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 8013120
27 * @summary Release committed memory and make sure NMT handles it correctly
28 * @key nmt regression
29 * @library /testlibrary /../../test/lib
30 * @build ReleaseCommittedMemory
31 * @run main ClassFileInstaller sun.hotspot.WhiteBox
32 * sun.hotspot.WhiteBox$WhiteBoxPermission
33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ReleaseCommittedMemory
34 */
35
36 import sun.hotspot.WhiteBox;
37
38 public class ReleaseCommittedMemory {
39
40 public static void main(String args[]) throws Exception {
41 WhiteBox wb = WhiteBox.getWhiteBox();
42 long reserveSize = 256 * 1024;
43 long addr;
44
45 addr = wb.NMTReserveMemory(reserveSize);
46 wb.NMTCommitMemory(addr, 128*1024);
47 wb.NMTReleaseMemory(addr, reserveSize);
48 }
49 }
50
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 8013120
27 * @summary Release committed memory and make sure NMT handles it correctly
28 * @key nmt regression
29 * @library /testlibrary /../../test/lib
30 * @build com.oracle.java.testlibrary.* ReleaseCommittedMemory
31 * @run main ClassFileInstaller sun.hotspot.WhiteBox
32 * sun.hotspot.WhiteBox$WhiteBoxPermission
33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ReleaseCommittedMemory
34 */
35
36 import sun.hotspot.WhiteBox;
37
38 public class ReleaseCommittedMemory {
39
40 public static void main(String args[]) throws Exception {
41 WhiteBox wb = WhiteBox.getWhiteBox();
42 long reserveSize = 256 * 1024;
43 long addr;
44
45 addr = wb.NMTReserveMemory(reserveSize);
46 wb.NMTCommitMemory(addr, 128*1024);
47 wb.NMTReleaseMemory(addr, reserveSize);
48 }
49 }
50
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