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From: Nivedita Singhvi <niv@us.ibm.com>
To: "Darcy L. Watkins" <dwatkins@tranzeo.com>
Cc: linux-rt-users@vger.kernel.org
Subject: Re: Changing real time priority of interrupt handler thread
Date: Tue, 18 May 2010 08:04:58 -0700	[thread overview]
Message-ID: <4BF2AC9A.3060301@us.ibm.com> (raw)
In-Reply-To: <1274192889.17960.14.camel@localhost.localdomain>

Darcy L. Watkins wrote:

>>> Have you tried using the rtctl utility and the /etc/rtgroups file?
> 
> Where are the source tarball projects for these located so I can try
> porting/using them [at least some of it] on my embedded linux?  ... or
> is this a proprietary Redhat utility only in RPM binaries?  Google
> search seems to mainly land me at IBM and Redhat user docs and FAQs.

rtctl is GPL, not proprietary. A quick google search brought
up the following:

http://ftp.riken.go.jp/pub/Linux/cern/mrg/slc5X/SRPMS/

http://ftp.riken.go.jp/pub/Linux/cern/mrg/slc5X/SRPMS/rtctl-1.7-1.el5rt.src.rpm

> Perhaps my issue earlier with serial buffer overruns is just a tune up
> issue.
> 
> I want to tune up RT on PowerPC 405 and ARM11 MX.31 based embedded
> systems where the rootfs is built (cross compiled) using
> buildroot/uclibc, etc and not x86 binaries from a full feature distro
> such as Fedora, Debian, etc.

Setting thread priorities for your environment will certainly
be a good thing in general.

thanks,
Nivedita

  reply	other threads:[~2010-05-18 15:05 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-05 13:08 Changing real time priority of interrupt handler thread Raphael Hertzog
2010-05-05 18:37 ` Nivedita Singhvi
2010-05-06 17:54   ` Steven Rostedt
2010-05-18 14:28     ` Darcy L. Watkins
2010-05-18 15:04       ` Nivedita Singhvi [this message]
2010-05-18 15:17         ` Darcy L. Watkins
2010-05-18 15:24           ` Nivedita Singhvi
2010-05-25 13:02   ` Raphael Hertzog
2010-05-25 13:25     ` Steven Rostedt
2010-05-25 13:50       ` Clark Williams

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