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
  26  * @summary Test Reserve/Commit/Uncommit/Release of virtual memory and that we track it correctly
  27  * @key nmt jcmd
  28  * @library /testlibrary /test/lib
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  * @build VirtualAllocTestType
  32  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  33  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail VirtualAllocTestType
  35  */
  36 
  37 import jdk.test.lib.*;


  38 import sun.hotspot.WhiteBox;
  39 
  40 public class VirtualAllocTestType {
  41 
  42   public static WhiteBox wb = WhiteBox.getWhiteBox();
  43   public static void main(String args[]) throws Exception {
  44     OutputAnalyzer output;
  45     long commitSize = 128 * 1024;
  46     long reserveSize = 256 * 1024;
  47     long addr;
  48 
  49     String pid = Long.toString(ProcessTools.getProcessId());
  50     ProcessBuilder pb = new ProcessBuilder();
  51 
  52     addr = wb.NMTReserveMemory(reserveSize);
  53     pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail"});
  54 
  55     output = new OutputAnalyzer(pb.start());
  56     output.shouldContain("Test (reserved=256KB, committed=0KB)");
  57     output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved 256KB for Test");

   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
  26  * @summary Test Reserve/Commit/Uncommit/Release of virtual memory and that we track it correctly
  27  * @key nmt jcmd
  28  * @library /test/lib
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  * @build sun.hotspot.WhiteBox
  32  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  33  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail VirtualAllocTestType
  35  */
  36 
  37 import jdk.test.lib.process.ProcessTools;
  38 import jdk.test.lib.process.OutputAnalyzer;
  39 import jdk.test.lib.JDKToolFinder;
  40 import sun.hotspot.WhiteBox;
  41 
  42 public class VirtualAllocTestType {
  43 
  44   public static WhiteBox wb = WhiteBox.getWhiteBox();
  45   public static void main(String args[]) throws Exception {
  46     OutputAnalyzer output;
  47     long commitSize = 128 * 1024;
  48     long reserveSize = 256 * 1024;
  49     long addr;
  50 
  51     String pid = Long.toString(ProcessTools.getProcessId());
  52     ProcessBuilder pb = new ProcessBuilder();
  53 
  54     addr = wb.NMTReserveMemory(reserveSize);
  55     pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail"});
  56 
  57     output = new OutputAnalyzer(pb.start());
  58     output.shouldContain("Test (reserved=256KB, committed=0KB)");
  59     output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved 256KB for Test");