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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 37107C433E0 for ; Tue, 7 Jul 2020 19:44:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1371B206BE for ; Tue, 7 Jul 2020 19:44:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UiuvA1wo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728369AbgGGToT (ORCPT ); Tue, 7 Jul 2020 15:44:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45092 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726763AbgGGToS (ORCPT ); Tue, 7 Jul 2020 15:44:18 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 898ADC061755 for ; Tue, 7 Jul 2020 12:44:18 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id o11so46542967wrv.9 for ; Tue, 07 Jul 2020 12:44:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:content-transfer-encoding:mime-version:subject:date:references :to:in-reply-to:message-id; bh=zScjXTrxSTJ3dohGAFUR+84/DZ3AN/4LGI9OKdBT7IA=; b=UiuvA1wo7VBl7Y2EYR02JzHJ1S0OHtKPhzInhJfUWd8475paiqkI3mtp2mkXqVdk8b wAQxctRQ38kgKy+8+BY8Ckm0eJxJLSqX54LoynAIP/sS0rKII7bKTgqirfw7IoXb4e65 wKZb+vw2txRAFxYhTWGV+6qnJPnPsKOPXmXWeLXRaxTEkWKiS0rriqPu3tX39PhGA1/u BDvsSAzoCBzQ+kBwq7Qg1taWoz84A2qaHr8LlHU8k3PJDB7y5R4Gwkdl3Zfeudts9Ia4 XsJRJfmcukfu94iopQ7tJ3BpMS0/f3A96Ca96XRRwsfWgTkuvNJ81+FsahZPTuKhbfVj vmkw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:content-transfer-encoding:mime-version :subject:date:references:to:in-reply-to:message-id; bh=zScjXTrxSTJ3dohGAFUR+84/DZ3AN/4LGI9OKdBT7IA=; b=IrUE4RfV9Cff2zx/675Lqd1hGOscD8p3pPXXTzzUAHSMpcYQfyWb/6WgcxUMIiSiHi OOl0Lxz0SW3erKAAKVM11LaMT/5mJkeWl3A1n/XBs+6MuyABsF/AKt7AkZek9xScY0Gx 20F+WJOuFAsdUdOCj2/pFCIE+8xZ2BpX70kDUR/goV5TJuKrbFeUZ1qmbPIE+WVx8zaJ gX1Yt3rtDCzF5flkQhX4NUg6/tmZR8xVPDYUrTMrYAEcf5jgtjwtbyFE4iwMWA0LkZ7T hB1OwxI7cxO2OpxTk+7YaAHWR52D4KPaZyz/AbPyjsabNUPd33byW56tdyl5NaTlFQkj LxeQ== X-Gm-Message-State: AOAM532c2TokzD8yadB0a04OWdvvllkSxwZ1X2TRrxC8MPhzz8oRzOPf vG4vFMI968FGeYMKATGjfbb4UKDU X-Google-Smtp-Source: ABdhPJx5PhcJlBWNpd4YrwbBRj55X+CecjNHYsBlcS/9uVTdTqM/OX++peUcncmMT1Qz2cjVu0TX7g== X-Received: by 2002:a05:6000:ca:: with SMTP id q10mr56920888wrx.135.1594151057023; Tue, 07 Jul 2020 12:44:17 -0700 (PDT) Received: from [10.11.11.4] ([178.254.237.20]) by smtp.gmail.com with ESMTPSA id m16sm2486845wro.0.2020.07.07.12.44.16 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 07 Jul 2020 12:44:16 -0700 (PDT) From: Martin Zaharinov Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Subject: Re: Bug Report High CPU Usage events_power_efficient Date: Tue, 7 Jul 2020 22:44:15 +0300 References: To: "linux-kernel@vger kernel. org" In-Reply-To: Message-Id: <91805D0F-2D74-4EA3-A2D7-13E4FBBEAB51@gmail.com> X-Mailer: Apple Mail (2.3608.80.23.2.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org the problem is hear with kernel 5.7.7=20 last work kernel without this problem is 5.6.7 hear is more info: cat /proc/57259/stack root@megacableamarilis:~# cat /proc/57259/stack [<0>] gc_worker+0x1be/0x380 [nf_conntrack] [<0>] process_one_work+0x1bc/0x3b0 [<0>] worker_thread+0x4d/0x460 [<0>] kthread+0x10d/0x130 [<0>] ret_from_fork+0x1f/0x30 PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ = COMMAND 57259 root 28 0 0 0 = 0 R 69.8 0.0 82:42.14 kworker/5:2+events_power_efficient = =20 32 root 21 0 0 0 0 R 31.0 0.0 87:06.33 = ksoftirqd/4 Please help to fix this problem > On 22 Apr 2020, at 15:55, Martin Zaharinov wrote: >=20 > Hello Qian and Greg=20 > With latest 5.6.x kernel have problem with events_power_efficient = 28488 root 28 0 0 0 0 R 95.5 0.0 101:38.19 = kworker/2:1+events_power_efficient Process start to load machine after = 3-4 hour and load not stop only reboot machine remove process . Server = runing on AMD EPIC CPU 2x 7301 32Gb Ram Have 2 x 10G card Intel when = machine load over 1G traffic machine locked and only restart fix problem = to next load . After move traffic and server stop load process still = hear and load server ? > And after reboot process move to other core . >=20 > Best Regards, > Martin