Mercurial > hg > truffle
comparison test/runtime/NMT/MallocTestType.java @ 9056:3b890cd4da64
8009125: Add NMT tests for Virtual Memory operations
Summary: Tests added for Reserve/Commit/Uncommit/Unreserve operations
Reviewed-by: zgu, mgerdin
author | ctornqvi |
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date | Wed, 03 Apr 2013 21:41:33 +0200 |
parents | test/runtime/NMT/AllocTestType.java@1b0dc9f87e75 |
children | ac12996df59b |
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8852:a4e8dac9db8c | 9056:3b890cd4da64 |
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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 /* | |
25 * @test | |
26 * @summary Test consistency of NMT by leaking a few select allocations of the Test type and then verify visibility with jcmd | |
27 * @key nmt jcmd | |
28 * @library /testlibrary /testlibrary/whitebox | |
29 * @build MallocTestType | |
30 * @run main ClassFileInstaller sun.hotspot.WhiteBox | |
31 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail MallocTestType | |
32 */ | |
33 | |
34 import com.oracle.java.testlibrary.*; | |
35 import sun.hotspot.WhiteBox; | |
36 | |
37 public class MallocTestType { | |
38 | |
39 public static void main(String args[]) throws Exception { | |
40 OutputAnalyzer output; | |
41 WhiteBox wb = WhiteBox.getWhiteBox(); | |
42 | |
43 // Grab my own PID | |
44 String pid = Integer.toString(ProcessTools.getProcessId()); | |
45 ProcessBuilder pb = new ProcessBuilder(); | |
46 | |
47 // Use WB API to alloc and free with the mtTest type | |
48 long memAlloc3 = wb.NMTMalloc(128 * 1024); | |
49 long memAlloc2 = wb.NMTMalloc(256 * 1024); | |
50 wb.NMTFree(memAlloc3); | |
51 long memAlloc1 = wb.NMTMalloc(512 * 1024); | |
52 wb.NMTFree(memAlloc2); | |
53 | |
54 // Use WB API to ensure that all data has been merged before we continue | |
55 if (!wb.NMTWaitForDataMerge()) { | |
56 throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); | |
57 } | |
58 | |
59 // Run 'jcmd <pid> VM.native_memory summary' | |
60 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary"}); | |
61 output = new OutputAnalyzer(pb.start()); | |
62 output.shouldContain("Test (reserved=512KB, committed=512KB)"); | |
63 | |
64 // Free the memory allocated by NMTAllocTest | |
65 wb.NMTFree(memAlloc1); | |
66 | |
67 // Use WB API to ensure that all data has been merged before we continue | |
68 if (!wb.NMTWaitForDataMerge()) { | |
69 throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); | |
70 } | |
71 output = new OutputAnalyzer(pb.start()); | |
72 output.shouldNotContain("Test (reserved="); | |
73 } | |
74 } |