1 Usage: jstat -help|-options 2 jstat -<option> [-t] [-h<lines>] <vmid> [<interval> [<count>]] 3 4 Definitions: 5 <option> An option reported by the -options option 6 <vmid> Virtual Machine Identifier. A vmid takes the following form: 7 <lvmid>[@<hostname>[:<port>]] 8 Where <lvmid> is the local vm identifier for the target 9 Java virtual machine, typically a process id; <hostname> is 10 the name of the host running the target Java virtual machine; 11 and <port> is the port number for the rmiregistry on the 12 target host. See the jvmstat documentation for a more complete 13 description of the Virtual Machine Identifier. 14 <lines> Number of samples between header lines. 15 <interval> Sampling interval. The following forms are allowed: 16 <n>["ms"|"s"] 17 Where <n> is an integer and the suffix specifies the units as 18 milliseconds("ms") or seconds("s"). The default units are "ms". 19 <count> Number of samples to take before terminating. 20 -J<flag> Pass <flag> directly to the runtime system.