From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 182B8C2BBCF for ; Fri, 18 Dec 2020 02:17:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DD30223A68 for ; Fri, 18 Dec 2020 02:17:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732291AbgLRCRF (ORCPT ); Thu, 17 Dec 2020 21:17:05 -0500 Received: from mailout4.samsung.com ([203.254.224.34]:38704 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731878AbgLRCRC (ORCPT ); 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Fri, 18 Dec 2020 02:16:18 +0000 (GMT) Received: from epsmges2p2.samsung.com (unknown [182.195.40.188]) by epsnrtp2.localdomain (Postfix) with ESMTP id 4Cxst81y9hz4x9QH; Fri, 18 Dec 2020 02:16:16 +0000 (GMT) X-AuditID: b6c32a46-1d9ff7000000dbf8-57-5fdc10ee84e5 Received: from epcas2p4.samsung.com ( [182.195.41.56]) by epsmges2p2.samsung.com (Symantec Messaging Gateway) with SMTP id 1E.78.56312.EE01CDF5; Fri, 18 Dec 2020 11:16:14 +0900 (KST) Mime-Version: 1.0 Subject: RE: Re: [PATCH v14 0/3] scsi: ufs: Add Host Performance Booster Support Reply-To: daejun7.park@samsung.com Sender: Daejun Park From: Daejun Park To: Bart Van Assche , Daejun Park , Greg KH CC: "avri.altman@wdc.com" , "jejb@linux.ibm.com" , "martin.petersen@oracle.com" , "asutoshd@codeaurora.org" , "stanley.chu@mediatek.com" , "cang@codeaurora.org" , "huobean@gmail.com" , ALIM AKHTAR , "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Sung-Jun Park , yongmyung lee , Jinyoung CHOI , Adel Choi , BoRam Shin , SEUNGUK SHIN X-Priority: 3 X-Content-Kind-Code: NORMAL In-Reply-To: X-CPGS-Detection: blocking_info_exchange X-Drm-Type: N,general X-Msg-Generator: Mail X-Msg-Type: PERSONAL X-Reply-Demand: N Message-ID: <20201218021613epcms2p7ef4b3b095f9be9e7e1f8c74e1dc6af44@epcms2p7> Date: Fri, 18 Dec 2020 11:16:13 +0900 X-CMS-MailID: 20201218021613epcms2p7ef4b3b095f9be9e7e1f8c74e1dc6af44 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL X-CPGSPASS: Y X-CPGSPASS: Y CMS-TYPE: 102P X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrLJsWRmVeSWpSXmKPExsWy7bCmhe47gTvxBk9Pc1psvPuK1eLBvG1s FnvbTrBbvPx5lc3i8O137BbTPvxktvi0fhmrxctDmharHoRbNC9ez2Yx52wDk0Vv/1Y2i0U3 tjFZXN41h82i+/oONovlx/8xWdzewmWxdOtNRovO6WtYLBYt3M3iIOJx+Yq3x+W+XiaPnbPu sntMWHSA0WP/3DXsHi0n97N4fHx6i8Wjb8sqRo/Pm+Q82g90MwVwReXYZKQmpqQWKaTmJeen ZOal2yp5B8c7x5uaGRjqGlpamCsp5CXmptoqufgE6Lpl5gA9p6RQlphTChQKSCwuVtK3synK Ly1JVcjILy6xVUotSMkpMDQs0CtOzC0uzUvXS87PtTI0MDAyBapMyMlonnKXveAUW8W2Z3fZ GhifsnQxcnJICJhIzDrXydTFyMUhJLCDUWJD7x22LkYODl4BQYm/O4RBTGGBIIlnB/1AyoUE lCTWX5zFDmILC+hJ3Hq4hhHEZhPQkZh+4j5YXESgQmL2vw3sICOZBf6zSvzb8pYVYhevxIx2 mL3SEtuXbwVr5hSwlrhzajYbRFxD4seyXmYIW1Ti5uq37DD2+2PzGSFsEYnWe2ehagQlHvzc DRWXlDi2+wMThF0vsfXOL0aQIyQEehglDu+8BXWEvsS1jo1gR/AK+ErsP78IbDGLgKrE0nf3 oJpdJJZubgazmQXkJba/ncMMCghmAU2J9bv0QUwJAWWJI7dYYN5q2PibHZ3NLMAn0XH4L1x8 x7wnUNPVJNb9XM80gVF5FiKgZyHZNQth1wJG5lWMYqkFxbnpqcVGBUbIcbuJEZzOtdx2ME55 +0HvECMTB+MhRgkOZiUR3tAHt+OFeFMSK6tSi/Lji0pzUosPMZoCfTmRWUo0OR+YUfJK4g1N jczMDCxNLUzNjCyUxHlDV/bFCwmkJ5akZqemFqQWwfQxcXBKNTCd+TpnotUr1egToie+Pz3F z9dXuSt+c7X88/yfhv8brkprP2W9pN/mPNVJg33iIfNjqmIP5u8WW+T+/2VE6pqwlqqqKL8+ W64H6z+oHpt19ti6tiqZNKY4ubLsWbvfrW9eLd2/cfeL6c3Gl1wK5armXD+koCLk4L/ikcuC Dc4TvCcbcxiVbjL3/SEqnLxIiJUxedo1TUHTaM6UP0+OlbMbPT/sNVV43cnEHsddCt2HZtQl ilds3bIze6G+9+uC67M/Ltj3IvZbpKfWS5HNNoksDjtWSD9bfk9fovPVBalq2wmS5m9mb0m5 z1/5Mcfv4nVtgSn7lzWUnlUKUIja0/DA4cMS5qk57dZ7Nhrc2TJLiaU4I9FQi7moOBEAngR5 kXAEAAA= DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20201215082235epcms2p88c9d8fd4dc773f6a4901dab241063306 References: <20201216024444epcms2p5e69281911dd675306c473df3d2cef8b2@epcms2p5> <20201218010520epcms2p1f7994bde414008ea1f44c733350308db@epcms2p1> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/17/20 5:05 PM, Daejun Park wrote: > > Here is my iozone script: > > iozone -r 4k -+n -i2 -ecI -t 16 -l 16 -u 16 > > -s $IO_RANGE/16 -F mnt/tmp_1 mnt/tmp_2 mnt/tmp_3 mnt/tmp_4 > > mnt/tmp_5 mnt/tmp_6 mnt/tmp_7 mnt/tmp_8 mnt/tmp_9 mnt/tmp_10 mnt/tmp_11 > > mnt/tmp_12 mnt/tmp_13 mnt/tmp_14 mnt/tmp_15 mnt/tmp_16 > > > > Result: > > +----------+--------+---------+ > > | IO range | HPB on | HPB off | > > +----------+--------+---------+ > > | 1 GB | 294.8 | 300.87 | > > | 4 GB | 293.51 | 179.35 | > > | 8 GB | 294.85 | 162.52 | > > | 16 GB | 293.45 | 156.26 | > > | 32 GB | 277.4 | 153.25 | > > +----------+--------+---------+ > > Hi Daejun, > > What are the units of the numbers in columns 2 and 3? > > Thanks, > > Bart. > I forgot to add units, it is MB/s. Thanks Daejun