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 /** 26 * @test 27 * @bug 8031320 28 * @summary Verify that RTMSpinLoopCount affects time spent 29 * between locking attempts. 30 * @library /testlibrary /test/lib / 31 * @modules java.base/jdk.internal.misc 32 * java.management 33 * @build compiler.rtm.locking.TestRTMSpinLoopCount 34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 37 * -XX:+WhiteBoxAPI 38 * compiler.rtm.locking.TestRTMSpinLoopCount 39 */ 40 41 package compiler.rtm.locking; 42 43 import compiler.testlibrary.rtm.BusyLock; 44 import compiler.testlibrary.rtm.CompilableTest; 45 import compiler.testlibrary.rtm.RTMLockingStatistics; 46 import compiler.testlibrary.rtm.RTMTestBase; 47 import compiler.testlibrary.rtm.predicate.SupportedCPU; 48 import compiler.testlibrary.rtm.predicate.SupportedVM; 49 import jdk.test.lib.Asserts; 50 import jdk.test.lib.OutputAnalyzer; 51 import jdk.test.lib.cli.CommandLineOptionTest; 52 import jdk.test.lib.cli.predicate.AndPredicate; 53 54 import java.util.List; 55 56 /** 57 * Test verifies that RTMSpinLoopCount increase time spent between retries 58 * by comparing amount of retries done with different RTMSpinLoopCount's values. 59 */ 60 public class TestRTMSpinLoopCount extends CommandLineOptionTest { 61 private static final int LOCKING_TIME = 1000; 62 private static final int RTM_RETRY_COUNT = 1000; 63 private static final boolean INFLATE_MONITOR = true; 64 private static final long MAX_ABORTS = RTM_RETRY_COUNT + 1L; 65 private static final int[] SPIN_LOOP_COUNTS 66 = new int[] { 0, 100, 1_000, 1_000_000, 10_000_000 }; 67 68 private TestRTMSpinLoopCount() { 69 super(new AndPredicate(new SupportedVM(), new SupportedCPU())); 70 } | 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 /** 26 * @test 27 * @bug 8031320 28 * @summary Verify that RTMSpinLoopCount affects time spent 29 * between locking attempts. 30 * @library /test/lib / 31 * @modules java.base/jdk.internal.misc 32 * java.management 33 * @build sun.hotspot.WhiteBox 34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 37 * -XX:+WhiteBoxAPI 38 * compiler.rtm.locking.TestRTMSpinLoopCount 39 */ 40 41 package compiler.rtm.locking; 42 43 import compiler.testlibrary.rtm.BusyLock; 44 import compiler.testlibrary.rtm.CompilableTest; 45 import compiler.testlibrary.rtm.RTMLockingStatistics; 46 import compiler.testlibrary.rtm.RTMTestBase; 47 import compiler.testlibrary.rtm.predicate.SupportedCPU; 48 import compiler.testlibrary.rtm.predicate.SupportedVM; 49 import jdk.test.lib.Asserts; 50 import jdk.test.lib.process.OutputAnalyzer; 51 import jdk.test.lib.cli.CommandLineOptionTest; 52 import jdk.test.lib.cli.predicate.AndPredicate; 53 54 import java.util.List; 55 56 /** 57 * Test verifies that RTMSpinLoopCount increase time spent between retries 58 * by comparing amount of retries done with different RTMSpinLoopCount's values. 59 */ 60 public class TestRTMSpinLoopCount extends CommandLineOptionTest { 61 private static final int LOCKING_TIME = 1000; 62 private static final int RTM_RETRY_COUNT = 1000; 63 private static final boolean INFLATE_MONITOR = true; 64 private static final long MAX_ABORTS = RTM_RETRY_COUNT + 1L; 65 private static final int[] SPIN_LOOP_COUNTS 66 = new int[] { 0, 100, 1_000, 1_000_000, 10_000_000 }; 67 68 private TestRTMSpinLoopCount() { 69 super(new AndPredicate(new SupportedVM(), new SupportedCPU())); 70 } |