1 /* 2 * Copyright (c) 2002, 2015, 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 "precompiled.hpp" 26 #include "gc/shared/gcCause.hpp" 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 _gc_locker: 46 return "GCLocker Initiated GC"; 47 48 case _heap_inspection: 49 return "Heap Inspection Initiated GC"; 50 51 case _heap_dump: 52 return "Heap Dump Initiated GC"; 53 54 case _wb_young_gc: 55 return "WhiteBox Initiated Young GC"; 56 57 case _wb_conc_mark: 58 return "WhiteBox Initiated Concurrent Mark"; 59 60 case _wb_full_gc: 61 return "WhiteBox Initiated Full GC"; 62 63 case _update_allocation_context_stats_inc: 64 case _update_allocation_context_stats_full: 65 return "Update Allocation Context Stats"; 66 67 case _no_gc: 68 return "No GC"; 69 70 case _allocation_failure: 71 return "Allocation Failure"; 72 73 case _tenured_generation_full: 74 return "Tenured Generation Full"; 75 76 case _metadata_GC_threshold: 77 return "Metadata GC Threshold"; 78 79 case _metadata_GC_clear_soft_refs: 80 return "Metadata GC Clear Soft References"; 81 82 case _cms_generation_full: 83 return "CMS Generation Full"; 84 85 case _cms_initial_mark: 86 return "CMS Initial Mark"; 87 88 case _cms_final_remark: 89 return "CMS Final Remark"; 90 91 case _cms_concurrent_mark: 92 return "CMS Concurrent Mark"; 93 94 case _old_generation_expanded_on_last_scavenge: 95 return "Old Generation Expanded On Last Scavenge"; 96 97 case _old_generation_too_full_to_scavenge: 98 return "Old Generation Too Full To Scavenge"; 99 100 case _adaptive_size_policy: 101 return "Ergonomics"; 102 103 case _g1_inc_collection_pause: 104 return "G1 Evacuation Pause"; 105 106 case _g1_humongous_allocation: 107 return "G1 Humongous Allocation"; 108 109 case _dcmd_gc_run: 110 return "Diagnostic Command"; 111 112 case _last_gc_cause: 113 return "ILLEGAL VALUE - last gc cause - ILLEGAL VALUE"; 114 115 default: 116 return "unknown GCCause"; 117 } 118 ShouldNotReachHere(); 119 }