Module: HotCell::Clock

Defined in:
lib/hot_cell/clock.rb

Overview

Monotonic, because every duration here is reported to a caller that will alarm on it, and a clock that can step backwards produces negative latencies during an NTP correction.

Class Method Summary collapse

Class Method Details

.ms_since(at) ⇒ Object 



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# File 'lib/hot_cell/clock.rb', line 12

def ms_since(at)
  ((now - at) * 1000).round(2)
end

.now ⇒ Object 



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# File 'lib/hot_cell/clock.rb', line 8

def now
  Process.clock_gettime Process::CLOCK_MONOTONIC
end