1 /*
2 * Copyright (c) 2018 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 /*
26 * @test
27 * @summary Test automatic relocation of archive heap regions dur to heap size changes.
28 * @requires vm.cds.archived.java.heap
29 * @requires (vm.gc=="null")
30 * @library /test/lib /test/hotspot/jtreg/runtime/appcds
31 * @modules jdk.jartool/sun.tools.jar
32 * @compile ../test-classes/Hello.java
33 * @build sun.hotspot.WhiteBox
34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
35 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. DifferentHeapSizes
36 */
37
38 import jdk.test.lib.process.OutputAnalyzer;
39 import sun.hotspot.WhiteBox;
40 import jdk.test.lib.cds.CDSTestUtils;
41
42 public class DifferentHeapSizes {
43 static final String DEDUP = "-XX:+UseStringDeduplication"; // This increases code coverage.
44
45 static class Scenario {
46 int dumpSize; // in MB
47 int runSizes[]; // in MB
48 Scenario(int ds, int... rs) {
49 dumpSize = ds;
50 runSizes = rs;
51 }
52 }
53
54 static Scenario[] scenarios = {
55 // dump -Xmx , run -Xmx
56 new Scenario( 32, 32, 64, 512, 2048, 4097, 16374, 31000),
57 new Scenario( 128, 32, 64, 512, 2048, 4097, 16374, 31000, 40000),
58 new Scenario( 2048, 32, 512, 2600, 4097, 8500, 31000, 40000),
59 new Scenario( 17000, 32, 512, 2048, 4097, 8500, 31000, 40000),
60 new Scenario( 31000, 32, 512, 2048, 4097, 8500, 17000, 40000)
61 };
62
63 public static void main(String[] args) throws Exception {
64 JarBuilder.getOrCreateHelloJar();
65 String appJar = TestCommon.getTestJar("hello.jar");
66 String appClasses[] = TestCommon.list("Hello");
67
68 for (Scenario s : scenarios) {
69 String dumpXmx = "-Xmx" + s.dumpSize + "m";
70 OutputAnalyzer output = TestCommon.dump(appJar, appClasses, dumpXmx);
71
72 for (int runSize : s.runSizes) {
73 String runXmx = "-Xmx" + runSize + "m";
74 CDSTestUtils.Result result = TestCommon.run("-cp", appJar, "-showversion",
75 "-Xlog:cds", runXmx, DEDUP, "Hello");
76 if (runSize < 32768) {
77 result
78 .assertNormalExit("Hello World")
79 .assertNormalExit(out -> {
80 out.shouldNotContain(CDSTestUtils.MSG_RANGE_NOT_WITHIN_HEAP);
81 out.shouldNotContain(CDSTestUtils.MSG_RANGE_ALREADT_IN_USE);
82 });
83 } else {
84 result.assertAbnormalExit("Unable to use shared archive: UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces.");
85 }
86 }
87 }
88
89 // Test various settings of -XX:HeapBaseMinAddress that would trigger
90 // "CDS heap data need to be relocated because the desired range ... is outside of the heap"
91 long default_base = WhiteBox.getWhiteBox().getSizeTVMFlag("HeapBaseMinAddress").longValue();
92 long M = 1024 * 1024;
93 long bases[] = new long[] {
94 /* dump xmx */ /* run xmx */ /* dump base */ /* run base */
95 128 * M, 128 * M, default_base, default_base + 256L * 1024 * 1024,
96 128 * M, 16376 * M, 0x0000000119200000L, -1,
97 };
98
99 for (int i = 0; i < bases.length; i += 4) {
100 String dump_xmx = getXmx(bases[i+0]);
101 String run_xmx = getXmx(bases[i+1]);
102 String dump_base = getHeapBaseMinAddress(bases[i+2]);
103 String run_base = getHeapBaseMinAddress(bases[i+3]);
104
105 TestCommon.dump(appJar, appClasses, dump_xmx, dump_base);
106 TestCommon.run("-cp", appJar, "-showversion", "-Xlog:cds", run_xmx, run_base, DEDUP, "Hello")
107 .assertNormalExit("Hello World")
108 .assertNormalExit(out -> {
109 out.shouldNotContain(CDSTestUtils.MSG_RANGE_NOT_WITHIN_HEAP);
110 out.shouldNotContain(CDSTestUtils.MSG_RANGE_ALREADT_IN_USE);
111 });
112 }
113 }
114
115 static String getXmx(long value) {
116 if (value < 0) {
117 return "-showversion"; // This is a harmless command line arg
118 } else {
119 return "-Xmx" + (value / 1024 / 1024) + "m";
120 }
121 }
122 static String getHeapBaseMinAddress(long value) {
123 if (value < 0) {
124 return "-showversion"; // This is a harmless command line arg
125 } else {
126 return "-XX:HeapBaseMinAddress=0x" + Long.toHexString(value);
127 }
128 }
129 }