Java Platform, Standard Edition Troubleshooting Guide
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2.18 The visualgc Tool

The visualgc tool is related to the jstat tool, see The jstat Utility. The visualgc tool provides a graphical view of the garbage collection (GC) system. As with jstat, it uses the built-in instrumentation of the Java HotSpot VM.

The visualgc tool is not included in the JDK release but is available as a separate download from the jvmstat technology page.

Figure 2-16 demonstrates how the GC and heap are visualized.

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