1 /*
   2  * Copyright (c) 2016, 2018, 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  *
  23  */
  24 
  25 #ifndef SHARE_VM_GC_G1_G1HEAPREGIONTRACETYPE_HPP
  26 #define SHARE_VM_GC_G1_G1HEAPREGIONTRACETYPE_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 #include "utilities/debug.hpp"
  30 
  31 class G1HeapRegionTraceType : AllStatic {
  32  public:
  33   enum Type {
  34     Free,
  35     Eden,
  36     Survivor,
  37     StartsHumongous,
  38     ContinuesHumongous,
  39     Old,
  40     PreMatureOld,
  41     OpenArchive,
  42     ClosedArchive,
  43     G1HeapRegionTypeEndSentinel
  44   };
  45 
  46   static const char* to_string(G1HeapRegionTraceType::Type type) {
  47     switch (type) {
  48       case Free:               return "Free";
  49       case Eden:               return "Eden";
  50       case Survivor:           return "Survivor";
  51       case StartsHumongous:    return "Starts Humongous";
  52       case ContinuesHumongous: return "Continues Humongous";
  53       case Old:                return "Old";
  54       case PreMatureOld:       return "PreMatureOld";
  55       case OpenArchive:        return "OpenArchive";
  56       case ClosedArchive:      return "ClosedArchive";
  57       default: ShouldNotReachHere(); return NULL;
  58     }
  59   }
  60 };
  61 
  62 #endif // SHARE_VM_GC_G1_G1HEAPREGIONTRACETYPE_HPP