src/hotspot/share/gc/shared/memAllocator.cpp

rev 52132 : 8201655: Add thread-enabled support for the Heap Sampling
Summary:
Reviewed-by:
rev 52133 : [mq]: functional

*** 30,39 ****
--- 30,41 ----
  #include "gc/shared/threadLocalAllocBuffer.inline.hpp"
  #include "memory/universe.hpp"
  #include "oops/arrayOop.hpp"
  #include "oops/oop.inline.hpp"
  #include "prims/jvmtiExport.hpp"
+ #include "prims/jvmtiEventController.inline.hpp"
+ #include "prims/jvmtiThreadState.inline.hpp"
  #include "runtime/sharedRuntime.hpp"
  #include "runtime/handles.inline.hpp"
  #include "runtime/thread.inline.hpp"
  #include "services/lowMemoryDetector.hpp"
  #include "utilities/align.hpp"
*** 196,206 ****
      // Sample if it's a non-TLAB allocation, or a TLAB allocation that either refills the TLAB
      // or expands it due to taking a sampler induced slow path.
      return;
    }
  
!   if (JvmtiExport::should_post_sampled_object_alloc()) {
      // If we want to be sampling, protect the allocated object with a Handle
      // before doing the callback. The callback is done in the destructor of
      // the JvmtiSampledObjectAllocEventCollector.
      PreserveObj obj_h(_thread, _obj_ptr);
      JvmtiSampledObjectAllocEventCollector collector;
--- 198,208 ----
      // Sample if it's a non-TLAB allocation, or a TLAB allocation that either refills the TLAB
      // or expands it due to taking a sampler induced slow path.
      return;
    }
  
!   {
      // If we want to be sampling, protect the allocated object with a Handle
      // before doing the callback. The callback is done in the destructor of
      // the JvmtiSampledObjectAllocEventCollector.
      PreserveObj obj_h(_thread, _obj_ptr);
      JvmtiSampledObjectAllocEventCollector collector;