linux-kernel - Re: RAS trace event proto

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Message-ID: <1329835698.25686.60.camel@gandalf.stny.rr.com>
Date:	Tue, 21 Feb 2012 09:48:18 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Borislav Petkov <bp@...64.org>
Cc:	Mauro Carvalho Chehab <mchehab@...hat.com>,
	Ingo Molnar <mingo@...e.hu>, Tony Luck <tony.luck@...el.com>,
	edac-devel <linux-edac@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: RAS trace event proto

On Tue, 2012-02-21 at 15:12 +0100, Borislav Petkov wrote:

> > Also, folding everything into just one string prevents (or make hard) the usage of
> > the perf filters, for example, to filter only the errors at the memory controller 1.
> 
> Huh, because you can't grep through the trace anymore...?
> 

I believe Mauro is talking about the tracing filters used by both perf
and ftrace that lets you ignore trace events when the contents of the
event does not match the filter. This is filtering out events before
they go to the buffer.

-- Steve


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