def call(env)
measure_names = { RubyProf::ALLOCATIONS => 'allocations',
RubyProf::PROCESS_TIME => 'time', RubyProf::MEMORY => "memory" }
ret = nil
GC.disable
@types.each do |type|
next if type.nil?
if GC.respond_to?(:enable_stats)
GC.enable_stats || GC.clear_stats
end
RubyProf.measure_mode = type
RubyProf.start
100.times do
ret = super
end
result = RubyProf.stop
printer = RubyProf::CallTreePrinter.new(result)
path = "merb_profile_results" / env["PATH_INFO"]
FileUtils.mkdir_p(path)
printer.print(
File.open(
"#{path}/callgrind.out.#{measure_names[RubyProf::measure_mode]}",
'w'))
GC.disable_stats if GC.respond_to?(:disable_stats)
end
GC.enable
ret
end