test/compiler/rtm/locking/TestUseRTMXendForLockBusy.java

Mon, 28 Jul 2014 15:06:38 -0700

author
fzhinkin
date
Mon, 28 Jul 2014 15:06:38 -0700
changeset 6997
dbb05f6d93c4
parent 0
f90c822e73f8
permissions
-rw-r--r--

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 *
aoqi@0 23 */
aoqi@0 24
aoqi@0 25 /**
aoqi@0 26 * @test
aoqi@0 27 * @bug 8031320
aoqi@0 28 * @summary Verify that UseRTMXendForLockBusy option affects
aoqi@0 29 * method behaviour if lock is busy.
aoqi@0 30 * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
aoqi@0 31 * @build TestUseRTMXendForLockBusy
aoqi@0 32 * @run main ClassFileInstaller sun.hotspot.WhiteBox
aoqi@0 33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
aoqi@0 34 * -XX:+WhiteBoxAPI TestUseRTMXendForLockBusy
aoqi@0 35 */
aoqi@0 36
aoqi@0 37 import java.util.List;
aoqi@0 38
aoqi@0 39 import com.oracle.java.testlibrary.*;
aoqi@0 40 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
aoqi@0 41 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
aoqi@0 42 import rtm.*;
aoqi@0 43 import rtm.predicate.SupportedCPU;
aoqi@0 44 import rtm.predicate.SupportedVM;
aoqi@0 45
aoqi@0 46 /**
aoqi@0 47 * Test verifies that with +UseRTMXendForLockBusy there will be no aborts
aoqi@0 48 * forced by the test.
aoqi@0 49 */
aoqi@0 50 public class TestUseRTMXendForLockBusy extends CommandLineOptionTest {
aoqi@0 51 private final static int LOCKING_TIME = 5000;
aoqi@0 52
aoqi@0 53 private TestUseRTMXendForLockBusy() {
aoqi@0 54 super(new AndPredicate(new SupportedVM(), new SupportedCPU()));
aoqi@0 55 }
aoqi@0 56
aoqi@0 57 @Override
aoqi@0 58 protected void runTestCases() throws Throwable {
aoqi@0 59 // inflated lock, xabort on lock busy
aoqi@0 60 verifyXendForLockBusy(true, false);
aoqi@0 61 // inflated lock, xend on lock busy
aoqi@0 62 verifyXendForLockBusy(true, true);
aoqi@0 63 // stack lock, xabort on lock busy
aoqi@0 64 verifyXendForLockBusy(false, false);
aoqi@0 65 // stack lock, xend on lock busy
aoqi@0 66 verifyXendForLockBusy(false, true);
aoqi@0 67 }
aoqi@0 68
aoqi@0 69 private void verifyXendForLockBusy(boolean inflateMonitor,
aoqi@0 70 boolean useXend) throws Throwable {
aoqi@0 71 CompilableTest test = new BusyLock();
aoqi@0 72
aoqi@0 73 OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
aoqi@0 74 test,
aoqi@0 75 CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
aoqi@0 76 inflateMonitor),
aoqi@0 77 CommandLineOptionTest.prepareBooleanFlag(
aoqi@0 78 "UseRTMXendForLockBusy",
aoqi@0 79 useXend),
aoqi@0 80 "-XX:RTMRetryCount=0",
aoqi@0 81 "-XX:RTMTotalCountIncrRate=1",
aoqi@0 82 "-XX:+PrintPreciseRTMLockingStatistics",
aoqi@0 83 BusyLock.class.getName(),
aoqi@0 84 Boolean.toString(inflateMonitor),
aoqi@0 85 Integer.toString(TestUseRTMXendForLockBusy.LOCKING_TIME)
aoqi@0 86 );
aoqi@0 87
aoqi@0 88 outputAnalyzer.shouldHaveExitValue(0);
aoqi@0 89
aoqi@0 90 List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
aoqi@0 91 test.getMethodWithLockName(), outputAnalyzer.getOutput());
aoqi@0 92
aoqi@0 93 Asserts.assertEQ(statistics.size(), 1, "VM output should contain "
aoqi@0 94 + "exactly one rtm locking statistics entry for method "
aoqi@0 95 + test.getMethodWithLockName());
aoqi@0 96
aoqi@0 97 long aborts = statistics.get(0).getAborts(AbortType.XABORT);
aoqi@0 98
aoqi@0 99 if (useXend) {
aoqi@0 100 Asserts.assertEQ(aborts, 0L,
aoqi@0 101 "Expected to get no aborts on busy lock");
aoqi@0 102 } else {
aoqi@0 103 Asserts.assertGT(aborts, 0L,
aoqi@0 104 "Expected to get at least one abort on busy lock");
aoqi@0 105 }
aoqi@0 106 }
aoqi@0 107
aoqi@0 108 public static void main(String args[]) throws Throwable {
aoqi@0 109 new TestUseRTMXendForLockBusy().test();
aoqi@0 110 }
aoqi@0 111 }

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