From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 93ED61382C5 for ; Tue, 9 Jun 2020 09:17:45 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 57226E08C0; Tue, 9 Jun 2020 09:17:37 +0000 (UTC) Received: from mout02.posteo.de (mout02.posteo.de [185.67.36.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 009C2E089E for ; Tue, 9 Jun 2020 09:17:36 +0000 (UTC) Received: from submission (posteo.de [89.146.220.130]) by mout02.posteo.de (Postfix) with ESMTPS id B893E2400FF for ; Tue, 9 Jun 2020 11:17:31 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.de; s=2017; t=1591694252; bh=ZY8gGv5DdcC8S+EqC6ClGmnIrpIwq1a1Opebfh0Dyt0=; h=Date:From:To:Subject:From; b=XWozws7fCg0DQYrx/HMvDYwqWf/QqMOjh2/5Nwv03Hq4Vj6L3nmi2ucI8YPIRzZj/ 7D7FPHHajAmX+sFr+KVqjYKbcw3OH/sStrP42d81tczSXyIBukzwaM3BD+qgJ7TX7T HPWT4YMTttH5uvJ7QNH4m7QPaAqziR92OVKxGFWK6WWnCu78Dsa2vzDGziH6kAlG91 Wh/5wstnyF7GnPJE3PtlyNwOG+NQP5uQhiKIdWR/f1upsjkkx/27vBV3KhYHIFm70+ z+q5iMNVGcKGqvkiiCNFZOJPhFsXBq9clRXLacD49yutz67Th5J+Kxw6PiETjBjUjN MVUaywe/0QH4Q== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 49h4Jq31L2z6tmT for ; Tue, 9 Jun 2020 11:17:28 +0200 (CEST) Date: Tue, 9 Jun 2020 11:17:28 +0200 From: tuxic@posteo.de To: Gentoo Subject: [gentoo-user] 100% CPU load is different to 100% CPU load? Message-ID: <20200609091728.lgiekzccyqw4pgln@solfire> Mail-Followup-To: Gentoo Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit X-Archives-Salt: f9abe735-85bb-4667-93c3-7bf209247363 X-Archives-Hash: 1311b0d285a74386d26799d7b1f467da Hi, yesterday I md5summed my hole system with find.....| xargs....md5sum.... With options I set xargs to use all 12 thread and use as much args per call as possible in one line. After a while I checked the CPU with glance and it shows, that all 12 cores/threads were "loaded" with 100% each constantly over a period of about 1h. The CPU temperature rises to about 47°C. The CPU does not contain a GPU. Graphics goes extra. Today I created again a CPU load over a comparable duration with a constant 100% CPU load on each core/thread. Interesting it does not take more than 3 minutes to reach 65°C CPU temperature. Both temperatures reflect the die temperature. What is the difference between 100% CPU load and 100% CPU load to create such an difference in temperature? How is X% load calculated? Cheers! Meino