index.md

Gumshoe User Guide

Overview

Gumshoe intercepts java calls to sockets and captures network statistics. Data can be logged to a file or viewed live.

Features

• Network I/O analysis (TCP and UDP)
• CPU utilization analysis
• unclosed socket detection
• file I/O analysis

Getting Started

• Examples
• ELI5: Performance tuning
• Components of gumshoe
• Step by step

Generating Reports

• About the hooks
• Configuring the probe
• Using filters
• Running your program

Viewing Reports

• Running gumshoe GUI from your JVM
• Running standalone GUI
• Selecting a data report
• Navigating the graph
• Graph display options
• Configuring filters

Understanding Performance

• Identifying bottlenecks
• Stacks vs Statistics
• Scalability