--- /dev/null	2020-01-02 04:43:18.583999853 +0000
+++ new/test/jdk/jfr/jvm/TestPid.java	2020-01-30 06:37:25.964358442 +0000
@@ -0,0 +1,76 @@
+/*
+ * 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 jdk.jfr.jvm;
+
+import static jdk.test.lib.Asserts.assertEquals;
+import java.lang.management.ManagementFactory;
+
+import jdk.jfr.internal.JVM;
+
+/**
+ * @test TestPid
+ * @key jfr
+ *
+ * @library /lib /
+ *
+ * @run main/othervm jdk.jfr.jvm.TestPid
+ */
+public class TestPid {
+
+    private static long getProcessId() {
+
+        // something like '<pid>@<hostname>', at least in SUN / Oracle JVMs
+        final String jvmName = ManagementFactory.getRuntimeMXBean().getName();
+
+        final int index = jvmName.indexOf('@');
+
+        if (index < 1) {
+            // part before '@' empty (index = 0) / '@' not found (index = -1)
+            return 42;
+        }
+
+        try {
+            return Long.parseLong(jvmName.substring(0, index));
+        } catch (NumberFormatException e) {
+            // ignore
+        }
+        return 42;
+    }
+
+    public static void main(String... args) throws InterruptedException {
+
+        JVM jvm = JVM.getJVM();
+        String pid = jvm.getPid();
+
+        try {
+            String managementPid = String.valueOf(getProcessId());
+            assertEquals(pid, managementPid, "Pid doesn't match value returned by RuntimeMXBean");
+        } catch (NumberFormatException nfe) {
+            throw new AssertionError("Pid must be numeric, but was '" + pid + "'");
+        }
+    }
+
+}