Apr 19, 2013

Java - print jvm options


$ java -XX:+PrintFlagsFinal -version
[Global flags]
    uintx AdaptivePermSizeWeight                    = 20              {product}           
    uintx AdaptiveSizeDecrementScaleFactor          = 4               {product}           
    uintx AdaptiveSizeMajorGCDecayTimeScale         = 10              {product}           
    uintx AdaptiveSizePausePolicy                   = 0               {product}           
    uintx AdaptiveSizePolicyCollectionCostMargin    = 50              {product}           
    uintx AdaptiveSizePolicyInitializingSteps       = 20              {product}           
    uintx AdaptiveSizePolicyOutputInterval          = 0               {product}           
    uintx AdaptiveSizePolicyWeight                  = 10              {product}           
    uintx AdaptiveSizeThroughPutPolicy              = 0               {product}           
    uintx AdaptiveTimeWeight                        = 25              {product}           
     bool AdjustConcurrency                         = false           {product}           
     bool AggressiveOpts                            = false           {product}           
     intx AliasLevel                                = 3               {product}           
     intx AllocateInstancePrefetchLines             = 1               {product}           
     intx AllocatePrefetchDistance                  = 256             {product}           
     ...
     ...
     ...
     intx ValueSearchLimit                          = 1000            {C2 product}        
     bool VerifyMergedCPBytecodes                   = true            {product}           
     intx WorkAroundNPTLTimedWaitHang               = 1               {product}           
    uintx YoungGenerationSizeIncrement              = 20              {product}           
    uintx YoungGenerationSizeSupplement             = 80              {product}           
    uintx YoungGenerationSizeSupplementDecay        = 8               {product}           
    uintx YoungPLABSize                             = 4096            {product}           
     bool ZeroTLAB                                  = false           {product}           
     intx hashCode                                  = 0               {product}           
java version "1.7.0_04"
Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)