4601N/AUsage: jcmd <pid | main class> <command ...|PerfCounter.print|-f file>
4601N/A or: jcmd -l
4601N/A or: jcmd -h
4601N/A
4601N/A command must be a valid jcmd command for the selected jvm.
4601N/A Use the command "help" to see which commands are available.
4601N/A If the pid is 0, commands will be sent to all Java processes.
4601N/A The main class argument will be used to match (either partially
4601N/A or fully) the class used to start Java.
4601N/A If no options are given, lists Java processes (same as -p).
4601N/A
4601N/A PerfCounter.print display the counters exposed by this process
4601N/A -f read and execute commands from the file
4601N/A -l list JVM processes on the local machine
4601N/A -h this help