Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932087Ab2F0RoG (ORCPT ); Wed, 27 Jun 2012 13:44:06 -0400 Received: from mail-gh0-f174.google.com ([209.85.160.174]:37179 "EHLO mail-gh0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752765Ab2F0RoE convert rfc822-to-8bit (ORCPT ); Wed, 27 Jun 2012 13:44:04 -0400 MIME-Version: 1.0 In-Reply-To: <20120627173822.GK15811@google.com> References: <20120626125953.GA22557@redhat.com> <20120626155332.GJ22557@redhat.com> <20120626205651.GW3869@google.com> <20120627173822.GK15811@google.com> Date: Wed, 27 Jun 2012 12:44:04 -0500 Message-ID: Subject: Re: multi-second application stall in open() From: Josh Hunt To: Tejun Heo Cc: Vivek Goyal , Jens Axboe , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 655 Lines: 22 On Wed, Jun 27, 2012 at 12:38 PM, Tejun Heo wrote: > On Wed, Jun 27, 2012 at 12:21:32PM -0500, Josh Hunt wrote: >> Was wondering if you had any suggestions on further instrumentation or >> more data that you may need to better understand the problem? > > I think it's caused by the lazy HIGHPRI implementation in wq. ?Working > on it now. > > Thanks. > > -- > tejun Awesome, thanks! -- Josh -- 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/