From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 14 May 2002 11:19:26 -0700 From: "Martin J. Bligh" Subject: Re: [RFC][PATCH] iowait statistics Message-ID: <37930000.1021400366@flay> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: owner-linux-mm@kvack.org Return-Path: To: Rik van Riel , William Lee Irwin III Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: >> This appears to be global across all cpu's. Maybe nr_iowait_tasks >> should be accounted on a per-cpu basis, where > > While your proposal should work, somehow I doubt it's worth > the complexity. It's just a statistic to help sysadmins ;) Depends how often you're going to end up bouncing that cacheline around ... do you do this for every IO? M. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/