Rack::Probe : dtrace probes for your webapp
status
Rack::Probe (along with Dtracy) is part of the Ruby on Rail's Google Summer of Code '09 Quartet, with development updates and entertainment available at http://ecin.tumblr.com Welcome! Sit down, grab a sugary drink, and enjoy the smell of freshly baked code right out of the oven.
requirements
An operating system with support for Dtrace (http://www.sun.com/bigadmin/content/dtrace/) is a must. Mac OS X, Solaris/OpenSolaris and FreeBSD are all acceptable choices, though no testing has been done on FreeBSD.
gem dependencies
- rack
- ruby-dtrace
installing
gem sources -a http://gems.github.com
gem install ecin-rack-probe
setup
Rails Middleware:
Inside your config/environment.rb
config.gem "ecin-rack-probe", :lib => "rack/probe"
config.middleware.use "Rack::Probe"
Rack Middleware:
Inside your rackup file
require 'rack/probe'
use Rack::Probe
use
From a terminal, run dtrace -n rack*::: -l to get a list of all the available probes. The number you'll see after 'rack' in the provider field is the PID of the process that's making the probes available.
copyright
Copyright (c) 2009 ecin. See LICENSE for details.