changeset 56487:a64caa5269cf

8227645: Some tests in serviceability/sa run with fixed -Xmx values and risk running out of memory Summary: move tests to seprate directory Reviewed-by: dtitov, jcbeyler, ctornqvi, sspitsyn
author cjplummer
date Fri, 09 Aug 2019 11:27:08 -0700
parents 90688c5ff482
children 072f27397b69
files test/hotspot/jtreg/TEST.groups test/hotspot/jtreg/resourcehogs/TEST.properties test/hotspot/jtreg/resourcehogs/serviceability/sa/ClhsdbRegionDetailsScanOopsForG1.java test/hotspot/jtreg/resourcehogs/serviceability/sa/LingeredAppWithLargeArray.java test/hotspot/jtreg/resourcehogs/serviceability/sa/LingeredAppWithLargeStringArray.java test/hotspot/jtreg/resourcehogs/serviceability/sa/TestHeapDumpForLargeArray.java test/hotspot/jtreg/serviceability/sa/ClhsdbRegionDetailsScanOopsForG1.java test/hotspot/jtreg/serviceability/sa/LingeredAppWithLargeArray.java test/hotspot/jtreg/serviceability/sa/LingeredAppWithLargeStringArray.java test/hotspot/jtreg/serviceability/sa/TestHeapDumpForLargeArray.java
diffstat 10 files changed, 278 insertions(+), 275 deletions(-) [+]
line wrap: on
line diff
--- a/test/hotspot/jtreg/TEST.groups	Fri Aug 09 13:58:48 2019 +0200
+++ b/test/hotspot/jtreg/TEST.groups	Fri Aug 09 11:27:08 2019 -0700
@@ -53,6 +53,9 @@
 hotspot_serviceability = \
   serviceability
 
+hotspot_resourcehogs = \
+  resourcehogs
+
 hotspot_misc = \
   / \
  -applications \
@@ -368,8 +371,7 @@
   serviceability/sa \
   -serviceability/sa/ClhsdbScanOops.java \
   -serviceability/sa/TestJmapCore.java \
-  -serviceability/sa/TestJmapCoreMetaspace.java \
-  -serviceability/sa/TestHeapDumpForLargeArray.java
+  -serviceability/sa/TestJmapCoreMetaspace.java
 
 tier1 = \
   :tier1_common \
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/resourcehogs/TEST.properties	Fri Aug 09 11:27:08 2019 -0700
@@ -0,0 +1,1 @@
+exclusiveAccess.dirs=.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/resourcehogs/serviceability/sa/ClhsdbRegionDetailsScanOopsForG1.java	Fri Aug 09 11:27:08 2019 -0700
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2018, 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
+ * @bug 8175312
+ * @summary Test clhsdb 'g1regiondetails' and 'scanoops' commands for G1GC
+ * @requires vm.hasSA & (vm.bits == "64" & os.maxMemory > 8g)
+ * @library /test/lib /test/hotspot/jtreg/serviceability/sa
+ * @run main/othervm/timeout=2400 ClhsdbRegionDetailsScanOopsForG1
+ */
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import jdk.test.lib.apps.LingeredApp;
+import jtreg.SkippedException;
+
+public class ClhsdbRegionDetailsScanOopsForG1 {
+
+    public static void main(String[] args) throws Exception {
+        System.out.println("Starting ClhsdbRegionDetailsScanOopsForG1 test");
+
+        LingeredAppWithLargeStringArray theApp = null;
+        try {
+            ClhsdbLauncher test = new ClhsdbLauncher();
+            List<String> vmArgs = new ArrayList<String>();
+            vmArgs.add("-XX:+UseG1GC");
+            vmArgs.add("-Xmx8g");
+            vmArgs.add("-XX:G1HeapRegionSize=2m");
+
+            theApp = new LingeredAppWithLargeStringArray();
+            LingeredApp.startApp(vmArgs, theApp);
+            System.out.println("Started LingeredAppWithLargeStringArray with pid " + theApp.getPid());
+
+            List<String> cmds = List.of("g1regiondetails");
+            Map<String, List<String>> expStrMap = new HashMap<>();
+            Map<String, List<String>> unExpStrMap = new HashMap<>();
+
+            // Test that the various types of regions are listed with the
+            // 'g1regiondetails' command
+            expStrMap.put("g1regiondetails", List.of(
+                "Region",
+                "Eden",
+                "Survivor",
+                "StartsHumongous",
+                "ContinuesHumongous",
+                "Free"));
+            unExpStrMap.put("g1regiondetails", List.of("Unknown Region Type"));
+            String regionDetailsOutput = test.run(theApp.getPid(), cmds,
+                                                  expStrMap, unExpStrMap);
+            // Test the output of 'scanoops' -- get the start and end addresses
+            // from the StartsHumongous region. Ensure that it contains an
+            // array of Strings.
