8173896: SA: BasicLauncherTest.java (printmdo) fails for Client VM and Server VM with emulated-client

Avoid running the test for client VMs and emulated client VMs, when method data is not available.

Reviewed-by: sspitsyn, dsamersoff

hotspot/hotspot/test/serviceability/sa/TestPrintMdo.java

@@ -0,0 +1,176 @@
+/*
+ * 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 java.util.ArrayList;
+import java.util.Scanner;
+import java.util.List;
+import java.io.File;
+import java.io.IOException;
+import java.util.stream.Collectors;
+import java.io.OutputStream;
+import jdk.test.lib.apps.LingeredApp;
+import jdk.test.lib.JDKToolLauncher;
+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
+ * @requires vm.flavor == "server" & !vm.emulatedClient
+ * @build jdk.test.lib.apps.*
+ * @run main/othervm TestPrintMdo
+ */
+
+public class TestPrintMdo {
+
+    private static final String PRINTMDO_OUT_FILE = "printmdo_out.txt";
+
+    private static void verifyPrintMdoOutput() throws Exception {
+
+        Exception unexpected = null;
+        File printMdoFile = new File(PRINTMDO_OUT_FILE);
+        Asserts.assertTrue(printMdoFile.exists() && printMdoFile.isFile(),
+                           "File with printmdo output not created: " +
+                           printMdoFile.getAbsolutePath());
+        try {
+            Scanner scanner = new Scanner(printMdoFile);
+
+            String unexpectedMsg =
+                 "One or more of 'VirtualCallData', 'CounterData', " +
+                 "'ReceiverTypeData', 'bci', 'MethodData' "  +
+                 "or 'java/lang/Object' not found";
+            boolean knownClassFound = false;
+            boolean knownProfileDataTypeFound = false;
+            boolean knownTokensFound = false;
+
+            while (scanner.hasNextLine()) {
+                String line = scanner.nextLine();
+                line = line.trim();
+                System.out.println(line);
+
+                if (line.contains("missing reason for ")) {
+                    unexpected = new RuntimeException("Unexpected msg: missing reason for ");
+                    break;
+                }
+                if (line.contains("VirtualCallData")  ||
+                    line.contains("CounterData")      ||
+                    line.contains("ReceiverTypeData")) {
+                    knownProfileDataTypeFound = true;
+                }
+                if (line.contains("bci") ||
+                    line.contains("MethodData")) {
+                    knownTokensFound = true;
+                }
+                if (line.contains("java/lang/Object")) {
+                    knownClassFound = true;
+                }
+            }
+            if ((knownClassFound           == false)  ||
+                (knownTokensFound          == false)  ||
+                (knownProfileDataTypeFound == false)) {
+                unexpected = new RuntimeException(unexpectedMsg);
+            }
+            if (unexpected != null) {
+                throw unexpected;
+            }
+        } catch (Exception ex) {
+           throw new RuntimeException("Test ERROR " + ex, ex);
+        } finally {
+           printMdoFile.delete();
+        }
+    }
+
+    private static void startClhsdbForPrintMdo(long lingeredAppPid) throws Exception {
+
+        Process p;
+        JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb");
+        launcher.addToolArg("clhsdb");
+        launcher.addToolArg("--pid");
+        launcher.addToolArg(Long.toString(lingeredAppPid));
+
+        ProcessBuilder pb = new ProcessBuilder();
+        pb.command(launcher.getCommand());
+        System.out.println(
+            pb.command().stream().collect(Collectors.joining(" ")));
+
+        try {
+            p = pb.start();
+        } catch (Exception attachE) {
+            throw new Error("Couldn't start jhsdb or attach to LingeredApp : " + attachE);
+        }
+
+        // Issue the 'printmdo' input at the clhsdb prompt.
+        OutputStream input = p.getOutputStream();
+        String str = "printmdo -a > " + PRINTMDO_OUT_FILE + "\nquit\n";
+        try {
+            input.write(str.getBytes());
+            input.flush();
+        } catch (IOException ioe) {
+            throw new Error("Problem issuing the printmdo command: " + str, ioe);
+        }
+
+        try {
+            p.waitFor();
+        } catch (InterruptedException ie) {
+            throw new Error("Problem awaiting the child process: " + ie, ie);
+        }
+
+        int exitValue = p.exitValue();
+        if (exitValue != 0) {
+            String output;
+            try {
+                output = new OutputAnalyzer(p).getOutput();
+            } catch (IOException ioe) {
+                throw new Error("Can't get failed clhsdb process output: " + ioe, ioe);
+            }
+            throw new AssertionError("clhsdb wasn't run successfully: " + output);
+        }
+    }
+
+    public static void main (String... args) throws Exception {
+
+        LingeredApp app = null;
+
+        if (!Platform.shouldSAAttach()) {
+            System.out.println(
+               "SA attach not expected to work - test skipped.");
+            return;
+        }
+
+        try {
+            List<String> vmArgs = new ArrayList<String>();
+            vmArgs.add("-XX:+ProfileInterpreter");
+            vmArgs.addAll(Utils.getVmOptions());
+
+            app = LingeredApp.startApp(vmArgs);
+            System.out.println ("Started LingeredApp with pid " + app.getPid());
+            startClhsdbForPrintMdo(app.getPid());
+            verifyPrintMdoOutput();
+        } finally {
+            LingeredApp.stopApp(app);
+        }
+    }
+}