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 RTMLockingThreshold affects rtm state transition 29 * ProfileRTM => UseRTM. 30 * @library /testlibrary /test/lib / 31 * @modules java.base/jdk.internal.misc 32 * java.management 33 * @build TestRTMLockingThreshold 34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 37 * -XX:+WhiteBoxAPI TestRTMLockingThreshold 38 */ 39 40 import java.util.List; 41 import jdk.test.lib.*; 42 import jdk.test.lib.cli.CommandLineOptionTest; 43 import jdk.test.lib.cli.predicate.AndPredicate; 44 import compiler.testlibrary.rtm.*; 45 import compiler.testlibrary.rtm.predicate.SupportedCPU; 46 import compiler.testlibrary.rtm.predicate.SupportedVM; 47 import jdk.internal.misc.Unsafe; 48 49 /** 50 * Test verifies that RTMLockingThreshold option actually affects how soon 51 * method will be deoptimized on low abort ratio. 52 */ 53 public class TestRTMLockingThreshold extends CommandLineOptionTest { 54 private TestRTMLockingThreshold() { 55 super(new AndPredicate(new SupportedVM(), new SupportedCPU())); 56 } 57 58 /** 59 * We use non-zero abort threshold to avoid abort related to 60 * interrupts, VMM calls, etc. during first lock attempt. 61 * 62 */ 63 private static final int MIN_ABORT_THRESHOLD = 10; 64 65 @Override 66 protected void runTestCases() throws Throwable { 67 verifyLockingThreshold(0, false); | 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 /** 26 * @test 27 * @bug 8031320 28 * @summary Verify that RTMLockingThreshold affects rtm state transition 29 * ProfileRTM => UseRTM. 30 * @library /testlibrary /test/lib / 31 * @modules java.base/jdk.internal.misc 32 * java.management 33 * @build compiler.rtm.locking.TestRTMLockingThreshold 34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 37 * -XX:+WhiteBoxAPI 38 * compiler.rtm.locking.TestRTMLockingThreshold 39 */ 40 41 package compiler.rtm.locking; 42 43 import compiler.testlibrary.rtm.AbortProvoker; 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.internal.misc.Unsafe; 50 import jdk.test.lib.Asserts; 51 import jdk.test.lib.OutputAnalyzer; 52 import jdk.test.lib.Utils; 53 import jdk.test.lib.cli.CommandLineOptionTest; 54 import jdk.test.lib.cli.predicate.AndPredicate; 55 56 import java.util.List; 57 58 /** 59 * Test verifies that RTMLockingThreshold option actually affects how soon 60 * method will be deoptimized on low abort ratio. 61 */ 62 public class TestRTMLockingThreshold extends CommandLineOptionTest { 63 private TestRTMLockingThreshold() { 64 super(new AndPredicate(new SupportedVM(), new SupportedCPU())); 65 } 66 67 /** 68 * We use non-zero abort threshold to avoid abort related to 69 * interrupts, VMM calls, etc. during first lock attempt. 70 * 71 */ 72 private static final int MIN_ABORT_THRESHOLD = 10; 73 74 @Override 75 protected void runTestCases() throws Throwable { 76 verifyLockingThreshold(0, false); |