From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Darcy L. Watkins" Subject: Re: Changing real time priority of interrupt handler thread Date: Tue, 18 May 2010 08:17:31 -0700 Message-ID: <1274195851.9142.9.camel@localhost.localdomain> References: <20100505130845.GA9118@rivendell> <4BE1BADA.3040902@us.ibm.com> <1273168487.22438.44.camel@gandalf.stny.rr.com> <1274192889.17960.14.camel@localhost.localdomain> <4BF2AC9A.3060301@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: linux-rt-users@vger.kernel.org To: Nivedita Singhvi Return-path: Received: from isa.tranzeo.com ([64.114.87.10]:2572 "EHLO mail2.tranzeo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752893Ab0ERPRd (ORCPT ); Tue, 18 May 2010 11:17:33 -0400 In-Reply-To: <4BF2AC9A.3060301@us.ibm.com> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On Tue, 2010-05-18 at 08:04 -0700, Nivedita Singhvi wrote: > 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: Excellent! and thanks! I see SRPMs for rt-setup, tuna, etc there as well. Is this FTP site the usual place to pick up SRPMs for these utilities as they are updated / released? Darcy > > 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