Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264344AbTFEBKO (ORCPT ); Wed, 4 Jun 2003 21:10:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264354AbTFEBKO (ORCPT ); Wed, 4 Jun 2003 21:10:14 -0400 Received: from leviathan.ele.uri.edu ([131.128.51.64]:45765 "EHLO leviathan.ele.uri.edu") by vger.kernel.org with ESMTP id S264344AbTFEBKN (ORCPT ); Wed, 4 Jun 2003 21:10:13 -0400 From: mingz Reply-To: mingz@ele.uri.edu To: linux-kernel@vger.kernel.org Subject: io performance monitoring under linux Date: Wed, 4 Jun 2003 21:12:38 -0400 User-Agent: KMail/1.5 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200306042112.38994.mingz@ele.uri.edu> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 557 Lines: 17 I wonder why Linux do not have a good performance monitoring facility in kernel. For example, there are no place in /proc to read counters like page cache, dcache hit ratio, disk queue length,, etc. does such info and tool already existed? thx. (i am not on this list, so pls cc to me as well, thx) ming - 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/