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 2E8C5C433FE for ; Thu, 12 May 2022 16:36:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356566AbiELQgv (ORCPT ); Thu, 12 May 2022 12:36:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46986 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356555AbiELQgF (ORCPT ); Thu, 12 May 2022 12:36:05 -0400 Received: from mail-wr1-x436.google.com (mail-wr1-x436.google.com [IPv6:2a00:1450:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3061721262 for ; Thu, 12 May 2022 09:36:05 -0700 (PDT) Received: by mail-wr1-x436.google.com with SMTP id k2so8052195wrd.5 for ; Thu, 12 May 2022 09:36:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=+Gnska8b1Wfv23bF2U4XjBCNfnatEKh8FDyGDQymKDM=; b=rBXVL282FjWOaowoTpqpxtn0yMAEBpVZOdZzFXl7jgIiUf6QvjMbp0pKUVpJY47Hll iIpZjkl8geXm0/Jd7ZYYX6CbFdrWLpTXyHz5DfrW7RVsJPQusYYCTak4tVnqNEqtp/UJ pWWhAIoIdZaTkGkZhaOaVQ1doAInOLYYLojvJblUS9BfCOrPIw6yTockvjzynFWlnc2G TseRW4H66K6Wl7gjyUeFdKtuZxab/6Rm1s5bnvGb4jaruFOe8Gj7s+0iAGOrLCXD3mU7 haU1wD9h3bwxEsLD3qzk3rXCbMDothfLKyPJDTaJyX0pffTEOzZ2obKmy9vXPTgRgd/x 2N4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=+Gnska8b1Wfv23bF2U4XjBCNfnatEKh8FDyGDQymKDM=; b=75pIGE8MPNTfs3vVLoUtFMBB1HampuJqgisTONN1FkkmD/y4nw1fvxHsm+pBlau33x Uu540DQi7gWsVoI8RHj5aLLCyOZ3QmURstgxYuSOgS+Xt2LYy49tYlrZXj2CP18163W9 palkVkEB6/XE6UeitYIRK/dp3hAZg0WeIFpgSN9DphgABN3u+27l2O25huwhrrWtQcuK s0HnIONRWS3i1K5JgJ3G5eS1soh7uGJV5D2/3TgJ61pgAJU1dyMAqLn8Vu0s9E+dUXJj ewVqs+IlaSgKheQNc7uaM5RdsPICa1kUFT74z78NcNwJICI3FWXXLFp7Vmux4nIaRDhf ux5Q== X-Gm-Message-State: AOAM531C8GylYxmZoswzLimjOuZ8HhM08lKU+nHRRzTITCwfgNNQ7+ke 98p8UguBijmuTVlr6xNmauJlTA== X-Google-Smtp-Source: ABdhPJxifD4YkQWr7J8e5gYnRXg2lLdmMTy9didZGBgQDF76kFhGlCM3vRyxBJxjvOMqDvxDo/Ekgg== X-Received: by 2002:a5d:44cf:0:b0:20a:c5d2:b6c3 with SMTP id z15-20020a5d44cf000000b0020ac5d2b6c3mr430657wrr.177.1652373363677; Thu, 12 May 2022 09:36:03 -0700 (PDT) Received: from localhost.localdomain ([2a01:e0a:f:6020:253e:ae0a:544b:2cb1]) by smtp.gmail.com with ESMTPSA id j25-20020adfa799000000b0020c5253d8dbsm21814wrc.39.2022.05.12.09.36.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 May 2022 09:36:02 -0700 (PDT) From: Vincent Guittot To: mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, vschneid@redhat.com, linux-kernel@vger.kernel.org, parth@linux.ibm.com Cc: qais.yousef@arm.com, chris.hyser@oracle.com, valentin.schneider@arm.com, patrick.bellasi@matbug.net, David.Laight@aculab.com, pjt@google.com, pavel@ucw.cz, tj@kernel.org, qperret@google.com, tim.c.chen@linux.intel.com, joshdon@google.com, Vincent Guittot Subject: [PATCH v2 7/7] sched/core: support latency nice with sched core Date: Thu, 12 May 2022 18:35:34 +0200 Message-Id: <20220512163534.2572-8-vincent.guittot@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220512163534.2572-1-vincent.guittot@linaro.org> References: <20220512163534.2572-1-vincent.guittot@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Take into account wakeup_latency_gran() when ordering the cfs threads. Signed-off-by: Vincent Guittot --- kernel/sched/fair.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 71c0762491c5..063e9a3c7e51 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -11193,6 +11193,10 @@ bool cfs_prio_less(struct task_struct *a, struct task_struct *b, bool in_fi) delta = (s64)(sea->vruntime - seb->vruntime) + (s64)(cfs_rqb->min_vruntime_fi - cfs_rqa->min_vruntime_fi); + /* Take into account latency prio */ + delta += wakeup_latency_gran(sea, seb); + + return delta > 0; } #else -- 2.17.1