module Monus::BuiltInMetric::EmLatency
Public Instance Methods
activate()
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# File lib/monus/built_in_metrics/em_latency.rb, line 2 def activate unless Monus.engine.kind_of? Monus::Engine::EventMachine raise LoadError, 'in order to use em_latency metric you should use :eventmachine engine' end @interval = Monus.options.dig(:em_latency_metric_options, :interval) || 1 last_time, current_time = nil, nil Monus.engine.every @interval do current_time = Process.clock_gettime(Process::CLOCK_MONOTONIC) if last_time latency = current_time - last_time - @interval Monus.set :em_latency, latency end last_time = current_time end end