The commands are presented in alphabetical order to make it easier to use the following section as a standalone reference. If a command is specific to either JRockit R28 or JRockit R27, its section header is annotated with version information. No version information is given for commands that work on both R27 and R28.
This command is used to check the state of the JRockit Flight Recorder engine. For more information on JRockit Flight Recorder, see Chapter 8, The Runtime Analyzer,and Chapter 9, The Flight Recorder. The corresponding command for R27 is checkjrarecording. This command normally always returns at least one ongoing recording. This is because most versions of R28 run with a low overhead recording always enabled. As there can be multiple recordings running in parallel, the command takes as argument the ID of the recording for which to retrieve the status. If -1 or no argument is supplied, the status of all ongoing recordings will...