Date: Tue, 29 Apr 2014 13:37:47 +0200
From: Jiri Olsa <jolsa@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Namhyung Kim <namhyung@kernel.org>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Ingo Molnar <mingo@kernel.org>, Stephane Eranian <eranian@google.com>,
        LKML <linux-kernel@vger.kernel.org>,
        Namhyung Kim <namhyung.kim@lge.com>
Subject: Re: [PATCH v3 2/3] perf record: Propagate exit status of a command
 line workload
Message-ID: <20140429113747.GD1148@krava.brq.redhat.com>
References: <1398346054-3322-1-git-send-email-namhyung@kernel.org>
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 <20140429105654.GB1148@krava.brq.redhat.com>
 <20140429111939.GP11096@twins.programming.kicks-ass.net>
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On Tue, Apr 29, 2014 at 01:19:39PM +0200, Peter Zijlstra wrote:
> On Tue, Apr 29, 2014 at 12:56:54PM +0200, Jiri Olsa wrote:
> > 
> >   perf_counter tools: Propagate signals properly
> >   commit f7b7c26e01e51fe46097e11f179dc71ce7950084
> >   Author: Peter Zijlstra <a.p.zijlstra@chello.nl>
> >   Date:   Wed Jun 10 15:55:59 2009 +0200
> > 
> > but I dont think we need to do that
> 
> But but but, then you're re-introducing that fail again? That no good.

well, I was trying the testcase you mentioned in the changelog
and it seemed to work for me.. ;-) I guess I was lucky to hit
the bash time window..

  while :; do perf stat ./foo ; done

so how does this work? bash will kill the loop if perf's wait
status is WIFSIGNALED?

thanks,
jirka
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