From mboxrd@z Thu Jan 1 00:00:00 1970 From: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= Subject: Re: Locating processes impacting my rt application Date: Fri, 19 Nov 2010 15:53:14 +0100 Message-ID: <20101119145314.GS8942@pengutronix.de> References: <4CE428CB.20808@willowgarage.com> <4CE480BF.7050603@linux.intel.com> <4CE5A4A3.4040202@cygnusx-1.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-rt-users@vger.kernel.org To: "Leggo, Adam (UK)" Return-path: Received: from metis.ext.pengutronix.de ([92.198.50.35]:53001 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753210Ab0KSOxT (ORCPT ); Fri, 19 Nov 2010 09:53:19 -0500 Content-Disposition: inline In-Reply-To: Sender: linux-rt-users-owner@vger.kernel.org List-ID: Hello Adam, On Fri, Nov 19, 2010 at 12:05:11PM -0000, Leggo, Adam (UK) wrote: > Hello,=20 >=20 > I have been working on a simulator that sends large amount of data to > another system. I am having a problem where something in the system i= s > interupting my processing loops for an extended period. I would like > some suggestions on how to find the offending process and prevent it > from impacting my applications while it is running. Maybe an SMI is the problem here. Did you try hwlatdetect? Best regards Uwe --=20 Pengutronix e.K. | Uwe Kleine-K=F6nig = | Industrial Linux Solutions | http://www.pengutronix.de/= | -- To unsubscribe from this list: send the line "unsubscribe linux-rt-user= s" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html