diff options
Diffstat (limited to 'activesupport')
| -rw-r--r-- | activesupport/lib/active_support/notifications/instrumenter.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/notifications/instrumenter.rb b/activesupport/lib/active_support/notifications/instrumenter.rb index 3a244b34b5..68c553059f 100644 --- a/activesupport/lib/active_support/notifications/instrumenter.rb +++ b/activesupport/lib/active_support/notifications/instrumenter.rb @@ -57,6 +57,18 @@ module ActiveSupport @duration = nil end + # Returns the difference in milliseconds between the moments when the + # execution of the instrumented 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 def duration @duration ||= 1000.0 * (self.end - time) end |