--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/share/aod/Utils.java	Mon Apr 30 18:10:24 2018 -0700
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2008, 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.
+ */
+package nsk.share.aod;
+
+import java.io.File;
+
+import nsk.share.*;
+
+public class Utils {
+
+    // prevent class instantiation
+    private Utils() {
+    }
+
+    public static final long JPS_WORK_TIMEOUT = 60000; // 1 min
+
+    /**
+     * Find id of VM with certain value of property key.  Method findVMIdUsingJPS
+     * runs 'jps -v' and seeks in jps output line containing this unique string,
+     * discovered string should also contain VM id.
+     *
+     * @param jdkPath - path to jdk
+     * @param key     - name of property
+     * @param value   - value of property
+     * @return VM id
+     */
+    public static String findVMIdUsingJPS(String jdkPath, String key, String value) {
+        try {
+            if (value == null) {
+                return null;
+            }
+            String idString = key + "=" + value;
+            String jpsPath = jdkPath + File.separator + "bin" + File.separator + "jps";
+
+            while (true) {
+                ProcessExecutor executor = new ProcessExecutor(jpsPath + " -v", JPS_WORK_TIMEOUT, "jps -v");
+                executor.startProcess();
+                executor.waitForProcess();
+
+                if (executor.getExitCode() != 0) {
+                    throw new Failure("jps finished with non-zero code " + executor.getExitCode());
+                }
+
+                for (String jpsOutLine : executor.getProcessOut()) {
+                    if (jpsOutLine.contains(idString)) {
+                        if (jpsOutLine.indexOf(' ') < 0)
+                            throw new Failure("Unexpected format of the jps output '" + jpsOutLine + " (line doesn't contain space)");
+
+                        return jpsOutLine.substring(0, jpsOutLine.indexOf(' '));
+                    }
+                }
+                Thread.sleep(100);
+            }
+        } catch (Failure f) {
+            throw f;
+        } catch (Throwable t) {
+            throw new Failure("Unexpected exception during jps execution: " + t, t);
+        }
+    }
+
+    public static String findCurrentVMIdUsingJPS(String jdkPath) {
+        /*
+         * VM should be run with special property which allows to find VM id using jps
+         * (see comments for method Utils.findVMIdUsingJPS)
+         */
+        String applicationId = System.getProperty(AODTestRunner.targetAppIdProperty);
+        if (applicationId == null)
+            throw new TestBug("Property '" + AODTestRunner.targetAppIdProperty + "' isn't defined");
+
+        String targetVMId = Utils.findVMIdUsingJPS(jdkPath, AODTestRunner.targetAppIdProperty, applicationId);
+
+        return targetVMId;
+    }
+
+}