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-rw-r--r--activesupport/lib/active_support/notifications/instrumenter.rb3
1 files changed, 1 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/notifications/instrumenter.rb b/activesupport/lib/active_support/notifications/instrumenter.rb
index 1940b33799..12546511a8 100644
--- a/activesupport/lib/active_support/notifications/instrumenter.rb
+++ b/activesupport/lib/active_support/notifications/instrumenter.rb
@@ -68,7 +68,6 @@ module ActiveSupport
@transaction_id = transaction_id
@end = ending
@children = []
- @duration = nil
@cpu_time_start = 0
@cpu_time_finish = 0
@allocation_count_start = 0
@@ -125,7 +124,7 @@ module ActiveSupport
#
# @event.duration # => 1000.138
def duration
- @duration ||= 1000.0 * (self.end - time)
+ 1000.0 * (self.end - time)
end
def <<(event)