src/hotspot/share/runtime/objectMonitor.cpp

rev 51780 : imported patch syncknobs-00-base
rev 51781 : imported patch syncknobs-01-Knob_ReportSettings

@@ -106,11 +106,10 @@
 int ObjectMonitor::Knob_Verbose      = 0;
 int ObjectMonitor::Knob_VerifyInUse  = 0;
 int ObjectMonitor::Knob_VerifyMatch  = 0;
 int ObjectMonitor::Knob_SpinLimit    = 5000;    // derived by an external tool -
 
-static int Knob_ReportSettings      = 0;
 static int Knob_SpinBase            = 0;       // Floor AKA SpinMin
 static int Knob_SpinBackOff         = 0;       // spin-loop backoff
 static int Knob_CASPenalty          = -1;      // Penalty for failed CAS
 static int Knob_OXPenalty           = -1;      // Penalty for observed _owner change
 static int Knob_SpinSetSucc         = 1;       // spinners set the _succ field

@@ -2215,13 +2214,10 @@
   // The initialization is idempotent, so we don't need locks.
   // In the future consider doing this via os::init_2().
 
   if (os::is_MP()) {
     BackOffMask = (1 << Knob_SpinBackOff) - 1;
-    if (Knob_ReportSettings) {
-      tty->print_cr("INFO: BackOffMask=0x%X", BackOffMask);
-    }
     // CONSIDER: BackOffMask = ROUNDUP_NEXT_POWER2 (ncpus-1)
   } else {
     Knob_SpinLimit = 0;
     Knob_SpinBase  = 0;
     Knob_PreSpin   = 0;