linux-kernel - Re: When and how to use ftrace?

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Message-Id: <1276051329.13426.48.camel@localhost.localdomain>
Date:	Tue, 08 Jun 2010 22:42:09 -0400
From:	Steven Rostedt <srostedt@...hat.com>
To:	Ryan Wang <openspace.wang@...il.com>
Cc:	linux-kernel@...r.kernel.org, kernelnewbies@...linux.org
Subject: Re: When and how to use ftrace?

On Wed, 2010-06-09 at 09:38 +0800, Ryan Wang wrote:
> Hi all,
> 
>        I'm new to kernel development, and I'm learning
> ftrace recently. I have one question:
>        When to use ftrace, or in which cases ftrace can be
> more efficient?

I can't really answer these questions without knowing what you want to
do?

ftrace allows you to see what is happening inside the kernel. What would
you like to see?

-- Steve

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