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cpufreq-aperf:tldr:1d29a
The command sudo cpufreq-aperf -i ${3}
is used to obtain information about the active frequency of the CPU cores on a Linux system.
Here is a breakdown of the command:
-
sudo
: This is a command that allows you to execute another command with superuser (root) privileges. It is used here to ensure that the following command has the necessary permissions to run. -
cpufreq-aperf
: This is the name of the command-line utility that is being executed. It is a tool used for monitoring CPU frequency. -
-i
: This is an option or flag that is passed to thecpufreq-aperf
command. It stands for "information" and is used to request information about the CPU cores' active frequency. -
${3}
: This is a placeholder or variable. It suggests that the command expects a value to be provided as the third parameter when executing the command. The actual value would need to be substituted for${3}
before running the command.