Differences

This shows you the differences between two versions of the page.

--- linux:cpufreq:cpufrequtils [2025/12/11 07:49] – created niziak
+++ linux:cpufreq:cpufrequtils [2025/12/11 07:49] (current) – niziak
@@ Line 2: / Line 2: @@
 Deprecated in D13 Trixie. Use ''linux-cpupower'' instead.
+It provides:
+  * ''/etc/init.d/cpufrequtils''  - disabled by default (no file ``/etc/default/cpufrequtils``)
+  * ''/etc/init.d/loadcpufreq''   - loads kernel modules
+  * ''cpufreq-set''
+  * ''cpufreq-info''
+  * ''cpufreq-aperf''
+''
+utilities to deal with the cpufreq Linux kernel feature
+ This package contains two utilities for inspecting and setting the
+ CPU frequency through both the sysfs and procfs CPUFreq kernel
+ interfaces.
+ .
+ By default, it also enables CPUFreq at boot time if the correct CPU
+ driver is found.
+''
+<code>/etc/default/cpufrequtils</code>
+==== change governor for all cpus ====
+<code bash>
+for ((i=0;i<$(nproc);i++)); do cpufreq-set -c $i -r -g powersave; done
+</code>
+Ansible one liner:
+<code bash>
+(cd .. && ansible pves -i $INVENTORY -a "bash -c 'for ((i=0;i<\$(nproc);i++)); do cpufreq-set -c \$i -r -g powersave; done'" --become)
+</code>