src/hotspot/share/runtime/thread.hpp

rev 50392 : JEP 331

@@ -40,10 +40,11 @@
 #include "runtime/os.hpp"
 #include "runtime/osThread.hpp"
 #include "runtime/park.hpp"
 #include "runtime/safepoint.hpp"
 #include "runtime/stubRoutines.hpp"
+#include "runtime/threadHeapSampler.hpp"
 #include "runtime/threadLocalStorage.hpp"
 #include "runtime/unhandledOops.hpp"
 #include "utilities/align.hpp"
 #include "utilities/exceptions.hpp"
 #include "utilities/macros.hpp"

@@ -336,10 +337,11 @@
   volatile void* _polling_page;                 // Thread local polling page
 
   ThreadLocalAllocBuffer _tlab;                 // Thread-local eden
   jlong _allocated_bytes;                       // Cumulative number of bytes allocated on
                                                 // the Java heap
+  ThreadHeapSampler _heap_sampler;              // For use when sampling the memory.
 
   JFR_ONLY(DEFINE_THREAD_LOCAL_FIELD_JFR;)      // Thread-local data for jfr
 
   int   _vm_operation_started_count;            // VM_Operation support
   int   _vm_operation_completed_count;          // VM_Operation support

@@ -515,10 +517,12 @@
   jlong allocated_bytes()               { return _allocated_bytes; }
   void set_allocated_bytes(jlong value) { _allocated_bytes = value; }
   void incr_allocated_bytes(jlong size) { _allocated_bytes += size; }
   inline jlong cooked_allocated_bytes();
 
+  ThreadHeapSampler& heap_sampler()     { return _heap_sampler; }
+
   JFR_ONLY(DEFINE_THREAD_LOCAL_ACCESSOR_JFR;)
 
   bool is_trace_suspend()               { return (_suspend_flags & _trace_flag) != 0; }
 
   // VM operation support