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test/runtime/contended/OopMaps.java@cb2e4b603dcb (annotated)

test/runtime/contended/OopMaps.java

Sat, 11 Jan 2014 17:18:22 +0000

author

coffeys

date

Sat, 11 Jan 2014 17:18:22 +0000

changeset 6202

cb2e4b603dcb

parent 5185

01c2bdd24bb5

child 6876

710a3c8b516e

permissions

-rw-r--r--

Added tag jdk8u20-b00 for changeset c89630a122b4

shade@5181	1	/*
shade@5181	2	* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
shade@5181	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
shade@5181	4	*
shade@5181	5	* This code is free software; you can redistribute it and/or modify it
shade@5181	6	* under the terms of the GNU General Public License version 2 only, as
shade@5181	7	* published by the Free Software Foundation.
shade@5181	8	*
shade@5181	9	* This code is distributed in the hope that it will be useful, but WITHOUT
shade@5181	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
shade@5181	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
shade@5181	12	* version 2 for more details (a copy is included in the LICENSE file that
shade@5181	13	* accompanied this code).
shade@5181	14	*
shade@5181	15	* You should have received a copy of the GNU General Public License version
shade@5181	16	* 2 along with this work; if not, write to the Free Software Foundation,
shade@5181	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
shade@5181	18	*
shade@5181	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
shade@5181	20	* or visit www.oracle.com if you need additional information or have any
shade@5181	21	* questions.
shade@5181	22	*/
shade@5181	23
shade@5181	24	import java.io.BufferedReader;
shade@5181	25	import java.io.InputStreamReader;
shade@5181	26	import java.lang.Class;
shade@5181	27	import java.lang.String;
shade@5181	28	import java.lang.System;
shade@5181	29	import java.lang.management.ManagementFactory;
shade@5181	30	import java.lang.management.RuntimeMXBean;
shade@5181	31	import java.util.ArrayList;
shade@5181	32	import java.util.List;
shade@5181	33	import java.util.concurrent.CyclicBarrier;
shade@5181	34	import java.util.regex.Matcher;
shade@5181	35	import java.util.regex.Pattern;
shade@5181	36	import java.lang.reflect.Field;
shade@5181	37	import java.lang.reflect.Modifier;
shade@5181	38	import sun.misc.Unsafe;
shade@5181	39	import sun.misc.Contended;
shade@5181	40
shade@5181	41	/*
shade@5181	42	* @test
shade@5181	43	* @bug 8015270
shade@5185	44	* @bug 8015493
shade@5181	45	* @summary \@Contended: fix multiple issues in the layout code
shade@5181	46	*
shade@5185	47	* @run main/othervm -XX:-RestrictContended -XX:ContendedPaddingWidth=128 -Xmx128m OopMaps
shade@5181	48	*/
shade@5181	49	public class OopMaps {
shade@5181	50
shade@5185	51	public static final int COUNT = 10000;
shade@5185	52
shade@5181	53	public static void main(String[] args) throws Exception {
shade@5181	54	Object o01 = new Object();
shade@5181	55	Object o02 = new Object();
shade@5181	56	Object o03 = new Object();
shade@5181	57	Object o04 = new Object();
shade@5181	58	Object o05 = new Object();
shade@5181	59	Object o06 = new Object();
shade@5181	60	Object o07 = new Object();
shade@5181	61	Object o08 = new Object();
shade@5181	62	Object o09 = new Object();
shade@5181	63	Object o10 = new Object();
shade@5181	64	Object o11 = new Object();
