From owner-freebsd-acpi@FreeBSD.ORG Thu Nov 18 00:36:11 2004 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0EC6816A4CE for ; Thu, 18 Nov 2004 00:36:11 +0000 (GMT) Received: from onyx.hysteria.sk (onyx.hysteria.sk [195.168.3.83]) by mx1.FreeBSD.org (Postfix) with ESMTP id 43AD343D31 for ; Thu, 18 Nov 2004 00:36:10 +0000 (GMT) (envelope-from rejden@hysteria.sk) Received: (qmail 10569 invoked by uid 1607); 18 Nov 2004 00:36:01 -0000 Date: Thu, 18 Nov 2004 01:36:01 +0100 From: rejden To: freebsd-acpi@freebsd.org Message-ID: <20041118003601.GA8873@hysteria.sk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2i Subject: acpi cpu throttling X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Nov 2004 00:36:11 -0000 Hi, is there any way how to change CPU frequency with ACPI ? i saw something similar under linux, googling whole night and nothin... i'm running generic 5.3release kernel jan ----- daemon# sysctl -a |grep cpu kern.threads.virtual_cpu: 1 kern.ccpu: 1948 kern.smp.maxcpus: 1 kern.smp.cpus: 1 hw.ncpu: 1 hw.acpi.cpu.throttle_max: 8 hw.acpi.cpu.throttle_state: 8 hw.acpi.cpu.cx_supported: C1/1 C2/2 C3/185 hw.acpi.cpu.cx_lowest: C3 hw.acpi.cpu.cx_usage: 0.08% 99.91% 0.00% machdep.cpu_idle_hlt: 1 dev.cpu.0.%desc: ACPI CPU (3 Cx states) 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 daemon# dmesg -a |grep cpu cpu0: on acpi0 acpi_cpu: throttling enabled, 8 steps (100% to 12.5%), currently 100.0% hw.acpi.cpu.cx_lowest: hw.acpi.cpu.throttle_state: