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test/compiler/rtm/method_options/TestUseRTMLockElidingOption.java@a51071796915 (annotated)

test/compiler/rtm/method_options/TestUseRTMLockElidingOption.java

Wed, 21 Jan 2015 12:38:11 +0100

author

goetz

date

Wed, 21 Jan 2015 12:38:11 +0100

changeset 7574

a51071796915

parent 0

f90c822e73f8

permissions

-rw-r--r--

8068013: [TESTBUG] Aix support in hotspot jtreg tests
Reviewed-by: ctornqvi, fzhinkin, farvidsson

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 UseRTMLockEliding option could be applied to
aoqi@0	29	* specified method and that such method will not be deoptimized
aoqi@0	30	* on high abort ratio.
aoqi@0	31	* @library /testlibrary /testlibrary/whitebox /compiler/testlibrary
aoqi@0	32	* @build TestUseRTMLockElidingOption
aoqi@0	33	* @run main ClassFileInstaller sun.hotspot.WhiteBox
aoqi@0	34	* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
aoqi@0	35	* -XX:+WhiteBoxAPI TestUseRTMLockElidingOption
aoqi@0	36	*/
aoqi@0	37
aoqi@0	38	import java.util.List;
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 method tagged with option <i>UseRTMLockElidingOption</i>
aoqi@0	48	* will use RTM-based lock elision, but will be never deoptimized with
aoqi@0	49	* <i>rtm_state_change reason</i>.
aoqi@0	50	* Test invokes compiled method and checks that no deoptimization with
aoqi@0	51	* <i>rtm_state_change</i> reason had happened and that that VM output
aoqi@0	52	* contains RTM locking statistics for compiled method and that total locks
aoqi@0	53	* count equals to method's invocations.
aoqi@0	54	* Since last assert is pretty strict, test uses -XX:RTMRetryCount=0 in order
aoqi@0	55	* to avoid issue with retriable aborts described in
aoqi@0	56	* {@link TestUseRTMAfterLockInflation}.
aoqi@0	57	*/
aoqi@0	58	public class TestUseRTMLockElidingOption extends CommandLineOptionTest {
aoqi@0	59	private TestUseRTMLockElidingOption() {
aoqi@0	60	super(new AndPredicate(new SupportedCPU(), new SupportedVM()));
aoqi@0	61	}
aoqi@0	62
aoqi@0	63	@Override
aoqi@0	64	public void runTestCases() throws Throwable {
aoqi@0	65	verifyOption(false);
aoqi@0	66	verifyOption(true);
aoqi@0	67	}
aoqi@0	68
aoqi@0	69	public void verifyOption(boolean useStackLock) throws Throwable {
aoqi@0	70	AbortProvoker provoker = AbortType.XABORT.provoker();
aoqi@0	71	String logFileName = String.format("rtm_deopt_%s_stack_lock.xml",
aoqi@0	72	(useStackLock ? "use" : "no"));
aoqi@0	73	String methodOption = String.format("-XX:CompileCommand=option," +
aoqi@0	74	"%s,UseRTMLockEliding", provoker.getMethodWithLockName());
aoqi@0	75
aoqi@0	76	OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(
aoqi@0	77	logFileName,
aoqi@0	78	provoker,
aoqi@0	79	CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks",
aoqi@0	80	useStackLock),
aoqi@0	81	methodOption,
aoqi@0	82	"-XX:RTMTotalCountIncrRate=1",
aoqi@0	83	"-XX:RTMRetryCount=0",
aoqi@0	84	"-XX:+UseRTMDeopt",
aoqi@0	85	"-XX:+PrintPreciseRTMLockingStatistics",
aoqi@0	86	provoker.getClass().getName(),
aoqi@0	87	AbortType.XABORT.toString(),
aoqi@0	88	Boolean.toString(!useStackLock)
aoqi@0	89	);
aoqi@0	90
aoqi@0	91	outputAnalyzer.shouldHaveExitValue(0);
aoqi@0	92
aoqi@0	93	int firedTraps = RTMTestBase.firedRTMStateChangeTraps(logFileName);
aoqi@0	94
aoqi@0	95	Asserts.assertEQ(firedTraps, 0,
aoqi@0	96	"Method deoptimization with rtm_state_change is unexpected");
aoqi@0	97
aoqi@0	98	List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString(
aoqi@0	99	provoker.getMethodWithLockName(), outputAnalyzer.getOutput());
aoqi@0	100
aoqi@0	101	Asserts.assertEQ(statistics.size(), 1,
aoqi@0	102	"VM output should contain exactly one RTM locking "
aoqi@0	103	+ "statistics entry for method "
aoqi@0	104	+ provoker.getMethodWithLockName());
aoqi@0	105
aoqi@0	106	RTMLockingStatistics lock = statistics.get(0);
aoqi@0	107
aoqi@0	108	Asserts.assertEQ(lock.getTotalLocks(), AbortProvoker.DEFAULT_ITERATIONS,
aoqi@0	109	"Expected to get total locks count equal to total amount of "
aoqi@0	110	+ "lock attempts.");
aoqi@0	111	}
aoqi@0	112
aoqi@0	113	public static void main(String args[]) throws Throwable {
aoqi@0	114	new TestUseRTMLockElidingOption().test();
aoqi@0	115	}
aoqi@0	116	}