7 * published by the Free Software Foundation. 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 SpaceUtilizationCheck 26 * @summary Check if the space utilization for shared spaces is adequate 27 * @library /testlibrary 28 * @modules java.base/jdk.internal.misc 29 * java.management 30 * @run main SpaceUtilizationCheck 31 */ 32 33 import jdk.test.lib.*; 34 35 import java.util.regex.Pattern; 36 import java.util.regex.Matcher; 37 import java.util.ArrayList; 38 import java.lang.Integer; 39 40 public class SpaceUtilizationCheck { 41 // Minimum allowed utilization value (percent) 42 // The goal is to have this number to be 50% for RO and RW regions 43 // Once that feature is implemented, increase the MIN_UTILIZATION to 50 44 private static final int MIN_UTILIZATION = 30; 45 46 // Only RO and RW regions are considered for this check, since they 47 // currently account for the bulk of the shared space 48 private static final int NUMBER_OF_CHECKED_SHARED_REGIONS = 2; 49 50 public static void main(String[] args) throws Exception { 51 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 52 "-XX:+UnlockDiagnosticVMOptions", 53 "-XX:SharedArchiveFile=./SpaceUtilizationCheck.jsa", | 7 * published by the Free Software Foundation. 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 SpaceUtilizationCheck 26 * @summary Check if the space utilization for shared spaces is adequate 27 * @library /test/lib 28 * @modules java.base/jdk.internal.misc 29 * java.management 30 * @run main SpaceUtilizationCheck 31 */ 32 33 import jdk.test.lib.process.ProcessTools; 34 import jdk.test.lib.process.OutputAnalyzer; 35 36 import java.util.regex.Pattern; 37 import java.util.regex.Matcher; 38 import java.util.ArrayList; 39 import java.lang.Integer; 40 41 public class SpaceUtilizationCheck { 42 // Minimum allowed utilization value (percent) 43 // The goal is to have this number to be 50% for RO and RW regions 44 // Once that feature is implemented, increase the MIN_UTILIZATION to 50 45 private static final int MIN_UTILIZATION = 30; 46 47 // Only RO and RW regions are considered for this check, since they 48 // currently account for the bulk of the shared space 49 private static final int NUMBER_OF_CHECKED_SHARED_REGIONS = 2; 50 51 public static void main(String[] args) throws Exception { 52 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 53 "-XX:+UnlockDiagnosticVMOptions", 54 "-XX:SharedArchiveFile=./SpaceUtilizationCheck.jsa", |