diff -r 81e87daa9876 -r 5ff696b1bbac jdk/src/java.desktop/share/classes/sun/java2d/marlin/MarlinConst.java
--- a/jdk/src/java.desktop/share/classes/sun/java2d/marlin/MarlinConst.java	Thu Dec 10 15:52:14 2015 -0800
+++ b/jdk/src/java.desktop/share/classes/sun/java2d/marlin/MarlinConst.java	Thu Dec 10 15:58:01 2015 -0800
@@ -30,8 +30,8 @@
  */
 interface MarlinConst {
     // enable Logs (logger or stdout)
-    static final boolean enableLogs = false;
-    // enable Logger
+    static final boolean enableLogs = MarlinProperties.isLoggingEnabled();
+    // use Logger instead of stdout
     static final boolean useLogger = enableLogs && MarlinProperties.isUseLogger();
 
     // log new RendererContext
@@ -47,9 +47,10 @@
     static final boolean doStats = enableLogs && MarlinProperties.isDoStats();
     // do monitors
     // disabled to reduce byte-code size a bit...
-    static final boolean doMonitors = enableLogs && false; // MarlinProperties.isDoMonitors();
+    static final boolean doMonitors = false;
+//    static final boolean doMonitors = enableLogs && MarlinProperties.isDoMonitors();
     // do checks
-    static final boolean doChecks = false; // MarlinProperties.isDoChecks();
+    static final boolean doChecks = enableLogs && MarlinProperties.isDoChecks();
 
     // do AA range checks: disable when algorithm / code is stable
     static final boolean DO_AA_RANGE_CHECK = false;