+            String[] snippets = regionDetailsOutput.split(":StartsHumongous");
+            snippets = snippets[0].split("Region: ");
+            String[] words = snippets[snippets.length - 1].split(",");
+            // words[0] and words[1] represent the start and end addresses
+            String cmd = "scanoops " + words[0] + " " + words[1];
+            expStrMap = new HashMap<>();
+            expStrMap.put(cmd, List.of("\\[Ljava/lang/String"));
+            test.run(theApp.getPid(), List.of(cmd), expStrMap, null);
+        } catch (SkippedException e) {
+            throw e;
+        } catch (Exception ex) {
+            throw new RuntimeException("Test ERROR " + ex, ex);
+        } finally {
+            LingeredApp.stopApp(theApp);
+        }
+        System.out.println("Test PASSED");
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/resourcehogs/serviceability/sa/LingeredAppWithLargeArray.java	Fri Aug 09 11:27:08 2019 -0700
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2017, 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.
+ */
+
+import jdk.test.lib.apps.LingeredApp;
+
+public class LingeredAppWithLargeArray extends LingeredApp {
+    public static void main(String args[]) {
+        int[] hugeArray = new int[Integer.MAX_VALUE/2];
+        LingeredApp.main(args);
+    }
+ }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/resourcehogs/serviceability/sa/LingeredAppWithLargeStringArray.java	Fri Aug 09 11:27:08 2019 -0700
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2018, 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.
+ */
+
+import jdk.test.lib.apps.LingeredApp;
+
+public class LingeredAppWithLargeStringArray extends LingeredApp {
+    public static void main(String args[]) {
+        String[] hugeArray = new String[Integer.MAX_VALUE/8];
+        String[] smallArray = {"Just", "for", "testing"};
+        for (int i = 0; i < hugeArray.length/16; i++) {
+            hugeArray[i] = new String(smallArray[i%3]);
+        }
+        LingeredApp.main(args);
+    }
+ }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/resourcehogs/serviceability/sa/TestHeapDumpForLargeArray.java	Fri Aug 09 11:27:08 2019 -0700
@@ -0,0 +1,114 @@
+/*
+ * 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.
+ */
+
+import java.util.ArrayList;
+import java.util.List;
+import java.io.File;
+import java.nio.file.Files;
+import java.io.IOException;
+import java.io.BufferedInputStream;
+import java.util.stream.Collectors;
+import java.io.FileInputStream;
+
+import sun.jvm.hotspot.HotSpotAgent;
+import sun.jvm.hotspot.debugger.*;
+
+import jdk.test.lib.apps.LingeredApp;
+import jdk.test.lib.JDKToolLauncher;
+import jdk.test.lib.JDKToolFinder;
+import jdk.test.lib.Platform;
+import jdk.test.lib.process.ProcessTools;
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.Utils;
+import jdk.test.lib.Asserts;
+
+/**
+ * @test
+ * @library /test/lib
+ * @bug 8171084
+ * @requires vm.hasSAandCanAttach & (vm.bits == "64" & os.maxMemory > 8g)
+ * @modules java.base/jdk.internal.misc
+ *          jdk.hotspot.agent/sun.jvm.hotspot
+ *          jdk.hotspot.agent/sun.jvm.hotspot.utilities
+ *          jdk.hotspot.agent/sun.jvm.hotspot.oops
+ *          jdk.hotspot.agent/sun.jvm.hotspot.debugger
+ * @run main/timeout=1800/othervm -Xmx8g TestHeapDumpForLargeArray
+ */
+
+public class TestHeapDumpForLargeArray {
+
+    private static LingeredAppWithLargeArray theApp = null;
+
+    private static void attachAndDump(String heapDumpFileName,
+                                      long lingeredAppPid) throws Exception {
+
+        JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb");
+        launcher.addToolArg("jmap");
+        launcher.addToolArg("--binaryheap");
+        launcher.addToolArg("--dumpfile");
+        launcher.addToolArg(heapDumpFileName);
+        launcher.addToolArg("--pid");
+        launcher.addToolArg(Long.toString(lingeredAppPid));
+
+        ProcessBuilder processBuilder = new ProcessBuilder();
+        processBuilder.command(launcher.getCommand());
+        System.out.println(
+            processBuilder.command().stream().collect(Collectors.joining(" ")));
+
+        OutputAnalyzer SAOutput = ProcessTools.executeProcess(processBuilder);
+        SAOutput.shouldHaveExitValue(0);
+        SAOutput.shouldNotContain("Heap segment size overflow");
+        SAOutput.shouldContain("truncating to");
+        SAOutput.shouldContain("heap written to");
+        SAOutput.shouldContain(heapDumpFileName);
+        System.out.println(SAOutput.getOutput());
+
+    }
+
+    public static void main (String... args) throws Exception {
+
+        String heapDumpFileName = "LargeArrayHeapDump.bin";
+
+        File heapDumpFile = new File(heapDumpFileName);
+        if (heapDumpFile.exists()) {
+            heapDumpFile.delete();
+        }
+
+        try {
+            // Need to add the default arguments first to have explicit
+            // -Xmx8g last, otherwise test will fail if default
+            // arguments contain a smaller -Xmx.
