linux-kernel - Re: [PATCH 4/3] perf tools: Add callchain order support for libdw DWARF unwinder

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Date:	Thu, 19 Nov 2015 20:18:24 +0800
From:	"Wangnan (F)" <wangnan0@...wei.com>
To:	Jiri Olsa <jolsa@...hat.com>, Jiri Olsa <jolsa@...nel.org>
CC:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Jan Kratochvil <jkratoch@...hat.com>,
	lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Milian Wolff <milian.wolff@...b.com>
Subject: Re: [PATCH 4/3] perf tools: Add callchain order support for libdw
 DWARF unwinder



On 2015/11/19 20:10, Wangnan (F) wrote:
>
>
> On 2015/11/19 19:22, Jiri Olsa wrote:
>> On Tue, Nov 17, 2015 at 04:05:36PM +0100, Jiri Olsa wrote:
>>

[SNIP]

> In addition, just for your information, I find libdw can unwind call
> chain I described yesterday in [1].

Please forget it. The problem is still their even with libdw. I forgot
to add -fomit-frame-pointer.

Thank you.
>
> Thank you.
>
> [1] https://lkml.kernel.org/g/564C26C4.2040603@huawei.com


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