Java Platform, Standard Edition Troubleshooting Guide
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JVM Tool Interface

The JVM Tool Interface (JVM TI) is a native (C/C++) programming interface that can be used by a wide range of development and monitoring tools. JVM TI provides an interface for the full breadth of tools that need access to VM state, including but not limited to profiling, debugging, monitoring, thread analysis, and coverage analysis tools.

Some examples of agents that rely on JVM TI are the following:

  • HPROF

  • Java Debug Wire Protocol (JDWP)

  • The java.lang.instrument package

The specification for JVM TI can be found in the JVM Tool Interface documentation.

The JDK includes example code that demonstrates the usage of JVM TI. These examples can be found in the $JAVA_HOME/demo/jvmti directory. Some of the example codes are as follows:

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