Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757073Ab3DWSMO (ORCPT ); Tue, 23 Apr 2013 14:12:14 -0400 Received: from a193-30.smtp-out.amazonses.com ([199.255.193.30]:4865 "EHLO a193-30.smtp-out.amazonses.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756735Ab3DWSMM (ORCPT ); Tue, 23 Apr 2013 14:12:12 -0400 Date: Tue, 23 Apr 2013 18:12:10 +0000 From: Christoph Lameter X-X-Sender: cl@gentwo.org To: Frederic Weisbecker cc: Ingo Molnar , LKML , Chris Metcalf , Geoff Levand , Gilad Ben Yossef , Hakan Akkan , Kevin Hilman , Li Zhong , Oleg Nesterov , "Paul E. McKenney" , Paul Gortmaker , Peter Zijlstra , Steven Rostedt , Thomas Gleixner Subject: Re: [PATCH 2/2] nohz: Add basic tracing In-Reply-To: <1366664905-21884-3-git-send-email-fweisbec@gmail.com> Message-ID: <0000013e38188092-7e0b72ea-9ae0-417c-902a-5e8a88282073-000000@email.amazonses.com> References: <1366664905-21884-1-git-send-email-fweisbec@gmail.com> <1366664905-21884-3-git-send-email-fweisbec@gmail.com> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-SES-Outgoing: 199.255.193.30 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 593 Lines: 17 On Mon, 22 Apr 2013, Frederic Weisbecker wrote: > It's not obvious to find out why the full dynticks subsystem > doesn't always stop the tick: whether this is due to kthreads, > posix timers, perf events, etc... > > These new tracepoints are here to help the user diagnose > the failures and test this feature. Very good. This will help a lot. -- 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/