Fix codestyle

lib/gitlab/metrics/sampler.rb

@@ -101,7 +101,7 @@ module Gitlab
       def sample_load_average
         loadavg = System.load_average
-        add_metric('sys_loadavg', {:'1min' => loadavg[0], :'5min' => loadavg[1], :'15min' => loadavg[2]})
+        add_metric('sys_loadavg', { :'1min' => loadavg[0], :'5min' => loadavg[1], :'15min' => loadavg[2] })
       end
       def add_metric(series, values, tags = {})

lib/gitlab/metrics/system.rb

@@ -25,7 +25,7 @@ module Gitlab
         def self.load_average
           loadavg = File.read('/proc/loadavg').scan(/\d+.\d+/)
           if loadavg && loadavg[0] && loadavg[1] && loadavg[2]
-            loadavg[0..2].map { |value| value.to_f }
+            loadavg[0..2].map(&:to_f)
           else
             [0.0, 0.0, 0.0]
           end