE_SIZE]; EXPORT_SYMBOL_GPL(event_storage); LIST_HEAD(ftrace_events); +EXPORT_SYMBOL_GPL(ftrace_events); + static LIST_HEAD(ftrace_common_fields); #define GFP_TRACE (GFP_KERNEL | __GFP_ZERO) -- 1.7.9.7
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