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.