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 VirtualAllocCommitUncommitRecommit 32 * @run main ClassFileInstaller sun.hotspot.WhiteBox 33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail VirtualAllocCommitUncommitRecommit 34 * 35 */ 36 37 import jdk.test.lib.*; 38 39 import sun.hotspot.WhiteBox; 40 41 public class VirtualAllocCommitUncommitRecommit { 42 43 public static WhiteBox wb = WhiteBox.getWhiteBox(); 44 45 public static void main(String args[]) throws Exception { 46 OutputAnalyzer output; 47 long commitSize = 128 * 1024; // 128KB 48 long reserveSize = 4 * 1024 * 1024; // 4096KB 49 long addr; 50 51 String pid = Long.toString(ProcessTools.getProcessId()); 52 ProcessBuilder pb = new ProcessBuilder(); 53 54 // reserve 55 addr = wb.NMTReserveMemory(reserveSize); 56 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, 57 "VM.native_memory", "detail" }); | 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 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail VirtualAllocCommitUncommitRecommit 34 * 35 */ 36 37 import jdk.test.lib.process.ProcessTools; 38 import jdk.test.lib.process.OutputAnalyzer; 39 import jdk.test.lib.JDKToolFinder; 40 41 import sun.hotspot.WhiteBox; 42 43 public class VirtualAllocCommitUncommitRecommit { 44 45 public static WhiteBox wb = WhiteBox.getWhiteBox(); 46 47 public static void main(String args[]) throws Exception { 48 OutputAnalyzer output; 49 long commitSize = 128 * 1024; // 128KB 50 long reserveSize = 4 * 1024 * 1024; // 4096KB 51 long addr; 52 53 String pid = Long.toString(ProcessTools.getProcessId()); 54 ProcessBuilder pb = new ProcessBuilder(); 55 56 // reserve 57 addr = wb.NMTReserveMemory(reserveSize); 58 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, 59 "VM.native_memory", "detail" }); |