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 = "-Xlog:gc*=info,gc+region=trace,gc+alloc+region=debug";
66
67 String sharedArchiveCfgFile =
68 System.getProperty("user.dir") + File.separator + "GCSharedStringDuringDump_gen.txt";
69 try (FileOutputStream fos = new FileOutputStream(sharedArchiveCfgFile)) {
70 PrintWriter out = new PrintWriter(new OutputStreamWriter(fos));
71 out.println("VERSION: 1.0");
72 out.println("@SECTION: String");
73 out.println("31: shared_test_string_unique_14325");
74 for (int i=0; i<100000; i++) {
75 String s = "generated_string " + i;
76 out.println(s.length() + ": " + s);
77 }
78 out.close();
79 }
80
81 JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox");
82 String whiteBoxJar = TestCommon.getTestJar("WhiteBox.jar");
83 String bootClassPath = "-Xbootclasspath/a:" + whiteBoxJar;
84
85 for (int i=0; i<2; i++) {
86 // i = 0 -- run without agent = no extra GCs
87 // i = 1 -- run with agent = cause extra GCs
88
89 String extraArg = (i == 0) ? "-showversion" : "-javaagent:" + agentJar;
90
91 OutputAnalyzer output = TestCommon.dump(
92 appJar, TestCommon.list("GCSharedStringsDuringDumpWb"),
93 bootClassPath, extraArg, "-Xmx32m", gcLog,
94 "-XX:SharedArchiveConfigFile=" + sharedArchiveCfgFile);
95
96 if (output.getStdout().contains("Too many string space regions") ||
97 output.getStderr().contains("Unable to write archive heap memory regions") ||
98 output.getStdout().contains("Try increasing NewSize") ||
99 !output.getStdout().contains("oa0 space:") ||
100 output.getExitValue() != 0) {
101 // Try again with larger heap and NewSize, this should increase the
102 // G1 heap region size to 2M
103 TestCommon.testDump(
104 appJar, TestCommon.list("GCSharedStringsDuringDumpWb"),
105 bootClassPath, extraArg, "-Xmx8g", "-XX:NewSize=8m", gcLog,
106 "-XX:SharedArchiveConfigFile=" + sharedArchiveCfgFile);
107 }
108
109 TestCommon.run(
110 "-cp", appJar,
111 bootClassPath,
112 "-Xmx32m",
113 "-XX:+PrintSharedSpaces",
114 "-XX:+UnlockDiagnosticVMOptions",
115 "-XX:+WhiteBoxAPI",
116 "-XX:SharedReadOnlySize=30m",
117 gcLog,
118 "GCSharedStringsDuringDumpWb")
119 .assertNormalExit();
120 }
121 }
122 }
123
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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 sharedArchiveCfgFile =
66 System.getProperty("user.dir") + File.separator + "GCSharedStringDuringDump_gen.txt";
67 try (FileOutputStream fos = new FileOutputStream(sharedArchiveCfgFile)) {
68 PrintWriter out = new PrintWriter(new OutputStreamWriter(fos));
69 out.println("VERSION: 1.0");
70 out.println("@SECTION: String");
71 out.println("31: shared_test_string_unique_14325");
72 for (int i=0; i<100000; i++) {
73 String s = "generated_string " + i;
74 out.println(s.length() + ": " + s);
75 }
76 out.close();
77 }
78
79 JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox");
80 String whiteBoxJar = TestCommon.getTestJar("WhiteBox.jar");
81 String bootClassPath = "-Xbootclasspath/a:" + whiteBoxJar;
82
83 for (int i=0; i<2; i++) {
84 // i = 0 -- run without agent = no extra GCs
85 // i = 1 -- run with agent = cause extra GCs
86
87 String extraArg = (i == 0) ? "-showversion" : "-javaagent:" + agentJar;
88
89 OutputAnalyzer output = TestCommon.dump(
90 appJar, TestCommon.list("GCSharedStringsDuringDumpWb"),
91 bootClassPath, extraArg, "-Xmx32m",
92 "-XX:SharedArchiveConfigFile=" + sharedArchiveCfgFile);
93
94 if (output.getStdout().contains("Too many string space regions") ||
95 output.getStderr().contains("Unable to write archive heap memory regions") ||
96 output.getStdout().contains("Try increasing NewSize") ||
97 !output.getStdout().contains("oa0 space:") ||
98 output.getExitValue() != 0) {
99 // Try again with larger heap and NewSize, this should increase the
100 // G1 heap region size to 2M
101 TestCommon.testDump(
102 appJar, TestCommon.list("GCSharedStringsDuringDumpWb"),
103 bootClassPath, extraArg, "-Xmx8g", "-XX:NewSize=8m",
104 "-XX:SharedArchiveConfigFile=" + sharedArchiveCfgFile);
105 }
106
107 TestCommon.run(
108 "-cp", appJar,
109 bootClassPath,
110 "-Xmx32m",
111 "-XX:+PrintSharedSpaces",
112 "-XX:+UnlockDiagnosticVMOptions",
113 "-XX:+WhiteBoxAPI",
114 "-XX:SharedReadOnlySize=30m",
115 "GCSharedStringsDuringDumpWb")
116 .assertNormalExit();
117 }
118 }
119 }
120
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