Java thread dump analyzer

Helps analyzing a thread dump quickly

Some features

• listing thread ids
• unique thread states
• threads matching a state
• thread matching id
• threads having large stack trace
• threads having same stack trace
• framework to support additional versions/formats of thread dump
• support for custom annotators to provide information on the thread dump

Constraints

• supports thread dumps compatible with only Oracle java 1.7_21 for the moment

Technologies

• Ruby, gem, bundle, rake, minispec

Installation

• Clone the git repo locally
• bundle install
• Build the gem, 'gem build jta.gemspec'
• Install the built gem, 'gem install jtda-.gem'
• Run the program, 'jtda.rb --help'

Usage

• help

$ jta.rb --help

• list unique states

$ jta.rb -f /tmp/thread.dump -u

• list threads by id

$ jta.rb -f /tmp/thread.dump -t 100,200

• groups thread by unique thread stack

$ jta.rb -f /tmp/thread.dump -a

• run application locally (not from the gem)

$ ruby -Ilib bin/jta.rb -f /tmp/thread.dump -l

Running tests

• rake test

License

MIT