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jvisualvm(1)                                                                                    jvisualvm(1)



NAME
       jvisualvm - Java Virtual Machine Monitoring, Troubleshooting, and Profiling Tool


SYNOPSIS
               jvisualvm [ options ]



PARAMETERS
       Options,  if used, should follow immediately after the command name. Options may be in any order. For
       a discussion of parameters that apply to a specific option, see OPTIONS below.


DESCRIPTION
       Java VisualVM is an intuitive graphical user interface that provides detailed information about  Java
       technology-based  applications  (Java  applications)  while  they are running on a given Java Virtual
       Machine (JVM(*)). The name Java VisualVM comes from the fact that Java VisualVM provides  information
       about the JVM software visually.


       Java  VisualVM  combines  several  monitoring, troubleshooting, and profiling utilities into a single
       tool. For example, most of the functionality offered by the standalone tools jmap, jinfo,  jstat  and
       jstack  have been integrated into Java VisualVM. Other functionalities, such as some of those offered
       by the JConsole tool, can be added as optional plug-ins.


OPTIONS
       The following option is possible when you launch Java VisualVM.




             -J<jvm_option>
                Pass this <jvm_option> to the JVM software.



USAGE
       Java VisualVM is useful to Java application developers to troubleshoot applications  and  to  monitor
       and improve the applications' performance. Java VisualVM can allow developers to generate and analyse
       heap dumps, track down memory leaks, perform and monitor garbage collection, and perform  lightweight
       memory  and  CPU  profiling.  Plug-ins also exist that expand the functionality of Java VisualVM. For
       example, most of the functionality of the JConsole tool is available via the MBeans Tab and  JConsole
       Plug-in Wrapper plug-ins. You can choose from a catalog of standard Java VisualVM plug-ins by select-ing selecting
       ing 'Tools' | 'Plugins' in the Java VisualVM menus.


       Start Java VisualVM with the following command:

       %  jvisualvm <options>



SEE ALSO
       For more details about Java VisualVM see the following pages.


          o Java VisualVM developers' site @
            https://visualvm.dev.java.net

          o Java VisualVM in Java SE platform documentation @
            http://java.sun.com/javase/6/docs/technotes/guides/visualvm/index.html



       (* The terms "Java Virtual Machine" and "JVM" mean a Virtual Machine for the Java platform.)







                                                 26 Mar 2008                                    jvisualvm(1)

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