Java Profiling in the Linux Style
summary
Shows how to profile Java applications on Linux using the Linux perf profiler and standard tooling. Covers integrating perf with the JVM, tools for performance analysis, and using processor hardware features to achieve very fine-grained profiling of Java applications.
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chapters (18)
- 0:00Introduction
- 1:03Speaker background
- 3:45Java profiling problem
- 5:10Choosing perf profiler
- 7:21Matching addresses to methods
- 10:15Demo perf with Java
- 13:30SpeedScope profile visualization
- 15:39Perf usage summary
- 17:07How simple profilers work
- 20:25Profile vs trace
- 24:29Tracing profilers issues
- 26:34Classic tracing approach
- 27:59Intel Processor Trace
- 32:35Intel PT practical use
- 35:54Intel PT limitations
- 36:58Profile improvements
- 38:05Trace visualization in SpeedScope
- 40:13Talk summary
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