Chapter 11. JRCMD
This chapter is dedicated to JRCMD—one of the simplest tools in the JRockit distribution. JRCMD is a small command-line tool that can be used to interact with a running JRockit instance. It can also be used to list all running instances of the JRockit JVM on a system.
In this chapter, you will learn:
- How to use JRCMD to list the locally running JVMs on your machine
- How to use JRCMD to execute diagnostic commands on one or all JVMs running locally on your machine
- How to override the SIGQUIT signal handler to make JRockit run diagnostic commands of your choice instead of printing stack dumps, which is the default action
- How to utilize JRCMD to solve various tasks such as:
- Heap analysis
- Exception profiling
- Native memory tracking
- Controlling ...
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