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Michał Czyż cs3b
coldnebo
/ rails_trace.rb
Last active
August 15, 2024 15:15
This Rack middleware for Rails3 lets you see a call-trace of the lines of ruby code in your application invoked during a single request. Only code within your app is considered (i.e. in the /app folder). This expands on my previous attempt (https://gist.github.com/3077744). Example of output in comments below.
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| require 'singleton' | |
| # outputs a colored call-trace graph to the Rails logger of the lines of ruby code | |
| # invoked during a single request. | |
| # | |
| # Example: | |
| # | |
| # 1) Make sure this file is loaded in an initializer | |
| # | |
| # 2) Add the following to your application.rb in Rails3: |
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| $ rvm pkg install readline --verify-downloads 1 | |
| $ rvm install 1.9.3 --with-readline-dir=$rvm_path/usr --force | |
| $ gem install pry | |
| $ $ pry | |
| (reverse-i-search)`': | |
| [2] pry(main)> |
