1 /*
   2  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   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  *

 203   friend class MemSnapshot;
 204   friend class MemTracker;
 205   friend class MemTrackWorker;
 206   friend class GenerationData;
 207 
 208  protected:
 209   // the array that holds memory records
 210   MemPointerArray*         _pointer_records;
 211 
 212  private:
 213   // used for linked list
 214   MemRecorder*             _next;
 215   // active recorder can only record a certain generation data
 216   unsigned long            _generation;
 217 
 218  protected:
 219   _NOINLINE_ MemRecorder();
 220   ~MemRecorder();
 221 
 222   // record a memory operation
 223   bool record(address addr, MEMFLAGS flags, size_t size, address caller_pc = 0);
 224 
 225   // linked list support
 226   inline void set_next(MemRecorder* rec) {
 227     _next = rec;
 228   }
 229 
 230   inline MemRecorder* next() const {
 231     return _next;
 232   }
 233 
 234   // if the recorder is full
 235   inline bool is_full() const {
 236     assert(_pointer_records != NULL, "just check");
 237     return _pointer_records->is_full();
 238   }
 239 
 240   // if running out of memory when initializing recorder's internal
 241   // data
 242   inline bool out_of_memory() const {
 243     return (_pointer_records == NULL ||

   1 /*
   2  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   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  *

 203   friend class MemSnapshot;
 204   friend class MemTracker;
 205   friend class MemTrackWorker;
 206   friend class GenerationData;
 207 
 208  protected:
 209   // the array that holds memory records
 210   MemPointerArray*         _pointer_records;
 211 
 212  private:
 213   // used for linked list
 214   MemRecorder*             _next;
 215   // active recorder can only record a certain generation data
 216   unsigned long            _generation;
 217 
 218  protected:
 219   _NOINLINE_ MemRecorder();
 220   ~MemRecorder();
 221 
 222   // record a memory operation
 223   bool record(address addr, MEMFLAGS flags, size_t size, jint seq, address caller_pc = 0);
 224 
 225   // linked list support
 226   inline void set_next(MemRecorder* rec) {
 227     _next = rec;
 228   }
 229 
 230   inline MemRecorder* next() const {
 231     return _next;
 232   }
 233 
 234   // if the recorder is full
 235   inline bool is_full() const {
 236     assert(_pointer_records != NULL, "just check");
 237     return _pointer_records->is_full();
 238   }
 239 
 240   // if running out of memory when initializing recorder's internal
 241   // data
 242   inline bool out_of_memory() const {
 243     return (_pointer_records == NULL ||