cpufreq-set : command not found

The cpufreq-set command is a utility in Linux that is used to adjust the CPU frequency scaling settings of a system. CPU frequency scaling is the process of adjusting the speed at which a CPU is able to process instructions in order to save energy or improve performance.

To set the CPU frequency to a specific value, use the following command:

# cpufreq-set -f FREQUENCY -c CPU

This will set the frequency of the specified CPU to the specified value.

If you encounter the below error while running the command cpufreq-set:

cpufreq-set: command not found

you may try installing the below package as per your choice of distribution:

Distribution Command
Debian apt-get install cpufrequtils
Ubuntu apt-get install cpufrequtils
Alpine apk add cpufrequtils
Kali Linux apt-get install cpufrequtils
CentOS yum install cpufrequtils
Raspbian apt-get install cpufrequtils

cpufrequtils Command Examples

1. Set the CPU frequency policy of CPU 1 to “userspace”:

# sudo cpufreq-set -c 1 -g userspace

2. Set the current minimum CPU frequency of CPU 1:

# sudo cpufreq-set -c 1 --min min_frequency

3. Set the current maximum CPU frequency of CPU 1:

# sudo cpufreq-set -c 1 --max max_frequency

4. Set the current work frequency of CPU 1:

# sudo cpufreq-set -c 1 -f work_frequency
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