My changes won’t be acceppted from /etc/default/cpupower after restart.
# Define CPUs governor
# valid governors: ondemand, performance, powersave, conservative, userspace.
# Limit frequency range
# Valid suffixes: Hz, kHz (default), MHz, GHz, THz
# Specific frequency to be set.
# Requires userspace governor to be available.
# Do not set governor field if you use this one.
# Utilizes cores in one processor package/socket first before processes are
# scheduled to other processor packages/sockets.
# See man (1) CPUPOWER-SET for additional details.
# Utilizes thread siblings of one processor core first before processes are
# scheduled to other cores. See man (1) CPUPOWER-SET for additional details.
# Sets a register on supported Intel processore which allows software to convey
# its policy for the relative importance of performance versus energy savings to
# the processor. See man (1) CPUPOWER-SET for additional details.
# vim:set ts=2 sw=2 ft=sh et:
cpupower frequency-info showed still this, like nothing changed:
analyzing CPU 0:
CPUs which run at the same hardware frequency: 0
CPUs which need to have their frequency coordinated by software: 0
maximum transition latency: Cannot determine or is not supported.
hardware limits: 800 MHz - 4.70 GHz
available cpufreq governors: performance powersave
current policy: frequency should be within 800 MHz and 4.70 GHz.
The governor "powersave" may decide which speed to use
within this range.
current CPU frequency: Unable to call hardware
current CPU frequency: 800 MHz (asserted by call to kernel)
boost state support: