Mercurial > hg > truffle
comparison test/gc/arguments/TestMaxNewSize.java @ 13060:8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
7057939: jmap shows MaxNewSize=4GB when Java is using parallel collector
Summary: Major cleanup of the collectorpolicy classes
Reviewed-by: tschatzl, jcoomes
author | jwilhelm |
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date | Fri, 01 Nov 2013 17:09:38 +0100 |
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13059:46d7652b223c | 13060:8f07aa079343 |
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1 /* | |
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 | |
24 /* | |
25 * @test TestMaxNewSize | |
26 * @key gc | |
27 * @bug 7057939 | |
28 * @summary Make sure that MaxNewSize always has a useful value after argument | |
29 * processing. | |
30 * @library /testlibrary | |
31 * @build TestMaxNewSize | |
32 * @run main TestMaxNewSize -XX:+UseSerialGC | |
33 * @run main TestMaxNewSize -XX:+UseParallelGC | |
34 * @run main TestMaxNewSize -XX:+UseConcMarkSweepGC | |
35 * @run main TestMaxNewSize -XX:+UseG1GC | |
36 * @author thomas.schatzl@oracle.com, jesper.wilhelmsson@oracle.com | |
37 */ | |
38 | |
39 import java.util.regex.Matcher; | |
40 import java.util.regex.Pattern; | |
41 | |
42 import java.math.BigInteger; | |
43 | |
44 import java.util.ArrayList; | |
45 import java.util.Arrays; | |
46 | |
47 import com.oracle.java.testlibrary.*; | |
48 | |
49 public class TestMaxNewSize { | |
50 | |
51 private static void checkMaxNewSize(String[] flags, int heapsize) throws Exception { | |
52 BigInteger actual = new BigInteger(getMaxNewSize(flags)); | |
53 System.out.println(actual); | |
54 if (actual.compareTo(new BigInteger((new Long(heapsize)).toString())) == 1) { | |
55 throw new RuntimeException("MaxNewSize value set to \"" + actual + | |
56 "\", expected otherwise when running with the following flags: " + Arrays.asList(flags).toString()); | |
57 } | |
58 } | |
59 | |
60 private static void checkIncompatibleNewSize(String[] flags) throws Exception { | |
61 ArrayList<String> finalargs = new ArrayList<String>(); | |
62 finalargs.addAll(Arrays.asList(flags)); | |
63 finalargs.add("-version"); | |
64 | |
65 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(finalargs.toArray(new String[0])); | |
66 OutputAnalyzer output = new OutputAnalyzer(pb.start()); | |
67 output.shouldContain("Initial young gen size set larger than the maximum young gen size"); | |
68 } | |
69 | |
70 private static boolean isRunningG1(String[] args) { | |
71 for (int i = 0; i < args.length; i++) { | |
72 if (args[i].contains("+UseG1GC")) { | |
73 return true; | |
74 } | |
75 } | |
76 return false; | |
77 } | |
78 | |
79 private static String getMaxNewSize(String[] flags) throws Exception { | |
80 ArrayList<String> finalargs = new ArrayList<String>(); | |
81 finalargs.addAll(Arrays.asList(flags)); | |
82 if (isRunningG1(flags)) { | |
83 finalargs.add("-XX:G1HeapRegionSize=1M"); | |
84 } | |
85 finalargs.add("-XX:+PrintFlagsFinal"); | |
86 finalargs.add("-version"); | |
87 | |
88 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(finalargs.toArray(new String[0])); | |
89 OutputAnalyzer output = new OutputAnalyzer(pb.start()); | |
90 output.shouldHaveExitValue(0); | |
91 String stdout = output.getStdout(); | |
92 //System.out.println(stdout); | |
93 return getFlagValue("MaxNewSize", stdout); | |
94 } | |
95 | |
96 private static String getFlagValue(String flag, String where) { | |
97 Matcher m = Pattern.compile(flag + "\\s+:?=\\s+\\d+").matcher(where); | |
98 if (!m.find()) { | |
99 throw new RuntimeException("Could not find value for flag " + flag + " in output string"); | |
100 } | |
101 String match = m.group(); | |
102 return match.substring(match.lastIndexOf(" ") + 1, match.length()); | |
103 } | |
104 | |
105 public static void main(String args[]) throws Exception { | |
106 String gcName = args[0]; | |
107 final int M32 = 32 * 1024 * 1024; | |
108 final int M64 = 64 * 1024 * 1024; | |
109 final int M96 = 96 * 1024 * 1024; | |
110 final int M128 = 128 * 1024 * 1024; | |
111 checkMaxNewSize(new String[] { gcName, "-Xmx128M" }, M128); | |
112 checkMaxNewSize(new String[] { gcName, "-Xmx128M", "-XX:NewRatio=5" }, M128); | |
113 checkMaxNewSize(new String[] { gcName, "-Xmx128M", "-XX:NewSize=32M" }, M128); | |
114 checkMaxNewSize(new String[] { gcName, "-Xmx128M", "-XX:OldSize=96M" }, M128); | |
115 checkMaxNewSize(new String[] { gcName, "-Xmx128M", "-XX:MaxNewSize=32M" }, M32); | |
116 checkMaxNewSize(new String[] { gcName, "-Xmx128M", "-XX:NewSize=32M", "-XX:MaxNewSize=32M" }, M32); | |
117 checkMaxNewSize(new String[] { gcName, "-Xmx128M", "-XX:NewRatio=6", "-XX:MaxNewSize=32M" }, M32); | |
118 checkMaxNewSize(new String[] { gcName, "-Xmx128M", "-Xms96M" }, M128); | |
119 checkMaxNewSize(new String[] { gcName, "-Xmx96M", "-Xms96M" }, M96); | |
120 checkMaxNewSize(new String[] { gcName, "-XX:NewSize=128M", "-XX:MaxNewSize=50M"}, M128); | |
121 } | |
122 } |