linux-kernel - Re: scheduler nice 19 versus 'idle' behavior / static low-priority scheduling

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Message-ID: <alpine.LSU.2.00.0901301515150.29805@fbirervta.pbzchgretzou.qr>
Date:	Fri, 30 Jan 2009 15:15:51 +0100 (CET)
From:	Jan Engelhardt <jengelh@...ozas.de>
To:	Nathanael Hoyle <nhoyle@...letech.com>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: scheduler nice 19 versus 'idle' behavior / static low-priority
 scheduling


On Friday 2009-01-30 08:59, Nathanael Hoyle wrote:
>> >Is there currently a standardized userspace tool to use to run a command
>> >in order to alter its scheduling class? Obviously writing one would be
>> >trivial, but didn't know if something like:
>> 
>> man chrt
>
>The latest version of man chrt that I can find implies that it handles
>SCHED_BATCH but not SCHED_IDLE. To that end, if anyone else is
>interested, I have thrown together the above-suggested 'runidle' which
>will invoke the passed command using the SCHED_IDLE scheduler; it's
>nothing fancy.

Should have added -i to chrt instead and submit ;-)
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