"[-busy_sleep] [-yield] [-jg] [-loopback] [-props <channel properties>] [-debug]"); System.out.println("Options -props and -debug are only valid if -jg is used");
"[-busy_sleep] [-yield] [-jg] [-loopback] [-props <channel properties>]"); System.out.println("Options -props are only valid if -jg is used");
    static void help() {        System.out.println("SpeedTest [-help] [-num_msgs <num>] [-sleep <sleeptime in msecs between messages>] " +                "[-busy_sleep] [-yield] [-jg] [-loopback] [-props <channel properties>] [-debug]");        System.out.println("Options -props and -debug are only valid if -jg is used");    }