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Monday, December 5, 2011

ruby-prof within cucumber

We've all been there... slow cucumber tests. It's tough to know where to begin. Recently, I added the ability to enable ruby-prof for a cucumber run. I added the following file to our features/support directory:



Then to run cucumber with ruby prof enabled:

RUBY_PROF=true cucumber features/tourbooks.feature

After cucumber finishes, profile-flat.txt and profile-graph.html should exist in the rails root tmp directory.

2 comments:

  1. took 6 minutes to generate the flat file, nearly 27 minutes for a calltree output. I ran out of patience for the graphhtml.....

    is this normal ? same for you?
    or is this an indication of something?

    result in the flat file shows the addressable gem to be the most expensive, which is very surprising to me...

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  2. It does take a while, but 27 minutes is not normal.

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