# File activesupport/lib/active_support/notifications/instrumenter.rb, line 62 def initialize(name, start, ending, transaction_id, payload) @name = name @payload = payload.dup @time = start ? start.to_f * 1_000.0 : start @transaction_id = transaction_id @end = ending ? ending.to_f * 1_000.0 : ending @children = [] @cpu_time_start = 0.0 @cpu_time_finish = 0.0 @allocation_count_start = 0 @allocation_count_finish = 0 end
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 136 def <<(event) @children << event end
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 116 def allocations @allocation_count_finish - @allocation_count_start end
Returns the number of allocations made since the call to start!
and the call to finish!
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 104 def cpu_time @cpu_time_finish - @cpu_time_start end
Returns the CPU time (in milliseconds) passed since the call to start!
and the call to finish!
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 132 def duration self.end - time end
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
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 96 def finish! @cpu_time_finish = now_cpu @end = now @allocation_count_finish = now_allocations end
Record information at the time this event finishes
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 110 def idle_time duration - cpu_time end
Returns the idle time time (in milliseconds) passed since the call to start!
and the call to finish!
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 140 def parent_of?(event) @children.include? event end
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 75 def record start! begin yield payload if block_given? rescue Exception => e payload[:exception] = [e.class.name, e.message] payload[:exception_object] = e raise e ensure finish! end end
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 89 def start! @time = now @cpu_time_start = now_cpu @allocation_count_start = now_allocations end
Record information at the time this event starts
© 2004–2021 David Heinemeier Hansson
Licensed under the MIT License.