From 97f411b7963ee239823f58ad171fa6794bc37b79 Mon Sep 17 00:00:00 2001
From: Aleksei Lipniagov <alipniagov@gitlab.com>
Date: Fri, 28 Jun 2019 14:47:35 +0300
Subject: [PATCH] Use PROCESS_CPUTIME_ID for cpu time metrics

To measure ruby cpu time, we should use PROCESS_CPUTIME_ID instead of
THREAD_CPUTIME_ID in our environments.
---
 lib/gitlab/metrics/system.rb | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/lib/gitlab/metrics/system.rb b/lib/gitlab/metrics/system.rb
index 33c0de91c11..34de40ca72f 100644
--- a/lib/gitlab/metrics/system.rb
+++ b/lib/gitlab/metrics/system.rb
@@ -57,17 +57,9 @@ module Gitlab
         end
       end
 
-      # THREAD_CPUTIME is not supported on OS X
-      if Process.const_defined?(:CLOCK_THREAD_CPUTIME_ID)
-        def self.cpu_time
-          Process
-            .clock_gettime(Process::CLOCK_THREAD_CPUTIME_ID, :float_second)
-        end
-      else
-        def self.cpu_time
-          Process
-            .clock_gettime(Process::CLOCK_PROCESS_CPUTIME_ID, :float_second)
-        end
+      def self.cpu_time
+        Process
+          .clock_gettime(Process::CLOCK_PROCESS_CPUTIME_ID, :float_second)
       end
 
       # Returns the current real time in a given precision.