From owner-freebsd-current@FreeBSD.ORG Mon Dec 10 21:25:32 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1CEE616A418 for ; Mon, 10 Dec 2007 21:25:32 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from phk.freebsd.dk (phk.freebsd.dk [130.225.244.222]) by mx1.freebsd.org (Postfix) with ESMTP id C959113C461 for ; Mon, 10 Dec 2007 21:25:31 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (unknown [192.168.61.3]) by phk.freebsd.dk (Postfix) with ESMTP id 1C40817104; Mon, 10 Dec 2007 20:56:34 +0000 (UTC) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.14.2/8.14.2) with ESMTP id lBAKuXH0028656; Mon, 10 Dec 2007 20:56:33 GMT (envelope-from phk@critter.freebsd.dk) To: Martin Cracauer From: "Poul-Henning Kamp" In-Reply-To: Your message of "Mon, 10 Dec 2007 15:11:06 EST." <20071210201106.GB90158@cons.org> Date: Mon, 10 Dec 2007 20:56:33 +0000 Message-ID: <28655.1197320193@critter.freebsd.dk> Sender: phk@critter.freebsd.dk Cc: Thomas Sparrevohn , freebsd-current@freebsd.org Subject: Re: CURRENT Kernel makes the system run very very hot X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Dec 2007 21:25:32 -0000 In message <20071210201106.GB90158@cons.org>, Martin Cracauer writes: I installed this on my laptop yesterday: FreeBSD critter.freebsd.dk 8.0-CURRENT FreeBSD 8.0-CURRENT #0: Sun Dec 9 10:41:25 UTC 2007 root@critter.freebsd.dk:/usr/obj/freebsd/src/sys/C5 i386 And it does indeed look like the idle threads do not HLT the cpu. Interestingly, powerd(8) does the right thing and throttles down the cpu clock even though the idle threads churn away. top -HS shows: PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND 10 root 171 ki31 0K 16K CPU1 1 25.2H 100.00% {idle: cpu1} 10 root 171 ki31 0K 16K RUN 0 25.2H 95.36% {idle: cpu0} 928 phk 45 0 319M 68624K *Giant 0 42:46 0.98% Xorg 28654 phk 44 0 3540K 1552K CPU1 0 0:01 0.98% top 982 phk 44 0 6500K 3940K select 1 11:03 0.29% xterm 11 root -24 - 0K 112K WAIT 1 19:49 0.00% {swi6: task queu -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.