• file
• revisions
• annotate
• diff
• comparison
• raw

test/gc/TestMemoryMXBeansAndPoolsPresence.java@8c95980d0b66 (annotated)

test/gc/TestMemoryMXBeansAndPoolsPresence.java

Sat, 07 Nov 2020 10:30:02 +0800

author

aoqi

date

Sat, 07 Nov 2020 10:30:02 +0800

changeset 10026

8c95980d0b66

parent 9608

4b8584c24ff4

permissions

-rw-r--r--

Added tag mips-jdk8u275-b01 for changeset d3b4d62f391f

phh@9608	1	/*
phh@9608	2	* Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
phh@9608	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
phh@9608	4	*
phh@9608	5	* This code is free software; you can redistribute it and/or modify it
phh@9608	6	* under the terms of the GNU General Public License version 2 only, as
phh@9608	7	* published by the Free Software Foundation.
phh@9608	8	*
phh@9608	9	* This code is distributed in the hope that it will be useful, but WITHOUT
phh@9608	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
phh@9608	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
phh@9608	12	* version 2 for more details (a copy is included in the LICENSE file that
phh@9608	13	* accompanied this code).
phh@9608	14	*
phh@9608	15	* You should have received a copy of the GNU General Public License version
phh@9608	16	* 2 along with this work; if not, write to the Free Software Foundation,
phh@9608	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
phh@9608	18	*
phh@9608	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
phh@9608	20	* or visit www.oracle.com if you need additional information or have any
phh@9608	21	* questions.
phh@9608	22	*/
phh@9608	23
phh@9608	24	/* @test TestMemoryMXBeansAndPoolsPresence
phh@9608	25	* @key gc
phh@9608	26	* @bug 8191564
phh@9608	27	* @summary Tests that GarbageCollectorMXBeans and GC MemoryPools are created.
phh@9608	28	* @library /testlibrary
phh@9608	29	* @requires vm.gc == null
phh@9608	30	* @run main/othervm -XX:+UseParallelGC TestMemoryMXBeansAndPoolsPresence Parallel
phh@9608	31	* @run main/othervm -XX:+UseSerialGC TestMemoryMXBeansAndPoolsPresence Serial
phh@9608	32	* @run main/othervm -XX:+UseConcMarkSweepGC TestMemoryMXBeansAndPoolsPresence CMS
phh@9608	33	* @run main/othervm -XX:+UseG1GC TestMemoryMXBeansAndPoolsPresence G1
phh@9608	34	*/
phh@9608	35
phh@9608	36	import java.util.List;
phh@9608	37	import java.util.ArrayList;
phh@9608	38	import java.lang.management.*;
phh@9608	39	import java.util.stream.*;
phh@9608	40
phh@9608	41	import com.oracle.java.testlibrary.Asserts;
phh@9608	42
phh@9608	43	class GCBeanDescription {
phh@9608	44	public String name;
phh@9608	45	public String[] poolNames;
phh@9608	46
phh@9608	47	public GCBeanDescription(String name, String[] poolNames) {
phh@9608	48	this.name = name;
phh@9608	49	this.poolNames = poolNames;
phh@9608	50	}
phh@9608	51	}
phh@9608	52
phh@9608	53	public class TestMemoryMXBeansAndPoolsPresence {
phh@9608	54	public static void test(GCBeanDescription... expectedBeans) {
phh@9608	55	List<MemoryPoolMXBean> memoryPools = ManagementFactory.getMemoryPoolMXBeans();
phh@9608	56
phh@9608	57	List<GarbageCollectorMXBean> gcBeans = ManagementFactory.getGarbageCollectorMXBeans();
phh@9608	58	Asserts.assertEQ(expectedBeans.length, gcBeans.size());
phh@9608	59
phh@9608	60	for (GCBeanDescription desc : expectedBeans) {
phh@9608	61	List<GarbageCollectorMXBean> beans = gcBeans.stream()
phh@9608	62	.filter(b -> b.getName().equals(desc.name))
phh@9608	63	.collect(Collectors.toList());
phh@9608	64	Asserts.assertEQ(beans.size(), 1);
phh@9608	65
phh@9608	66	GarbageCollectorMXBean bean = beans.get(0);
phh@9608	67	Asserts.assertEQ(desc.name, bean.getName());
phh@9608	68
phh@9608	69	String[] pools = bean.getMemoryPoolNames();
phh@9608	70	Asserts.assertEQ(desc.poolNames.length, pools.length);
phh@9608	71	for (int i = 0; i < desc.poolNames.length; i++) {
phh@9608	72	Asserts.assertEQ(desc.poolNames[i], pools[i]);
phh@9608	73	}
phh@9608	74	}
phh@9608	75	}
phh@9608	76
phh@9608	77	public static void main(String[] args) {
phh@9608	78	switch (args[0]) {
phh@9608	79	case "G1":
phh@9608	80	test(new GCBeanDescription("G1 Young Generation", new String[] {"G1 Eden Space", "G1 Survivor Space", "G1 Old Gen"}),
phh@9608	81	new GCBeanDescription("G1 Old Generation", new String[] {"G1 Eden Space", "G1 Survivor Space", "G1 Old Gen"}));
phh@9608	82	break;
phh@9608	83	case "CMS":
phh@9608	84	test(new GCBeanDescription("ParNew", new String[] {"Par Eden Space", "Par Survivor Space"}),
phh@9608	85	new GCBeanDescription("ConcurrentMarkSweep", new String[] {"Par Eden Space", "Par Survivor Space", "CMS Old Gen"}));
phh@9608	86	break;
phh@9608	87	case "Parallel":
phh@9608	88	test(new GCBeanDescription("PS Scavenge", new String[] {"PS Eden Space", "PS Survivor Space"}),
phh@9608	89	new GCBeanDescription("PS MarkSweep", new String[] {"PS Eden Space", "PS Survivor Space", "PS Old Gen"}));
phh@9608	90	break;
phh@9608	91	case "Serial":
phh@9608	92	test(new GCBeanDescription("Copy", new String[] {"Eden Space", "Survivor Space"}),
phh@9608	93	new GCBeanDescription("MarkSweepCompact", new String[] {"Eden Space", "Survivor Space", "Tenured Gen"}));
phh@9608	94	break;
phh@9608	95	default:
phh@9608	96	Asserts.assertTrue(false);
phh@9608	97	break;
phh@9608	98
phh@9608	99	}
phh@9608	100	}
phh@9608	101	}