From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Grandegger Subject: Re: 2.6.24-rc8-rt1 Date: Thu, 17 Jan 2008 19:46:18 +0100 Message-ID: <478FA27A.9030507@grandegger.com> References: <1200544050.318.18.camel@localhost.localdomain> <478F2A46.5070506@grandegger.com> <1200586632.18731.141.camel@imap.mvista.com> <478F9BCE.4030301@grandegger.com> <1200594655.18731.148.camel@imap.mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Steven Rostedt , LKML , RT , Ingo Molnar , Thomas Gleixner To: Daniel Walker Return-path: Received: from mail-out.m-online.net ([212.18.0.9]:42371 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752661AbYAQSqV (ORCPT ); Thu, 17 Jan 2008 13:46:21 -0500 In-Reply-To: <1200594655.18731.148.camel@imap.mvista.com> Sender: linux-rt-users-owner@vger.kernel.org List-ID: Daniel Walker wrote: > On Thu, 2008-01-17 at 19:17 +0100, Wolfgang Grandegger wrote: >> [ 0.733248] TCP bind hash table entries: 2048 (order: 3, 57344 >> bytes) >> [ 0.741132] TCP: Hash tables configured (established 2048 bind >> 2048) >> [ 0.747981] TCP reno registered >> [ 0.805896] krcupreemptd setsched 0 >> [ 0.809657] prio = 98 > > That's interesting .. You chould try running cyclictest at priority 99 > to eliminate other threads that might get involved (using -p99 instead > of -p80 , I think) .. I already tried that but I did not realize any difference. If I run "while ls; do ls /bin; done" on the console I even get: #./cyclictest -n -p99 -i1000 2.82 1.70 0.90 2/45 3168 T: 0 ( 2426) P:99 I:1000 C: 135995 Min: 57 Act: 110 Avg: 106 Max: 911 Wolfgang.