From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f48.google.com ([209.85.215.48]:35220 "EHLO mail-lf0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752928AbdBDADt (ORCPT ); Fri, 3 Feb 2017 19:03:49 -0500 Received: by mail-lf0-f48.google.com with SMTP id n124so18180322lfd.2 for ; Fri, 03 Feb 2017 16:03:48 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: From: Brandon Schwartz Date: Fri, 3 Feb 2017 17:03:17 -0700 Message-ID: Subject: Re: NCQ Priority Support and FIO Content-Type: text/plain; charset=UTF-8 Sender: fio-owner@vger.kernel.org List-Id: fio@vger.kernel.org To: Sitsofe Wheeler Cc: "fio@vger.kernel.org" Thanks for the info, I'll play around with that option and see if I can make that work. Is there anything that would allow me to control the amount of priority commands from within a single thread? Regards, Brandon On Thu, Feb 2, 2017 at 3:36 PM, Sitsofe Wheeler wrote: > Hi, > > Perhaps you could use multiple threads and utilise the flow > (http://fio.readthedocs.io/en/sphinx-doc/fio_doc.html#cmdoption-arg-flow > ) control on pairs of threads? > > On 2 February 2017 at 22:29, Brandon Schwartz wrote: >> >> 60% RandomRead / 40% RandomWrite but of those reads, have 15% be high priority >> >> Or is there a way to get this sort of priority testing done with >> current FIO? > > -- > Sitsofe | http://sucs.org/~sits/