linux-kernel - Re: [PATCH 1/2] perf kvm: option to print events that exceed a duration -v2

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Date:	Thu, 8 Aug 2013 11:39:44 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	David Ahern <dsahern@...il.com>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>,
	Runzhen Wang <runzhen@...ux.vnet.ibm.com>
Subject: Re: [PATCH 1/2] perf kvm: option to print events that exceed a
 duration -v2

Em Wed, Aug 07, 2013 at 09:56:38PM -0400, David Ahern escreveu:
> This is useful to spot high latency blips. It is normal for HLT
> reasons to have long exit times, so strip those from the duration
> check.
> 
> v2: changed threshold to duration per acme's request

Thanks, applied.
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