Method: ActiveSupport::Notifications::Event#duration

Defined in:: lib/active_support/notifications/instrumenter.rb

#duration ⇒ `Object`

Returns the difference in milliseconds between when the execution of the event started and when it ended.

ActiveSupport::Notifications.subscribe('wait') do |*args|
  @event = ActiveSupport::Notifications::Event.new(*args)
end

ActiveSupport::Notifications.instrument('wait') do
  sleep 1
end

@event.duration # => 1000.138



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# File 'lib/active_support/notifications/instrumenter.rb', line 80

def duration
  @duration ||= 1000.0 * (self.end - time)
end