Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932446Ab0FIS47 (ORCPT ); Wed, 9 Jun 2010 14:56:59 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42380 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932308Ab0FIS45 (ORCPT ); Wed, 9 Jun 2010 14:56:57 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: To: "Theodore Ts'o" Cc: dhowells@redhat.com, Dave Airlie , linux-kernel@vger.kernel.org Subject: Re: Why is kslowd accumulating so much CPU time? Date: Wed, 09 Jun 2010 19:56:52 +0100 Message-ID: <21934.1276109812@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 508 Lines: 19 Theodore Ts'o wrote: > Is there any way to easily see what is scheduling themselves to use the > slow workqueue? Slow work has debugging. Turn on: CONFIG_SLOW_WORK_DEBUG=y then do: watch -n0 cat /sys/kernel/debug/slow_work/runqueue David -- 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/