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 TestRTMSpinLoopCount
34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
35 * sun.hotspot.WhiteBox$WhiteBoxPermission
36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
37 * -XX:+WhiteBoxAPI TestRTMSpinLoopCount
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
48 /**
49 * Test verifies that RTMSpinLoopCount increase time spent between retries
50 * by comparing amount of retries done with different RTMSpinLoopCount's values.
51 */
52 public class TestRTMSpinLoopCount extends CommandLineOptionTest {
53 private static final int LOCKING_TIME = 1000;
54 private static final int RTM_RETRY_COUNT = 1000;
55 private static final boolean INFLATE_MONITOR = true;
56 private static final long MAX_ABORTS = RTM_RETRY_COUNT + 1L;
57 private static final int[] SPIN_LOOP_COUNTS
58 = new int[] { 0, 100, 1_000, 1_000_000, 10_000_000 };
59
60 private TestRTMSpinLoopCount() {
61 super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
62 }
63
64 @Override
65 protected void runTestCases() throws Throwable {
66 long[] aborts = new long[TestRTMSpinLoopCount.SPIN_LOOP_COUNTS.length];
67 for (int i = 0; i < TestRTMSpinLoopCount.SPIN_LOOP_COUNTS.length; i++) {
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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 }
71
72 @Override
73 protected void runTestCases() throws Throwable {
74 long[] aborts = new long[TestRTMSpinLoopCount.SPIN_LOOP_COUNTS.length];
75 for (int i = 0; i < TestRTMSpinLoopCount.SPIN_LOOP_COUNTS.length; i++) {
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