There will be an example for simple setup.
$ ./build/libcamera_mon --help
Usage: ./build/libcamera_mon [options]
Options:
--buffer-size <value> Set the buffer size (default: 64)
--required-data-size <value> Set the required data size (default: 256)
--fifo-path <path> Set the FIFO file path (default: /tmp/libcamera/logs)
--sampling-method <value> Set the sampling method (default: 0)
0: arithmetic+filter
1: raw+filter
2: arithmetic
3: raw
--sample-frequency <value> Set the sampling frequency in Hz (default: 30)
--cutoff-frequency <value> Set the cutoff frequency in Hz (default: 5)
--help Show this help message