Log Message:
sysutils/tmux-mem-cpu-load: import tmux-mem-cpu-load-3.6.0

A simple, lightweight program provided for system monitoring in
the status line of tmux.

The memory monitor displays the used and available memory.

The CPU usage monitor outputs a percent CPU usage over all processors.
It also displays a textual bar graph of the current percent usage.

The system load average is also displayed.