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

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Message-Id: <0d30dc$k4dmjb@orsmga001.jf.intel.com>
Date:	Tue, 09 Nov 2010 13:31:27 +0000
From:	Chris Wilson <chris@...is-wilson.co.uk>
To:	Yuanhan Liu <yuanhan.liu@...ux.intel.com>
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, 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.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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