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 TestFullGCount.java
26 * @bug 7072527
27 * @summary CMS: JMM GC counters overcount in some cases
28 * @modules java.management
29 * @run main/othervm -XX:+PrintGC TestFullGCCount
30 */
31 import java.util.*;
32 import java.lang.management.*;
33
34 /*
35 * Originally for a specific failure in CMS, this test now monitors all
36 * collectors for double-counting of collections.
37 */
38 public class TestFullGCCount {
39
40 static List<GarbageCollectorMXBean> collectors = ManagementFactory.getGarbageCollectorMXBeans();
41
42 public static void main(String[] args) {
43 int iterations = 20;
44 boolean failed = false;
45 String errorMessage = "";
46 HashMap<String, List> counts = new HashMap<String, List>();
47
48 // Prime the collection of count lists for all collectors.
49 for (int i = 0; i < collectors.size(); i++) {
|
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 TestFullGCount.java
26 * @bug 7072527
27 * @summary CMS: JMM GC counters overcount in some cases
28 * @modules java.management
29 * @run main/othervm -Xlog:gc TestFullGCCount
30 */
31 import java.util.*;
32 import java.lang.management.*;
33
34 /*
35 * Originally for a specific failure in CMS, this test now monitors all
36 * collectors for double-counting of collections.
37 */
38 public class TestFullGCCount {
39
40 static List<GarbageCollectorMXBean> collectors = ManagementFactory.getGarbageCollectorMXBeans();
41
42 public static void main(String[] args) {
43 int iterations = 20;
44 boolean failed = false;
45 String errorMessage = "";
46 HashMap<String, List> counts = new HashMap<String, List>();
47
48 // Prime the collection of count lists for all collectors.
49 for (int i = 0; i < collectors.size(); i++) {
|