linux-kernel - Re: Re: [PATCH v2] perf probe: Fix failure to probe events on arm

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Message-ID: <5588CD6D.80503@hitachi.com>
Date:	Tue, 23 Jun 2015 12:07:25 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	He Kuang <hekuang@...wei.com>
CC:	a.p.zijlstra@...llo.nl, mingo@...hat.com, namhyung@...nel.org,
	wangnan0@...wei.com, linux-kernel@...r.kernel.org
Subject: Re: Re: [PATCH v2] perf probe: Fix failure to probe events on
 arm

On 2015/06/20 6:08, Arnaldo Carvalho de Melo wrote:
> Em Thu, Jun 18, 2015 at 02:49:10AM +0000, He Kuang escreveu:
>> Fix failure to probe events on arm, problem is introduced by commit
>> 5a51fcd1f30c ("perf probe: Skip kernel symbols which is out of
>> .text"). For some architectures, label '_etext' is not in the .text
>> section(in .notes section for arm/arm64). Label out of .text section is
>> not loaded as symbols and we got a zero value when look up its address,
>> which causes all events be wrongly skiped.
>>
>> This patch skip checking text address range when failed to get the
>> address of '_etext' and fixes the problem.
> 
> Masami, since you guys discussed this patch, can I have your Acked-by?

Oops, I missed the mails..

OK I'll send it.

Thanks!

-- 
Masami HIRAMATSU
Linux Technology Research Center, System Productivity Research Dept.
Center for Technology Innovation - Systems Engineering
Hitachi, Ltd., Research & Development Group
E-mail: masami.hiramatsu.pt@...achi.com
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