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