--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/cds/appcds/javaldr/GCSharedStringsDuringDump.java Mon Jul 29 10:34:20 2019 -0400
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * @test
+ * @summary Similar to GCDuringDumping.java, this test adds the -XX:SharedArchiveConfigFile
+ * option for testing the interaction with GC and shared strings.
+ * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds /test/hotspot/jtreg/runtime/cds/appcds/test-classes
+ * @requires vm.cds.archived.java.heap
+ * @modules java.base/jdk.internal.misc
+ * jdk.jartool/sun.tools.jar
+ * java.management
+ * @build sun.hotspot.WhiteBox GCDuringDumpTransformer GCSharedStringsDuringDumpWb
+ * @run driver ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm/timeout=480 GCSharedStringsDuringDump
+ */
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import jdk.test.lib.cds.CDSOptions;
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+import sun.hotspot.WhiteBox;
+
+public class GCSharedStringsDuringDump {
+ public static String appClasses[] = {
+ "GCSharedStringsDuringDumpWb",
+ };
+ public static String agentClasses[] = {
+ "GCDuringDumpTransformer",
+ };
+
+ public static void main(String[] args) throws Throwable {
+ String agentJar =
+ ClassFileInstaller.writeJar("GCDuringDumpTransformer.jar",
+ ClassFileInstaller.Manifest.fromSourceFile("GCDuringDumpTransformer.mf"),
+ agentClasses);
+
+ String appJar =
+ ClassFileInstaller.writeJar("GCSharedStringsDuringDumpApp.jar", appClasses);
+
+ String gcLog = Boolean.getBoolean("test.cds.verbose.gc") ?
+ "-Xlog:gc*=info,gc+region=trace,gc+alloc+region=debug" : "-showversion";
+
+ String sharedArchiveCfgFile =
+ System.getProperty("user.dir") + File.separator + "GCSharedStringDuringDump_gen.txt";
+ try (FileOutputStream fos = new FileOutputStream(sharedArchiveCfgFile)) {
+ PrintWriter out = new PrintWriter(new OutputStreamWriter(fos));
+ out.println("VERSION: 1.0");
+ out.println("@SECTION: String");
+ out.println("31: shared_test_string_unique_14325");
+ for (int i=0; i<100000; i++) {
+ String s = "generated_string " + i;
+ out.println(s.length() + ": " + s);
+ }
+ out.close();
+ }
+
+ JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox");
+ String whiteBoxJar = TestCommon.getTestJar("WhiteBox.jar");
+ String bootClassPath = "-Xbootclasspath/a:" + whiteBoxJar;
+
+ for (int i=0; i<2; i++) {
+ // i = 0 -- run without agent = no extra GCs
+ // i = 1 -- run with agent = cause extra GCs
+
+ String extraArg = (i == 0) ? "-showversion" : "-javaagent:" + agentJar;
+ String extraOption = (i == 0) ? "-showversion" : "-XX:+AllowArchivingWithJavaAgent";
+ OutputAnalyzer output = TestCommon.dump(
+ appJar, TestCommon.list("GCSharedStringsDuringDumpWb"),
+ bootClassPath, extraArg, "-Xmx32m", gcLog,
+ "-XX:SharedArchiveConfigFile=" + sharedArchiveCfgFile,
+ "-XX:+UnlockDiagnosticVMOptions", extraOption);
+
+ if (output.getStdout().contains("Too many string space regions") ||
+ output.getStderr().contains("Unable to write archive heap memory regions") ||
+ output.getStdout().contains("Try increasing NewSize") ||
+ !output.getStdout().contains("oa0 space:") ||
+ output.getExitValue() != 0) {
+ // Try again with larger heap and NewSize, this should increase the
+ // G1 heap region size to 2M
+ TestCommon.testDump(
+ appJar, TestCommon.list("GCSharedStringsDuringDumpWb"),
+ bootClassPath, extraArg, "-Xmx8g", "-XX:NewSize=8m", gcLog,
+ "-XX:SharedArchiveConfigFile=" + sharedArchiveCfgFile,
+ "-XX:+UnlockDiagnosticVMOptions", extraOption);
+ }
+
+ TestCommon.run(
+ "-cp", appJar,
+ bootClassPath,
+ extraArg,
+ "-Xlog:cds=info,class+path=info",
+ "-Xmx32m",
+ "-XX:+PrintSharedSpaces",
+ "-XX:+UnlockDiagnosticVMOptions",
+ extraOption,
+ "-XX:+WhiteBoxAPI",
+ "-XX:SharedReadOnlySize=30m",
+ gcLog,
+ "GCSharedStringsDuringDumpWb")
+ .assertNormalExit();
+ }
+ }
+}
+