cpufreq-info выдает
ilya@x250:~$ cpufreq-info
cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009
Report errors and bugs to cpufreq@vger.kernel.org, please.
analyzing CPU 0:
driver: intel_pstate
CPUs which run at the same hardware frequency: 0
CPUs which need to have their frequency coordinated by software: 0
maximum transition latency: 0.97 ms.
hardware limits: 500 MHz - 2.10 GHz
available cpufreq governors: performance, powersave
current policy: frequency should be within 500 MHz and 2.10 GHz.
The governor "powersave" may decide which speed to use
within this range.
current CPU frequency is 1.35 GHz.
analyzing CPU 1:
driver: intel_pstate
CPUs which run at the same hardware frequency: 1
CPUs which need to have their frequency coordinated by software: 1
maximum transition latency: 0.97 ms.
hardware limits: 500 MHz - 2.10 GHz
available cpufreq governors: performance, powersave
current policy: frequency should be within 500 MHz and 2.10 GHz.
The governor "powersave" may decide which speed to use
within this range.
current CPU frequency is 1.31 GHz.
analyzing CPU 2:
driver: intel_pstate
CPUs which run at the same hardware frequency: 2
CPUs which need to have their frequency coordinated by software: 2
maximum transition latency: 0.97 ms.
hardware limits: 500 MHz - 2.10 GHz
available cpufreq governors: performance, powersave
current policy: frequency should be within 500 MHz and 2.10 GHz.
The governor "powersave" may decide which speed to use
within this range.
current CPU frequency is 1.08 GHz.
analyzing CPU 3:
driver: intel_pstate
CPUs which run at the same hardware frequency: 3
CPUs which need to have their frequency coordinated by software: 3
maximum transition latency: 0.97 ms.
hardware limits: 500 MHz - 2.10 GHz
available cpufreq governors: performance, powersave
current policy: frequency should be within 500 MHz and 2.10 GHz.
The governor "powersave" may decide which speed to use
within this range.
current CPU frequency is 800 MHz.
по информации из watch grep \«cpu MHz\» /proc/cpuinfo процессор постоянно работает на 2100Mhz даже когда ничего не выполняет. Батарея расходуется часов за 5, хочется продлить время работы.
sudo cpufreq-set -u 900Ghz ничего не меняет.
