Re: Real-Time Preemption, -RT-2.6.10-rc2-mm3-V0.7.31-13

From: Zwane Mwaikambo
Date: Tue Nov 30 2004 - 11:57:01 EST


On Tue, 30 Nov 2004, Gene Heskett wrote:

> On Tuesday 30 November 2004 10:26, K.R. Foley wrote:
> >
> >"<some process> is being piggy... Read missed before next interrupt"
> >
> >2) tvtime is probably running at a RT priority of 99. The IRQ
> > handler for the rtc defaults to 48-49 (I think). If you didn't
> > already do so, you should bump the priority up as in:
> >
> >chrt -f -p 99 `/sbin/pidof 'IRQ 8'`
>
> [root@coyote root]# chrt -f -p 99 `/sbin/pidof 'IRQ 8'`
> bash: chrt: command not found
>
> chrt is an unknown command here. WTH? Basicly an FC2 system.

Install the package first (from an FC2 system)

zwane@r3000 ~ {0:1} rpm -qif `which chrt`
Name : schedutils Relocations: (not relocatable)
Version : 1.3.0 Vendor: Red Hat, Inc.
Release : 6 Build Date: Tue 17 Feb 2004
10:16:15 MST
Install Date: Tue 13 Jul 2004 11:13:52 MDT Build Host: tweety.devel.redhat.com
Group : Applications/System Source RPM: schedutils-1.3.0-6.src.rpm
Size : 39412 License: GPL
Signature : DSA/SHA1, Thu 06 May 2004 16:36:57 MDT, Key ID b44269d04f2a6fd2
Packager : Red Hat, Inc. <http://bugzilla.redhat.com/bugzilla>
Summary : Utilities for manipulating process scheduler attributes
Description : schedutils is a set of utilities for retrieving and
manipulating process scheduler-related attributes, such as real-time
parameters and CPU affinity.

This package includes the chrt and taskset utilities.

Install this package if you need to set or get scheduler-related
attributes.
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