Bytecode Instrumentation

| 2004 JavaOne

Conference | Session 3042 Copyright Hewlett Packard Co., 2004.

Approaches for Data Collection

•

C heap data structures

─ Requires call to native code from Java

• Java heap

─ Measurement data structures interfere with program

• Files

─ I/O can be slow, even with buffering

• Pipes

• Sockets/Network

• RMI, RMI/SSL

• JMX