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Java Platform, Standard Edition Tools Reference
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# jmc

Java Mission Control is a Profiling, Monitoring, and Diagnostics Tools Suite.

## Synopsis

jmc [ options ]

Options, if used, should follow immediately after the command name. Options may be in any order. For more information about the options used with the `jmc` command, see Options.

## Description

Note: Java Mission Control requires a commercial license for use in production. To learn more about commercial features and how to enable them please visit `http://www.oracle.com/technetwork/java/javaseproducts/`.

Java Mission Control is a tool for production time profiling and diagnostics for the HotSpot JVM. The two main features of Java Mission Control are the Management Console and Java Flight Recorder, but several more features are offered as plug-ins, which can be downloaded from the tool. Java Mission Control is also available as a set of plug-ins for the Eclipse IDE.

## Options

The following options are available when you launch Java Mission Control.

-help

  Prints `jmc` command help.

-version

  Prints the version of Java Mission Control and exit.

-showversion

  Prints the version of Java Mission Control and continue.

-debug

  Enables debug output.

-consoleLog

  Prints the Eclipse log on the console. (Flag from Eclipse).

-data workspace

  Sets the workspace used while running Java Mission Control. The default workspace is `$HOME/.jmc`. (Flag from Eclipse).

-open file

  Opens the file in Java Mission Control. For example, to open a Flight Recording file (`.jfr` file).

eclipse-option

  Passes this eclipse option to the underlying Eclipse platform. Eg. `-nosplash`

-vmargs jvm-arguments

  Overrides the JVM arguments specified in the `jmc.ini` file located in `JAVA_HOME/bin`.

--launcher.appendVmargs

  Appends JVM arguments from the `-vmargs` flag to those in the `jmc.ini` file.

## See Also

- Oracle Java SE Advanced and Oracle Java SE Suite at `http://www.oracle.com/us/technologies/java/standard-edition/advanced-suite/overview/index.html`

- Java Mission Control User's Guide at `http://docs.oracle.com/javacomponents/jmc.htm`

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