A Simple Approach to Advanced JVM Profiling with Async-Profiler

This course demonstrates async-profiler techniques for finding performance bottlenecks, native memory leaks, and I/O problems in Java applications. It covers JVM and hardware profiling, performance reports, flame graphs, and profiling limitations.

Syllabus

Introduction
Who am I
Agenda
Why Profiling
Instrumentation Profilers
Sampling Profilers
Java API
Profiling Tools
Demo
Save Points
Common Problem
Async Get Call Trace API
Sleeping Threats
GetCallTrace
Hardware Profiling
Perf Events
Kernel API
Performance Reports
Spark Pages
PreserveFramePointerTM
Flame Graph
Interactive Graphics
Application Startup
Perf Limitations
Async Profiler
Download Async Profiler
Demo Time
Async vs JProfiler
Async Sampling Mode
Idea Ultimate Edition
Stream Builder Test
Socket Test
Buffer Size
Page Faults
Log Profiling
Questions
Reconnecting
Wall Clock Profiling