Sha256: 2d6e92716e5806bec35731ed67ded0cfc6a1fd204e47906f4d997368b8fa3c91
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Size: 1.33 KB
Versions: 20
Compression:
Stored size: 1.33 KB
Contents
begin
require "ruby-prof"
rescue LoadError => e
Merb.fatal! "You need ruby-prof installed to use the profiler middleware", e
end
module Merb
module Rack
class Profiler < Merb::Rack::Middleware
# :api: private
def initialize(app, types = [RubyProf::ALLOCATIONS, RubyProf::PROCESS_TIME])
super(app)
@types = types
end
# :api: plugin
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
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems