1 files changed, 2 insertions, 8 deletions
diff --git a/lib/gitlab/instrumentation/redis_interceptor.rb b/lib/gitlab/instrumentation/redis_interceptor.rb
index b5a5f8fd984..8a64abb9f62 100644
--- a/lib/gitlab/instrumentation/redis_interceptor.rb
+++ b/lib/gitlab/instrumentation/redis_interceptor.rb
@@ -1,14 +1,12 @@
 # frozen_string_literal: true
 
-require 'redis'
-
 module Gitlab
   module Instrumentation
     module RedisInterceptor
       APDEX_EXCLUDE = %w[brpop blpop brpoplpush bzpopmin bzpopmax xread xreadgroup].freeze
 
       def call(*args, &block)
-        start = Time.now # must come first so that 'start' is always defined
+        start = Gitlab::Metrics::System.monotonic_time # must come first so that 'start' is always defined
         instrumentation_class.instance_count_request
         instrumentation_class.redis_cluster_validate!(args.first)
 
@@ -17,7 +15,7 @@ module Gitlab
         instrumentation_class.instance_count_exception(ex)
         raise ex
       ensure
-        duration = Time.now - start
+        duration = Gitlab::Metrics::System.monotonic_time - start
 
         unless APDEX_EXCLUDE.include?(command_from_args(args))
           instrumentation_class.instance_observe_duration(duration)
@@ -99,7 +97,3 @@ module Gitlab
     end
   end
 end
-
-class ::Redis::Client
-  prepend ::Gitlab::Instrumentation::RedisInterceptor
-end