linux-kernel - Re: [PATCHv8 0/8] ftrace, perf: Adding support to use function trace

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Message-ID: <4F3560AE.6010400@gmail.com>
Date:	Fri, 10 Feb 2012 11:23:42 -0700
From:	David Ahern <dsahern@...il.com>
To:	Frederic Weisbecker <fweisbec@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>
CC:	Jiri Olsa <jolsa@...hat.com>, mingo@...hat.com, paulus@...ba.org,
	acme@...stprotocols.net, a.p.zijlstra@...llo.nl,
	linux-kernel@...r.kernel.org, aarapov@...hat.com
Subject: Re: [PATCHv8 0/8] ftrace, perf: Adding support to use function trace



On 02/10/2012 11:05 AM, Frederic Weisbecker wrote:
> On Fri, Feb 10, 2012 at 01:00:15PM -0500, Steven Rostedt wrote:
>> On Fri, 2012-02-10 at 17:48 +0100, Frederic Weisbecker wrote:
>>
>>> Stephane Eranian has reported a similar problem but perhaps not with
>>> the same cause.
>>>
>>> I need to have a look.
>>
>> Not sure if this is related, but the "script" output of the problem
>> perf.dat file had this warning:
>>
>> Warning: Timestamp below last timeslice flush
> 
> Yup, that's what I'm looking at.

Does increasing MAX_SAMPLE_BUFFER in util/session.c help?
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