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require 'rubinius/agent'
module ActiveSupport
module Testing
module Performance
if !ARGV.include?('--benchmark')
DEFAULTS.merge!(
{ :metrics => [:wall_time],
:formats => [:flat, :graph] })
end
protected
def run_gc
GC.run(true)
end
class Performer; end
class Profiler < Performer
def run
@profiler = Rubinius::Profiler::Instrumenter.new
@profiler.profile(false) do
profile_options[:runs].to_i.times { run_test(@metric, :profile) }
end
@total = @profiler.info[:runtime] / 1000 / 1000 / 1000.0 # seconds
end
def report
super
end
def record
if(profile_options[:formats].include?(:flat))
File.open(output_filename('FlatPrinter'), 'wb') do |file|
@profiler.show(file)
end
end
if(profile_options[:formats].include?(:graph))
@profiler.set_options({:graph => true})
File.open(output_filename('GraphPrinter'), 'wb') do |file|
@profiler.show(file)
end
end
end
protected
def output_filename(printer)
suffix =
case printer
when 'FlatPrinter'; 'flat.txt'
when 'GraphPrinter'; 'graph.txt'
else printer.sub(/Printer$/, '').underscore
end
"#{super()}_#{suffix}"
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 Time < Base; end
class ProcessTime < Time
# unsupported
def measure; 0; end
end
class WallTime < Time
def measure
super
end
end
class CpuTime < Time
# unsupported
def measure; 0; end
end
class Memory < Base
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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