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test/gc/g1/TestSummarizeRSetStatsTools.java@dbb05f6d93c4 (annotated)

test/gc/g1/TestSummarizeRSetStatsTools.java

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

author

fzhinkin

date

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

changeset 6997

dbb05f6d93c4

parent 6936

0abcece2ee27

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) 2013, 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	* Common helpers for TestSummarizeRSetStats* tests
aoqi@0	26	*/
aoqi@0	27
aoqi@0	28	import sun.management.ManagementFactoryHelper;
aoqi@0	29	import com.sun.management.HotSpotDiagnosticMXBean;
aoqi@0	30	import com.sun.management.VMOption;
aoqi@0	31
aoqi@0	32	import com.oracle.java.testlibrary.*;
aoqi@0	33	import java.util.regex.Matcher;
aoqi@0	34	import java.util.regex.Pattern;
aoqi@0	35	import java.lang.Thread;
aoqi@0	36	import java.util.ArrayList;
aoqi@0	37	import java.util.Arrays;
aoqi@0	38
aoqi@0	39	class VerifySummaryOutput {
aoqi@0	40	// 4M size, both are directly allocated into the old gen
aoqi@0	41	static Object[] largeObject1 = new Object[1024 * 1024];
aoqi@0	42	static Object[] largeObject2 = new Object[1024 * 1024];
aoqi@0	43
aoqi@0	44	static int[] temp;
aoqi@0	45
aoqi@0	46	public static void main(String[] args) {
aoqi@0	47	// create some cross-references between these objects
aoqi@0	48	for (int i = 0; i < largeObject1.length; i++) {
aoqi@0	49	largeObject1[i] = largeObject2;
aoqi@0	50	}
aoqi@0	51
aoqi@0	52	for (int i = 0; i < largeObject2.length; i++) {
aoqi@0	53	largeObject2[i] = largeObject1;
aoqi@0	54	}
aoqi@0	55
aoqi@0	56	int numGCs = Integer.parseInt(args[0]);
aoqi@0	57
aoqi@0	58	if (numGCs > 0) {
aoqi@0	59	// try to force a minor collection: the young gen is 4M, the
aoqi@0	60	// amount of data allocated below is roughly that (4*1024*1024 +
aoqi@0	61	// some header data)
aoqi@0	62	for (int i = 0; i < 1024 ; i++) {
aoqi@0	63	temp = new int[1024];
aoqi@0	64	}
aoqi@0	65	}
aoqi@0	66
aoqi@0	67	for (int i = 0; i < numGCs - 1; i++) {
aoqi@0	68	System.gc();
aoqi@0	69	}
aoqi@0	70	}
aoqi@0	71	}
aoqi@0	72
aoqi@0	73	public class TestSummarizeRSetStatsTools {
aoqi@0	74
aoqi@0	75	// the VM is currently run using G1GC, i.e. trying to test G1 functionality.
aoqi@0	76	public static boolean testingG1GC() {
aoqi@0	77	HotSpotDiagnosticMXBean diagnostic = ManagementFactoryHelper.getDiagnosticMXBean();
aoqi@0	78
aoqi@0	79	VMOption option = diagnostic.getVMOption("UseG1GC");
aoqi@0	80	if (option.getValue().equals("false")) {
aoqi@0	81	System.out.println("Skipping this test. It is only a G1 test.");
aoqi@0	82	return false;
aoqi@0	83	}
aoqi@0	84	return true;
aoqi@0	85	}
aoqi@0	86
aoqi@0	87	public static String runTest(String[] additionalArgs, int numGCs) throws Exception {
aoqi@0	88	ArrayList<String> finalargs = new ArrayList<String>();
aoqi@0	89	String[] defaultArgs = new String[] {
aoqi@0	90	"-XX:+UseG1GC",
aoqi@0	91	"-Xmn4m",
aoqi@0	92	"-Xmx20m",
