1 /*
2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 4530538
27 * @summary Basic unit test of RuntimeMXBean.getUptime()
28 * @author Alexei Guibadoulline
29 */
30
31 import java.lang.management.*;
32
33 public class UpTime {
34 final static long DELAY = 5; // Seconds
35 final static long TIMEOUT = 30; // Minutes
36 final static long MULTIPLIER = 1000; // millisecond ticks
37
38 private static final RuntimeMXBean metrics
39 = ManagementFactory.getRuntimeMXBean();
40
41 public static void main(String argv[]) throws Exception {
42 long jvmStartTime = metrics.getStartTime();
43 // this will get an aproximate JVM uptime before starting this test
44 long jvmUptime = System.currentTimeMillis() - jvmStartTime;
45 long systemStartOuter = System_milliTime();
46 long metricsStart = metrics.getUptime();
47 long systemStartInner = System_milliTime();
48
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1 /*
2 * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 4530538
27 * @summary Basic unit test of RuntimeMXBean.getUptime()
28 * @author Alexei Guibadoulline
29 * @modules java.management
30 */
31
32 import java.lang.management.*;
33
34 public class UpTime {
35 final static long DELAY = 5; // Seconds
36 final static long TIMEOUT = 30; // Minutes
37 final static long MULTIPLIER = 1000; // millisecond ticks
38
39 private static final RuntimeMXBean metrics
40 = ManagementFactory.getRuntimeMXBean();
41
42 public static void main(String argv[]) throws Exception {
43 long jvmStartTime = metrics.getStartTime();
44 // this will get an aproximate JVM uptime before starting this test
45 long jvmUptime = System.currentTimeMillis() - jvmStartTime;
46 long systemStartOuter = System_milliTime();
47 long metricsStart = metrics.getUptime();
48 long systemStartInner = System_milliTime();
49
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