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test/serviceability/sa/jmap-hprof/JMapHProfLargeHeapTest.java@710a3c8b516e (annotated)

test/serviceability/sa/jmap-hprof/JMapHProfLargeHeapTest.java

Tue, 08 Aug 2017 15:57:29 +0800

author

aoqi

date

Tue, 08 Aug 2017 15:57:29 +0800

changeset 6876

710a3c8b516e

parent 6717

09f19d3de485

parent 0

f90c822e73f8

child 9931

fd44df5e3bc3

permissions

-rw-r--r--

merge

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	import java.io.BufferedReader;
aoqi@0	25	import java.io.File;
aoqi@0	26	import java.io.FileNotFoundException;
aoqi@0	27	import java.io.FileReader;
aoqi@0	28	import java.io.IOException;
aoqi@0	29	import java.io.Reader;
aoqi@0	30	import java.nio.CharBuffer;
aoqi@0	31	import java.util.Arrays;
aoqi@0	32	import java.util.Scanner;
aoqi@0	33
aoqi@0	34	import com.oracle.java.testlibrary.Asserts;
aoqi@0	35	import com.oracle.java.testlibrary.JDKToolFinder;
aoqi@0	36	import com.oracle.java.testlibrary.JDKToolLauncher;
aoqi@0	37	import com.oracle.java.testlibrary.OutputAnalyzer;
aoqi@0	38	import com.oracle.java.testlibrary.Platform;
aoqi@0	39	import com.oracle.java.testlibrary.ProcessTools;
aoqi@0	40
aoqi@0	41	/*
aoqi@0	42	* @test
aoqi@0	43	* @bug 6313383
aoqi@0	44	* @key regression
aoqi@0	45	* @summary Regression test for hprof export issue due to large heaps (>2G)
aoqi@0	46	* @library /testlibrary
aoqi@0	47	* @build com.oracle.java.testlibrary.* JMapHProfLargeHeapProc
aoqi@0	48	* @run main JMapHProfLargeHeapTest
aoqi@0	49	*/
aoqi@0	50
aoqi@0	51	public class JMapHProfLargeHeapTest {
aoqi@0	52	private static final String HEAP_DUMP_FILE_NAME = "heap.hprof";
aoqi@0	53	private static final String HPROF_HEADER_1_0_1 = "JAVA PROFILE 1.0.1";
aoqi@0	54	private static final String HPROF_HEADER_1_0_2 = "JAVA PROFILE 1.0.2";
aoqi@0	55	private static final long M = 1024L;
aoqi@0	56	private static final long G = 1024L * M;
aoqi@0	57
aoqi@0	58	public static void main(String[] args) throws Exception {
aoqi@0	59	// If we are on MacOSX, test if JMap tool is signed, otherwise return
aoqi@0	60	// since test will fail with privilege error.
aoqi@0	61	if (Platform.isOSX()) {
aoqi@0	62	String jmapToolPath = JDKToolFinder.getTestJDKTool("jmap");
aoqi@0	63	ProcessBuilder codesignProcessBuilder = new ProcessBuilder(
aoqi@0	64	"codesign", "-v", jmapToolPath);
aoqi@0	65	Process codesignProcess = codesignProcessBuilder.start();
aoqi@0	66	OutputAnalyzer analyser = new OutputAnalyzer(codesignProcess);
aoqi@0	67	try {
aoqi@0	68	analyser.shouldNotContain("code object is not signed at all");
aoqi@0	69	System.out.println("Signed jmap found at: " + jmapToolPath);
aoqi@0	70	} catch (Exception e) {
aoqi@0	71	// Abort since we can't know if the test will work
aoqi@0	72	System.out
aoqi@0	73	.println("Test aborted since we are on MacOSX and the jmap tool is not signed.");
aoqi@0	74	return;
aoqi@0	75	}
aoqi@0	76	}
aoqi@0	77
aoqi@0	78	// Small heap 22 megabytes, should create 1.0.1 file format
aoqi@0	79	testHProfFileFormat("-Xmx1g", 22 * M, HPROF_HEADER_1_0_1);
