Merge pull request #9418 from AriaXLi/PUP-7520

(PUP-7520) Update Puppet profiling timers to use monotonic clock

Author: joshcooper

lib/puppet/util/profiler/aggregate.rb

@@ -72,11 +72,11 @@ def add_time(time)
 
   class Timer
     def initialize
-      @start = Time.now
+      @start = Process.clock_gettime(Process::CLOCK_MONOTONIC, :float_second)
     end
 
     def stop
-      Time.now - @start
+      Process.clock_gettime(Process::CLOCK_MONOTONIC, :float_second) - @start
     end
   end
 end

lib/puppet/util/profiler/wall_clock.rb

@@ -21,11 +21,11 @@ class Timer
     FOUR_DECIMAL_DIGITS = '%0.4f'
 
     def initialize
-      @start = Time.now
+      @start = Process.clock_gettime(Process::CLOCK_MONOTONIC, :float_second)
     end
 
     def stop
-      @time = Time.now - @start
+      @time = Process.clock_gettime(Process::CLOCK_MONOTONIC, :float_second) - @start
       @time
     end