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B.2 ppwjumpshot

ppwjumpshot starts up the Jumpshot timeline viewer, which lets you graphically browse trace data you have previously collected using ppwrun(1). For more information on Jumpshot, see the Jumpshot user's manual, or the PPW manual section entitled `Jumpshot Introduction'.

To view trace data in Jumpshot, you must first convert PPW's data file format into the SLOG-2 file format using the par2slog2 command.

B.2.1 Invoking ppwjumpshot

To invoke ppwjumpshot, use the following syntax:

     ppwjumpshot [-h|-help|--help]
                 [-v view_ID]

B.2.2 ppwjumpshot Command Options

ppwjumpshot accepts the following options:

Show the help screen.
-v view_ID
Set the view ID (not useful for most users).
Turn on debugging output (not useful for most users).
Turn on profiling output (not useful for most users).

B.2.3 ppwjumpshot Notes

Note that this command requires a Java installation to work properly. If you do not have a Java installation available, please install the GUI on your workstation, or see the PPW manual section entitled `Installing PPW' for more options.

B.2.4 ppwjumpshot Environment Variables

If you did not configure PPW to use a Java installation at build time, or would like to override which version of Java PPW uses to start the GUI, you may set the JAVA_CMD environment variable to the full path of a Java interpreter.