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This page documents a few of the tools that are part of HotSpot.
* [IdealGraphVisualizer]\- tool for examining IR of C2
* [LogCompilation tool]\- parse LogCompilation output of the JVM
* hsdis - [disassembler|PrintAssembly#PluginImplementations] used by hotspot for debugging (no docs yet)
* MakeDeps - build utility for hotspot (no docs yet)

External tools (not shipped with HotSpot, but still for visualizing data structures of HotSpot):
* [Client Compiler Visualizer|https://c1visualizer.dev.java.net]: Tool for examining the HIR, LIR, and linear scan register allocation of the Client Compiler (C1).

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