From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: He Kuang <hekuang@huawei.com>
Cc: a.p.zijlstra@chello.nl, mingo@redhat.com,
masami.hiramatsu.pt@hitachi.com, namhyung@kernel.org,
wangnan0@huawei.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] perf probe: Fix failure to probe events on arm
Date: Fri, 19 Jun 2015 18:08:32 -0300 [thread overview]
Message-ID: <20150619210832.GB28405@kernel.org> (raw)
In-Reply-To: <1434595750-129791-1-git-send-email-hekuang@huawei.com>
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?
- Arnaldo
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next prev parent reply other threads:[~2015-06-19 21:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-15 8:06 [PATCH] perf probe: Fix failure to probe events on arm He Kuang
2015-06-15 14:49 ` Arnaldo Carvalho de Melo
2015-06-16 6:05 ` Masami Hiramatsu
2015-06-16 13:39 ` Arnaldo Carvalho de Melo
2015-06-16 15:26 ` hekuang
2015-06-17 8:52 ` Masami Hiramatsu
2015-06-17 9:43 ` He Kuang
2015-06-17 11:18 ` Masami Hiramatsu
2015-06-18 2:49 ` [PATCH v2] " He Kuang
2015-06-19 21:08 ` Arnaldo Carvalho de Melo [this message]
2015-06-23 3:07 ` Masami Hiramatsu
2015-06-23 3:07 ` Masami Hiramatsu
2015-06-25 7:57 ` [tip:perf/core] " tip-bot for He Kuang
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