Re: [RFC][PATCH 2.6.11-rc3-mm1] Relay Fork Module

[Andrew Morton]

Guillaume Thouvenin <guillaume.thouvenin@xxxxxxxx> wrote:
>
> Hello,
> 	
>    This module sends a signal to one or several processes (in user
> space) when a fork occurs in the kernel. It relays information about
> forks (parent and child pid) to a user space application.
>
> ...
>    This patch is used by the Enhanced Linux System Accounting tool that
> can be downloaded from http://elsa.sf.net

So this permits ELSA to maintain a complete picture of the process/thread
hierarchy?  I guess that fits into the "do it in userspace" mantra -
certainly hooking into fork() is a minimal way of doing this, although I
wonder what the limitations are.

Implementation-wise: there's a lot of code there and the interface is a bit
awkward.  Why not just feed that kobject you have there into
kobject_uevent()?
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