linux-kernel - Re: [PATCH] perf: add support for per-event sampling period or frequency in perf record

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Message-ID: <1290512559.2072.393.camel@laptop>
Date:	Tue, 23 Nov 2010 12:42:39 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, acme@...hat.com,
	paulus@...ba.org, davem@...emloft.net, fweisbec@...il.com,
	perfmon2-devel@...ts.sf.net, eranian@...il.com,
	robert.richter@....com
Subject: Re: [PATCH] perf: add support for per-event sampling period or
 frequency in perf record

On Tue, 2010-11-23 at 12:33 +0100, Stephane Eranian wrote:
> 
> Forgot to say, that the reason I did it thru -c and -F was to maintain
> backward compatibility. 

Right, we could keep the existing parameters to mean default values for
those events that didn't specify anything.
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