Return-Path: Received: from fwil.voltaire.com ([193.47.165.2]:27995 "EHLO exil.voltaire.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753703Ab0G0KHH (ORCPT ); Tue, 27 Jul 2010 06:07:07 -0400 Date: Tue, 27 Jul 2010 13:07:04 +0300 (IDT) From: Or Gerlitz To: Trond Myklebust cc: linux-nfs@vger.kernel.org Subject: iostat "await" like counter for measuring nfs latency Message-ID: Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-nfs-owner@vger.kernel.org List-ID: MIME-Version: 1.0 Doing some iscsi and nfs performance testing, I realized that iostat(1) doesn't support an "await" (*) like counter for measuring nfs latency. Can tracking nfs latency be done in other means? is there a plan to extend the nfs iostats code to include such/similar counter? thanks, Or. (*) await - The average time (in milliseconds) for I/O requests issued to the device to be served. This includes the time spent by the requests in queue and the time spent servicing them.