Mercurial > hg > graal-jvmci-8
comparison test/serviceability/sa/jmap-hprof/JMapHProfLargeHeapTest.java @ 12820:8ef918538e22
6313383: SA: Update jmap to support HPROF binary format "JAVA PROFILE 1.0.2"
Summary: Adds support for large(>4G) heap dumps in hprof format. Adds tests and updates testlibrary.
Reviewed-by: sla, allwin
Contributed-by: fredrik.arvidsson@oracle.com
author | sla |
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date | Fri, 04 Oct 2013 13:44:49 +0200 |
parents | |
children | cd7ea1d79dac d6818f623792 |
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12818:763705f0fec3 | 12820:8ef918538e22 |
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1 /* | |
2 * Copyright (c) 2013, 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 import java.io.BufferedReader; | |
25 import java.io.File; | |
26 import java.io.FileNotFoundException; | |
27 import java.io.FileReader; | |
28 import java.io.IOException; | |
29 import java.io.Reader; | |
30 import java.nio.CharBuffer; | |
31 import java.util.Arrays; | |
32 import java.util.Scanner; | |
33 | |
34 import com.oracle.java.testlibrary.Asserts; | |
35 import com.oracle.java.testlibrary.JDKToolFinder; | |
36 import com.oracle.java.testlibrary.JDKToolLauncher; | |
37 import com.oracle.java.testlibrary.OutputAnalyzer; | |
38 import com.oracle.java.testlibrary.Platform; | |
39 import com.oracle.java.testlibrary.ProcessTools; | |
40 | |
41 /* | |
42 * @test | |
43 * @bug 6313383 | |
44 * @key regression | |
45 * @summary Regression test for hprof export issue due to large heaps (>2G) | |
46 * @library /testlibrary | |
47 * @compile JMapHProfLargeHeapProc.java | |
48 * @run main JMapHProfLargeHeapTest | |
49 */ | |
50 | |
51 public class JMapHProfLargeHeapTest { | |
52 private static final String HEAP_DUMP_FILE_NAME = "heap.hprof"; | |
53 private static final String HPROF_HEADER_1_0_1 = "JAVA PROFILE 1.0.1"; | |
54 private static final String HPROF_HEADER_1_0_2 = "JAVA PROFILE 1.0.2"; | |
55 private static final long M = 1024L; | |
56 private static final long G = 1024L * M; | |
57 | |
58 public static void main(String[] args) throws Exception { | |
59 // If we are on MacOSX, test if JMap tool is signed, otherwise return | |
60 // since test will fail with privilege error. | |
61 if (Platform.isOSX()) { | |
62 String jmapToolPath = JDKToolFinder.getCurrentJDKTool("jmap"); | |
63 ProcessBuilder codesignProcessBuilder = new ProcessBuilder( | |
64 "codesign", "-v", jmapToolPath); | |
65 Process codesignProcess = codesignProcessBuilder.start(); | |
66 OutputAnalyzer analyser = new OutputAnalyzer(codesignProcess); | |
67 try { | |
68 analyser.shouldNotContain("code object is not signed at all"); | |
69 System.out.println("Signed jmap found at: " + jmapToolPath); | |
70 } catch (Exception e) { | |
71 // Abort since we can't know if the test will work | |
72 System.out | |
73 .println("Test aborted since we are on MacOSX and the jmap tool is not signed."); | |
74 return; | |
75 } | |
76 } | |
77 | |
78 // Small heap 22 megabytes, should create 1.0.1 file format | |
79 testHProfFileFormat("-Xmx1g", 22 * M, HPROF_HEADER_1_0_1); | |
80 | |
81 /** | |
82 * This test was deliberately commented out since the test system lacks | |
83 * support to handle the requirements for this kind of heap size in a | |
84 * good way. If or when it becomes possible to run this kind of tests in | |
85 * the test environment the test should be enabled again. | |
86 * */ | |
87 // Large heap 2,2 gigabytes, should create 1.0.2 file format | |
88 // testHProfFileFormat("-Xmx4g", 2 * G + 2 * M, HPROF_HEADER_1_0_2); | |
89 } | |
90 | |
91 private static void testHProfFileFormat(String vmArgs, long heapSize, | |
92 String expectedFormat) throws Exception, IOException, | |
93 InterruptedException, FileNotFoundException { | |
94 ProcessBuilder procBuilder = ProcessTools.createJavaProcessBuilder( | |
95 vmArgs, "JMapHProfLargeHeapProc", String.valueOf(heapSize)); | |
96 procBuilder.redirectError(ProcessBuilder.Redirect.INHERIT); | |
97 Process largeHeapProc = procBuilder.start(); | |
98 | |
99 try (Scanner largeHeapScanner = new Scanner( | |
100 largeHeapProc.getInputStream());) { | |
101 String pidstring = null; | |
102 while ((pidstring = largeHeapScanner.findInLine("PID\\[[0-9].*\\]")) == null) { | |
103 Thread.sleep(500); | |
104 } | |
105 int pid = Integer.parseInt(pidstring.substring(4, | |
106 pidstring.length() - 1)); | |
107 System.out.println("Extracted pid: " + pid); | |
108 | |
109 JDKToolLauncher jMapLauncher = JDKToolLauncher | |
110 .create("jmap", false); | |
111 jMapLauncher.addToolArg("-dump:format=b,file=" + pid + "-" | |
112 + HEAP_DUMP_FILE_NAME); | |
113 jMapLauncher.addToolArg(String.valueOf(pid)); | |
114 | |
115 ProcessBuilder jMapProcessBuilder = new ProcessBuilder( | |
116 jMapLauncher.getCommand()); | |
117 System.out.println("jmap command: " | |
118 + Arrays.toString(jMapLauncher.getCommand())); | |
119 | |
120 Process jMapProcess = jMapProcessBuilder.start(); | |
121 OutputAnalyzer analyzer = new OutputAnalyzer(jMapProcess); | |
122 analyzer.shouldHaveExitValue(0); | |
123 analyzer.shouldContain(pid + "-" + HEAP_DUMP_FILE_NAME); | |
124 analyzer.shouldContain("Heap dump file created"); | |
125 | |
126 largeHeapProc.getOutputStream().write('\n'); | |
127 | |
128 File dumpFile = new File(pid + "-" + HEAP_DUMP_FILE_NAME); | |
129 Asserts.assertTrue(dumpFile.exists(), "Heap dump file not found."); | |
130 | |
131 try (Reader reader = new BufferedReader(new FileReader(dumpFile))) { | |
132 CharBuffer buf = CharBuffer.allocate(expectedFormat.length()); | |
133 reader.read(buf); | |
134 buf.clear(); | |
135 Asserts.assertEQ(buf.toString(), expectedFormat, | |
136 "Wrong file format. Expected '" + expectedFormat | |
137 + "', but found '" + buf.toString() + "'"); | |
138 } | |
139 | |
140 System.out.println("Success!"); | |
141 | |
142 } finally { | |
143 largeHeapProc.destroyForcibly(); | |
144 } | |
145 } | |
146 } |