linux-kernel - Re: [PATCH 1/2] perf,top: fix events overflow in top command

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Date:	Wed, 9 Mar 2011 11:25:56 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	a.p.zijlstra@...llo.nl, paulus@...ba.org, mingo@...e.hu,
	linux-kernel@...r.kernel.org, phan@...hat.com
Subject: Re: [PATCH 1/2] perf,top: fix events overflow in top command

Em Wed, Mar 09, 2011 at 03:19:10PM +0100, Jiri Olsa escreveu:
> On Wed, Mar 09, 2011 at 11:06:10AM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Wed, Mar 09, 2011 at 10:59:25AM -0300, Arnaldo Carvalho de Melo escreveu:
> > > Good catch, applying to perf/urgent.
> > 
> > Tried but it doesn't apply nor can I reproduce the overflow (albeit
> > granted the long line of events is annoying).
> 
> patches were based on tip tree
> 
> hm, it crashes for me on tip tree,
> but I haven't checked the perf/core tree..
> 
> not sure if it's any help, but while debugging I could see the sigsegv happened
> when the pointer was far beyond the 160 chars buffer size,
> maybe the buffer got bigger in the perf tree..

Anyway, using tip/master you are using perf/core so the patch was made
against it, I already merged it, will be on my next pull request to
Ingo.

Thanks,

- Arnaldo
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