From mboxrd@z Thu Jan  1 00:00:00 1970
From: daniel.baluta@gmail.com (Daniel Baluta)
Date: Fri, 1 Apr 2011 13:03:12 +0300
Subject: how to get kernel functions calling stack/invokation ordert
In-Reply-To: <AANLkTinj4DA7SUhqUrxEBC0bwxYv9N8oBuN9xWufmr-g@mail.gmail.com>
References: <AANLkTinj4DA7SUhqUrxEBC0bwxYv9N8oBuN9xWufmr-g@mail.gmail.com>
Message-ID: <BANLkTimp4N96L4r0O+7m0-ONRzmH14QJog@mail.gmail.com>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

> Is there a way to find, in the kernel src tree, which routine/function is
> calling another function OR kernel function invocation stack order?
> This would be helpful for me to know the various steps/functionalities
> involved during executing something in kernel space.

At runtime you can use dumpstack() [1].
Otherwise, just for reading the code I suggest cscope [2].

thanks,
Daniel.

[1] http://lxr.linux.no/linux+v2.6.38/arch/x86/kernel/dumpstack.c#L198
[2] http://cscope.sourceforge.net/