linux-kernel - Re: [GIT PULL v2] bkl tracepoints + filter regex support

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Date:	Fri, 25 Sep 2009 09:55:30 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	LKML <linux-kernel@...r.kernel.org>,
	Tom Zanussi <tzanussi@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Li Zefan <lizf@...fujitsu.com>
Subject: Re: [GIT PULL v2] bkl tracepoints + filter regex support

On Thu, Sep 24, 2009 at 10:22:25PM +0200, Ingo Molnar wrote:
> 
> also, some build problems:
> 
> include/trace/events/bkl.h: In function 
> ?ftrace_profile_enable_lock_kernel?:
> include/trace/events/bkl.h:9: error: implicit declaration of function 
> ?register_trace_lock_kernel?
> include/trace/events/bkl.h: In function 
> ?ftrace_profile_disable_lock_kernel?:
> include/trace/events/bkl.h:9: error: implicit declaration of function 
> ?unregister_trace_lock_kernel?
> include/trace/events/bkl.h: In function 
> ?ftrace_profile_enable_unlock_kernel?:
> include/trace/events/bkl.h:34: error: implicit declaration of function 
> ?register_trace_unlock_kernel?
> include/trace/events/bkl.h: In function 
> ?ftrace_profile_disable_unlock_kernel?:
> include/trace/events/bkl.h:34: error: implicit declaration of function 
> ?unregister_trace_unlock_kernel?
> 
> config attached.
> 
> 	Ingo


Ok, I see. The problem is that include/ftrace_event.h includes hardirq.h
which includes smp_lock.h, then each time we define another tracepoint, we
redefine the bkl tracepoints.

Thanks, I'll fix this.

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