linux-kernel - Re: [PATCH 1/3] perf tools: Allow vmlinux to fallback to kallsyms on NO

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Message-ID: <87a93zv6yi.fsf@sejong.aot.lge.com>
Date:	Mon, 10 Nov 2014 16:40:53 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	David Ahern <dsahern@...il.com>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Jiri Olsa <jolsa@...hat.com>,
	Adrian Hunter <adrian.hunter@...el.com>
Subject: Re: [PATCH 1/3] perf tools: Allow vmlinux to fallback to kallsyms on NO_LIBELF=1

Hi David,

On Fri, 07 Nov 2014 08:21:16 -0700, David Ahern wrote:
> On 11/6/14, 10:20 PM, Namhyung Kim wrote:
>> It worked w/o libelf, but recent change to use vmlinux for kernel
>> symbols break it.
>
> Do you know the recent change (commit id) that broke it?

Nope.  I tried to find it but failed - older versions seems also have
the problem and some of them could not run perf record.  Anyway it looks
like depending some external condition and broken for a while. :(

Thanks,
Namhyung
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