aoqi@0	80
aoqi@0	81	/**
aoqi@0	82	* This test was deliberately commented out since the test system lacks
aoqi@0	83	* support to handle the requirements for this kind of heap size in a
aoqi@0	84	* good way. If or when it becomes possible to run this kind of tests in
aoqi@0	85	* the test environment the test should be enabled again.
aoqi@0	86	* */
aoqi@0	87	// Large heap 2,2 gigabytes, should create 1.0.2 file format
aoqi@0	88	// testHProfFileFormat("-Xmx4g", 2 * G + 2 * M, HPROF_HEADER_1_0_2);
aoqi@0	89	}
aoqi@0	90
aoqi@0	91	private static void testHProfFileFormat(String vmArgs, long heapSize,
aoqi@0	92	String expectedFormat) throws Exception, IOException,
aoqi@0	93	InterruptedException, FileNotFoundException {
aoqi@0	94	ProcessBuilder procBuilder = ProcessTools.createJavaProcessBuilder(
aoqi@0	95	vmArgs, "JMapHProfLargeHeapProc", String.valueOf(heapSize));
aoqi@0	96	procBuilder.redirectError(ProcessBuilder.Redirect.INHERIT);
aoqi@0	97	Process largeHeapProc = procBuilder.start();
aoqi@0	98
aoqi@0	99	try (Scanner largeHeapScanner = new Scanner(
aoqi@0	100	largeHeapProc.getInputStream());) {
aoqi@0	101	String pidstring = null;
aoqi@0	102	while ((pidstring = largeHeapScanner.findInLine("PID\\[[0-9].*\\]")) == null) {
aoqi@0	103	Thread.sleep(500);
aoqi@0	104	}
aoqi@0	105	int pid = Integer.parseInt(pidstring.substring(4,
aoqi@0	106	pidstring.length() - 1));
aoqi@0	107	System.out.println("Extracted pid: " + pid);
aoqi@0	108
aoqi@0	109	JDKToolLauncher jMapLauncher = JDKToolLauncher
aoqi@0	110	.createUsingTestJDK("jmap");
aoqi@0	111	jMapLauncher.addToolArg("-dump:format=b,file=" + pid + "-"
aoqi@0	112	+ HEAP_DUMP_FILE_NAME);
aoqi@0	113	jMapLauncher.addToolArg(String.valueOf(pid));
aoqi@0	114
aoqi@0	115	ProcessBuilder jMapProcessBuilder = new ProcessBuilder(
aoqi@0	116	jMapLauncher.getCommand());
aoqi@0	117	System.out.println("jmap command: "
aoqi@0	118	+ Arrays.toString(jMapLauncher.getCommand()));
aoqi@0	119
aoqi@0	120	Process jMapProcess = jMapProcessBuilder.start();
aoqi@0	121	OutputAnalyzer analyzer = new OutputAnalyzer(jMapProcess);
aoqi@0	122	analyzer.shouldHaveExitValue(0);
aoqi@0	123	analyzer.shouldContain(pid + "-" + HEAP_DUMP_FILE_NAME);
aoqi@0	124	analyzer.shouldContain("Heap dump file created");
aoqi@0	125
aoqi@0	126	largeHeapProc.getOutputStream().write('\n');
aoqi@0	127
aoqi@0	128	File dumpFile = new File(pid + "-" + HEAP_DUMP_FILE_NAME);
aoqi@0	129	Asserts.assertTrue(dumpFile.exists(), "Heap dump file not found.");
aoqi@0	130
aoqi@0	131	try (Reader reader = new BufferedReader(new FileReader(dumpFile))) {
aoqi@0	132	CharBuffer buf = CharBuffer.allocate(expectedFormat.length());
aoqi@0	133	reader.read(buf);
aoqi@0	134	buf.clear();
aoqi@0	135	Asserts.assertEQ(buf.toString(), expectedFormat,
aoqi@0	136	"Wrong file format. Expected '" + expectedFormat
aoqi@0	137	+ "', but found '" + buf.toString() + "'");
aoqi@0	138	}
aoqi@0	139
aoqi@0	140	System.out.println("Success!");
aoqi@0	141
aoqi@0	142	} finally {
aoqi@0	143	largeHeapProc.destroyForcibly();
aoqi@0	144	}
aoqi@0	145	}
aoqi@0	146	}