Mercurial > hg > truffle
annotate test/runtime/NMT/MallocTestType.java @ 20363:36c9011aaead
8054368: nsk/jdi/VirtualMachine/exit/exit002 crash with detail tracking on (NMT2)
Summary: Dynamic allocate _reserved_regions instead of static object to avoid racing during process exit
Reviewed-by: dholmes, coleenp
author | zgu |
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date | Thu, 14 Aug 2014 09:02:51 -0400 |
parents | ac12996df59b |
children | 6640f982c1be |
rev | line source |
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7977 | 1 /* |
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2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. |
7977 | 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 | |
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28 * @library /testlibrary /testlibrary/whitebox |
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29 * @build MallocTestType |
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30 * @ignore |
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31 * @run main ClassFileInstaller sun.hotspot.WhiteBox |
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32 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail MallocTestType |
7977 | 33 */ |
34 | |
35 import com.oracle.java.testlibrary.*; | |
36 import sun.hotspot.WhiteBox; | |
37 | |
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38 public class MallocTestType { |
7977 | 39 |
40 public static void main(String args[]) throws Exception { | |
41 OutputAnalyzer output; | |
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42 WhiteBox wb = WhiteBox.getWhiteBox(); |
7977 | 43 |
44 // Grab my own PID | |
45 String pid = Integer.toString(ProcessTools.getProcessId()); | |
46 ProcessBuilder pb = new ProcessBuilder(); | |
47 | |
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48 // Use WB API to alloc and free with the mtTest type |
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49 long memAlloc3 = wb.NMTMalloc(128 * 1024); |
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50 long memAlloc2 = wb.NMTMalloc(256 * 1024); |
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51 wb.NMTFree(memAlloc3); |
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52 long memAlloc1 = wb.NMTMalloc(512 * 1024); |
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53 wb.NMTFree(memAlloc2); |
7977 | 54 |
55 // Run 'jcmd <pid> VM.native_memory summary' | |
56 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary"}); | |
57 output = new OutputAnalyzer(pb.start()); | |
58 output.shouldContain("Test (reserved=512KB, committed=512KB)"); | |
59 | |
60 // Free the memory allocated by NMTAllocTest | |
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61 wb.NMTFree(memAlloc1); |
7977 | 62 |
63 output = new OutputAnalyzer(pb.start()); | |
64 output.shouldNotContain("Test (reserved="); | |
65 } | |
66 } |