方法
属性
[R] | end | |
[R] | name | |
[RW] | payload | |
[R] | time | |
[R] | transaction_id |
类公共方法
new(name, start, ending, transaction_id, payload) 链接
源代码: 显示 | 在 GitHub 上
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 110 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 @cpu_time_start = 0.0 @cpu_time_finish = 0.0 @allocation_count_start = 0 @allocation_count_finish = 0 end
实例公共方法
allocations() 链接
源代码: 显示 | 在 GitHub 上
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 164 def allocations @allocation_count_finish - @allocation_count_start end
cpu_time() 链接
源代码: 显示 | 在 GitHub 上
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 151 def cpu_time @cpu_time_finish - @cpu_time_start end
duration() 链接
返回事件执行开始和结束之间的时间差(以毫秒为单位)。
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
源代码: 显示 | 在 GitHub 上
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 197 def duration self.end - time end
finish!() 链接
在此事件结束时记录信息
来源:显示 | 在 GitHub 上
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 143 def finish! @cpu_time_finish = now_cpu @end = now @allocation_count_finish = now_allocations end
idle_time() 链接
来源:显示 | 在 GitHub 上
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 157 def idle_time diff = duration - cpu_time diff > 0.0 ? diff : 0.0 end
record() 链接
来源:显示 | 在 GitHub 上
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 122 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
start!() 链接
在此事件开始时记录信息
来源:显示 | 在 GitHub 上
# File activesupport/lib/active_support/notifications/instrumenter.rb, line 136 def start! @time = now @cpu_time_start = now_cpu @allocation_count_start = now_allocations end