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src/share/vm/gc_interface/gcCause.cpp@dce3f772de9f (annotated)

src/share/vm/gc_interface/gcCause.cpp

Thu, 11 Sep 2014 17:13:30 -0700

author

jcoomes

date

Thu, 11 Sep 2014 17:13:30 -0700

changeset 7176

dce3f772de9f

parent 7071

4bfc44ba0d19

child 7236

d3fd73295885

permissions

-rw-r--r--

8058235: identify GCs initiated to update allocation context stats
Reviewed-by: mikael, sjohanss

duke@435	1	/*
mikael@6198	2	* Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#include "precompiled.hpp"
stefank@2314	26	#include "gc_interface/gcCause.hpp"
duke@435	27
duke@435	28	const char* GCCause::to_string(GCCause::Cause cause) {
duke@435	29	switch (cause) {
duke@435	30	case _java_lang_system_gc:
duke@435	31	return "System.gc()";
duke@435	32
duke@435	33	case _full_gc_alot:
duke@435	34	return "FullGCAlot";
duke@435	35
duke@435	36	case _scavenge_alot:
duke@435	37	return "ScavengeAlot";
duke@435	38
duke@435	39	case _allocation_profiler:
duke@435	40	return "Allocation Profiler";
duke@435	41
duke@435	42	case _jvmti_force_gc:
duke@435	43	return "JvmtiEnv ForceGarbageCollection";
duke@435	44
duke@435	45	case _gc_locker:
duke@435	46	return "GCLocker Initiated GC";
duke@435	47
duke@435	48	case _heap_inspection:
duke@435	49	return "Heap Inspection Initiated GC";
duke@435	50
duke@435	51	case _heap_dump:
duke@435	52	return "Heap Dump Initiated GC";
duke@435	53
tschatzl@7071	54	case _wb_young_gc:
tschatzl@7071	55	return "WhiteBox Initiated Young GC";
tschatzl@7071	56
jcoomes@7176	57	case _update_allocation_context_stats:
jcoomes@7176	58	return "Update Allocation Context Stats";
jcoomes@7176	59
brutisso@3270	60	case _no_gc:
brutisso@3270	61	return "No GC";
brutisso@3270	62
brutisso@3270	63	case _allocation_failure:
brutisso@3270	64	return "Allocation Failure";
brutisso@3270	65
duke@435	66	case _tenured_generation_full:
duke@435	67	return "Tenured Generation Full";
duke@435	68
coleenp@4037	69	case _metadata_GC_threshold:
coleenp@4037	70	return "Metadata GC Threshold";
duke@435	71
duke@435	72	case _cms_generation_full:
duke@435	73	return "CMS Generation Full";
duke@435	74
duke@435	75	case _cms_initial_mark:
duke@435	76	return "CMS Initial Mark";
duke@435	77
duke@435	78	case _cms_final_remark:
duke@435	79	return "CMS Final Remark";
duke@435	80
sla@5237	81	case _cms_concurrent_mark:
sla@5237	82	return "CMS Concurrent Mark";
sla@5237	83
duke@435	84	case _old_generation_expanded_on_last_scavenge:
duke@435	85	return "Old Generation Expanded On Last Scavenge";
duke@435	86
duke@435	87	case _old_generation_too_full_to_scavenge:
duke@435	88	return "Old Generation Too Full To Scavenge";
duke@435	89
brutisso@3270	90	case _adaptive_size_policy:
brutisso@3270	91	return "Ergonomics";
brutisso@3270	92
tonyp@2011	93	case _g1_inc_collection_pause:
tonyp@2011	94	return "G1 Evacuation Pause";
tonyp@2011	95
brutisso@3456	96	case _g1_humongous_allocation:
brutisso@3456	97	return "G1 Humongous Allocation";
brutisso@3456	98
duke@435	99	case _last_ditch_collection:
duke@435	100	return "Last ditch collection";
duke@435	101
duke@435	102	case _last_gc_cause:
duke@435	103	return "ILLEGAL VALUE - last gc cause - ILLEGAL VALUE";
duke@435	104
duke@435	105	default:
duke@435	106	return "unknown GCCause";
duke@435	107	}
duke@435	108	ShouldNotReachHere();
duke@435	109	}