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-rw-r--r--lib/gitlab/metrics/system.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/gitlab/metrics/system.rb b/lib/gitlab/metrics/system.rb
index 81bd799bd1e..33c0de91c11 100644
--- a/lib/gitlab/metrics/system.rb
+++ b/lib/gitlab/metrics/system.rb
@@ -35,6 +35,8 @@ module Gitlab
def self.process_start_time
fields = File.read('/proc/self/stat').split
+ # fields[21] is linux proc stat field "(22) starttime".
+ # The value is expressed in clock ticks, divide by clock ticks for seconds.
( fields[21].to_i || 0 ) / clk_tck
end
else