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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 E57CAC07E85 for ; Fri, 7 Dec 2018 08:00:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B449120989 for ; Fri, 7 Dec 2018 08:00:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B449120989 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726013AbeLGIAK (ORCPT ); Fri, 7 Dec 2018 03:00:10 -0500 Received: from mga01.intel.com ([192.55.52.88]:5605 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725948AbeLGIAK (ORCPT ); Fri, 7 Dec 2018 03:00:10 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Dec 2018 00:00:10 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,324,1539673200"; d="scan'208";a="125868883" Received: from hu.sh.intel.com ([10.239.160.33]) by fmsmga004.fm.intel.com with ESMTP; 07 Dec 2018 00:00:09 -0800 From: "Chen, Hu" To: rjw@rjwysocki.net Cc: Chen Hu , Daniel Lezcano , linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Subject: Re: [RFC/RFT,v7] cpuidle: New timer events oriented governor for tickless systems Date: Fri, 7 Dec 2018 15:58:35 +0800 Message-Id: <20181207075840.5881-1-hu1.chen@intel.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <2047881.s5VBHReNGT@aspire.rjw.lan> References: <2047881.s5VBHReNGT@aspire.rjw.lan> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chen Hu Hi Rafael, I run several popular Android performance benchmarks on teov7, using kernel 4.19.0 as my baseline because I happen to work on it. To backport teov7 to kernel 4.19.0, I also backport patch 5f26bdc: "cpuidle: menu: Fix wakeup statistics updates for polling state". The teov7 doesn't show regressions on such perf KPIs. Compare "4.19 + 5f26bdc" and "4.19 + 5f26bdc + teov7" on Android with Intel Apollo Lake SoC: Test Case Diff after appling teov7 Antutu_6 0.51% GFX5_openGL_Car_Chase 0.43% GFX5_openGL_Car_Chase_offscreen 0.25% GFX5_openGL_Manhattan31 0.75% GFX5_openGL_Manhattan31_1080_offscreen -0.10% Geekbench3.3 -0.13% H264_1080P_60FPS 0.00% H264_2160P_60FPS 0.00% H265_2K_10bit 0.00% H265_2K_8bit 0.00% Resume_time 1.31% full_boot -0.39% Thanks Chen Hu