jdk-sandbox: test/lib/sun/hotspot/gc/GC.java@2f1b308b4469 (annotated)

38629 0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	1	/*
49630 2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	2	* Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
38629 0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	4	*
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	5	* This code is free software; you can redistribute it and/or modify it
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	6	* under the terms of the GNU General Public License version 2 only, as
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	7	* published by the Free Software Foundation.
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	8	*
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	9	* This code is distributed in the hope that it will be useful, but WITHOUT
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	12	* version 2 for more details (a copy is included in the LICENSE file that
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	13	* accompanied this code).
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	14	*
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	15	* You should have received a copy of the GNU General Public License version
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	16	* 2 along with this work; if not, write to the Free Software Foundation,
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	18	*
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	20	* or visit www.oracle.com if you need additional information or have any
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	21	* questions.
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	22	*/
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	23
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	24	package sun.hotspot.gc;
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	25
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	26	import sun.hotspot.WhiteBox;
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	27
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	28	/**
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	29	* API to obtain information about selected and supported Garbage Collectors
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	30	* retrieved from the VM with the WhiteBox API.
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	31	*/
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	32	public enum GC {
49630 2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	33	/*
2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	34	* Enum values much match CollectedHeap::Name
2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	35	*/
38629 0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	36	Serial(1),
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	37	Parallel(2),
49630 2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	38	ConcMarkSweep(3),
2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	39	G1(4);
38629 0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	40
49630 2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	41	private static final WhiteBox WB = WhiteBox.getWhiteBox();
38629 0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	42
49630 2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	43	private final int name;
38629 0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	44
49630 2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	45	private GC(int name) {
2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	46	this.name = name;
38629 0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	47	}
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	48
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	49	/**
49630 2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	50	* @return true if this GC is supported by the VM
38629 0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	51	*/
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	52	public boolean isSupported() {
49630 2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	53	return WB.isGCSupported(name);
38629 0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	54	}
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	55
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	56	/**
49630 2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	57	* @return true if this GC is currently selected/used
38629 0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	58	*/
49630 2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	59	public boolean isSelected() {
2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	60	return WB.isGCSelected(name);
38629 0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	61	}
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	62
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	63	/**
49630 2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	64	* @return true if GC was selected ergonomically, as opposed
2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	65	* to being explicitly specified on the command line
38629 0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	66	*/
49630 2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	67	public static boolean isSelectedErgonomically() {
2f1b308b4469 8199927: Make WhiteBox more GC agnostic pliden parents: 41533 diff changeset	68	return WB.isGCSelectedErgonomically();
38629 0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	69	}
0602da3f94c9 8154096: Extend WhiteBox API with methods which retrieve from VM information about available GC dfazunen parents: diff changeset	70	}

author	pliden
	Wed, 28 Mar 2018 11:38:47 +0200
changeset 49630	2f1b308b4469
parent 41533	64e1caddf380
child 50523	7b7c75d87f9b
child 56540	ada11a8e2ebc
permissions	-rw-r--r--