5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  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_GC_IMPLEMENTATION_SHARED_PROMOTIONFAILEDINFO_HPP
  26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_PROMOTIONFAILEDINFO_HPP
  27 
  28 #include "runtime/thread.hpp"
  29 #include "utilities/globalDefinitions.hpp"
  30 
  31 class PromotionFailedInfo VALUE_OBJ_CLASS_SPEC {
  32   size_t    _first_size;
  33   size_t    _smallest_size;
  34   size_t    _total_size;
  35   uint      _count;
  36   OSThread* _thread;
  37 
  38  public:
  39   PromotionFailedInfo() : _first_size(0), _smallest_size(0), _total_size(0), _count(0), _thread(NULL) {}
  40 
  41   void register_promotion_failed(size_t size) {
  42     if (_first_size == 0) {
  43       _first_size = size;
  44       _smallest_size = size;
  45       _thread = Thread::current()->osthread();
  46     } else if (size < _smallest_size) {
  47       _smallest_size = size;
  48     }
  49     _total_size += size;
  50     _count++;
  51     assert(_thread == Thread::current()->osthread(), "The PromotionFailedInfo should be thread local.");
  52   }
  53 
  54   void reset() {
  55     _first_size = 0;
  56     _smallest_size = 0;
  57     _total_size = 0;
  58     _count = 0;
  59     _thread = NULL;
  60   }
  61 
  62   bool promotion_failed() const { return _count != 0; }
  63   size_t first_size() const { return _first_size; }
  64   size_t smallest_size() const { return _smallest_size; }
  65   size_t total_size() const { return _total_size; }
  66   uint promotion_failed_count() const { return _count; }
  67   OSThread* thread() const { return _thread; }
  68 };
  69 
  70 #endif /* SHARE_VM_GC_IMPLEMENTATION_SHARED_PROMOTIONFAILEDINFO_HPP */

   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  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_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP
  26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP
  27 
  28 #include "runtime/thread.hpp"
  29 #include "utilities/globalDefinitions.hpp"
  30 
  31 class CopyFailedInfo VALUE_OBJ_CLASS_SPEC {
  32   size_t    _first_size;
  33   size_t    _smallest_size;
  34   size_t    _total_size;
  35   uint      _count;
  36   OSThread* _thread;
  37 
  38  public:
  39   CopyFailedInfo() : _first_size(0), _smallest_size(0), _total_size(0), _count(0), _thread(NULL) {}
  40 
  41   void register_copy_failure(size_t size) {
  42     if (_first_size == 0) {
  43       _first_size = size;
  44       _smallest_size = size;
  45       _thread = Thread::current()->osthread();
  46     } else if (size < _smallest_size) {
  47       _smallest_size = size;
  48     }
  49     _total_size += size;
  50     _count++;
  51     assert(_thread == Thread::current()->osthread(), "The PromotionFailedInfo should be thread local.");
  52   }
  53 
  54   void reset() {
  55     _first_size = 0;
  56     _smallest_size = 0;
  57     _total_size = 0;
  58     _count = 0;
  59     _thread = NULL;
  60   }
  61 
  62   bool has_failed() const { return _count != 0; }
  63   size_t first_size() const { return _first_size; }
  64   size_t smallest_size() const { return _smallest_size; }
  65   size_t total_size() const { return _total_size; }
  66   uint failed_count() const { return _count; }
  67   OSThread* thread() const { return _thread; }
  68 };
  69 
  70 class PromotionFailedInfo : public CopyFailedInfo {};
  71 
  72 #endif /* SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP */