Covert Java™: Techniques for Decompiling, Patching, and Reverse Engineering

Chapter 10. Using Profilers for Application Runtime Analysis

	“No bug can be fixed correctly after 4:30 p.m. on Friday. The correct solution will become self-evident at 9:15 a.m. on Monday.”
	--Murphy's Technology Laws

IN THIS CHAPTER

• Why and When You Should Use Profiling 89

• The Best Profilers for Java 90

• Investigating Heap Usage and Garbage Collection Frequency to Improve the Performance 90

• Browsing Object Allocation and References to Find and Fix Memory Leaks 92

• Investigating Thread Allocation and Synchronization 96

• Identifying Expensive Methods to Improve Performance 100

• Investigating an Application at Runtime Using a Thread Dump 101

• Quick Quiz 102

• In Brief 103

Why and When You Should Use Profiling

The term profiling is traditionally used to describe the ...