linux-kernel - Re: [PATCH 1/2] perf tools: Add reference timestamp to perf header

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Date:	Mon, 13 Dec 2010 18:51:13 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	"David S. Ahern" <daahern@...co.com>,
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] perf tools: Add reference timestamp to perf header

On Mon, 2010-12-13 at 15:43 -0200, Arnaldo Carvalho de Melo wrote:
> Whatever, never introduced one, they are inserted, IIRC, in the
> beggining of the stream, so I guess we can just do that sed and call
> them headers and be done with it. 

There's the flush thing from Frederic, that's all over the place.

The easiest way to kill that is to go to separate data files now.
writing to different files is better for contention anyway, we can grow
a flusher-thread per buffer and let them write to their own file.


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