Tool for printing out Aeron counters. A command-and-control (cnc) file is maintained by media driver
in shared memory. This application reads the the cnc file and prints the counters. Layout of the cnc file is
described in CncFileDescriptor.
This tool accepts filters on the command line, e.g. for connections only see example below:
java -cp aeron-samples/build/libs/samples.jar io.aeron.samples.AeronStat opType=[1-4] identity=12345