linux-kernel - Re: [PATCH] RAS: Add a tracepoint for reporting memory controller events

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Message-ID: <20120531145416.GI14515@aftab.osrc.amd.com>
Date:	Thu, 31 May 2012 16:54:16 +0200
From:	Borislav Petkov <bp@...64.org>
To:	Mauro Carvalho Chehab <mchehab@...hat.com>
Cc:	"Luck, Tony" <tony.luck@...el.com>,
	Linux Edac Mailing List <linux-edac@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Aristeu Rozanski <arozansk@...hat.com>,
	Doug Thompson <norsk5@...oo.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH] RAS: Add a tracepoint for reporting memory controller
 events

On Thu, May 31, 2012 at 11:44:58AM -0300, Mauro Carvalho Chehab wrote:
> It doesn't matter if some drivers use statically-defined grain, while
> others are dynamic: at the reported event, the grain should be there
> for both types of drivers.

And only a small subset of the drivers _reportedly_ change grain
frequently - the majority of them have a static, seldomly changing
value. Which means, we don't fill up tracepoint records needlessly which
seldomly changing values.

-- 
Regards/Gruss,
Boris.

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