linux-kernel - Re: perf script: rwtop: SIGALRM and pipe read race

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Message-ID: <5057839D.5020908@gmail.com>
Date:	Mon, 17 Sep 2012 14:10:05 -0600
From:	David Ahern <dsahern@...il.com>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Steven Rostedt <srostedt@...hat.com>
CC:	Andrew Jones <drjones@...hat.com>, linux-kernel@...r.kernel.org,
	a.p.zijlstra@...llo.nl, paulus@...ba.org, mingo@...hat.com,
	tzanussi@...il.com
Subject: Re: perf script: rwtop: SIGALRM and pipe read race

On 9/17/12 11:12 AM, Arnaldo Carvalho de Melo wrote:
>
> Its possible that changes made to support non tracepoint events
> introduced this problem, so perhaps bisecting it, as this wasn't present
> some time ago, i.e. those big numbers :-\

git bisect failed miserably for me. But, pondering a bit on changes to 
the tracepoint processing and it's rather obvious - libtraceevent.

commit before libtraceevent - 44d1a3e -- works fine
first usable commit after libtraveevent - 8784eb7 -- fails


David
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