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 523BAECAAD3 for ; Fri, 9 Sep 2022 23:07:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231593AbiIIXG6 (ORCPT ); Fri, 9 Sep 2022 19:06:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48284 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231347AbiIIXGg (ORCPT ); Fri, 9 Sep 2022 19:06:36 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9CBEC112B2F for ; Fri, 9 Sep 2022 16:06:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1662764795; x=1694300795; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=Yx6ioVlcL/Y+UNwfcJdgPbEuCHvV72QG5oxblnfz+xQ=; b=LDk/u6gq1/b4aef48btj/v/IHWw+t7VEDrNtQnp/liPKI1lGDxg9pTPi LYw8+Om7HSbAt3TrwpSX19bDxfixVoI8HVBBjmMaoyie2X00q3RP2loMk o+T/2gAi1sg946lgF2njwBUfxEfjIDFTwe+2EoVfBE8dFqYwk6g1Ob9ER 6XUIWPwpKYTEjb/7E/yOCXVG6wHsoM13idvrwbpFOP8Ynt9jGXD1IEYe+ ZadEjdBH0r8ZjR97uZBZBuurUGZCKID/8pf8uPaowq7/z89vQa+7NLsYY 7nk4Z1ONMGODpPAEWqsGNxypU7R9IUmuagpCBVM6ED0FphQOyNXJCvRrv Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10465"; a="323803591" X-IronPort-AV: E=Sophos;i="5.93,304,1654585200"; d="scan'208";a="323803591" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Sep 2022 16:06:32 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,304,1654585200"; d="scan'208";a="677354978" Received: from ranerica-svr.sc.intel.com ([172.25.110.23]) by fmsmga008.fm.intel.com with ESMTP; 09 Sep 2022 16:06:32 -0700 From: Ricardo Neri To: "Peter Zijlstra (Intel)" , Juri Lelli , Vincent Guittot Cc: Ricardo Neri , "Ravi V. Shankar" , Ben Segall , Daniel Bristot de Oliveira , Dietmar Eggemann , Len Brown , Mel Gorman , "Rafael J. Wysocki" , Srinivas Pandruvada , Steven Rostedt , Tim Chen , Valentin Schneider , x86@kernel.org, linux-kernel@vger.kernel.org, Ricardo Neri , "Tim C . Chen" Subject: [RFC PATCH 04/23] sched/core: Add user_tick as argument to scheduler_tick() Date: Fri, 9 Sep 2022 16:11:46 -0700 Message-Id: <20220909231205.14009-5-ricardo.neri-calderon@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220909231205.14009-1-ricardo.neri-calderon@linux.intel.com> References: <20220909231205.14009-1-ricardo.neri-calderon@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Differentiate between user and kernel ticks so that the scheduler updates the class of the current task during the latter. Cc: Ben Segall Cc: Daniel Bristot de Oliveira Cc: Dietmar Eggemann Cc: Len Brown Cc: Mel Gorman Cc: Rafael J. Wysocki Cc: Srinivas Pandruvada Cc: Steven Rostedt Cc: Tim C. Chen Cc: Valentin Schneider Cc: x86@kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Ricardo Neri --- include/linux/sched.h | 2 +- kernel/sched/core.c | 2 +- kernel/time/timer.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/include/linux/sched.h b/include/linux/sched.h index acc33dbaa47c..73f9e745d17d 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -283,7 +283,7 @@ enum { TASK_COMM_LEN = 16, }; -extern void scheduler_tick(void); +extern void scheduler_tick(bool user_tick); #define MAX_SCHEDULE_TIMEOUT LONG_MAX diff --git a/kernel/sched/core.c b/kernel/sched/core.c index db548c1a25ef..76015dbc45c5 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5436,7 +5436,7 @@ static inline u64 cpu_resched_latency(struct rq *rq) { return 0; } * This function gets called by the timer code, with HZ frequency. * We call it with interrupts disabled. */ -void scheduler_tick(void) +void scheduler_tick(bool user_tick) { int cpu = smp_processor_id(); struct rq *rq = cpu_rq(cpu); diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 717fcb9fb14a..b444b6f5f585 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -1841,7 +1841,7 @@ void update_process_times(int user_tick) if (in_irq()) irq_work_tick(); #endif - scheduler_tick(); + scheduler_tick(user_tick); if (IS_ENABLED(CONFIG_POSIX_TIMERS)) run_posix_cpu_timers(); } -- 2.25.1