Reduce CPU up scaling for IC systems due to cooling pressure
authorGrant Slater <git@firefishy.com>
Tue, 10 Mar 2015 10:13:01 +0000 (10:13 +0000)
committerGrant Slater <git@firefishy.com>
Tue, 10 Mar 2015 10:13:01 +0000 (10:13 +0000)
roles/ic.rb

index 2e63557d280bd7ea964f66010f5fda7074efc56d..5724b798ec4c92ffd0a26ab6d6a79c48de12afd7 100644 (file)
@@ -28,6 +28,15 @@ default_attributes(
         }
       }
     }
+  },
+  :sysfs => {
+    :cpufreq_ondemand_low => {
+      :comment => "Tune the ondemand CPU frequency governor for reduced scaling",
+      :parameters => {
+        "devices/system/cpu/cpufreq/ondemand/up_threshold" => "95",
+        "devices/system/cpu/cpufreq/ondemand/sampling_down_factor" => "1"
+      }
+    }
   }
 )