Sha256: 5b5adba92abb52a143e596499dea60289710547d97631abcabcb517b81a0ad2f
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Versions: 24
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Stored size: 1.25 KB
Contents
module Middleman
module Profiling
class << self
# The profiler instance. There can only be one!
attr_writer :profiler
def profiler
@profiler ||= NullProfiler.new
end
# Start the profiler
def start
profiler.start
end
# Stop the profiler and generate a report. Make sure to call start first
def report(report_name)
profiler.report(report_name)
end
end
# A profiler that does nothing. The default.
class NullProfiler
def start; end
def report(_); end
end
# A profiler that uses ruby-prof
class RubyProfProfiler
def initialize
require 'ruby-prof'
rescue LoadError
raise "To use the --profile option, you must add the 'ruby-prof' gem to your Gemfile"
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
24 entries across 24 versions & 2 rubygems