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 TestLargePageUseForAuxMemory.java
  26  * @summary Test that auxiliary data structures are allocated using large pages if available.
  27  * @bug 8058354 8079208
  28  * @key gc
  29  * @modules java.base/jdk.internal.misc
  30  * @library /testlibrary /test/lib
  31  * @requires vm.gc.G1
  32  * @build jdk.test.lib.* sun.hotspot.WhiteBox
  33  * @build TestLargePageUseForAuxMemory
  34  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  35  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run main/othervm -Xbootclasspath/a:. -XX:+UseG1GC -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+IgnoreUnrecognizedVMOptions -XX:+UseLargePages TestLargePageUseForAuxMemory
  37  */
  38 
  39 import java.lang.Math;
  40 import java.lang.reflect.InvocationTargetException;
  41 import java.lang.reflect.Method;
  42 
  43 import jdk.test.lib.*;

  44 import jdk.test.lib.Asserts;

  45 import sun.hotspot.WhiteBox;
  46 
  47 public class TestLargePageUseForAuxMemory {
  48     static final long HEAP_REGION_SIZE = 1 * 1024 * 1024;
  49     static long largePageSize;
  50     static long smallPageSize;
  51     static long allocGranularity;
  52 
  53     static void checkSize(OutputAnalyzer output, long expectedSize, String pattern) {
  54         String pageSizeStr = output.firstMatch(pattern, 1);
  55 
  56         if (pageSizeStr == null) {
  57             output.reportDiagnosticSummary();
  58             throw new RuntimeException("Match from '" + pattern + "' got 'null' expected: " + expectedSize);
  59         }
  60 
  61         long size = parseMemoryString(pageSizeStr);
  62         if (size != expectedSize) {
  63             output.reportDiagnosticSummary();
  64             throw new RuntimeException("Match from '" + pattern + "' got " + size + " expected: " + expectedSize);

  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 TestLargePageUseForAuxMemory.java
  26  * @summary Test that auxiliary data structures are allocated using large pages if available.
  27  * @bug 8058354 8079208
  28  * @key gc
  29  * @modules java.base/jdk.internal.misc
  30  * @library /test/lib
  31  * @requires vm.gc.G1
  32  * @build sun.hotspot.WhiteBox

  33  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  34  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  35  * @run main/othervm -Xbootclasspath/a:. -XX:+UseG1GC -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+IgnoreUnrecognizedVMOptions -XX:+UseLargePages TestLargePageUseForAuxMemory
  36  */
  37 
  38 import java.lang.Math;
  39 import java.lang.reflect.InvocationTargetException;
  40 import java.lang.reflect.Method;
  41 
  42 import jdk.test.lib.process.OutputAnalyzer;
  43 import jdk.test.lib.process.ProcessTools;
  44 import jdk.test.lib.Asserts;
  45 import jdk.test.lib.Platform;
  46 import sun.hotspot.WhiteBox;
  47 
  48 public class TestLargePageUseForAuxMemory {
  49     static final long HEAP_REGION_SIZE = 1 * 1024 * 1024;
  50     static long largePageSize;
  51     static long smallPageSize;
  52     static long allocGranularity;
  53 
  54     static void checkSize(OutputAnalyzer output, long expectedSize, String pattern) {
  55         String pageSizeStr = output.firstMatch(pattern, 1);
  56 
  57         if (pageSizeStr == null) {
  58             output.reportDiagnosticSummary();
  59             throw new RuntimeException("Match from '" + pattern + "' got 'null' expected: " + expectedSize);
  60         }
  61 
  62         long size = parseMemoryString(pageSizeStr);
  63         if (size != expectedSize) {
  64             output.reportDiagnosticSummary();
  65             throw new RuntimeException("Match from '" + pattern + "' got " + size + " expected: " + expectedSize);