Method: ActiveSupport::Notifications::Instrumenter#instrument

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

#instrument(name, payload = {}) ⇒ Object

Given a block, instrument it by measuring the time taken to execute and publish it. Without a block, simply send a message via the notifier. Notice that events get sent even if an error occurs in the passed-in block.



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# File 'activesupport/lib/active_support/notifications/instrumenter.rb', line 54

def instrument(name, payload = {})
  handle = build_handle(name, payload)
  handle.start
  begin
    yield payload if block_given?
  rescue Exception => e
    payload[:exception] = [e.class.name, e.message]
    payload[:exception_object] = e
    raise e
  ensure
    handle.finish
  end
end