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Contents
# Copyright (c) 2015 Sqreen. All Rights Reserved.
# Please refer to our terms for more information: https://www.sqreen.io/terms.html
require 'sqreen/performance_notifications'
require 'sqreen/performance_notifications/log'
module Sqreen
module PerformanceNotifications
# Log performances on the console
class LogPerformance < Log
@subid = nil
@facility = nil
class << self
def timings
v = SharedStorage.get(:log_performance_timings)
if v.nil?
v = []
self.timings = v
end
v
end
def timings=(value)
SharedStorage.set(:log_performance_timings, value)
end
def log(rule, cb, start, finish, _meta)
event = event_name(rule, cb)
timings << [event, start, finish]
end
def enabled?
!@subid.nil?
end
def next_request
return unless enabled?
(@facility || Sqreen.log).warn do
output = timings.map do |evt, start, finish|
[evt.split('/')[1], (finish - start) * 1000]
end
self.timings = []
total = output.map(&:last).inject(0, &:+)
rules = output.inject({}) do |acc, (e, t)|
tt, cc = (acc[e] || [0, 0])
acc[e] = [tt + t, cc + 1]
acc
end
format(
"Sqreen request overhead:\n" +
("%s: %.2fms (%d calls)\n" * rules.size) +
'Total: %.2fms', *rules.to_a.sort_by { |e| e[1] }.flatten, total
)
end
end
def enable(facility = nil)
return unless @subid.nil?
@facility = facility
@subid = Sqreen::PerformanceNotifications.subscribe(&method(:log))
end
def disable
return if @subid.nil?
Sqreen::PerformanceNotifications.unsubscribe(@subid)
@subid = nil
end
end
end
end
end
Version data entries
38 entries across 38 versions & 1 rubygems