Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934935AbaFCQzi (ORCPT ); Tue, 3 Jun 2014 12:55:38 -0400 Received: from mail-we0-f175.google.com ([74.125.82.175]:46128 "EHLO mail-we0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932800AbaFCQzc (ORCPT ); Tue, 3 Jun 2014 12:55:32 -0400 Date: Tue, 3 Jun 2014 18:55:28 +0200 From: Frederic Weisbecker To: Christoph Lameter Cc: Andrew Morton , Gilad Ben-Yossef , Thomas Gleixner , Tejun Heo , John Stultz , Hakan Akkan , Max Krasnyansky , "Paul E. McKenney" , linux-kernel@vger.kernel.org, linux-mm@kvack.org, hughd@google.com, viresh.kumar@linaro.org, hpa@zytor.com, mingo@kernel.org, peterz@infradead.org, Mike Frysinger , Minchan Kim Subject: Re: [PATCH] vmstat: on demand updates from differentials V7 Message-ID: <20140603165526.GG23860@localhost.localdomain> References: <20140603160953.GF23860@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 03, 2014 at 11:38:02AM -0500, Christoph Lameter wrote: > On Tue, 3 Jun 2014, Frederic Weisbecker wrote: > > > So after the cpumask_var_t conversion I have no other concern except > > Is there some way to observe which worker threads are queued on which > processor? I see nothing in /sys/devices/virtual/workqueues (urg should be > /sys/kernel/workqueues) that shows that? Yeah you can see that with workqueue tracing events. Check out /sys/kernel/debug/tracing/events/workqueue/ and more specifically workqueue_execute_start/ and workqueue_queue_work/. -- 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/