linux-kernel - Profiling the Kernel

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Message-ID: <40378e40708010851q48d73e36v3b1d468aa7712284@mail.gmail.com>
Date:	Wed, 1 Aug 2007 17:51:45 +0200
From:	"Mohamed Bamakhrama" <bamakhrama@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: Profiling the Kernel

Hi *,
I have a question regarding profiling the Linux kernel code during
runtime (by "profile", I mean the usage of each function/module within
the kernel itself). I googled and found many "system-wide" profiler
such as sysprof, Oprofile, etc... I am working on an embedded system
project and currently we are using an on-chip debugger which
interfaces with the system through EJTAG port. All what it can provide
is just a "uniform sampling" of the kernel code usage and according to
the manufacturer, it is not a safe way to determine the "hot spots"
within the kernel. Does anyone know about any hardware/software tool
that can provide a "good" profile of the kernel code usage?

Thanks in advance.

Best regards,

-- 
Mohamed A. Bamakhrama
Web: http://home.cs.tum.edu/~bamakhra/
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