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
28const 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}
120