359   }
 360   public native Object[] getCodeBlob(long addr);
 361 
 362   private native void clearInlineCaches0(boolean preserve_static_stubs);
 363   public void clearInlineCaches() {
 364     clearInlineCaches0(false);
 365   }
 366   public void clearInlineCaches(boolean preserve_static_stubs) {
 367     clearInlineCaches0(preserve_static_stubs);
 368   }
 369 
 370   // Intered strings
 371   public native boolean isInStringTable(String str);
 372 
 373   // Memory
 374   public native void readReservedMemory();
 375   public native long allocateMetaspace(ClassLoader classLoader, long size);
 376   public native void freeMetaspace(ClassLoader classLoader, long addr, long size);
 377   public native long incMetaspaceCapacityUntilGC(long increment);
 378   public native long metaspaceCapacityUntilGC();

 379 
 380   // Force Young GC
 381   public native void youngGC();
 382 
 383   // Force Full GC
 384   public native void fullGC();
 385 
 386   // Method tries to start concurrent mark cycle.
 387   // It returns false if CM Thread is always in concurrent cycle.
 388   public native boolean g1StartConcMarkCycle();
 389 
 390   // Tests on ReservedSpace/VirtualSpace classes
 391   public native int stressVirtualSpaceResize(long reservedSpaceSize, long magnitude, long iterations);
 392   public native void runMemoryUnitTests();
 393   public native void readFromNoaccessArea();
 394   public native long getThreadStackSize();
 395   public native long getThreadRemainingStackSize();
 396 
 397   // CPU features
 398   public native String getCPUFeatures();

 359   }
 360   public native Object[] getCodeBlob(long addr);
 361 
 362   private native void clearInlineCaches0(boolean preserve_static_stubs);
 363   public void clearInlineCaches() {
 364     clearInlineCaches0(false);
 365   }
 366   public void clearInlineCaches(boolean preserve_static_stubs) {
 367     clearInlineCaches0(preserve_static_stubs);
 368   }
 369 
 370   // Intered strings
 371   public native boolean isInStringTable(String str);
 372 
 373   // Memory
 374   public native void readReservedMemory();
 375   public native long allocateMetaspace(ClassLoader classLoader, long size);
 376   public native void freeMetaspace(ClassLoader classLoader, long addr, long size);
 377   public native long incMetaspaceCapacityUntilGC(long increment);
 378   public native long metaspaceCapacityUntilGC();
 379   public native boolean metaspaceShouldConcurrentCollect();
 380 
 381   // Force Young GC
 382   public native void youngGC();
 383 
 384   // Force Full GC
 385   public native void fullGC();
 386 
 387   // Method tries to start concurrent mark cycle.
 388   // It returns false if CM Thread is always in concurrent cycle.
 389   public native boolean g1StartConcMarkCycle();
 390 
 391   // Tests on ReservedSpace/VirtualSpace classes
 392   public native int stressVirtualSpaceResize(long reservedSpaceSize, long magnitude, long iterations);
 393   public native void runMemoryUnitTests();
 394   public native void readFromNoaccessArea();
 395   public native long getThreadStackSize();
 396   public native long getThreadRemainingStackSize();
 397 
 398   // CPU features
 399   public native String getCPUFeatures();