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test/gc/g1/TestGCLogMessages.java@710a3c8b516e (annotated)

test/gc/g1/TestGCLogMessages.java

Tue, 08 Aug 2017 15:57:29 +0800

author

aoqi

date

Tue, 08 Aug 2017 15:57:29 +0800

changeset 6876

710a3c8b516e

parent 6413

595c0f60d50d

parent 0

f90c822e73f8

child 7535

7ae4e26cb1e0

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2014, 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	/*
aoqi@0	25	* @test TestPrintGCDetails
aoqi@0	26	* @bug 8035406 8027295 8035398
aoqi@0	27	* @summary Ensure that the PrintGCDetails output for a minor GC with G1
aoqi@0	28	* includes the expected necessary messages.
aoqi@0	29	* @key gc
aoqi@0	30	* @library /testlibrary
aoqi@0	31	*/
aoqi@0	32
aoqi@0	33	import com.oracle.java.testlibrary.ProcessTools;
aoqi@0	34	import com.oracle.java.testlibrary.OutputAnalyzer;
aoqi@0	35
aoqi@0	36	public class TestGCLogMessages {
aoqi@0	37	public static void main(String[] args) throws Exception {
aoqi@0	38	testNormalLogs();
aoqi@0	39	testWithToSpaceExhaustionLogs();
aoqi@0	40	}
aoqi@0	41
aoqi@0	42	private static void testNormalLogs() throws Exception {
aoqi@0	43
aoqi@0	44	ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
aoqi@0	45	"-Xmx10M",
aoqi@0	46	GCTest.class.getName());
aoqi@0	47
aoqi@0	48	OutputAnalyzer output = new OutputAnalyzer(pb.start());
aoqi@0	49
aoqi@0	50	output.shouldNotContain("[Redirty Cards");
aoqi@0	51	output.shouldNotContain("[Code Root Purge");
aoqi@0	52	output.shouldNotContain("[String Dedup Fixup");
aoqi@0	53	output.shouldNotContain("[Young Free CSet");
aoqi@0	54	output.shouldNotContain("[Non-Young Free CSet");
aoqi@0	55	output.shouldHaveExitValue(0);
aoqi@0	56
aoqi@0	57	pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
aoqi@0	58	"-XX:+UseStringDeduplication",
aoqi@0	59	"-Xmx10M",
aoqi@0	60	"-XX:+PrintGCDetails",
aoqi@0	61	GCTest.class.getName());
aoqi@0	62
aoqi@0	63	output = new OutputAnalyzer(pb.start());
aoqi@0	64
aoqi@0	65	output.shouldContain("[Redirty Cards");
aoqi@0	66	output.shouldContain("[Code Root Purge");
aoqi@0	67	output.shouldContain("[String Dedup Fixup");
aoqi@0	68	output.shouldNotContain("[Young Free CSet");
aoqi@0	69	output.shouldNotContain("[Non-Young Free CSet");
aoqi@0	70	output.shouldHaveExitValue(0);
aoqi@0	71
aoqi@0	72	pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
aoqi@0	73	"-XX:+UseStringDeduplication",
aoqi@0	74	"-Xmx10M",
aoqi@0	75	"-XX:+PrintGCDetails",
aoqi@0	76	"-XX:+UnlockExperimentalVMOptions",
aoqi@0	77	"-XX:G1LogLevel=finest",
aoqi@0	78	GCTest.class.getName());
aoqi@0	79
aoqi@0	80	output = new OutputAnalyzer(pb.start());
aoqi@0	81
aoqi@0	82	output.shouldContain("[Redirty Cards");
aoqi@0	83	output.shouldContain("[Code Root Purge");
aoqi@0	84	output.shouldContain("[String Dedup Fixup");
aoqi@0	85	output.shouldContain("[Young Free CSet");
aoqi@0	86	output.shouldContain("[Non-Young Free CSet");
aoqi@0	87
aoqi@0	88	// also check evacuation failure messages once
aoqi@0	89	output.shouldNotContain("[Evacuation Failure");
aoqi@0	90	output.shouldNotContain("[Recalculate Used");
aoqi@0	91	output.shouldNotContain("[Remove Self Forwards");
aoqi@0	92	output.shouldNotContain("[Restore RemSet");
aoqi@0	93	output.shouldHaveExitValue(0);
aoqi@0	94	}
aoqi@0	95
aoqi@0	96	private static void testWithToSpaceExhaustionLogs() throws Exception {
aoqi@0	97	ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
aoqi@0	98	"-Xmx10M",
aoqi@0	99	"-Xmn5M",
aoqi@0	100	"-XX:+PrintGCDetails",
aoqi@0	101	GCTestWithToSpaceExhaustion.class.getName());
aoqi@0	102
aoqi@0	103	OutputAnalyzer output = new OutputAnalyzer(pb.start());
aoqi@0	104	output.shouldContain("[Evacuation Failure");
aoqi@0	105	output.shouldNotContain("[Recalculate Used");
aoqi@0	106	output.shouldNotContain("[Remove Self Forwards");
aoqi@0	107	output.shouldNotContain("[Restore RemSet");
aoqi@0	108	output.shouldHaveExitValue(0);
aoqi@0	109
aoqi@0	110	pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
aoqi@0	111	"-Xmx10M",
aoqi@0	112	"-Xmn5M",
aoqi@0	113	"-XX:+PrintGCDetails",
aoqi@0	114	"-XX:+UnlockExperimentalVMOptions",
aoqi@0	115	"-XX:G1LogLevel=finest",
aoqi@0	116	GCTestWithToSpaceExhaustion.class.getName());
aoqi@0	117
aoqi@0	118	output = new OutputAnalyzer(pb.start());
aoqi@0	119	output.shouldContain("[Evacuation Failure");
aoqi@0	120	output.shouldContain("[Recalculate Used");
aoqi@0	121	output.shouldContain("[Remove Self Forwards");
aoqi@0	122	output.shouldContain("[Restore RemSet");
aoqi@0	123	output.shouldHaveExitValue(0);
aoqi@0	124	}
aoqi@0	125
aoqi@0	126	static class GCTest {
aoqi@0	127	private static byte[] garbage;
aoqi@0	128	public static void main(String [] args) {
aoqi@0	129	System.out.println("Creating garbage");
aoqi@0	130	// create 128MB of garbage. This should result in at least one GC
aoqi@0	131	for (int i = 0; i < 1024; i++) {
aoqi@0	132	garbage = new byte[128 * 1024];
aoqi@0	133	}
aoqi@0	134	System.out.println("Done");
aoqi@0	135	}
aoqi@0	136	}
aoqi@0	137
aoqi@0	138	static class GCTestWithToSpaceExhaustion {
aoqi@0	139	private static byte[] garbage;
aoqi@0	140	private static byte[] largeObject;
aoqi@0	141	public static void main(String [] args) {
aoqi@0	142	largeObject = new byte[5*1024*1024];
aoqi@0	143	System.out.println("Creating garbage");
aoqi@0	144	// create 128MB of garbage. This should result in at least one GC,
aoqi@0	145	// some of them with to-space exhaustion.
aoqi@0	146	for (int i = 0; i < 1024; i++) {
aoqi@0	147	garbage = new byte[128 * 1024];
aoqi@0	148	}
aoqi@0	149	System.out.println("Done");
aoqi@0	150	}
aoqi@0	151	}
aoqi@0	152	}