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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 03CC9C47087 for ; Tue, 25 May 2021 16:44:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D60F361423 for ; Tue, 25 May 2021 16:44:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233038AbhEYQqD (ORCPT ); Tue, 25 May 2021 12:46:03 -0400 Received: from mail-pl1-f169.google.com ([209.85.214.169]:40764 "EHLO mail-pl1-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230377AbhEYQp7 (ORCPT ); Tue, 25 May 2021 12:45:59 -0400 Received: by mail-pl1-f169.google.com with SMTP id n8so11422963plf.7; Tue, 25 May 2021 09:44:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=CaqjTqqmQT7xqCIFzdCE6BMUTxhsquiSo9yLIXmZo+s=; b=Brj0yWnZoRRO3oNCRnbdKC41F3+Bomb4Jf8xohEveftzYfdvqUOyIkIluD86V1Has0 d8OoeO1P1eqBrMoWrOmKAjGPX70Ca0kMyA2VTtZy3LeEUlATKnSCce43FltmVe69o1qK NBNW6UiyHBOm1v+GwTQ8MluMiNas+m9wohTUkiXle1o93l0i0TLiP2l0db6yzrFBfyQM fF3vK54t38TWwwgca6iRinK0CyHExsqWz+mIrjSk0lonPmisp6uQ5ueFF6HfQu3ciC9z SoswlDbQcbytqpyh+fjfsXQYQfvPBofrnIH2GbqjW4GL9d3NwDdOxCS11FYOP5au+jwk cs7w== X-Gm-Message-State: AOAM533ly/5NnjPPaKt5W0QT/GUejS0yhyS7s8Ju63cpJ/UJ2K5uCK4L Gxesij4/hmvQmyE7JOYR6bUsJS/laDo= X-Google-Smtp-Source: ABdhPJxfSsWtNseKWam3FCFToUIuDzEzfbBQikWPI6eHDzWdhKPORb1DFGR0SMWyDQFFLOYVg+ONEg== X-Received: by 2002:a17:90a:7601:: with SMTP id s1mr5747947pjk.66.1621961069389; Tue, 25 May 2021 09:44:29 -0700 (PDT) Received: from [192.168.3.217] (c-73-241-217-19.hsd1.ca.comcast.net. [73.241.217.19]) by smtp.gmail.com with ESMTPSA id lp13sm2504005pjb.0.2021.05.25.09.44.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 May 2021 09:44:28 -0700 (PDT) Subject: Re: 2463a604a8: netperf.Throughput_tps 12.8% improvement To: kernel test robot Cc: 0day robot , John Garry , Hannes Reinecke , LKML , lkp@lists.01.org, ying.huang@intel.com, feng.tang@intel.com, zhengjun.xing@intel.com, "Martin K . Petersen" , Christoph Hellwig , linux-scsi@vger.kernel.org, "James E.J. Bottomley" References: <20210525064427.GC7744@xsang-OptiPlex-9020> From: Bart Van Assche Message-ID: Date: Tue, 25 May 2021 09:44:26 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 MIME-Version: 1.0 In-Reply-To: <20210525064427.GC7744@xsang-OptiPlex-9020> Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/24/21 11:44 PM, kernel test robot wrote: > FYI, we noticed a 12.8% improvement of netperf.Throughput_tps due to commit: > > commit: 2463a604a86728777ce4284214a52de46a808c9e ("[PATCH v3 2/3] Introduce enums for the SAM, message, host and driver status codes") > url: https://github.com/0day-ci/linux/commits/Bart-Van-Assche/Introduce-enums-for-SCSI-status-codes/20210524-105751 > base: https://git.kernel.org/cgit/linux/kernel/git/mkp/scsi.git for-next > > in testcase: netperf > on test machine: 192 threads 4 sockets Intel(R) Xeon(R) Platinum 9242 CPU @ 2.30GHz with 192G memory > with following parameters: > > ip: ipv4 > runtime: 300s > nr_threads: 16 > cluster: cs-localhost > test: TCP_CRR > cpufreq_governor: performance > ucode: 0x5003006 > > test-description: Netperf is a benchmark that can be use to measure various aspect of networking performance. > test-url: http://www.netperf.org/netperf/ The above email reports a performance improvement for the networking subsystem while my patch only affects the SCSI subsystem and should not have any performance impact. I'm confused by the above feedback ... Bart. From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============8590761755712460051==" MIME-Version: 1.0 From: Bart Van Assche To: lkp@lists.01.org Subject: Re: 2463a604a8: netperf.Throughput_tps 12.8% improvement Date: Tue, 25 May 2021 09:44:26 -0700 Message-ID: In-Reply-To: <20210525064427.GC7744@xsang-OptiPlex-9020> List-Id: --===============8590761755712460051== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On 5/24/21 11:44 PM, kernel test robot wrote: > FYI, we noticed a 12.8% improvement of netperf.Throughput_tps due to comm= it: > = > commit: 2463a604a86728777ce4284214a52de46a808c9e ("[PATCH v3 2/3] Introdu= ce enums for the SAM, message, host and driver status codes") > url: https://github.com/0day-ci/linux/commits/Bart-Van-Assche/Introduce-e= nums-for-SCSI-status-codes/20210524-105751 > base: https://git.kernel.org/cgit/linux/kernel/git/mkp/scsi.git for-next > = > in testcase: netperf > on test machine: 192 threads 4 sockets Intel(R) Xeon(R) Platinum 9242 CPU= @ 2.30GHz with 192G memory > with following parameters: > = > ip: ipv4 > runtime: 300s > nr_threads: 16 > cluster: cs-localhost > test: TCP_CRR > cpufreq_governor: performance > ucode: 0x5003006 > = > test-description: Netperf is a benchmark that can be use to measure vario= us aspect of networking performance. > test-url: http://www.netperf.org/netperf/ The above email reports a performance improvement for the networking subsystem while my patch only affects the SCSI subsystem and should not have any performance impact. I'm confused by the above feedback ... Bart. --===============8590761755712460051==--