< prev index next >

test/runtime/NMT/MallocTestType.java

Print this page




   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  * @summary Test consistency of NMT by leaking a few select allocations of the Test type and then verify visibility with jcmd
  27  * @key nmt jcmd
  28  * @library /testlibrary /../../test/lib
  29  * @build MallocTestType
  30  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  31  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  32  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail MallocTestType
  33  */
  34 
  35 import com.oracle.java.testlibrary.*;
  36 import sun.hotspot.WhiteBox;
  37 
  38 public class MallocTestType {
  39 
  40   public static void main(String args[]) throws Exception {
  41     OutputAnalyzer output;
  42     WhiteBox wb = WhiteBox.getWhiteBox();
  43 
  44     // Grab my own PID
  45     String pid = Integer.toString(ProcessTools.getProcessId());
  46     ProcessBuilder pb = new ProcessBuilder();
  47 
  48     // Use WB API to alloc and free with the mtTest type
  49     long memAlloc3 = wb.NMTMalloc(128 * 1024);


   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  * @summary Test consistency of NMT by leaking a few select allocations of the Test type and then verify visibility with jcmd
  27  * @key nmt jcmd
  28  * @library /testlibrary /../../test/lib
  29  * @build com.oracle.java.testlibrary.* MallocTestType
  30  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  31  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  32  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail MallocTestType
  33  */
  34 
  35 import com.oracle.java.testlibrary.*;
  36 import sun.hotspot.WhiteBox;
  37 
  38 public class MallocTestType {
  39 
  40   public static void main(String args[]) throws Exception {
  41     OutputAnalyzer output;
  42     WhiteBox wb = WhiteBox.getWhiteBox();
  43 
  44     // Grab my own PID
  45     String pid = Integer.toString(ProcessTools.getProcessId());
  46     ProcessBuilder pb = new ProcessBuilder();
  47 
  48     // Use WB API to alloc and free with the mtTest type
  49     long memAlloc3 = wb.NMTMalloc(128 * 1024);
< prev index next >