linux-kernel - Re: [GIT PULL 00/30] perf/core improvements and fixes

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Message-ID: <20150511140626.GL28183@kernel.org>
Date:	Mon, 11 May 2015 11:06:26 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org,
	Adrian Hunter <adrian.hunter@...el.com>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Borislav Petkov <bp@...e.de>, David Ahern <dsahern@...il.com>,
	Davidlohr Bueso <dbueso@...e.de>,
	Deng-Cheng Zhu <dengcheng.zhu@...il.com>,
	Don Zickus <dzickus@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Hemant Kumar <hemant@...ux.vnet.ibm.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	"Naveen N . Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [GIT PULL 00/30] perf/core improvements and fixes

Em Mon, May 11, 2015 at 02:09:39PM +0900, Namhyung Kim escreveu:
> Hi Arnaldo,
> 
> I'm seeing a segfault on 'perf report' with a large data file after
> applying thread refcount change - it happens regardless of the atomic
> operation.

Any specific 'perf record' command line? Does it take a long time to
reproduce? Any backtraces? I'll try to repro, its possible that we're
doing one too many thread__put()...

- Arnaldo
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