VisualVM 使用官方的 Java 管理扩展（JMX）来获取线程的堆栈跟踪信息。 另一方面，async-profiler 使用非官方的 AsyncGetCallTrace API。

VisualVM is included with recent versions of Sun's implementation Java SE 6. It in many ways serves as a replacement for JConsole and a host of command-line tools provided with Sun's SDK.

VisualVM combines the best of several other Sun-provided Java tools such as the visual tool JConsole and command line tools such as jinfo, jmap, jstat, and jstack.

"VisualVM and Terracotta are a natural fit. VisualVM provides in-depth analysis of the virtual machine and Terracotta provides key information on cross-cluster issues," said Ari Zilka, CTO and ...