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test/runtime/contended/OopMaps.java@f90c822e73f8 (annotated)

test/runtime/contended/OopMaps.java

Wed, 27 Apr 2016 01:25:04 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:25:04 +0800

changeset 0

f90c822e73f8

child 6876

710a3c8b516e

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

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