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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 5C373C4363D for ; Fri, 2 Oct 2020 08:43:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0EED920719 for ; Fri, 2 Oct 2020 08:43:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387632AbgJBIns convert rfc822-to-8bit (ORCPT ); Fri, 2 Oct 2020 04:43:48 -0400 Received: from mail.fireflyinternet.com ([77.68.26.236]:56358 "EHLO fireflyinternet.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726051AbgJBInr (ORCPT ); Fri, 2 Oct 2020 04:43:47 -0400 X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from localhost (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP (TLS) id 22599471-1500050 for multiple; Fri, 02 Oct 2020 09:43:27 +0100 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT In-Reply-To: <20201002082740.GI393@shao2-debian> References: <20201002082740.GI393@shao2-debian> Subject: Re: [drm/i915/gt] 98479ada42: phoronix-test-suite.supertuxkart.1024x768.Windowed.Basic.1.OldMine.frames_per_second -36.0% regression From: Chris Wilson Cc: Rodrigo Vivi , Andi Shyti , Lyude Paul , LKML , lkp@lists.01.org, lkp@intel.com, ying.huang@intel.com, feng.tang@intel.com, zhengjun.xing@intel.com, guobing.chen@intel.com, ming.a.chen@intel.com, frank.du@intel.com, Shuhua.Fan@intel.com, wangyang.guo@intel.com, Wenhuan.Huang@intel.com, jessica.ji@intel.com, shan.kang@intel.com, guangli.li@intel.com, tiejun.li@intel.com, yu.ma@intel.com, dapeng1.mi@intel.com, jiebin.sun@intel.com, gengxin.xie@intel.com, fan.zhao@intel.com To: kernel test robot Date: Fri, 02 Oct 2020 09:43:25 +0100 Message-ID: <160162820546.4780.2561710802505007406@build.alporthouse.com> User-Agent: alot/0.9 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting kernel test robot (2020-10-02 09:27:40) > Greeting, > > FYI, we noticed a -36.0% regression of phoronix-test-suite.supertuxkart.1024x768.Windowed.Basic.1.OldMine.frames_per_second due to commit: Where's the power consumption graph? You have a benchmark that although is running faster than the display is failing to keep the GPU busy. That alone says there is a latency issue along the GL paths. Is papering over an issue in command submission worth the power cost? -Chris