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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,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 7FFA7ECE59E for ; Wed, 16 Oct 2019 02:57:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4D7E920663 for ; Wed, 16 Oct 2019 02:57:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571194672; bh=Wpce9udaw5lqxb8qndTEni/7j4Wvb9sSHAxCu/D1goI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=fV0G8UNKdeY5LRI4wOfjQrnIsiwyKLKUfGmGEuWqE13m8HLVw3FidagnQCAsoFBxM i4Q6Q4LB6RQTWA5riRRx3k2RlFOZsmljWk2lBIwyLx1V6tYTZYupPc4ArYRvG+kLf+ g/BRJyIAgxp2Q2zkZIcBBzRCPF9G9Ks45IOS9p38= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390823AbfJPC5u (ORCPT ); Tue, 15 Oct 2019 22:57:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:53538 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390806AbfJPC5s (ORCPT ); Tue, 15 Oct 2019 22:57:48 -0400 Received: from lenoir.home (lfbn-ncy-1-150-155.w83-194.abo.wanadoo.fr [83.194.232.155]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2B429217D6; Wed, 16 Oct 2019 02:57:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571194667; bh=Wpce9udaw5lqxb8qndTEni/7j4Wvb9sSHAxCu/D1goI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Pb26N5+KY7ykJCza9xsXU/tVLP0iceei6SxEUxG+wf0FphmiiVPzY2F07/4+LDCeP SCySMffDZZPzBrbmZLOAv/Uinv+vSeFa2q8g7l4eJaKqLfBhyzwMpQfAITXPiYVuG4 1M045mlqy4dGdPr9cwHvXMBHB+zqz2484D57sUwk= From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , Jacek Anaszewski , Peter Zijlstra , Wanpeng Li , "Rafael J . Wysocki" , Rik van Riel , Thomas Gleixner , Yauheni Kaliuta , Ingo Molnar , Viresh Kumar , Pavel Machek Subject: [PATCH 14/14] leds: Use vtime aware kcpustat accessor to fetch CPUTIME_SYSTEM Date: Wed, 16 Oct 2019 04:57:00 +0200 Message-Id: <20191016025700.31277-15-frederic@kernel.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191016025700.31277-1-frederic@kernel.org> References: <20191016025700.31277-1-frederic@kernel.org> 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 Now that we have a vtime safe kcpustat accessor for CPUTIME_SYSTEM, use it to start fixing frozen kcpustat values on nohz_full CPUs. Reported-by: Yauheni Kaliuta Signed-off-by: Frederic Weisbecker Cc: Jacek Anaszewski Cc: Pavel Machek Cc: Yauheni Kaliuta Cc: Thomas Gleixner Cc: Rik van Riel Cc: Peter Zijlstra Cc: Wanpeng Li Cc: Ingo Molnar --- drivers/leds/trigger/ledtrig-activity.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/leds/trigger/ledtrig-activity.c b/drivers/leds/trigger/ledtrig-activity.c index 6a72b7e13719..ddfc5edd07c8 100644 --- a/drivers/leds/trigger/ledtrig-activity.c +++ b/drivers/leds/trigger/ledtrig-activity.c @@ -59,7 +59,7 @@ static void led_activity_function(struct timer_list *t) for_each_possible_cpu(i) { curr_used += kcpustat_cpu(i).cpustat[CPUTIME_USER] + kcpustat_cpu(i).cpustat[CPUTIME_NICE] - + kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM] + + kcpustat_field(&kcpustat_cpu(i), CPUTIME_SYSTEM, i) + kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ] + kcpustat_cpu(i).cpustat[CPUTIME_IRQ]; cpus++; -- 2.23.0