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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90AEAC00140 for ; Mon, 15 Aug 2022 13:32:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232621AbiHONcK (ORCPT ); Mon, 15 Aug 2022 09:32:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44572 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242838AbiHONb6 (ORCPT ); Mon, 15 Aug 2022 09:31:58 -0400 Received: from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com [IPv6:2607:f8b0:4864:20::1034]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BC874193D3 for ; Mon, 15 Aug 2022 06:31:56 -0700 (PDT) Received: by mail-pj1-x1034.google.com with SMTP id p14-20020a17090a74ce00b001f4d04492faso6752641pjl.4 for ; Mon, 15 Aug 2022 06:31:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc; bh=CWRYKYmUqt8eEOVX3nqSEB+R46yZlA/ZWTwGwK50XRc=; b=1JvETOAQmXm37KQowrJ3QDzbrxnjCS1Z37/PrrmPiJq0cAFAC/z8C6bfKCJbjLMhfU Wn1lB/C/YxR/jb0C0S0xWHbqFHZ5/Fm6JxZWRL1Bi3Hy0chxGfVHDeg8OWOU+z0yjxWp GoP1kl7UZb0r31lXL0ndr1Cs4gOjHU7gCjsYzTxjXQMxbyTLviAtY+w7ICua4DmWDMoJ AFKarS3GDw+voIKQmo0nF8GYGr6CTG+TGbBsE74l/9fsvXuHR/MFRPBatdZsraDsvzCd JnXQ9xbRsGEGtCo6lINqk2daqFdnCjGkHUjQ1eE3hyfmZZxHELF0zrJL2KWhcNsCdykF ne1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc; bh=CWRYKYmUqt8eEOVX3nqSEB+R46yZlA/ZWTwGwK50XRc=; b=LjlFmZredRrwcM/4+QpFf+s4TSBHT8DCoG2JmgyASjrlLES3gvtlSMS1vTCCGYOGH4 iQT9+rze7QZcvEmDOj8j08XD5J7nxyc4bAbgwD+yZfWB/1MqN6iiftfyrZjygvsi4i56 l85R2eJ5cwNJd6ljYkTlgJ0L9AuZlNLjXoHTVqMMxQoduZidgd9M4daBnrZxwtKwBNP/ DFIjvkavydktz8vYjvjuFMVkwFyUGQxk+pNKu6xyqgI2wbFU+z9+fS3OwBHcKDbnjKeg VZM2+j/MJp8X9XI2dJds3QbaVc61h6P92ZVfmfxFIq3YjKJlYzWpwgX8yyvKRsfIGRlO YSAA== X-Gm-Message-State: ACgBeo3b8zufL/ExF1cv+rFLXc1e+gpeo8zosR0lHaHjhyX6jjcFKVaj i9ugd+7bqPpzNHIOeCJozD0lug== X-Google-Smtp-Source: AA6agR45i9MBYCzQk5IilUQ9i5f+P0H1KhnQJj5vU34O1XkKW5Tt41hQDcSIDioHFtGR9o8/zlsaPw== X-Received: by 2002:a17:902:ea07:b0:16e:daf6:6087 with SMTP id s7-20020a170902ea0700b0016edaf66087mr16882997plg.68.1660570316249; Mon, 15 Aug 2022 06:31:56 -0700 (PDT) Received: from [10.94.58.189] ([139.177.225.254]) by smtp.gmail.com with ESMTPSA id d65-20020a621d44000000b0052c7ff2ac74sm6784740pfd.17.2022.08.15.06.31.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 15 Aug 2022 06:31:55 -0700 (PDT) Message-ID: <141052b4-35f6-e2d2-1921-0ffa44d4b7ce@bytedance.com> Date: Mon, 15 Aug 2022 21:31:51 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.12.0 Subject: Re: [PATCH 0/5] sched/fair: SIS improvements and cleanups Content-Language: en-US To: Peter Zijlstra Cc: Josh Don , Chen Yu , linux-kernel@vger.kernel.org, Mel Gorman , Vincent Guittot References: <20220712082036.5130-1-wuyun.abel@bytedance.com> From: Abel Wu In-Reply-To: <20220712082036.5130-1-wuyun.abel@bytedance.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Peter, it would be appreciate if you can offer some advice! Thanks & Best, Abel On 7/12/22 4:20 PM, Abel Wu Wrote: > The first patch ignores the new sched_feat SIS_UTIL when > there are idle cores available to make full use of cpus > as possible. > > The other patches come from the SIS filter patchset [1], > since they are irrelevant to the filter. > > [1] https://lore.kernel.org/lkml/20220619120451.95251-1-wuyun.abel@bytedance.com/ > > Abel Wu (5): > sched/fair: ignore SIS_UTIL when has idle core > sched/fair: default to false in test_idle_cores > sched/fair: remove redundant check in select_idle_smt > sched/fair: avoid double search on same cpu > sched/fair: remove useless check in select_idle_core > > kernel/sched/fair.c | 45 ++++++++++++++++++++++----------------------- > 1 file changed, 22 insertions(+), 23 deletions(-) >