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
26 * @bug 8031320
27 * @summary Verify that RTMLockingThreshold affects rtm state transition
28 * ProfileRTM => UseRTM.
29 * @library /test/lib /
30 * @modules java.base/jdk.internal.misc
31 * java.management
32 * @build sun.hotspot.WhiteBox
33 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
34 * sun.hotspot.WhiteBox$WhiteBoxPermission
35 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
36 * -XX:+WhiteBoxAPI
37 * compiler.rtm.locking.TestRTMLockingThreshold
38 */
39
40 package compiler.rtm.locking;
41
42 import compiler.testlibrary.rtm.AbortProvoker;
43 import compiler.testlibrary.rtm.CompilableTest;
44 import compiler.testlibrary.rtm.RTMLockingStatistics;
45 import compiler.testlibrary.rtm.RTMTestBase;
46 import compiler.testlibrary.rtm.predicate.SupportedCPU;
47 import compiler.testlibrary.rtm.predicate.SupportedOS;
48 import compiler.testlibrary.rtm.predicate.SupportedVM;
49 import jdk.internal.misc.Unsafe;
50 import jdk.test.lib.Asserts;
51 import jdk.test.lib.process.OutputAnalyzer;
52 import jdk.test.lib.cli.CommandLineOptionTest;
53 import jdk.test.lib.cli.predicate.AndPredicate;
54
55 import java.util.List;
56
57 /**
58 * Test verifies that RTMLockingThreshold option actually affects how soon
59 * method will be deoptimized on low abort ratio.
60 */
61 public class TestRTMLockingThreshold extends CommandLineOptionTest {
62 private TestRTMLockingThreshold() {
63 super(new AndPredicate(new SupportedCPU(), new SupportedOS(), new SupportedVM()));
64 }
65
66 /**
67 * We use non-zero abort threshold to avoid abort related to
68 * interrupts, VMM calls, etc. during first lock attempt.
69 *
70 */
71 private static final int MIN_ABORT_THRESHOLD = 10;
72
73 @Override
74 protected void runTestCases() throws Throwable {
75 verifyLockingThreshold(0, false);
76 verifyLockingThreshold(100, false);
77 verifyLockingThreshold(1000, false);
78
79 verifyLockingThreshold(0, true);
80 verifyLockingThreshold(100, true);
81 verifyLockingThreshold(1000, true);
82 }
83
84 private void verifyLockingThreshold(int lockingThreshold,
85 boolean useStackLock) throws Throwable {
86 CompilableTest test = new Test();
87
88 int abortThreshold = Math.max(lockingThreshold / 2,
89 TestRTMLockingThreshold.MIN_ABORT_THRESHOLD);
90
91 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
92 test,
93 "-XX:CompileThreshold=1",
166 /**
167 * Usage:
168 * Test <inflate monitor>
169 */
170 public static void main(String args[]) throws Throwable {
171 Asserts.assertGTE(args.length, 2, "Two arguments required.");
172 Test t = new Test();
173 boolean shouldBeInflated = Boolean.valueOf(args[0]);
174 int lockingThreshold = Integer.valueOf(args[1]);
175 if (shouldBeInflated) {
176 AbortProvoker.inflateMonitor(t.monitor);
177 }
178 for (int i = 0; i < Test.TOTAL_ITERATIONS; i++) {
179 AbortProvoker.verifyMonitorState(t.monitor, shouldBeInflated);
180 t.lock(i >= lockingThreshold / 2);
181 }
182 }
183 }
184
185 public static void main(String args[]) throws Throwable {
186 new TestRTMLockingThreshold().test();
187 }
188 }
|
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
26 * @bug 8031320
27 * @summary Verify that RTMLockingThreshold affects rtm state transition
28 * ProfileRTM => UseRTM.
29 * @library /test/lib /
30 * @modules java.base/jdk.internal.misc
31 * java.management
32 * @requires vm.flavor == "server" & !vm.emulatedClient & vm.rtm.cpu & vm.rtm.os
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.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 jdk.internal.misc.Unsafe;
48 import jdk.test.lib.Asserts;
49 import jdk.test.lib.process.OutputAnalyzer;
50 import jdk.test.lib.cli.CommandLineOptionTest;
51
52 import java.util.List;
53
54 /**
55 * Test verifies that RTMLockingThreshold option actually affects how soon
56 * method will be deoptimized on low abort ratio.
57 */
58 public class TestRTMLockingThreshold {
59
60 /**
61 * We use non-zero abort threshold to avoid abort related to
62 * interrupts, VMM calls, etc. during first lock attempt.
63 *
64 */
65 private static final int MIN_ABORT_THRESHOLD = 10;
66
67 protected void runTestCases() throws Throwable {
68 verifyLockingThreshold(0, false);
69 verifyLockingThreshold(100, false);
70 verifyLockingThreshold(1000, false);
71
72 verifyLockingThreshold(0, true);
73 verifyLockingThreshold(100, true);
74 verifyLockingThreshold(1000, true);
75 }
76
77 private void verifyLockingThreshold(int lockingThreshold,
78 boolean useStackLock) throws Throwable {
79 CompilableTest test = new Test();
80
81 int abortThreshold = Math.max(lockingThreshold / 2,
82 TestRTMLockingThreshold.MIN_ABORT_THRESHOLD);
83
84 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
85 test,
86 "-XX:CompileThreshold=1",
159 /**
160 * Usage:
161 * Test <inflate monitor>
162 */
163 public static void main(String args[]) throws Throwable {
164 Asserts.assertGTE(args.length, 2, "Two arguments required.");
165 Test t = new Test();
166 boolean shouldBeInflated = Boolean.valueOf(args[0]);
167 int lockingThreshold = Integer.valueOf(args[1]);
168 if (shouldBeInflated) {
169 AbortProvoker.inflateMonitor(t.monitor);
170 }
171 for (int i = 0; i < Test.TOTAL_ITERATIONS; i++) {
172 AbortProvoker.verifyMonitorState(t.monitor, shouldBeInflated);
173 t.lock(i >= lockingThreshold / 2);
174 }
175 }
176 }
177
178 public static void main(String args[]) throws Throwable {
179 new TestRTMLockingThreshold().runTestCases();
180 }
181 }
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