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require 'rubinius/agent'
module ActiveSupport
module Testing
module Performance
DEFAULTS.merge!(
if ARGV.include?('--benchmark')
{:metrics => [:wall_time, :memory, :objects, :gc_runs, :gc_time]}
else
{ :metrics => [:wall_time],
:formats => [:flat, :graph] }
end).freeze
protected
def run_gc
GC.run(true)
end
class Performer; end
class Profiler < Performer
def initialize(*args)
super
@supported = @metric.is_a?(Metrics::WallTime)
end
def run
return unless @supported
@profiler = Rubinius::Profiler::Instrumenter.new
@profiler.profile(false) do
full_profile_options[:runs].to_i.times { run_test(@metric, :profile) }
end
@total = @profiler.info[:runtime] / 1000 / 1000 / 1000.0 # seconds
end
def record
return unless @supported
if(full_profile_options[:formats].include?(:flat))
create_path_and_open_file(:flat) do |file|
@profiler.show(file)
end
end
if(full_profile_options[:formats].include?(:graph))
create_path_and_open_file(:graph) do |file|
@profiler.show(file)
end
end
end
protected
def create_path_and_open_file(printer_name)
fname = "#{output_filename}_#{printer_name}.txt"
FileUtils.mkdir_p(File.dirname(fname))
File.open(fname, 'wb') do |file|
yield(file)
end
end
end
module Metrics
class Base
attr_reader :loopback
def profile
yield
end
protected
def with_gc_stats
@loopback = Rubinius::Agent.loopback
GC.run(true)
yield
end
end
class WallTime < Time
def measure
super
end
end
class Memory < DigitalInformationUnit
def measure
loopback.get("system.memory.counter.bytes").last
end
end
class Objects < Amount
def measure
loopback.get("system.memory.counter.objects").last
end
end
class GcRuns < Amount
def measure
loopback.get("system.gc.full.count").last + loopback.get("system.gc.young.count").last
end
end
class GcTime < Time
def measure
(loopback.get("system.gc.full.wallclock").last + loopback.get("system.gc.young.wallclock").last) / 1000.0
end
end
end
end
end
end
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