linux-kernel - Re: [PATCH v6] Unified trace buffer

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Message-ID: <alpine.DEB.1.10.0809261735230.21618@gandalf.stny.rr.com>
Date:	Fri, 26 Sep 2008 17:37:07 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Martin Bligh <mbligh@...gle.com>
cc:	Peter Zijlstra <peterz@...radead.org>,
	LKML <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,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Mathieu Desnoyers <compudj@...stal.dyndns.org>,
	"Frank Ch. Eigler" <fche@...hat.com>,
	David Wilder <dwilder@...ibm.com>, hch@....de,
	Christoph Hellwig <hch@...radead.org>,
	Masami Hiramatsu <mhiramat@...hat.com>,
	Steven Rostedt <srostedt@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Subject: Re: [PATCH v6] Unified trace buffer


On Fri, 26 Sep 2008, Martin Bligh wrote:
> 
> What did you guys think of Mathieu's idea of sticking the buffer length
> in the header here, rather than using padding events? Seemed cleaner
> to me.
> 

OK, I just implemented the size field in the page struct. Seems to work 
well. I'm still keeping the padded event, so in the future, if we ever 
map these pages to userspace or files, these holes will have a type.

Will post later today, need to actually enter a real life for a bit.

-- Steve
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