59 lines
1.3 KiB
Ruby
59 lines
1.3 KiB
Ruby
module Middleman
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module Profiling
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# The profiler instance. There can only be one!
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def self.profiler=(prof)
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@profiler = prof
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end
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def self.profiler
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@profiler ||= NullProfiler.new
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end
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# Start the profiler
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def self.start
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profiler.start
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end
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# Stop the profiler and generate a report. Make sure to call start first
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def self.report(report_name)
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profiler.report(report_name)
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end
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# A profiler that does nothing. The default.
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class NullProfiler
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def start
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end
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def report(report_name)
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end
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end
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# A profiler that uses ruby-prof
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class RubyProfProfiler
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def initialize
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begin
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require 'ruby-prof'
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rescue LoadError
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raise "To use the --profile option, you must add the 'ruby-prof' gem to your Gemfile"
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end
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end
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def start
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RubyProf.start
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end
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def report(report_name)
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result = RubyProf.stop
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printer = RubyProf::GraphHtmlPrinter.new(result)
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outfile = File.join('profile', report_name)
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outfile = (outfile + '.html') unless outfile.end_with? '.html'
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FileUtils.mkdir_p(File.dirname(outfile))
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File.open(outfile, 'w') do |f|
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printer.print(f, :min_percent=> 1)
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end
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end
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end
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end
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end
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