linux-kernel - Re: [PATCH 2/4] tracing: introduce trace_set_clr_module

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Message-ID: <20101109135912.GB22928@localhost.localdomain>
Date:	Tue, 9 Nov 2010 21:59:12 +0800
From:	Yuanhan Liu <yuanhan.liu@...ux.intel.com>
To:	Chris Wilson <chris@...is-wilson.co.uk>
Cc:	linux-kernel@...r.kernel.org, rostedt@...dmis.org,
	fweisbec@...il.com, mingo@...hat.com
Subject: Re: [PATCH 2/4] tracing: introduce trace_set_clr_module_event

On Tue, Nov 09, 2010 at 01:31:27PM +0000, Chris Wilson wrote:
> On Tue, 9 Nov 2010 21:20:59 +0800, Yuanhan Liu <yuanhan.liu@...ux.intel.com> wrote:
> > On Tue, Nov 09, 2010 at 11:27:18AM +0000, Chris Wilson wrote:
> > > I've not looked closely at this yet, but it seems like we should be able
> > > to hook into a trace_module_notify 
> > 
> > But there should be someplace to enable these events, right?  And how do
> > you tell trace_module_notify to just enable one or several specific
> > event?
> 
> Yes, I was thinking of extending the module loader to permit core to
> hook into parse_args() and so the trace= facility could work with any
> module without exporting any new functions.

Got your idea. But is it OK? 

Thanks.

--
Yuanhan Liu

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