< prev index next >

src/share/vm/services/allocationSite.hpp

Print this page
rev 9024 : 8218558: NMT stack traces in output should show mt component for virtual memory allocations
Reviewed-by: shade, stuefe, coleenp


  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_SERVICES_ALLOCATION_SITE_HPP
  26 #define SHARE_VM_SERVICES_ALLOCATION_SITE_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 #include "utilities/nativeCallStack.hpp"
  30 
  31 // Allocation site represents a code path that makes a memory
  32 // allocation
  33 template <class E> class AllocationSite VALUE_OBJ_CLASS_SPEC {
  34  private:
  35   NativeCallStack  _call_stack;
  36   E                e;

  37  public:
  38   AllocationSite(const NativeCallStack& stack) : _call_stack(stack) { }
  39   int hash() const { return _call_stack.hash(); }
  40   bool equals(const NativeCallStack& stack) const {
  41     return _call_stack.equals(stack);
  42   }
  43 
  44   bool equals(const AllocationSite<E>& other) const {
  45     return other.equals(_call_stack);
  46   }
  47 
  48   const NativeCallStack* call_stack() const {
  49     return &_call_stack;
  50   }
  51 
  52   // Information regarding this allocation
  53   E* data()             { return &e; }
  54   const E* peek() const { return &e; }


  55 };
  56 
  57 #endif  // SHARE_VM_SERVICES_ALLOCATION_SITE_HPP


  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_SERVICES_ALLOCATION_SITE_HPP
  26 #define SHARE_VM_SERVICES_ALLOCATION_SITE_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 #include "utilities/nativeCallStack.hpp"
  30 
  31 // Allocation site represents a code path that makes a memory
  32 // allocation
  33 template <class E> class AllocationSite VALUE_OBJ_CLASS_SPEC {
  34  private:
  35   NativeCallStack  _call_stack;
  36   E                e;
  37   MEMFLAGS         _flag;
  38  public:
  39   AllocationSite(const NativeCallStack& stack, MEMFLAGS flag) : _call_stack(stack), _flag(flag) { }
  40   int hash() const { return _call_stack.hash(); }
  41   bool equals(const NativeCallStack& stack) const {
  42     return _call_stack.equals(stack);
  43   }
  44 
  45   bool equals(const AllocationSite<E>& other) const {
  46     return other.equals(_call_stack);
  47   }
  48 
  49   const NativeCallStack* call_stack() const {
  50     return &_call_stack;
  51   }
  52 
  53   // Information regarding this allocation
  54   E* data()             { return &e; }
  55   const E* peek() const { return &e; }
  56 
  57   MEMFLAGS flag() const { return _flag; }
  58 };
  59 
  60 #endif  // SHARE_VM_SERVICES_ALLOCATION_SITE_HPP
< prev index next >