Received: by 2002:ac0:da4c:0:0:0:0:0 with SMTP id a12csp397795imi; Fri, 22 Jul 2022 01:14:22 -0700 (PDT) X-Google-Smtp-Source: AGRyM1t/Jx4xxYNTtj8jeY7LH9fiiXpHACQWegDfxr1hZ0/uKr8ESZS0RX2DEwwXCBQfiFr4s9RU X-Received: by 2002:a17:907:8a0e:b0:72b:9ca3:507 with SMTP id sc14-20020a1709078a0e00b0072b9ca30507mr2285959ejc.477.1658477662545; Fri, 22 Jul 2022 01:14:22 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1658477662; cv=none; d=google.com; s=arc-20160816; b=Ka+Lh0WtlzQZ9lSFYQlyuBp97c64sVRmpLdAQkaSpLA9TSjpIQ8EQtxvnur4Oxskio d6hUXUVpRJ1GYyowm1eJ9/fYybeLgkIMTeRnImkHj1AfKpUJSKCBtYWTeg+rGV6VmpNG j5wJUFEHDq7J8UBUTpPSYl0BtgqEDvTj5inIB/VNJGPRMqlTH0cNCeR/LLZA4cRdOu1o e8rVZwizOMjboTSaXq/gdigkIAPWx08uU9pXTefsY7U6zhaFqc6JZBaoqh/vrldsOZTP AIJ1463vf377s2gjOb+fhPzOkcBYqfGmSAMIu2BSfZMMJdk69IzCIy2qrsn+LMmWlZ9z IVjQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:feedback-id:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from; bh=b0NwsUjvwfSJ13+myNkVUajsRLXP7BgtagdPsQkLIyY=; b=TJs8jfEVhUtld/GIHEqLuv8HarATtfxNKGFgvDVwMBijPieVwnZFwkFyV+Kkbs+Gf+ /PvNXWNXylYgK70jOb18sYJ1qFlvp38vZIcXYwII3TJhOF2MBXDeGzOcGg3y7smHamr8 Hel9agnmpSXM/P6mq6r6TT9VTaDak4rL9BClLV/2lvCi1/9x46qz/yRH3W7ZaSl9B+03 ZVMMDo7BWWuMpmICbeos3V4tRGMeeyfYg9Wd1Dp1LLx8xtPBb+Ua7aqxbY/c+g4cAUm7 5zaOKaAz0Ti+0Z6KF0iLAm24b3ykAMijicyhXWw229sdihmKI2xMW3i7e3dEL9tlf25C 1BMA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id e3-20020a056402148300b0043ac928792esi4812956edv.541.2022.07.22.01.13.57; Fri, 22 Jul 2022 01:14:22 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234764AbiGVIIC (ORCPT + 99 others); Fri, 22 Jul 2022 04:08:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234757AbiGVIH4 (ORCPT ); Fri, 22 Jul 2022 04:07:56 -0400 Received: from smtpbgsg1.qq.com (smtpbgsg1.qq.com [54.254.200.92]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 62FF29B9F8 for ; Fri, 22 Jul 2022 01:07:53 -0700 (PDT) X-QQ-mid: bizesmtp79t1658477265tai0jwlc Received: from eureka.localdomain ( [123.124.208.226]) by bizesmtp.qq.com (ESMTP) with id ; Fri, 22 Jul 2022 16:07:30 +0800 (CST) X-QQ-SSF: 01400000002000B0D000000A0000020 X-QQ-FEAT: BlNBQFNV1ZVeA8rU1SPzmwZ7u+0PdTPHCpU9vugeV7vnr1MKcjuqSYaan6vBb MZ8N+01b4UX+1rLUDgiBxMXLGp5UqhbH0dQ984MbYhSdqFEmxdLatNF/1TaIdt55bxHnMQv ZZVImDrujg/0IoFGT0xHn99JpnDritGlkSlQ9nvgdzPjvAGyaNwPYQ6kKx2Oho4EdxeIale 1uzGP9aKqCQC34kW7zxO84sJco5dmkpAi1HKst+X4eN9qbSkzJhSVcKyEHMAZHpayNh2qT6 grkFygt7hfG2t9jZ4vgPIaUxFirqXwdb8LJ+feXuEPLyF7nxGNyv5g0atEadhyfVA/RuIeV zXAZmxfqc4ShUgqIr2GylkRfoBjuPf0f2w2v0XglXYSAYNtELx1J04YwTjuFNq9qI0Hhqv3 /b9JuUM7mM4= X-QQ-GoodBg: 1 From: Wang You To: bvanassche@acm.org Cc: axboe@kernel.dk, fio@vger.kernel.org, hch@lst.de, jaegeuk@kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ming.lei@redhat.com, wangxiaohua@uniontech.com, wangyoua@uniontech.com Subject: Re: [PATCH 1/2] block: Introduce nr_sched_batch sys interface Date: Fri, 22 Jul 2022 16:07:30 +0800 Message-Id: <20220722080730.363800-1-wangyoua@uniontech.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <21e7c959-6365-8029-d26d-985ff888333e@acm.org> References: <21e7c959-6365-8029-d26d-985ff888333e@acm.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:uniontech.com:qybgforeign:qybgforeign3 X-QQ-Bgrelay: 1 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > How can reducing the number of batched requests increase performance? > Please provide performance numbers. The test data of the original patch is in [PATCH 2/2], including the case of nr_sched_batch = 1, and then I will organize the data of different hardware in PATCH v2. Thanks, Wang.