From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tommi Virtanen Subject: ioping: tool to monitor I/O latency in real time Date: Tue, 10 Jul 2012 09:08:53 -0700 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: Received: from mail-gg0-f174.google.com ([209.85.161.174]:45982 "EHLO mail-gg0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753145Ab2GJQJP (ORCPT ); Tue, 10 Jul 2012 12:09:15 -0400 Received: by gglu4 with SMTP id u4so160093ggl.19 for ; Tue, 10 Jul 2012 09:09:14 -0700 (PDT) Sender: ceph-devel-owner@vger.kernel.org List-ID: To: ceph-devel@vger.kernel.org Hi. I stumbled on this over the weekend, and thought people here might be interested in seeing whether it's useful in figuring out things like btrfs health: http://code.google.com/p/ioping/