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=-0.6 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 4F337C55189 for ; Wed, 22 Apr 2020 12:55:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 244D82087E for ; Wed, 22 Apr 2020 12:55:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="G0a3ct1L" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726476AbgDVMz4 (ORCPT ); Wed, 22 Apr 2020 08:55:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59378 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725895AbgDVMzz (ORCPT ); Wed, 22 Apr 2020 08:55:55 -0400 Received: from mail-lj1-x230.google.com (mail-lj1-x230.google.com [IPv6:2a00:1450:4864:20::230]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32459C03C1A8 for ; Wed, 22 Apr 2020 05:55:55 -0700 (PDT) Received: by mail-lj1-x230.google.com with SMTP id j3so2134526ljg.8 for ; Wed, 22 Apr 2020 05:55:55 -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:message-id:date :to; bh=bBQf8SISgLuPMTcD8HTQlSGzFX9/De6Tiouw/4dnZPQ=; b=G0a3ct1L25MVhipFG16VTNDTUK1bTIA/S8CjR6Mi0L5f2i2Yq3ZZ42vofDhg/dtOEQ zuf5PXlZDL3XPoMR1FQ+AENCMOeBlxyWtxLSTXChzMovfLK2fYkDLcDyXTh6jvNQ0Ufn BTVEyyOe8uZv6uJo5pbFBGOGKm7fJnYvZ3d12QNtbhMWJXK8+mTKL/BeCNYstiY3hP6h y+5vsIyX2xvP4uzZSoQbDrjyFd8IsJzU/baOHdE1VO0ztsDS/ZZfp6ZzN0L5cX56LrpI Sb1ixS053mfBgfD0oM3+upIGloN4bbDDVaMm2tuL6fOcamRp2IJ8c6ShGCDhiMmaC12W N0rA== 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:message-id:date:to; bh=bBQf8SISgLuPMTcD8HTQlSGzFX9/De6Tiouw/4dnZPQ=; b=Kpz5HE7sTZ+KoQYuIO6KMPEpBH/3tloOSJmSoaTsbbJ0RIJsMz4f07HZSMWKWqx13T b1OI/fLSpnaE5ozttCkzVgrchwaGBoQfVOX+ToKcJRvsuANDUEgBZic2j8ZtG+ZQps0c cYA+zGnnTxFQnBz7EpqbZ0vYc41igDtR+I1pKfHbmPma+tW1l7Q8FneeypWkpJCi0WyL 1BwfyL0O22k80BspqQSIbilVFvDh8CfDBZZe5F7inEHtGb/cPaMn3xRz4nbmwgNlXBAE CbEN+a/tWr9e5raxpIR7Nc5YvEG8qxM/qBWo9tXSkFxiB5m4huSd4APa+LdAGNeCnQd4 Qpqg== X-Gm-Message-State: AGi0PuYyVLoEEOFL75Imbpp0faN+0uGZkYv7mBMDsqSXs+LX9SYv8HEX z6vasDnx/R8U6pynEnZl72Ue5QCsO3I= X-Google-Smtp-Source: APiQypL/GYEwouGFmbbsubst5LxsQnAFum7WkVI2zc9hP31+izrTAalj/FVkXld3acHlkGoOn4Ij1Q== X-Received: by 2002:a2e:9256:: with SMTP id v22mr15869197ljg.286.1587560153430; Wed, 22 Apr 2020 05:55:53 -0700 (PDT) Received: from [10.11.11.4] ([178.254.237.20]) by smtp.gmail.com with ESMTPSA id v7sm4565435lfq.55.2020.04.22.05.55.52 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 Apr 2020 05:55:52 -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: Bug Report High CPU Usage events_power_efficient Message-Id: Date: Wed, 22 Apr 2020 15:55:51 +0300 To: "linux-kernel@vger kernel. org" 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 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 . Best Regards, Martin=