linux-kernel - Re: [PATCHv3 00/19] perf tools: Factor ordered samples queue

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Message-ID: <20140721193921.GO18735@two.firstfloor.org>
Date:	Mon, 21 Jul 2014 21:39:21 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Adrian Hunter <adrian.hunter@...el.com>
Cc:	Andi Kleen <andi@...stfloor.org>, Jiri Olsa <jolsa@...nel.org>,
	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Jean Pihet <jean.pihet@...aro.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCHv3 00/19] perf tools: Factor ordered samples queue

On Mon, Jul 21, 2014 at 09:23:49PM +0300, Adrian Hunter wrote:
> On 21/07/2014 7:31 p.m., Andi Kleen wrote:
> >Jiri Olsa <jolsa@...hat.com> writes:
> >>
> >>[jolsa@...-x3650m4-01 perf]$ sudo ./perf report --stdio
> >>Timestamp below last timeslice flush
> >>0x2276f58 [0x68]: failed to process type: 9
> >
> >FWIW we're seeing this frequently too.
> 
> Jiri's example didn't work for me.  Do you have one?

Did you try it on a idle system? Do it during some work load
that generates a lot of context switches.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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