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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 58589C00140 for ; Thu, 18 Aug 2022 10:11:55 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D07BF8D0002; Thu, 18 Aug 2022 06:11:54 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id CB71F6B0075; Thu, 18 Aug 2022 06:11:54 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B30D18D0002; Thu, 18 Aug 2022 06:11:54 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id A43ED6B0074 for ; Thu, 18 Aug 2022 06:11:54 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 819AA1C721C for ; Thu, 18 Aug 2022 10:11:54 +0000 (UTC) X-FDA: 79812297348.06.CB81641 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by imf11.hostedemail.com (Postfix) with ESMTP id 96343413B6 for ; Thu, 18 Aug 2022 10:04:56 +0000 (UTC) Received: from fraeml739-chm.china.huawei.com (unknown [172.18.147.201]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4M7fch5Y73z688mK; Thu, 18 Aug 2022 17:25:24 +0800 (CST) Received: from lhrpeml500003.china.huawei.com (7.191.162.67) by fraeml739-chm.china.huawei.com (10.206.15.220) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 18 Aug 2022 11:28:31 +0200 Received: from [10.48.157.252] (10.48.157.252) by lhrpeml500003.china.huawei.com (7.191.162.67) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 18 Aug 2022 10:28:30 +0100 Message-ID: Date: Thu, 18 Aug 2022 10:28:30 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 Subject: Re: [ata] 0568e61225: stress-ng.copy-file.ops_per_sec -15.0% regression To: Oliver Sang CC: Damien Le Moal , Christoph Hellwig , "Martin K. Petersen" , LKML , Linux Memory Management List , , , , , , , References: <2e9cf5a6-c043-5ccf-e363-097c6c941891@huawei.com> <43eaa104-5b09-072c-56aa-6289569b0015@opensource.wdc.com> <28d6e48b-f52f-9467-8260-262504a1a1ff@huawei.com> <743867a6-b266-58e4-a8a6-542757916f0a@huawei.com> From: John Garry In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.48.157.252] X-ClientProxiedBy: lhrpeml100004.china.huawei.com (7.191.162.219) To lhrpeml500003.china.huawei.com (7.191.162.67) X-CFilter-Loop: Reflected ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=none; spf=pass (imf11.hostedemail.com: domain of john.garry@huawei.com designates 185.176.79.56 as permitted sender) smtp.mailfrom=john.garry@huawei.com; dmarc=pass (policy=quarantine) header.from=huawei.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1660817095; a=rsa-sha256; cv=none; b=LRfBWiUdUkPF2gm6GWAjYKqiQS4XH7uT8IN1wGTjhn26psvwdstCIvxxL/dESfYybiWGw7 VztseS9s9KEU4HrwmYoZeygH8jSYjcPJWs6doDfrazP+4/bghmVTfx3yfDzTzP2GfWrYvd nO4uVHWwLNwB54GGJ9P5naG1LrKrFf0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1660817095; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=lLGd2CposfN4lbXijkHsz30egTAICW2NmaW7miVdX4I=; b=RQPrRY2BFq2UAUBn6PmZz7ntJNp2jtSvCq/C3dT/2uEXMY41H48gyGTmb/Iu/zMQhKNOjc 0KPwXN95SaYPpe9C9o/MatuwnPQePI801vhZufCFoO0W2Y1q3tgrh+j3kAyvi2vtRnf3UG 9LKFRHrj4Na6jKMIzokaVHPHS9taTC0= X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 96343413B6 Authentication-Results: imf11.hostedemail.com; dkim=none; spf=pass (imf11.hostedemail.com: domain of john.garry@huawei.com designates 185.176.79.56 as permitted sender) smtp.mailfrom=john.garry@huawei.com; dmarc=pass (policy=quarantine) header.from=huawei.com X-Rspam-User: X-Stat-Signature: 4wjg8ga3q7p9psbid15rongkzego1t3c X-HE-Tag: 1660817096-442273 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 18/08/2022 03:06, Oliver Sang wrote: Hi Oliver, >>> did I do the right thing? >> Sorry but I was not really interested in 4cbfca5f77 and I see where that >> build error is coming, but don't be concerned with it. However, for >> avoidance of doubt, if you have results for vanilla v6.0-rc1 then that would >> be appreciated. > for v6.0-rc1, it's still 512/512 > >> I will also send a separate patch for testing if you don't mind. > sure! we are very glad that we could help. As you probably saw, I sent "[RFT PATCH] ata: libata: Set __ATA_BASE_SHT max_sectors" for testing on top of v6.0-rc1, and I hope that then we can get same performance as v5.19 Thanks, John