aoqi@0	93	"-XX:InitiatingHeapOccupancyPercent=100", // we don't want the additional GCs due to initial marking
aoqi@0	94	"-XX:+PrintGC",
aoqi@0	95	"-XX:+UnlockDiagnosticVMOptions",
aoqi@0	96	"-XX:G1HeapRegionSize=1M",
aoqi@0	97	};
aoqi@0	98
aoqi@0	99	finalargs.addAll(Arrays.asList(defaultArgs));
aoqi@0	100
aoqi@0	101	if (additionalArgs != null) {
aoqi@0	102	finalargs.addAll(Arrays.asList(additionalArgs));
aoqi@0	103	}
aoqi@0	104
aoqi@0	105	finalargs.add(VerifySummaryOutput.class.getName());
aoqi@0	106	finalargs.add(String.valueOf(numGCs));
aoqi@0	107
aoqi@0	108	ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
aoqi@0	109	finalargs.toArray(new String[0]));
aoqi@0	110	OutputAnalyzer output = new OutputAnalyzer(pb.start());
aoqi@0	111
aoqi@0	112	output.shouldHaveExitValue(0);
aoqi@0	113
aoqi@0	114	String result = output.getStdout();
aoqi@0	115	return result;
aoqi@0	116	}
aoqi@0	117
aoqi@0	118	private static void checkCounts(int expected, int actual, String which) throws Exception {
aoqi@0	119	if (expected != actual) {
aoqi@0	120	throw new Exception("RSet summaries mention " + which + " regions an incorrect number of times. Expected " + expected + ", got " + actual);
aoqi@0	121	}
aoqi@0	122	}
aoqi@0	123
aoqi@0	124	public static void expectPerRegionRSetSummaries(String result, int expectedCumulative, int expectedPeriodic) throws Exception {
aoqi@0	125	expectRSetSummaries(result, expectedCumulative, expectedPeriodic);
aoqi@0	126	int actualYoung = result.split("Young regions").length - 1;
aoqi@0	127	int actualHumonguous = result.split("Humonguous regions").length - 1;
aoqi@0	128	int actualFree = result.split("Free regions").length - 1;
aoqi@0	129	int actualOther = result.split("Old regions").length - 1;
aoqi@0	130
aoqi@0	131	// the strings we check for above are printed four times per summary
aoqi@0	132	int expectedPerRegionTypeInfo = (expectedCumulative + expectedPeriodic) * 4;
aoqi@0	133
aoqi@0	134	checkCounts(expectedPerRegionTypeInfo, actualYoung, "Young");
aoqi@0	135	checkCounts(expectedPerRegionTypeInfo, actualHumonguous, "Humonguous");
aoqi@0	136	checkCounts(expectedPerRegionTypeInfo, actualFree, "Free");
aoqi@0	137	checkCounts(expectedPerRegionTypeInfo, actualOther, "Old");
aoqi@0	138	}
aoqi@0	139
aoqi@0	140	public static void expectRSetSummaries(String result, int expectedCumulative, int expectedPeriodic) throws Exception {
aoqi@0	141	int actualTotal = result.split("concurrent refinement").length - 1;
aoqi@0	142	int actualCumulative = result.split("Cumulative RS summary").length - 1;
aoqi@0	143
aoqi@0	144	if (expectedCumulative != actualCumulative) {
aoqi@0	145	throw new Exception("Incorrect amount of RSet summaries at the end. Expected " + expectedCumulative + ", got " + actualCumulative);
aoqi@0	146	}
aoqi@0	147
aoqi@0	148	if (expectedPeriodic != (actualTotal - actualCumulative)) {
aoqi@0	149	throw new Exception("Incorrect amount of per-period RSet summaries at the end. Expected " + expectedPeriodic + ", got " + (actualTotal - actualCumulative));
aoqi@0	150	}
aoqi@0	151	}
aoqi@0	152	}
aoqi@0	153