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 package MyPackage;
25
26 /**
27 * @test
28 * @build Frame HeapMonitor
29 * @summary Verifies the JVMTI Heap Monitor Statistics
30 * @compile HeapMonitorStatSimpleTest.java
31 * @run main/othervm/native -agentlib:HeapMonitor MyPackage.HeapMonitorStatSimpleTest
32 */
33
34 public class HeapMonitorStatSimpleTest {
35 private native static int areSamplingStatisticsZero();
36
37 public static void main(String[] args) {
38 if (!HeapMonitor.eventStorageIsEmpty()) {
39 throw new RuntimeException("Statistics should be null to begin with.");
40 }
41
42 HeapMonitor.enableSamplingRate();
43 HeapMonitor.allocate();
44
45 if (HeapMonitor.eventStorageIsEmpty()) {
46 throw new RuntimeException("Statistics should not be null now.");
47 }
48 }
49 }
|
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 package MyPackage;
25
26 /**
27 * @test
28 * @build Frame HeapMonitor
29 * @summary Verifies the JVMTI Heap Monitor events are only sent after enabling.
30 * @compile HeapMonitorStatSimpleTest.java
31 * @run main/othervm/native -agentlib:HeapMonitor MyPackage.HeapMonitorStatSimpleTest
32 */
33
34 public class HeapMonitorStatSimpleTest {
35 private native static int areSamplingStatisticsZero();
36
37 public static void main(String[] args) {
38 HeapMonitor.allocate();
39 if (!HeapMonitor.eventStorageIsEmpty()) {
40 throw new RuntimeException("Statistics should be null to begin with.");
41 }
42
43 HeapMonitor.enableSamplingEvents();
44 HeapMonitor.allocate();
45
46 if (HeapMonitor.eventStorageIsEmpty()) {
47 throw new RuntimeException("Statistics should not be null now.");
48 }
49 }
50 }
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