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Date: Thu, 11 Nov 2010 14:56:24 +0800
Message-ID: <AANLkTinwAL8dFsDbd-ZTQEcEziq6jZk82KPzNqMVxnOx@mail.gmail.com>
Subject: [Questions] How to run 'perf top' on ARM to profile kernel functions
 with modules loaded
From: Ming Lei <tom.leiming@gmail.com>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>, Paul Mackerras <paulus@samba.org>,
        Ingo Molnar <mingo@elte.hu>,
        Arnaldo Carvalho de Melo <acme@redhat.com>,
        Russell King <linux@arm.linux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
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Sender: linux-kernel-owner@vger.kernel.org
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Hi,

'perf top' can't display any functions when modules are loaded on ARM.

But if all modules are unloaded, everything is OK and kernel functions can be
displayed.

So how can I make 'perf top' to profile kernel functions when modules are loaded
on ARM?

thanks,
-- 
Lei Ming
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