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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF7E7C43334 for ; Mon, 18 Jul 2022 16:27:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233731AbiGRQ1S (ORCPT ); Mon, 18 Jul 2022 12:27:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235790AbiGRQ1J (ORCPT ); Mon, 18 Jul 2022 12:27:09 -0400 Received: from mail-pl1-x62e.google.com (mail-pl1-x62e.google.com [IPv6:2607:f8b0:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 535DC2AC5C for ; Mon, 18 Jul 2022 09:27:06 -0700 (PDT) Received: by mail-pl1-x62e.google.com with SMTP id q5so9484064plr.11 for ; Mon, 18 Jul 2022 09:27:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=H5cFyysoeTQyXDxMaPkX9P458DIkopQ0kteqyRLVvVk=; b=srwJ5unZpe8cCGvbxFkxoG5xA8CCLaXd6hjT6r4UJqAC2Dk9lZ8cZn7M345y7IpwC7 eaVrgXjwmBbdGfryzKzSWAUwlRSzK9XX35rLtK1XImEo8uLmhptnasNHtST0h7t7W59P CfucU3MJ8Kyry92SVGq2s93lW/DnA5oCb+Udj1nd8bWb/OliT7ajZdhytXxoIRjRcBCu wIIvdjXEQ2SKG6WM/MmawMJIXrWOI1lwytMLB2tDuWh8SOjI/AahEDwElobD98F5qpDN VlMKI3zwfaUQy1GFX+/E/Es1LQGPrJBC+KDdXkV/FOZ//ALPch62iMa2lnuKJF2uDR+b vs3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=H5cFyysoeTQyXDxMaPkX9P458DIkopQ0kteqyRLVvVk=; b=X7qGy8pYMSP18hBzbhrOOGsLG7WpvOGItzrcR2N0a5X8UfTyfK2Z/OJr+5EWYMk7bL OZX6CZgfdpcmvDhneSX7uvuyeATHmYcskf9opHtaVfEx1ZcKS6x8es0VGDDQzOCtwFng x8FXAsQY4IxPKyNBNha1wYTzhtrfHSxO5db+DuHN91uDXhQx02vWDeh4a4OCcbgWteeK 03wNwNUf+iwYUe6YYI6U+OU5PyT0IWb4AztyX0k89UutxNBs2MyyBpRguKxg6rvJLytm Py/71snDg1VcU5r9XIdlS+A4ToynknLK+VpMIWni0BYWY3uVH0Wxy95re0oRea0jRuN6 uPyw== X-Gm-Message-State: AJIora+Xl9Yc3NelGoIXb7/eficEA+tafEbv2Dom5ZywZPpIY2gQQKXT wxJA1xZPq3LxuaxSo/ZOKs55SQ== X-Google-Smtp-Source: AGRyM1sxVrWyI5XycSgmQCI2aYpXen9m2F2n99d+l9K7vIS2GIdNeVpz3cWYni+d1fP6RBTgZozOgQ== X-Received: by 2002:a17:90b:3a88:b0:1f0:56d5:460e with SMTP id om8-20020a17090b3a8800b001f056d5460emr38485602pjb.208.1658161626338; Mon, 18 Jul 2022 09:27:06 -0700 (PDT) Received: from [192.168.1.100] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id p10-20020a170902780a00b0016b68cf6ae5sm9701133pll.226.2022.07.18.09.27.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 18 Jul 2022 09:27:05 -0700 (PDT) Message-ID: <7146c853-0ff8-3c92-c872-ce6615baab40@kernel.dk> Date: Mon, 18 Jul 2022 10:27:04 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [LKP] Re: [io_uring] 584b0180f0: phoronix-test-suite.fio.SequentialWrite.IO_uring.Yes.Yes.1MB.DefaultTestDirectory.mb_s -10.2% regression Content-Language: en-US To: Yin Fengwei , kernel test robot Cc: LKML , io-uring@vger.kernel.org, lkp@lists.01.org, lkp@intel.com References: <20220527092432.GE11731@xsang-OptiPlex-9020> <2085bfef-a91c-8adb-402b-242e8c5d5c55@kernel.dk> <0d60aa42-a519-12ad-3c69-72ed12398865@intel.com> <26d913ea-7aa0-467d-4caf-a93f8ca5b3ff@kernel.dk> <9df150bb-f4fd-7857-aea8-b2c7a06a8791@intel.com> From: Jens Axboe In-Reply-To: <9df150bb-f4fd-7857-aea8-b2c7a06a8791@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 7/17/22 9:30 PM, Yin Fengwei wrote: > Hi Jens, > > On 7/15/2022 11:58 PM, Jens Axboe wrote: >> In terms of making this more obvious, does the below also fix it for >> you? > > The regression is still there after applied the change you posted. Still don't see the regression here, using ext4. I get about 1020-1045 IOPS with or without the patch you sent. This is running it in a vm, and the storage device is nvme. What is hosting your ext4 fs? -- Jens Axboe