Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1170351
| Path | csiph.com!aioe.org!news.servidellagleba.it!bofh.it!news.nic.it!robomod |
|---|---|
| From | Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> |
| Newsgroups | linux.kernel |
| Subject | Re: Re: [PATCH v2] perf probe: Fix failure to probe events on arm |
| Date | Tue, 23 Jun 2015 05:10:01 +0200 |
| Message-ID | <pEmKZ-6Ru-5@gated-at.bofh.it> (permalink) |
| References | <pCjxU-8bm-17@gated-at.bofh.it> <pCy3U-3Ni-3@gated-at.bofh.it> <pDbHY-2id-5@gated-at.bofh.it> |
| X-Original-To | Arnaldo Carvalho de Melo <acme@kernel.org>, He Kuang <hekuang@huawei.com> |
| Organization | Hitachi, Ltd., Japan |
| User-Agent | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 |
| MIME-Version | 1.0 |
| Content-Type | text/plain; charset=windows-1252 |
| Content-Transfer-Encoding | 7bit |
| Sender | robomod@news.nic.it |
| List-ID | <linux-kernel.vger.kernel.org> |
| X-Mailing-List | linux-kernel@vger.kernel.org |
| Approved | robomod@news.nic.it |
| Lines | 29 |
| X-Original-Cc | a.p.zijlstra@chello.nl, mingo@redhat.com, namhyung@kernel.org, wangnan0@huawei.com, linux-kernel@vger.kernel.org |
| X-Original-Date | Tue, 23 Jun 2015 12:07:25 +0900 |
| X-Original-Message-ID | <5588CD6D.80503@hitachi.com> |
| X-Original-References | <5581578A.9060208@hitachi.com> <1434595750-129791-1-git-send-email-hekuang@huawei.com> <20150619210832.GB28405@kernel.org> |
| X-Original-Sender | linux-kernel-owner@vger.kernel.org |
| Xref | aioe.org linux.kernel:1170351 |
Show key headers only | View raw
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@hitachi.com
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
Please read the FAQ at http://www.tux.org/lkml/
Back to linux.kernel | Previous | Next | Find similar | Unroll thread
Re: Re: [PATCH v2] perf probe: Fix failure to probe events on arm Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> - 2015-06-23 05:10 +0200
csiph-web