Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965283AbVKHTZS (ORCPT ); Tue, 8 Nov 2005 14:25:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965278AbVKHTZR (ORCPT ); Tue, 8 Nov 2005 14:25:17 -0500 Received: from web34105.mail.mud.yahoo.com ([66.163.178.103]:64645 "HELO web34105.mail.mud.yahoo.com") by vger.kernel.org with SMTP id S965280AbVKHTZP (ORCPT ); Tue, 8 Nov 2005 14:25:15 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=1rHijpfQSDI0BH7kqVneqS6G/KD6DzDjPyEN6+VDUcnkusvcoPo4r9CMBIYGAd0aVPQTUMO5XobY6gIeAhG4rxVILcbA5JXdyNLu20H0tFE4BzYcFw1eOhaUsDuCfZuNEdWRcPPwokTEemUKKq0i36hwgmAAGybosgt1oKDrW30= ; Message-ID: <20051108192515.17247.qmail@web34105.mail.mud.yahoo.com> Date: Tue, 8 Nov 2005 11:25:15 -0800 (PST) From: Kenny Simpson Subject: re: mmap over nfs leads to excessive system load To: linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1544 Lines: 32 Just another data point.... If I open the file with O_DIRECT.. not much changes: samples % image name app name symbol name 12585321 18.9373 vmlinux-2.6.14 vmlinux-2.6.14 find_get_pages_tag 8608887 12.9539 vmlinux-2.6.14 vmlinux-2.6.14 mpage_writepages 6870600 10.3383 vmlinux-2.6.14 vmlinux-2.6.14 unlock_page 6605417 9.9393 vmlinux-2.6.14 vmlinux-2.6.14 clear_page_dirty_for_io 6259207 9.4183 vmlinux-2.6.14 vmlinux-2.6.14 release_pages 3249493 4.8896 vmlinux-2.6.14 vmlinux-2.6.14 __lookup_tag 3248871 4.8886 vmlinux-2.6.14 vmlinux-2.6.14 pci_conf1_write 2677914 4.0295 vmlinux-2.6.14 vmlinux-2.6.14 page_waitqueue 982811 1.4789 vmlinux-2.6.14 vmlinux-2.6.14 _read_lock_irqsave 917165 1.3801 vmlinux-2.6.14 vmlinux-2.6.14 _read_unlock_irq 758960 1.1420 vmlinux-2.6.14 vmlinux-2.6.14 __wake_up_bit 706607 1.0632 vmlinux-2.6.14 vmlinux-2.6.14 _spin_lock_irqsave -Kenny __________________________________ Yahoo! Mail - PC Magazine Editors' Choice 2005 http://mail.yahoo.com - 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/