1 /* 2 * Copyright (c) 2002, 2005, 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 # include "incls/_precompiled.incl" 26 # include "incls/_gcCause.cpp.incl" 27 28 const char* GCCause::to_string(GCCause::Cause cause) { 29 switch (cause) { 30 case _java_lang_system_gc: 31 return "System.gc()"; 32 33 case _full_gc_alot: 34 return "FullGCAlot"; 35 36 case _scavenge_alot: 37 return "ScavengeAlot"; 38 39 case _allocation_profiler: 40 return "Allocation Profiler"; 41 42 case _jvmti_force_gc: 43 return "JvmtiEnv ForceGarbageCollection"; 44 45 case _no_gc: 46 return "No GC"; 47 48 case _allocation_failure: 49 return "Allocation Failure"; 50 51 case _gc_locker: 52 return "GCLocker Initiated GC"; 53 54 case _heap_inspection: 55 return "Heap Inspection Initiated GC"; 56 57 case _heap_dump: 58 return "Heap Dump Initiated GC"; 59 60 case _tenured_generation_full: 61 return "Tenured Generation Full"; 62 63 case _permanent_generation_full: 64 return "Permanent Generation Full"; 65 66 case _cms_generation_full: 67 return "CMS Generation Full"; 68 69 case _cms_initial_mark: 70 return "CMS Initial Mark"; 71 72 case _cms_final_remark: 73 return "CMS Final Remark"; 74 75 case _old_generation_expanded_on_last_scavenge: 76 return "Old Generation Expanded On Last Scavenge"; 77 78 case _old_generation_too_full_to_scavenge: 79 return "Old Generation Too Full To Scavenge"; 80 81 case _g1_inc_collection_pause: 82 return "G1 Evacuation Pause"; 83 84 case _last_ditch_collection: 85 return "Last ditch collection"; 86 87 case _last_gc_cause: 88 return "ILLEGAL VALUE - last gc cause - ILLEGAL VALUE"; 89 90 default: 91 return "unknown GCCause"; 92 } 93 ShouldNotReachHere(); 94 } 95 96 #ifndef PRODUCT 97 98 bool GCCause::is_for_full_collection(GCCause::Cause cause) { 99 bool result; 100 101 // There are more GCCause::Cause types than listed here. 102 // For brevity, we list only those that cause full collections. 103 switch (cause) { 104 case _allocation_failure: 105 case _tenured_generation_full: 106 case _permanent_generation_full: 107 case _cms_generation_full: 108 case _last_ditch_collection: 109 result = true; 110 break; 111 112 default: 113 result = false; 114 break; 115 } 116 return result; 117 } 118 119 #endif // PRODUCT