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module ActiveSupport
module Testing
module Performance
module Metrics
class Base
protected
# Ruby 1.9 with GC::Profiler
if defined?(GC::Profiler)
def with_gc_stats
GC::Profiler.enable
GC.start
yield
ensure
GC::Profiler.disable
end
end
end
class Memory < Base
# Ruby 1.9 + GCdata patch
if GC.respond_to?(:malloc_allocated_size)
def measure
GC.malloc_allocated_size
end
end
end
class Amount < Base; end
class Objects < Amount
# Ruby 1.9 + GCdata patch
if GC.respond_to?(:malloc_allocations)
def measure
GC.malloc_allocations
end
end
end
class GcRuns < Amount
# Ruby 1.9
if GC.respond_to?(:count)
def measure
GC.count
end
end
end
class GcTime < Time
# Ruby 1.9 with GC::Profiler
if defined?(GC::Profiler) && GC::Profiler.respond_to?(:total_time)
def measure
GC::Profiler.total_time
end
end
end
end
end
end
end
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