1 /*
2 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * @test
26 * @bug 8031320
27 * @summary Verify that RTMTotalCountIncrRate option affects
28 * RTM locking statistics.
29 * @library /test/lib /
30 * @modules java.base/jdk.internal.misc
31 * java.management
32 * @requires vm.rtm.cpu & vm.rtm.compiler
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.TestRTMTotalCountIncrRate
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 with RTMTotalCountIncrRate=1 RTM locking statistics
56 * contains precise information abort attempted locks and that with other values
57 * statistics contains information abort non-zero locking attempts.
58 * Since assert done for RTMTotalCountIncrRate=1 is pretty strict, test uses
59 * -XX:RTMRetryCount=0 to avoid issue with retriable aborts. For more details on
60 * that issue see {@link TestUseRTMAfterLockInflation}.
61 */
62 public class TestRTMTotalCountIncrRate {
63 protected void runTestCases() throws Throwable {
64 verifyLocksCount(1, false);
65 verifyLocksCount(64, false);
66 verifyLocksCount(128, false);
67 verifyLocksCount(1, true);
87
88 outputAnalyzer.shouldHaveExitValue(0);
89
90 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
91 test.getMethodWithLockName(), outputAnalyzer.getOutput());
92
93 Asserts.assertEQ(statistics.size(), 1, "VM output should contain "
94 + "exactly one RTM locking statistics entry for method "
95 + test.getMethodWithLockName());
96
97 RTMLockingStatistics lock = statistics.get(0);
98 if (incrRate == 1) {
99 Asserts.assertEQ(lock.getTotalLocks(), Test.TOTAL_ITERATIONS,
100 "Total locks should be exactly the same as amount of "
101 + "iterations.");
102 }
103 }
104
105 public static class Test implements CompilableTest {
106 private static final long TOTAL_ITERATIONS = 10000L;
107 private static final Unsafe UNSAFE = Unsafe.getUnsafe();
108 private final Object monitor = new Object();
109 // Following field have to be static in order to avoid escape analysis.
110 @SuppressWarnings("UnsuedDeclaration")
111 private static int field = 0;
112
113 @Override
114 public String getMethodWithLockName() {
115 return this.getClass().getName() + "::lock";
116 }
117
118 @Override
119 public String[] getMethodsToCompileNames() {
120 return new String[] { getMethodWithLockName() };
121 }
122
123 public void lock(boolean forceAbort) {
124 synchronized(monitor) {
125 if (forceAbort) {
126 // We're calling native method in order to force
127 // abort. It's done by explicit xabort call emitted
128 // in SharedRuntime::generate_native_wrapper.
129 // If an actual JNI call will be replaced by
130 // intrinsic - we'll be in trouble, since xabort
131 // will be no longer called and test may fail.
132 UNSAFE.pageSize();
133 }
134 Test.field++;
135 }
136 }
137
138 /**
139 * Usage:
140 * Test <inflate monitor>
141 */
142 public static void main(String args[]) throws Throwable {
143 Asserts.assertGTE(args.length, 1, "One argument required.");
144 Test test = new Test();
145 boolean shouldBeInflated = Boolean.valueOf(args[0]);
146 if (shouldBeInflated) {
147 AbortProvoker.inflateMonitor(test.monitor);
148 }
149 for (long i = 0L; i < Test.TOTAL_ITERATIONS; i++) {
150 AbortProvoker.verifyMonitorState(test.monitor,
151 shouldBeInflated);
152 // Force abort on first iteration to avoid rare case when
|
1 /*
2 * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * @test
26 * @bug 8031320
27 * @summary Verify that RTMTotalCountIncrRate option affects
28 * RTM locking statistics.
29 * @library /test/lib /
30 * @modules java.base/jdk.internal.misc
31 * java.management
32 * @requires vm.rtm.cpu & vm.rtm.compiler
33 * @build sun.hotspot.WhiteBox
34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
35 * sun.hotspot.WhiteBox$WhiteBoxPermission
36 * @run main/othervm/native -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
37 * -XX:+WhiteBoxAPI
38 * compiler.rtm.locking.TestRTMTotalCountIncrRate
39 */
40
41 package compiler.rtm.locking;
42
43 import compiler.testlibrary.rtm.AbortProvoker;
44 import compiler.testlibrary.rtm.XAbortProvoker;
45 import compiler.testlibrary.rtm.CompilableTest;
46 import compiler.testlibrary.rtm.RTMLockingStatistics;
47 import compiler.testlibrary.rtm.RTMTestBase;
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 with RTMTotalCountIncrRate=1 RTM locking statistics
56 * contains precise information abort attempted locks and that with other values
57 * statistics contains information abort non-zero locking attempts.
58 * Since assert done for RTMTotalCountIncrRate=1 is pretty strict, test uses
59 * -XX:RTMRetryCount=0 to avoid issue with retriable aborts. For more details on
60 * that issue see {@link TestUseRTMAfterLockInflation}.
61 */
62 public class TestRTMTotalCountIncrRate {
63 protected void runTestCases() throws Throwable {
64 verifyLocksCount(1, false);
65 verifyLocksCount(64, false);
66 verifyLocksCount(128, false);
67 verifyLocksCount(1, true);
87
88 outputAnalyzer.shouldHaveExitValue(0);
89
90 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
91 test.getMethodWithLockName(), outputAnalyzer.getOutput());
92
93 Asserts.assertEQ(statistics.size(), 1, "VM output should contain "
94 + "exactly one RTM locking statistics entry for method "
95 + test.getMethodWithLockName());
96
97 RTMLockingStatistics lock = statistics.get(0);
98 if (incrRate == 1) {
99 Asserts.assertEQ(lock.getTotalLocks(), Test.TOTAL_ITERATIONS,
100 "Total locks should be exactly the same as amount of "
101 + "iterations.");
102 }
103 }
104
105 public static class Test implements CompilableTest {
106 private static final long TOTAL_ITERATIONS = 10000L;
107 private final XAbortProvoker xabort = new XAbortProvoker();
108 private final Object monitor = new Object();
109 // Following field have to be static in order to avoid escape analysis.
110 @SuppressWarnings("UnsuedDeclaration")
111 private static int field = 0;
112
113 @Override
114 public String getMethodWithLockName() {
115 return this.getClass().getName() + "::lock";
116 }
117
118 @Override
119 public String[] getMethodsToCompileNames() {
120 return new String[] { getMethodWithLockName(), "*.doAbort" };
121 }
122
123 public void lock(boolean forceAbort) {
124 synchronized(monitor) {
125 if (forceAbort) {
126 // We're calling native method in order to force
127 // abort. It's done by explicit xabort call emitted
128 // in SharedRuntime::generate_native_wrapper.
129 // If an actual JNI call will be replaced by
130 // intrinsic - we'll be in trouble, since xabort
131 // will be no longer called and test may fail.
132 xabort.doAbort();
133 }
134 Test.field++;
135 }
136 }
137
138 /**
139 * Usage:
140 * Test <inflate monitor>
141 */
142 public static void main(String args[]) throws Throwable {
143 Asserts.assertGTE(args.length, 1, "One argument required.");
144 Test test = new Test();
145 boolean shouldBeInflated = Boolean.valueOf(args[0]);
146 if (shouldBeInflated) {
147 AbortProvoker.inflateMonitor(test.monitor);
148 }
149 for (long i = 0L; i < Test.TOTAL_ITERATIONS; i++) {
150 AbortProvoker.verifyMonitorState(test.monitor,
151 shouldBeInflated);
152 // Force abort on first iteration to avoid rare case when
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