1 /*
2 * Copyright (c) 2017, 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 Similar to GCDuringDumping.java, this test adds the -XX:SharedArchiveConfigFile
28 * option for testing the interaction with GC and shared strings.
29 * @library /test/lib /test/hotspot/jtreg/runtime/appcds /test/hotspot/jtreg/runtime/appcds/test-classes
30 * @requires (sun.arch.data.model != "32") & (os.family != "windows")
31 * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true)
32 * @requires vm.flavor != "minimal"
33 * @requires vm.gc.G1
34 * @modules java.base/jdk.internal.misc
35 * jdk.jartool/sun.tools.jar
36 * java.management
37 * @build sun.hotspot.WhiteBox GCDuringDumpTransformer GCSharedStringsDuringDumpWb
38 * @run main ClassFileInstaller sun.hotspot.WhiteBox
39 * @run main/othervm/timeout=480 GCSharedStringsDuringDump
40 */
41
42 import java.io.File;
43 import java.io.FileOutputStream;
44 import java.io.OutputStreamWriter;
45 import java.io.PrintWriter;
46 import jdk.test.lib.cds.CDSOptions;
47 import jdk.test.lib.process.OutputAnalyzer;
48 import jdk.test.lib.process.ProcessTools;
49 import sun.hotspot.WhiteBox;
50
51 public class GCSharedStringsDuringDump {
52 public static String appClasses[] = {
53 "GCSharedStringsDuringDumpWb",
54 };
55 public static String agentClasses[] = {
56 "GCDuringDumpTransformer",
57 };
58
59 public static void main(String[] args) throws Throwable {
60 String agentJar =
61 ClassFileInstaller.writeJar("GCDuringDumpTransformer.jar",
62 ClassFileInstaller.Manifest.fromSourceFile("GCDuringDumpTransformer.mf"),
63 agentClasses);
64
65 String appJar =
66 ClassFileInstaller.writeJar("GCSharedStringsDuringDumpApp.jar", appClasses);
67
68 String gcLog = "-Xlog:gc*=info,gc+region=trace,gc+alloc+region=debug";
69
70 String sharedArchiveCfgFile =
71 System.getProperty("user.dir") + File.separator + "GCSharedStringDuringDump_gen.txt";
72 try (FileOutputStream fos = new FileOutputStream(sharedArchiveCfgFile)) {
73 PrintWriter out = new PrintWriter(new OutputStreamWriter(fos));
74 out.println("VERSION: 1.0");
75 out.println("@SECTION: String");
76 out.println("31: shared_test_string_unique_14325");
77 for (int i=0; i<100000; i++) {
78 String s = "generated_string " + i;
79 out.println(s.length() + ": " + s);
80 }
81 out.close();
82 }
83
84 JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox");
85 String whiteBoxJar = TestCommon.getTestJar("WhiteBox.jar");
86 String bootClassPath = "-Xbootclasspath/a:" + whiteBoxJar;
87
88 for (int i=0; i<2; i++) {
89 // i = 0 -- run without agent = no extra GCs
90 // i = 1 -- run with agent = cause extra GCs
91
92 String extraArg = (i == 0) ? "-showversion" : "-javaagent:" + agentJar;
93
94 OutputAnalyzer output = TestCommon.dump(
95 appJar, TestCommon.list("GCSharedStringsDuringDumpWb"),
96 bootClassPath, extraArg, "-Xmx32m", gcLog,
97 "-XX:+UseCompressedOops", "-XX:+UseG1GC",
98 "-XX:SharedReadOnlySize=30m",
99 "-XX:SharedArchiveConfigFile=" + sharedArchiveCfgFile);
100
101 if (output.getStdout().contains("Too many string space regions") ||
102 output.getStderr().contains("Unable to write archive heap memory regions") ||
103 output.getStdout().contains("Try increasing NewSize") ||
104 !output.getStdout().contains("oa0 space:") ||
105 output.getExitValue() != 0) {
106 // Try again with larger heap and NewSize, this should increase the
107 // G1 heap region size to 2M
108 TestCommon.testDump(
109 appJar, TestCommon.list("GCSharedStringsDuringDumpWb"),
110 bootClassPath, extraArg, "-Xmx8g", "-XX:NewSize=8m", gcLog,
111 "-XX:+UseCompressedOops", "-XX:+UseG1GC",
112 "-XX:SharedReadOnlySize=30m",
113 "-XX:SharedArchiveConfigFile=" + sharedArchiveCfgFile);
114 }
115
116 output = TestCommon.execCommon(
117 "-cp", appJar,
118 bootClassPath,
119 "-Xmx32m",
120 "-XX:+PrintSharedSpaces",
121 "-XX:+UseCompressedOops",
122 "-XX:+UseG1GC",
123 "-XX:+UnlockDiagnosticVMOptions",
124 "-XX:+WhiteBoxAPI",
125 "-XX:SharedReadOnlySize=30m",
126 gcLog,
127 "GCSharedStringsDuringDumpWb");
128 TestCommon.checkExec(output);
129 }
130 }
131 }
132