From owner-freebsd-acpi@FreeBSD.ORG Sun Apr 18 09:21:40 2010 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3B071106566C for ; Sun, 18 Apr 2010 09:21:40 +0000 (UTC) (envelope-from andrnils@gmail.com) Received: from mail-bw0-f214.google.com (mail-bw0-f214.google.com [209.85.218.214]) by mx1.freebsd.org (Postfix) with ESMTP id C1BEE8FC08 for ; Sun, 18 Apr 2010 09:21:39 +0000 (UTC) Received: by bwz6 with SMTP id 6so3283024bwz.13 for ; Sun, 18 Apr 2010 02:21:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:received:message-id :subject:from:to:content-type; bh=iOkyRoZefDDXDktr0e2Kbo3lvra63Jz2lH3L8MFb2XY=; b=FJHpsS0DIiz+5e1DaXqHeClGIjc8czvyttVyrNVIsqD0SAbFVzCSj+LT/6ChhMjyMr m4NTRcCUnp0wo3tB8CManwzah1DmgJEvNmMcZA+HXY76C19rmov9FAfwvj1PNMSC/hhi WCMl6q363fqW16oRsw5B7TDQcyjyK0Kqku/IU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=chiKNu0NBfvOVWGAxdw01pg3fpCIBoYz6EzQHIKJTF79mcfQW3ZnkoT/lVV95XDlNi G1kyfeCm5v3ZvwmHq2wCtOxIEiMVNaHOPbBixdA9Uy3y71XjwNyRcJxNcHW9QdCteKRg qeKRUgPETu36yBZbulTaAIpKQWKBnssm2evCI= MIME-Version: 1.0 Received: by 10.204.60.211 with HTTP; Sun, 18 Apr 2010 01:52:33 -0700 (PDT) Date: Sun, 18 Apr 2010 08:52:33 +0000 Received: by 10.204.33.131 with SMTP id h3mr3416996bkd.53.1271580753252; Sun, 18 Apr 2010 01:52:33 -0700 (PDT) Message-ID: From: Andreas Nilsson To: freebsd-acpi@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: C-states on core-i7m X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 Apr 2010 09:21:40 -0000 Hello, my new laptop has a core-i7 620m and I expected it to have support for C3-state. sysctl dev.cpu.0 dev.cpu.0.%desc: ACPI CPU dev.cpu.0.%driver: cpu dev.cpu.0.%location: handle=\_PR_.CPU0 dev.cpu.0.%pnpinfo: _HID=none _UID=0 dev.cpu.0.%parent: acpi0 dev.cpu.0.freq: 149 dev.cpu.0.freq_levels: 2667/25000 2533/23710 2399/22465 2266/21243 2133/20027 1999/18852 1866/17700 1733/16571 1599/15478 1466/14395 1333/13334 1199/12297 1049/10759 899/9222 749/7685 599/6148 449/4611 299/3074 149/1537 dev.cpu.0.cx_supported: C1/3 C2/245 dev.cpu.0.cx_lowest: C2 dev.cpu.0.cx_usage: 100.00% 0.00% last 500us I've never seen it acutally use even C2. Are lower C-states not supported yet for the core i7 cpus? Regards andrnils