Ubuntu 13.04 CPU频率缩放以最低频率“卡住”
我刚刚在MacBook Air上安装了Ubuntu 13.04,在玩了一会儿之后,机器感觉真的很慢,所以我检查了CPU频率。cpufreq-info,它在所有4个内核上报告800MHz(这是最低设置)。调速器设置为按需。现在,当我在系统上施加一些负载(运行一个四次散列杂物的小脚本)时,机器会停滞不前,但cpufreq-info仍报告800MHz。我可以手动将频率设置为2GHz,这可以解决性能问题,但是会消耗我的电池电量。 这是cpufreq-info的输出: cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to cpufreq@vger.kernel.org, please. analyzing CPU 0: driver: acpi-cpufreq CPUs which run at the same hardware frequency: 0 1 2 3 CPUs which need to have their frequency coordinated by software: 0 maximum transition latency: 10.0 …