+            List<String> vmArgs = new ArrayList<String>();
+            vmArgs.addAll(Utils.getVmOptions());
+            vmArgs.add("-XX:+UsePerfData");
+            vmArgs.add("-Xmx8g");
+
+            theApp = new LingeredAppWithLargeArray();
+            LingeredApp.startApp(vmArgs, theApp);
+            attachAndDump(heapDumpFileName, theApp.getPid());
+        } finally {
+            LingeredApp.stopApp(theApp);
+            heapDumpFile.delete();
+        }
+    }
+}
--- a/test/hotspot/jtreg/serviceability/sa/ClhsdbRegionDetailsScanOopsForG1.java	Fri Aug 09 13:58:48 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,93 +0,0 @@
-/*
- * Copyright (c) 2018, 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
- * @bug 8175312
- * @summary Test clhsdb 'g1regiondetails' and 'scanoops' commands for G1GC
- * @requires vm.hasSA & (vm.bits == "64" & os.maxMemory > 8g)
- * @library /test/lib
- * @run main/othervm/timeout=2400 ClhsdbRegionDetailsScanOopsForG1
- */
-
-import java.util.HashMap;
-import java.util.List;
-import java.util.ArrayList;
-import java.util.Map;
-import jdk.test.lib.apps.LingeredApp;
-import jtreg.SkippedException;
-
-public class ClhsdbRegionDetailsScanOopsForG1 {
-
-    public static void main(String[] args) throws Exception {
-        System.out.println("Starting ClhsdbRegionDetailsScanOopsForG1 test");
-
-        LingeredAppWithLargeStringArray theApp = null;
-        try {
-            ClhsdbLauncher test = new ClhsdbLauncher();
-            List<String> vmArgs = new ArrayList<String>();
-            vmArgs.add("-XX:+UseG1GC");
-            vmArgs.add("-Xmx8g");
-            vmArgs.add("-XX:G1HeapRegionSize=2m");
-
-            theApp = new LingeredAppWithLargeStringArray();
-            LingeredApp.startApp(vmArgs, theApp);
-            System.out.println("Started LingeredAppWithLargeStringArray with pid " + theApp.getPid());
-
-            List<String> cmds = List.of("g1regiondetails");
-            Map<String, List<String>> expStrMap = new HashMap<>();
-            Map<String, List<String>> unExpStrMap = new HashMap<>();
-
-            // Test that the various types of regions are listed with the
-            // 'g1regiondetails' command
-            expStrMap.put("g1regiondetails", List.of(
-                "Region",
-                "Eden",
-                "Survivor",
-                "StartsHumongous",
-                "ContinuesHumongous",
-                "Free"));
-            unExpStrMap.put("g1regiondetails", List.of("Unknown Region Type"));
-            String regionDetailsOutput = test.run(theApp.getPid(), cmds,
-                                                  expStrMap, unExpStrMap);
-            // Test the output of 'scanoops' -- get the start and end addresses
-            // from the StartsHumongous region. Ensure that it contains an
-            // array of Strings.
-            String[] snippets = regionDetailsOutput.split(":StartsHumongous");
-            snippets = snippets[0].split("Region: ");
-            String[] words = snippets[snippets.length - 1].split(",");
-            // words[0] and words[1] represent the start and end addresses
-            String cmd = "scanoops " + words[0] + " " + words[1];
-            expStrMap = new HashMap<>();
-            expStrMap.put(cmd, List.of("\\[Ljava/lang/String"));
-            test.run(theApp.getPid(), List.of(cmd), expStrMap, null);
-        } catch (SkippedException e) {
-            throw e;
-        } catch (Exception ex) {
-            throw new RuntimeException("Test ERROR " + ex, ex);
-        } finally {
-            LingeredApp.stopApp(theApp);
-        }
-        System.out.println("Test PASSED");
-    }
-}
--- a/test/hotspot/jtreg/serviceability/sa/LingeredAppWithLargeArray.java	Fri Aug 09 13:58:48 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,31 +0,0 @@
-/*
- * Copyright (c) 2017, 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.
- */
-
-import jdk.test.lib.apps.LingeredApp;
-
-public class LingeredAppWithLargeArray extends LingeredApp {
-    public static void main(String args[]) {
-        int[] hugeArray = new int[Integer.MAX_VALUE/2];
-        LingeredApp.main(args);
-    }
- }
--- a/test/hotspot/jtreg/serviceability/sa/LingeredAppWithLargeStringArray.java	Fri Aug 09 13:58:48 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,35 +0,0 @@
-/*
- * Copyright (c) 2018, 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.
- */
-
-import jdk.test.lib.apps.LingeredApp;
-
-public class LingeredAppWithLargeStringArray extends LingeredApp {
-    public static void main(String args[]) {
-        String[] hugeArray = new String[Integer.MAX_VALUE/8];
-        String[] smallArray = {"Just", "for", "testing"};
-        for (int i = 0; i < hugeArray.length/16; i++) {
-            hugeArray[i] = new String(smallArray[i%3]);
-        }
-        LingeredApp.main(args);
-    }
- }
--- a/test/hotspot/jtreg/serviceability/sa/TestHeapDumpForLargeArray.java	Fri Aug 09 13:58:48 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,114 +0,0 @@
-/*
- * 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.
- */
-
-import java.util.ArrayList;
-import java.util.List;
-import java.io.File;
-import java.nio.file.Files;
-import java.io.IOException;
-import java.io.BufferedInputStream;
-import java.util.stream.Collectors;
-import java.io.FileInputStream;
-
-import sun.jvm.hotspot.HotSpotAgent;
-import sun.jvm.hotspot.debugger.*;
-
-import jdk.test.lib.apps.LingeredApp;
-import jdk.test.lib.JDKToolLauncher;
-import jdk.test.lib.JDKToolFinder;
-import jdk.test.lib.Platform;
-import jdk.test.lib.process.ProcessTools;
-import jdk.test.lib.process.OutputAnalyzer;
-import jdk.test.lib.Utils;
-import jdk.test.lib.Asserts;
-
-/**
- * @test
- * @library /test/lib
- * @bug 8171084
- * @requires vm.hasSAandCanAttach & (vm.bits == "64" & os.maxMemory > 8g)
- * @modules java.base/jdk.internal.misc
- *          jdk.hotspot.agent/sun.jvm.hotspot
- *          jdk.hotspot.agent/sun.jvm.hotspot.utilities
- *          jdk.hotspot.agent/sun.jvm.hotspot.oops
- *          jdk.hotspot.agent/sun.jvm.hotspot.debugger
- * @run main/timeout=1800/othervm -Xmx8g TestHeapDumpForLargeArray
- */
-
-public class TestHeapDumpForLargeArray {
-
-    private static LingeredAppWithLargeArray theApp = null;
-
-    private static void attachAndDump(String heapDumpFileName,
-                                      long lingeredAppPid) throws Exception {
-
-        JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb");
-        launcher.addToolArg("jmap");
-        launcher.addToolArg("--binaryheap");
-        launcher.addToolArg("--dumpfile");
-        launcher.addToolArg(heapDumpFileName);
-        launcher.addToolArg("--pid");
-        launcher.addToolArg(Long.toString(lingeredAppPid));
-
-        ProcessBuilder processBuilder = new ProcessBuilder();
-        processBuilder.command(launcher.getCommand());
-        System.out.println(
-            processBuilder.command().stream().collect(Collectors.joining(" ")));
-
-        OutputAnalyzer SAOutput = ProcessTools.executeProcess(processBuilder);
-        SAOutput.shouldHaveExitValue(0);
-        SAOutput.shouldNotContain("Heap segment size overflow");
-        SAOutput.shouldContain("truncating to");
-        SAOutput.shouldContain("heap written to");
-        SAOutput.shouldContain(heapDumpFileName);
-        System.out.println(SAOutput.getOutput());
-
-    }
-
-    public static void main (String... args) throws Exception {
-
-        String heapDumpFileName = "LargeArrayHeapDump.bin";
-
-        File heapDumpFile = new File(heapDumpFileName);
-        if (heapDumpFile.exists()) {
-            heapDumpFile.delete();
-        }
-
-        try {
-            // Need to add the default arguments first to have explicit
-            // -Xmx8g last, otherwise test will fail if default
-            // arguments contain a smaller -Xmx.
-            List<String> vmArgs = new ArrayList<String>();
-            vmArgs.addAll(Utils.getVmOptions());
-            vmArgs.add("-XX:+UsePerfData");
-            vmArgs.add("-Xmx8g");
-
-            theApp = new LingeredAppWithLargeArray();
-            LingeredApp.startApp(vmArgs, theApp);
-            attachAndDump(heapDumpFileName, theApp.getPid());
-        } finally {
-            LingeredApp.stopApp(theApp);
-            heapDumpFile.delete();
-        }
-    }
-}