linux-kernel - Re: [RFC PATCH 1/3] Unified trace buffer

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Date:	Thu, 25 Sep 2008 11:20:24 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Peter Zijlstra <peterz@...radead.org>
cc:	Martin Bligh <mbligh@...igh.org>, Martin Bligh <mbligh@...gle.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	prasad@...ux.vnet.ibm.com,
	Mathieu Desnoyers <compudj@...stal.dyndns.org>,
	"Frank Ch. Eigler" <fche@...hat.com>,
	David Wilder <dwilder@...ibm.com>, hch@....de,
	Tom Zanussi <zanussi@...cast.net>,
	Steven Rostedt <srostedt@...hat.com>
Subject: Re: [RFC PATCH 1/3] Unified trace buffer


On Thu, 25 Sep 2008, Peter Zijlstra wrote:
> 
> Also, I agree on the 4byte alignment, rather than the 8byte Steve seems
> to favour.

Pretty much all CPUs word align on a 8 byte bounder (until we get those 
128bit boxes running), but not all can word align on 4 bytes. I was hoping 
to make the buffer output somewhat the same across archs.

Otherwise, this is going to be quite a complex mess IMHO.

-- Steve

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