Class: Middleman::Profiling::RubyProfProfiler

Inherits:
Object
  • Object
show all
Defined in:
lib/middleman-core/profiling.rb

Overview

A profiler that uses ruby-prof

Instance Method Summary collapse

Constructor Details

#initialize ⇒ RubyProfProfiler

Returns a new instance of RubyProfProfiler.



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# File 'lib/middleman-core/profiling.rb', line 30

def initialize
  require 'ruby-prof'
rescue LoadError
  raise "To use the --profile option, you must add the 'ruby-prof' gem to your Gemfile"
end

Instance Method Details

#report(report_name) ⇒ Object 



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# File 'lib/middleman-core/profiling.rb', line 40

def report(report_name)
  result = RubyProf.stop

  printer = RubyProf::GraphHtmlPrinter.new(result)
  outfile = File.join('profile', report_name)
  outfile = (outfile + '.html') unless outfile.end_with? '.html'
  FileUtils.mkdir_p(File.dirname(outfile))
  File.open(outfile, 'w') do |f|
    printer.print(f, min_percent: 1)
  end
end

#start ⇒ Object 



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# File 'lib/middleman-core/profiling.rb', line 36

def start
  RubyProf.start
end