# File lib/active_support/notifications/instrumenter.rb, line 8 def initialize(notifier) @id = unique_id @notifier = notifier end
Instrument the given block by measuring the time taken to execute it and publish it. Notice that events get sent even if an error occurs in the passed-in block
# File lib/active_support/notifications/instrumenter.rb, line 16 def instrument(name, payload={}) started = Time.now begin yield rescue Exception => e payload[:exception] = [e.class.name, e.message] raise e ensure @notifier.publish(name, started, Time.now, @id, payload) end end