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 rtm locking is used for stack locks before 29 * inflation and after it used for inflated locks. 30 * @library /testlibrary /test/lib / 31 * @modules java.base/jdk.internal.misc 32 * java.management 33 * @build compiler.rtm.locking.TestUseRTMAfterLockInflation 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.TestUseRTMAfterLockInflation 39 */ 40 41 package compiler.rtm.locking; 42 43 import compiler.testlibrary.rtm.AbortProvoker; 44 import compiler.testlibrary.rtm.AbortType; 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 RTM is used after lock inflation by executing compiled 58 * method with RTM-based lock elision using stack lock first, then that lock 59 * is inflated and the same compiled method invoked again. 60 * 61 * Compiled method invoked {@code AbortProvoker.DEFAULT_ITERATIONS} times before 62 * lock inflation and the same amount of times after inflation. 63 * As a result total locks count should be equal to 64 * {@code 2 * AbortProvoker.DEFAULT_ITERATIONS}. 65 * It is a pretty strict assertion which could fail if some retriable abort 66 * happened: it could be {@code AbortType.RETRIABLE} or 67 * {@code AbortType.MEM_CONFLICT}, but unfortunately abort can has both these 68 * reasons simultaneously. In order to avoid false negative failures related 69 * to incorrect aborts counting, -XX:RTMRetryCount=0 is used. 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 rtm locking is used for stack locks before 29 * inflation and after it used for inflated locks. 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.TestUseRTMAfterLockInflation 39 */ 40 41 package compiler.rtm.locking; 42 43 import compiler.testlibrary.rtm.AbortProvoker; 44 import compiler.testlibrary.rtm.AbortType; 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 RTM is used after lock inflation by executing compiled 58 * method with RTM-based lock elision using stack lock first, then that lock 59 * is inflated and the same compiled method invoked again. 60 * 61 * Compiled method invoked {@code AbortProvoker.DEFAULT_ITERATIONS} times before 62 * lock inflation and the same amount of times after inflation. 63 * As a result total locks count should be equal to 64 * {@code 2 * AbortProvoker.DEFAULT_ITERATIONS}. 65 * It is a pretty strict assertion which could fail if some retriable abort 66 * happened: it could be {@code AbortType.RETRIABLE} or 67 * {@code AbortType.MEM_CONFLICT}, but unfortunately abort can has both these 68 * reasons simultaneously. In order to avoid false negative failures related 69 * to incorrect aborts counting, -XX:RTMRetryCount=0 is used. 70 */ |