--- old/src/hotspot/share/runtime/objectMonitor.cpp	2018-09-17 23:30:14.207744157 -0700
+++ new/src/hotspot/share/runtime/objectMonitor.cpp	2018-09-17 23:30:13.959744165 -0700
@@ -108,7 +108,6 @@
 static int Knob_Penalty             = 200;     // spin failure penalty
 static int Knob_Poverty             = 1000;
 static int Knob_FixedSpin           = 0;
-static int Knob_UsePause            = 1;
 static int Knob_ExitPolicy          = 0;
 static int Knob_PreSpin             = 10;      // 20-100 likely better
 static int Knob_ResetEvent          = 0;
@@ -1863,11 +1862,9 @@
       if (SafepointMechanism::poll(Self)) {
         goto Abort;           // abrupt spin egress
       }
-      if (Knob_UsePause & 1) SpinPause();
+      SpinPause();
     }
 
-    if (Knob_UsePause & 2) SpinPause();
-
     // Probe _owner with TATAS
     // If this thread observes the monitor transition or flicker
     // from locked to unlocked to locked, then the odds that this