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Versions: 35
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Contents
module Middleman
module Profiling
# The profiler instance. There can only be one!
def self.profiler=(prof)
@profiler = prof
end
def self.profiler
@profiler ||= NullProfiler.new
end
# Start the profiler
def self.start
profiler.start
end
# Stop the profiler and generate a report. Make sure to call start first
def self.report(report_name)
profiler.report(report_name)
end
# A profiler that does nothing. The default.
class NullProfiler
def start
end
def report(report_name)
end
end
# A profiler that uses ruby-prof
class RubyProfProfiler
def initialize
begin
require 'ruby-prof'
rescue LoadError
raise "To use the --profile option, you must 'gem install ruby-prof' (and include it in your Gemfile if running under bundle exec)"
end
end
def start
RubyProf.start
end
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
end
end
end
Version data entries
35 entries across 35 versions & 2 rubygems