From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from brick.kernel.dk ([93.163.65.50]:57739 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750843AbZFTG1B (ORCPT ); Sat, 20 Jun 2009 02:27:01 -0400 Date: Sat, 20 Jun 2009 08:27:03 +0200 From: Jens Axboe Subject: Re: Ques on FIO output (how to interpret iops) Message-ID: <20090620062702.GI31415@kernel.dk> References: <7efa8a7d0906191519l5b268430o3ec4c96e60dfcb7a@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7efa8a7d0906191519l5b268430o3ec4c96e60dfcb7a@mail.gmail.com> Sender: fio-owner@vger.kernel.org List-Id: fio@vger.kernel.org To: Learner Study Cc: fio@vger.kernel.org On Fri, Jun 19 2009, Learner Study wrote: > Hi: > > How do I calculate total IOPS done by different FIO threads/jobs? > > Following is output from FIO (with two threads)... > > Each thread shows "bw" and "iops" numbers. Towards the end of output log, > there is "aggrb" which is sum of individual "bw" of threads, but "io" field > (3 line from the bottom of output below) doesn't seem to be sum of > individual thread iops.... > > For example, Thread_1 has bw: 15k iops: 29366 > Thread_2 has bw: 15k iops: 29445 > But, the summary towards the end (third line from bottom of output), says > "io=1,723MiB, aggrb=30,105KiB/s". > > In this aggrb is good but io doesn't match up (it should be 58781) ! Can > someone please educate what am I missing? Can you try a newer version? If the problem is still there, the best way to get it fixed is to send my a simple job file that reproduces the problem, and then I can easily fix it for you. -- Jens Axboe