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 TestG1HeapRegionSize
26 * @key gc
27 * @bug 8021879
28 * @summary Verify that the flag G1HeapRegionSize is updated properly
29 * @run main/othervm -Xmx64m TestG1HeapRegionSize 1048576
30 * @run main/othervm -XX:G1HeapRegionSize=2m -Xmx64m TestG1HeapRegionSize 2097152
31 * @run main/othervm -XX:G1HeapRegionSize=3m -Xmx64m TestG1HeapRegionSize 2097152
32 * @run main/othervm -XX:G1HeapRegionSize=64m -Xmx256m TestG1HeapRegionSize 33554432
33 */
34
35 import sun.management.ManagementFactoryHelper;
36 import com.sun.management.HotSpotDiagnosticMXBean;
37 import com.sun.management.VMOption;
38
39 public class TestG1HeapRegionSize {
40
41 public static void main(String[] args) {
42 HotSpotDiagnosticMXBean diagnostic = ManagementFactoryHelper.getDiagnosticMXBean();
43
44 VMOption option = diagnostic.getVMOption("UseG1GC");
45 if (option.getValue().equals("false")) {
46 System.out.println("Skipping this test. It is only a G1 test.");
47 return;
|
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 TestG1HeapRegionSize
26 * @key gc
27 * @bug 8021879
28 * @requires vm.gc=="G1" | vm.gc=="null"
29 * @summary Verify that the flag G1HeapRegionSize is updated properly
30 * @run main/othervm -Xmx64m TestG1HeapRegionSize 1048576
31 * @run main/othervm -XX:G1HeapRegionSize=2m -Xmx64m TestG1HeapRegionSize 2097152
32 * @run main/othervm -XX:G1HeapRegionSize=3m -Xmx64m TestG1HeapRegionSize 2097152
33 * @run main/othervm -XX:G1HeapRegionSize=64m -Xmx256m TestG1HeapRegionSize 33554432
34 */
35
36 import sun.management.ManagementFactoryHelper;
37 import com.sun.management.HotSpotDiagnosticMXBean;
38 import com.sun.management.VMOption;
39
40 public class TestG1HeapRegionSize {
41
42 public static void main(String[] args) {
43 HotSpotDiagnosticMXBean diagnostic = ManagementFactoryHelper.getDiagnosticMXBean();
44
45 VMOption option = diagnostic.getVMOption("UseG1GC");
46 if (option.getValue().equals("false")) {
47 System.out.println("Skipping this test. It is only a G1 test.");
48 return;
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