Date: Thu, 18 Nov 2004 01:36:01 +0100 From: rejden <rejden@hysteria.sk> To: freebsd-acpi@freebsd.org Subject: acpi cpu throttling Message-ID: <20041118003601.GA8873@hysteria.sk>
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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: <ACPI CPU (3 Cx states)> 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:
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