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Date:	Thu, 6 Feb 2014 14:58:01 +0100
From:	Stephane Eranian <eranian@...gle.com>
To:	Arnaldo Carvalho de Melo <acme@...hat.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	"mingo@...e.hu" <mingo@...e.hu>, Jiri Olsa <jolsa@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>
Subject: Re: [BUG] perf top: --stdio causes continuous refresh

On Thu, Feb 6, 2014 at 2:56 PM, Arnaldo Carvalho de Melo
<acme@...hat.com> wrote:
> Em Wed, Feb 05, 2014 at 10:25:09PM +0100, Stephane Eranian escreveu:
>> If you run perf top on 3.14 but you force --stdio mode, perf top
>> goes crazy and constantly refreshes the output.
>>
>> It does that with many older versions of the perf as well on 3.14.
>> It runs fine with newt mode.
>>
>> Works fine with my 3.11 kernel. So something must be broken
>> with 3.14.
>
>> Can you reproduce the problem as well?
>
> Not so far, using my perf/urgent branch:
>
I am using tip.git. Or try 3.11, 3.10.


> [root@...andy ~]# perf --version
> perf version 3.13.g1da187
>
> Also it honours --delay, i.e.
>
> # perf top --delay 5 --stdio
>
> it will wait 5 seconds between refreshes, etc.
>
> Checking out v3.14-rc1 now.
>
> - Arnaldo
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