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1 /*
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2 * Copyright 2002-2005 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 # include "incls/_precompiled.incl"
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26 # include "incls/_gcCause.cpp.incl"
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27
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28 const char* GCCause::to_string(GCCause::Cause cause) {
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29 switch (cause) {
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30 case _java_lang_system_gc:
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31 return "System.gc()";
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32
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33 case _full_gc_alot:
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34 return "FullGCAlot";
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35
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36 case _scavenge_alot:
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37 return "ScavengeAlot";
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38
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39 case _allocation_profiler:
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40 return "Allocation Profiler";
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41
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42 case _jvmti_force_gc:
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43 return "JvmtiEnv ForceGarbageCollection";
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44
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45 case _no_gc:
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46 return "No GC";
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47
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48 case _allocation_failure:
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49 return "Allocation Failure";
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50
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51 case _gc_locker:
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52 return "GCLocker Initiated GC";
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53
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54 case _heap_inspection:
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55 return "Heap Inspection Initiated GC";
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56
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57 case _heap_dump:
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58 return "Heap Dump Initiated GC";
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59
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60 case _tenured_generation_full:
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61 return "Tenured Generation Full";
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62
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63 case _permanent_generation_full:
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64 return "Permanent Generation Full";
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65
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66 case _cms_generation_full:
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67 return "CMS Generation Full";
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68
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69 case _cms_initial_mark:
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70 return "CMS Initial Mark";
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71
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72 case _cms_final_remark:
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73 return "CMS Final Remark";
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74
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75 case _old_generation_expanded_on_last_scavenge:
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76 return "Old Generation Expanded On Last Scavenge";
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77
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78 case _old_generation_too_full_to_scavenge:
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79 return "Old Generation Too Full To Scavenge";
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80
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81 case _last_ditch_collection:
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82 return "Last ditch collection";
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83
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84 case _last_gc_cause:
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85 return "ILLEGAL VALUE - last gc cause - ILLEGAL VALUE";
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86
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87 default:
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88 return "unknown GCCause";
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89 }
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90 ShouldNotReachHere();
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91 }
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92
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93 #ifndef PRODUCT
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94
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95 bool GCCause::is_for_full_collection(GCCause::Cause cause) {
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96 bool result;
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97
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98 // There are more GCCause::Cause types than listed here.
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99 // For brevity, we list only those that cause full collections.
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100 switch (cause) {
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101 case _allocation_failure:
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102 case _tenured_generation_full:
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103 case _permanent_generation_full:
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104 case _cms_generation_full:
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105 case _last_ditch_collection:
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106 result = true;
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107 break;
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108
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109 default:
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110 result = false;
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111 break;
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112 }
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113 return result;
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114 }
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115
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116 #endif // PRODUCT
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