shade@5181	65	Object o12 = new Object();
shade@5181	66	Object o13 = new Object();
shade@5181	67	Object o14 = new Object();
shade@5181	68
shade@5181	69	R1[] rs = new R1[COUNT];
shade@5181	70
shade@5181	71	for (int i = 0; i < COUNT; i++) {
shade@5181	72	R1 r1 = new R1();
shade@5181	73	r1.o01 = o01;
shade@5181	74	r1.o02 = o02;
shade@5181	75	r1.o03 = o03;
shade@5181	76	r1.o04 = o04;
shade@5181	77	r1.o05 = o05;
shade@5181	78	r1.o06 = o06;
shade@5181	79	r1.o07 = o07;
shade@5181	80	r1.o08 = o08;
shade@5181	81	r1.o09 = o09;
shade@5181	82	r1.o10 = o10;
shade@5181	83	r1.o11 = o11;
shade@5181	84	r1.o12 = o12;
shade@5181	85	r1.o13 = o13;
shade@5181	86	r1.o14 = o14;
shade@5181	87	r1.i1 = 1;
shade@5181	88	r1.i2 = 2;
shade@5181	89	r1.i3 = 3;
shade@5181	90	r1.i4 = 4;
shade@5181	91	rs[i] = r1;
shade@5181	92	}
shade@5181	93
shade@5181	94	System.gc();
shade@5181	95
shade@5181	96	for (int i = 0; i < COUNT; i++) {
shade@5181	97	R1 r1 = rs[i];
shade@5181	98	if (r1.o01 != o01) throw new Error("Test Error: o01");
shade@5181	99	if (r1.o02 != o02) throw new Error("Test Error: o02");
shade@5181	100	if (r1.o03 != o03) throw new Error("Test Error: o03");
shade@5181	101	if (r1.o04 != o04) throw new Error("Test Error: o04");
shade@5181	102	if (r1.o05 != o05) throw new Error("Test Error: o05");
shade@5181	103	if (r1.o06 != o06) throw new Error("Test Error: o06");
shade@5181	104	if (r1.o07 != o07) throw new Error("Test Error: o07");
shade@5181	105	if (r1.o08 != o08) throw new Error("Test Error: o08");
shade@5181	106	if (r1.o09 != o09) throw new Error("Test Error: o09");
shade@5181	107	if (r1.o10 != o10) throw new Error("Test Error: o10");
shade@5181	108	if (r1.o11 != o11) throw new Error("Test Error: o11");
shade@5181	109	if (r1.o12 != o12) throw new Error("Test Error: o12");
shade@5181	110	if (r1.o13 != o13) throw new Error("Test Error: o13");
shade@5181	111	if (r1.o14 != o14) throw new Error("Test Error: o14");
shade@5181	112	if (r1.i1 != 1) throw new Error("Test Error: i1");
shade@5181	113	if (r1.i2 != 2) throw new Error("Test Error: i2");
shade@5181	114	if (r1.i3 != 3) throw new Error("Test Error: i3");
shade@5181	115	if (r1.i4 != 4) throw new Error("Test Error: i4");
shade@5181	116	}
shade@5181	117	}
shade@5181	118
shade@5181	119	public static class R0 {
shade@5181	120	int i1;
shade@5181	121	int i2;
shade@5181	122
shade@5181	123	Object o01;
shade@5181	124	Object o02;
shade@5181	125
shade@5181	126	@Contended
shade@5181	127	Object o03;
shade@5181	128
shade@5181	129	@Contended
shade@5181	130	Object o04;
shade@5181	131
shade@5181	132	@Contended
shade@5181	133	Object o05;
shade@5181	134
shade@5181	135	@Contended
shade@5181	136	Object o06;
shade@5181	137
shade@5181	138	@Contended
shade@5181	139	Object o07;
shade@5181	140	}
shade@5181	141
shade@5181	142	public static class R1 extends R0 {
shade@5181	143	int i3;
shade@5181	144	int i4;
shade@5181	145
shade@5181	146	Object o08;
shade@5181	147	Object o09;
shade@5181	148
shade@5181	149	@Contended
shade@5181	150	Object o10;
shade@5181	151
shade@5181	152	@Contended
shade@5181	153	Object o11;
shade@5181	154
shade@5181	155	@Contended
shade@5181	156	Object o12;
shade@5181	157
shade@5181	158	@Contended
shade@5181	159	Object o13;
shade@5181	160
shade@5181	161	@Contended
shade@5181	162	Object o14;
shade@5181	163	}
shade@5181	164
shade@5181	165	}
shade@5181	166