linux-kernel - Re: how to get chance for user space process even when the kernel is utilizing 100% CPU.

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Message-ID: <47A36279.90606@redhat.com>
Date:	Fri, 01 Feb 2008 13:18:33 -0500
From:	Chris Snook <csnook@...hat.com>
To:	veerasena reddy <veerasena_b@...oo.co.in>
CC:	"linux-kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: how to get chance for user space process even when the kernel
 is utilizing 100% CPU.

veerasena reddy wrote:
> I have a requirement where i need to execute a user process even when
> the kernel is utilizing 100% of CPU time.

In the realtime kernel, hardware interrupt handlers are prioritized 
threads, so you can give the userspace process a higher realtime priority.

	-- Chris
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