Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756201Ab3FRPPy (ORCPT ); Tue, 18 Jun 2013 11:15:54 -0400 Received: from e9.ny.us.ibm.com ([32.97.182.139]:34011 "EHLO e9.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753919Ab3FRPPx (ORCPT ); Tue, 18 Jun 2013 11:15:53 -0400 Date: Tue, 18 Jun 2013 08:15:20 -0700 From: "Paul E. McKenney" To: Christoph Lameter Cc: Frederic Weisbecker , Steven Rostedt , Ingo Molnar , Thomas Gleixner , Peter Zijlstra , Li Zhong , Borislav Petkov , Kevin Hilman , Mats Liljegren , LKML Subject: Re: [ANNOUNCE] Full dynticks selftests 0.0.1 Message-ID: <20130618151520.GP5146@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20130612151915.GD5332@somewhere> <0000013f57a89d51-89f08a58-65d0-41f5-aaaa-b31d60c72a8e-000000@email.amazonses.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0000013f57a89d51-89f08a58-65d0-41f5-aaaa-b31d60c72a8e-000000@email.amazonses.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13061815-7182-0000-0000-00000761B50D Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 870 Lines: 22 On Tue, Jun 18, 2013 at 02:20:35PM +0000, Christoph Lameter wrote: > On Wed, 12 Jun 2013, Frederic Weisbecker wrote: > > > Here it is, a very basic test that runs a userspace loop for ten seconds and dumps a trace > > of the tick, scheduler, workqueue, and other kind of kernel noise. > > Excellent. Ticks are finally off here. Also has useful instructions on how > to figure out if something was wrong. The number of >1 microsecond > disturbances went down from 110 per second to 2. Very cool! Frederic, is the git tree mentioned in your email permanent? If so, I will add it to the documentation. Thanx, Paul -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/