Analyzer java-network-io

# Name

java-network-io - Java Socket I/O Flame Graph

This analyzer shows which Java methods read from and write to TCP or UDP sockets. The flame graph groups socket operations by Java call path. Its metric can mean number of I/O calls, bytes transferred, or time spent inside the kernel handling the socket operation.

# Resource Category

Network I/O.

# Application Type & Technical Stack

• Java

# Command Line Syntax

The analyzer can be invoked directly on the command-line via the orxray utility from the openresty-xray-cli software package.

Alternatively, the analyzer can also be invoked manually or automatically on the web console UI of OpenResty XRay (like on the Advanced web page).

# PID is the target process PID.
orxray analyzer run java-network-io -p PID

# trace a shell command directly
orxray analyzer run java-network-io -c SHELL_CMD

# PGID is the process group ID or any process's PID within the target process
# group.
orxray analyzer run java-network-io -p -PGID

# trace any processes started from the specified executable path.
orxray analyzer run java-network-io --exe /path/to/exe/file

# Tracing Multiple Processes

Supported.

# Output Formats

• Flame Graphs

# Author

The OpenResty Inc. Team.

# Copyright

Copyright (C) by OpenResty Inc. All rights reserved.