From patchwork Wed Sep 20 13:00:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Andrzej Siewior X-Patchwork-Id: 142419 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:172:b0:3f2:4152:657d with SMTP id h50csp4155739vqi; Wed, 20 Sep 2023 06:53:03 -0700 (PDT) X-Google-Smtp-Source: AGHT+IH4pBS1o4w5e/eQuau2qI4KSHPCaivj/zK8ddFk6dk72RBlFYhpZZNJwTSiJ7udZUvSAnxW X-Received: by 2002:a05:6a21:3295:b0:153:39d9:56f8 with SMTP id yt21-20020a056a21329500b0015339d956f8mr7514881pzb.15.1695217983064; Wed, 20 Sep 2023 06:53:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1695217983; cv=none; d=google.com; s=arc-20160816; b=bxkpFdU8THTQwHx4OJwwT9Bd0o+9yTmk8z8QrY4LGEYO1SkviLqM0UM+jcQAbOOIyb Wxf4B7lP62NRs4S4VO1Q5edGAMD2TPmZleHBKK55l9dbrc8XyQCqBuYBYwtqwRxHbTkt P2jcsx/Te5S/gBF8t50S7yLJX8GHz39Bz6bVku1H3Lwv/JqThr674iKZ0oI7P8sNRevz OGEn7/TWpKGnkLbztHdLnwW50d9nFp605pCvofR2WszXbZycc/2izOmG/zXzC2FXxHJK RX8az3slnRCQMEHKRoNGtePNTZ9PplsnSVPhjCiLMArFMCMzleHRrZW5Ag+iX/q1FtON oZNw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:dkim-signature :dkim-signature:from; bh=dZdoO2l4qhPbEU8tjxkk6zOdWcpP9/0yF9VsRLRNan8=; fh=nkdA5JKePbZMLO9lRAbsQz3L/4g8EqbdZ6mD/uxHhcY=; b=puL0giAk3tGV9G+/t4VvUs3kVnyKDUPBzzD40S7XXgbAavfPqETt+xAPqLqWdBIBU/ b4ymeADOLVoDbW+kah20ter9KRs2Qsr0CrbuI/K7sb4fGte4l6sX8h9dHckCn1/254rZ tUJLxh9GrQ/8VpbdmL+e0/xVymX1lRniyOCZdyIUJuc6zmvJD8VukwbejAP4U/Q/5iae RBIf9jlxy2UWCARjyj2ri+WzCbpYCBHiBsejyirsnwqE0/PFJXnpOEas3jfZDykn2gAA KLHUZUb/Oiz0N4fjH++mAxxGjWp8xeaeiKt3IwaatFG8BeksyWkszbzJRmsoKbr5pbLZ VCsQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=Ko3aXO7O; dkim=neutral (no key) header.i=@linutronix.de header.b=6ZZwY2pq; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.31 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: from morse.vger.email (morse.vger.email. [23.128.96.31]) by mx.google.com with ESMTPS id a21-20020a63e855000000b00578e4816c9asi1264006pgk.19.2023.09.20.06.53.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Sep 2023 06:53:03 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.31 as permitted sender) client-ip=23.128.96.31; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=Ko3aXO7O; dkim=neutral (no key) header.i=@linutronix.de header.b=6ZZwY2pq; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.31 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by morse.vger.email (Postfix) with ESMTP id D6B778313D29; Wed, 20 Sep 2023 06:01:11 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at morse.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236047AbjITNAn (ORCPT + 26 others); Wed, 20 Sep 2023 09:00:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60768 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236364AbjITNAj (ORCPT ); Wed, 20 Sep 2023 09:00:39 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6AB72D9 for ; Wed, 20 Sep 2023 06:00:32 -0700 (PDT) From: Sebastian Andrzej Siewior DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1695214831; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dZdoO2l4qhPbEU8tjxkk6zOdWcpP9/0yF9VsRLRNan8=; b=Ko3aXO7OjXZRYQAsGq3aAmYg0QUiXJ4k+a/mLdJX0xPoif3q15B5w1w6Af2/aHrTe0QsnM 6/eiWJOexJ3HNCvdxnwOuLm0rad1wVoOOvaeZ6AxApv4qNBW59ELLUVi7wwn0F1lWJmtvt tXTrw9UauWxvgvB9lXouVUM9PQUvInyGex687WVvCia8wvsBd241BN0z4/wV1kSNklNFlM aijvOkHO1JnECb5WIyWuOQcnUjkuV5BTGwD6i/TPGm6cq/A86fG6oRZ+N0Tz26CLpMtO6h NE8cLnzOiChtGh3rptZEfWWZUBwk79rZGWCAxmQyeB2oa3pfEp+SFQWZjGI9iw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1695214831; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dZdoO2l4qhPbEU8tjxkk6zOdWcpP9/0yF9VsRLRNan8=; b=6ZZwY2pqDXziLukda0tMMK7ezRhpOU/bAGVwUfJY5RLf+zUBmOrtfP5M96rhcAkSvtJ6xk YMl42AAJGJpBO5Cg== To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Thomas Gleixner , Sebastian Andrzej Siewior Subject: [PATCH 1/2] sched: Remove sysctl sched_child_runs_first. Date: Wed, 20 Sep 2023 15:00:24 +0200 Message-Id: <20230920130025.412071-2-bigeasy@linutronix.de> In-Reply-To: <20230920130025.412071-1-bigeasy@linutronix.de> References: <20230920130025.412071-1-bigeasy@linutronix.de> MIME-Version: 1.0 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Wed, 20 Sep 2023 06:01:11 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1777564891754200356 X-GMAIL-MSGID: 1777564891754200356 The sched_child_runs_first knob is no longer connected since commit 5e963f2bd4654 ("sched/fair: Commit to EEVDF") Remove sched_child_runs_first. Signed-off-by: Sebastian Andrzej Siewior --- kernel/sched/debug.c | 1 - kernel/sched/fair.c | 13 ------------- kernel/sched/sched.h | 2 -- 3 files changed, 16 deletions(-) diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 4c3d0d9f3db63..132dfd1e6f475 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -864,7 +864,6 @@ static void sched_debug_header(struct seq_file *m) #define PN(x) \ SEQ_printf(m, " .%-40s: %Ld.%06ld\n", #x, SPLIT_NS(x)) PN(sysctl_sched_base_slice); - P(sysctl_sched_child_runs_first); P(sysctl_sched_features); #undef PN #undef P diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index fcf0c5bc8b478..75720008fdd21 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -78,12 +78,6 @@ unsigned int sysctl_sched_tunable_scaling = SCHED_TUNABLESCALING_LOG; unsigned int sysctl_sched_base_slice = 750000ULL; static unsigned int normalized_sysctl_sched_base_slice = 750000ULL; -/* - * After fork, child runs first. If set to 0 (default) then - * parent will (try to) run first. - */ -unsigned int sysctl_sched_child_runs_first __read_mostly; - const_debug unsigned int sysctl_sched_migration_cost = 500000UL; int sched_thermal_decay_shift; @@ -145,13 +139,6 @@ static unsigned int sysctl_numa_balancing_promote_rate_limit = 65536; #ifdef CONFIG_SYSCTL static struct ctl_table sched_fair_sysctls[] = { - { - .procname = "sched_child_runs_first", - .data = &sysctl_sched_child_runs_first, - .maxlen = sizeof(unsigned int), - .mode = 0644, - .proc_handler = proc_dointvec, - }, #ifdef CONFIG_CFS_BANDWIDTH { .procname = "sched_cfs_bandwidth_slice_us", diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 7e070dcf70747..9260120ed2a5c 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -100,8 +100,6 @@ extern __read_mostly int scheduler_running; extern unsigned long calc_load_update; extern atomic_long_t calc_load_tasks; -extern unsigned int sysctl_sched_child_runs_first; - extern void calc_global_load_tick(struct rq *this_rq); extern long calc_load_fold_active(struct rq *this_rq, long adjust); From patchwork Wed Sep 20 13:00:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Andrzej Siewior X-Patchwork-Id: 142612 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:172:b0:3f2:4152:657d with SMTP id h50csp4435975vqi; Wed, 20 Sep 2023 14:26:47 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEkTqmsQJhC3tdq2JMTZbxZx7KeKojs1YiE9tRzUKP3RTy3Muj5u0TmnJOmZk6Y9c+Trvri X-Received: by 2002:a05:6a00:b85:b0:68f:ce6a:8685 with SMTP id g5-20020a056a000b8500b0068fce6a8685mr5867328pfj.14.1695245207154; Wed, 20 Sep 2023 14:26:47 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1695245207; cv=none; d=google.com; s=arc-20160816; b=fI9onBxKOY8QF0q4O427UPzGBgSi9Mbq064SRJRipr3QiPHHL4taMyiRShaB5kOPQe 6HDTinzeHLSv08dwF1P7ZCd1mcJsiNRRSdfU1hFoA4RNYPoKSMZFiA084NDDPQCgO/R5 a14Dhf1ZUdziuYBo5I+OEbPTfiaiRdb8dg3jibWUWvvXHsgv8Dr7kLG6VFWI1DNnDcqG k93kHbjYEiTMF1cydKr6Ne6Cp0c52WPrg7EmmYfwZyK84gAFxl9TkcdZLOxmdnPStKnr dJEYqFgysw5enFia1Llm7dZyHUW+FXjivkc9qHBLJMDctzAxKo3P+UNfdmIjWbJTB3xM n2pg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:dkim-signature :dkim-signature:from; bh=FEN0BhuqjZqhEDf+FOtw52T7DMuMqlRIDkkJzR2wzcQ=; fh=nkdA5JKePbZMLO9lRAbsQz3L/4g8EqbdZ6mD/uxHhcY=; b=dVyaOklk6rRdr4NsOyLXAk8l9U8Cr9LCEou3z/mhNCZyKzzWysaLk0QeU0OScOeGxb TqaUpLd5Os6qp0EtLMj1ibYWzWN6D04BNFNdgkYHRQVE45QAPtl1MonkQJMQgGa0i1Ma QDOHLx73SRiSQ6S0Cqoo3cc4mBwFHMvWX3dsBYybEJrCx+XqeNvxVr0myjvPOAEc6G/N Gz02j5zbo9HUDlSgm2W971+56MEd/9P9KROMBZLGdsex8aXKqZ+uGm1teHnaoBXA0l3j voGib0UE+mqVEqIvZvIT7/wvWMdwHGI1YmVdd9etiOjHNtTIHUCVnoPHYjVvC2rdFds7 5j0w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b="n5ASAvV/"; dkim=neutral (no key) header.i=@linutronix.de; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.31 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: from morse.vger.email (morse.vger.email. [23.128.96.31]) by mx.google.com with ESMTPS id q186-20020a632ac3000000b00578dfa28bedsi2512032pgq.238.2023.09.20.14.26.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Sep 2023 14:26:47 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.31 as permitted sender) client-ip=23.128.96.31; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b="n5ASAvV/"; dkim=neutral (no key) header.i=@linutronix.de; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.31 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by morse.vger.email (Postfix) with ESMTP id 9BF318313D3B; Wed, 20 Sep 2023 06:00:56 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at morse.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236381AbjITNAq (ORCPT + 26 others); Wed, 20 Sep 2023 09:00:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60798 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236373AbjITNAj (ORCPT ); Wed, 20 Sep 2023 09:00:39 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C6CD0E0 for ; Wed, 20 Sep 2023 06:00:32 -0700 (PDT) From: Sebastian Andrzej Siewior DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1695214831; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FEN0BhuqjZqhEDf+FOtw52T7DMuMqlRIDkkJzR2wzcQ=; b=n5ASAvV/u55HBDf2oofn7SJSVt4NACRQ4ZGG9ObNqKhrQsvvso9Cta9Yb4/3EZ1GbWavz2 6fHvXhuUC3B92VucaGvCWkF0UZit4KUiMArfhU3lrxr1PthD/eH6J5LGbaV+OtfKwe0yMn j6duGS5RxyCPh3GTQYZIW99eP9mKCzbFrbf0lHQW+dSv8SAP5UDd91xD2bvtagfV6XDyv2 Fflx6DeTEinBlH6NqbBeqD3tTUtSAMhKaWJGOh/Jx1cQRcOyD4ix7SXnBWpAuMTxoNzJHZ n/Vzf04DMqw08kku/Q9v98CmL7SGwuwIBHA4br/s4K5n4izYxOvAvpnVdFT3Jw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1695214831; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FEN0BhuqjZqhEDf+FOtw52T7DMuMqlRIDkkJzR2wzcQ=; b=FLgH9lPFr2dsDOWsJLkE/eFh4FJGkZiwe2jzdi5JHFbTZoIOph0a9lef3GgOfDzSEeB9Je XERyljSm9dMsZeAg== To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Thomas Gleixner , Sebastian Andrzej Siewior Subject: [PATCH 2/2] sched: Update reference to sched_debug.c Date: Wed, 20 Sep 2023 15:00:25 +0200 Message-Id: <20230920130025.412071-3-bigeasy@linutronix.de> In-Reply-To: <20230920130025.412071-1-bigeasy@linutronix.de> References: <20230920130025.412071-1-bigeasy@linutronix.de> MIME-Version: 1.0 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Wed, 20 Sep 2023 06:00:56 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1777593438678358774 X-GMAIL-MSGID: 1777593438678358774 Since commit 8a99b6833c884 ("sched: Move SCHED_DEBUG sysctl to debugfs") The sched_debug interface moved from /proc to debugfs. The comment mentions still the outdated proc interfaces. Update the comment, point to the current location of the interface. Signed-off-by: Sebastian Andrzej Siewior --- kernel/sched/debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 132dfd1e6f475..5e34a8cb2c761 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -8,7 +8,7 @@ */ /* - * This allows printing both to /proc/sched_debug and + * This allows printing both to /sys/kernel/debug/sched/debug and * to the console */ #define SEQ_printf(m, x...) \