Mercurial > hg > graal-jvmci-8
comparison test/runtime/NMT/ThreadedMallocTestType.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 | |
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 * @key nmt jcmd | |
27 * @library /testlibrary /testlibrary/whitebox | |
28 * @build ThreadedMallocTestType | |
29 * @run main ClassFileInstaller sun.hotspot.WhiteBox | |
30 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ThreadedMallocTestType | |
31 */ | |
32 | |
33 import com.oracle.java.testlibrary.*; | |
34 import sun.hotspot.WhiteBox; | |
35 | |
36 public class ThreadedMallocTestType { | |
37 public static long memAlloc1; | |
38 public static long memAlloc2; | |
39 public static long memAlloc3; | |
40 | |
41 public static void main(String args[]) throws Exception { | |
42 OutputAnalyzer output; | |
43 final WhiteBox wb = WhiteBox.getWhiteBox(); | |
44 | |
45 // Grab my own PID | |
46 String pid = Integer.toString(ProcessTools.getProcessId()); | |
47 ProcessBuilder pb = new ProcessBuilder(); | |
48 | |
49 Thread allocThread = new Thread() { | |
50 public void run() { | |
51 // Alloc memory using the WB api | |
52 memAlloc1 = wb.NMTMalloc(128 * 1024); | |
53 memAlloc2 = wb.NMTMalloc(256 * 1024); | |
54 memAlloc3 = wb.NMTMalloc(512 * 1024); | |
55 } | |
56 }; | |
57 | |
58 allocThread.start(); | |
59 allocThread.join(); | |
60 | |
61 // Use WB API to ensure that all data has been merged before we continue | |
62 if (!wb.NMTWaitForDataMerge()) { | |
63 throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); | |
64 } | |
65 | |
66 // Run 'jcmd <pid> VM.native_memory summary' | |
67 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary"}); | |
68 output = new OutputAnalyzer(pb.start()); | |
69 output.shouldContain("Test (reserved=896KB, committed=896KB)"); | |
70 | |
71 Thread freeThread = new Thread() { | |
72 public void run() { | |
73 // Free the memory allocated by NMTMalloc | |
74 wb.NMTFree(memAlloc1); | |
75 wb.NMTFree(memAlloc2); | |
76 wb.NMTFree(memAlloc3); | |
77 } | |
78 }; | |
79 | |
80 freeThread.start(); | |
81 freeThread.join(); | |
82 | |
83 // Use WB API to ensure that all data has been merged before we continue | |
84 if (!wb.NMTWaitForDataMerge()) { | |
85 throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); | |
86 } | |
87 | |
88 output = new OutputAnalyzer(pb.start()); | |
89 output.shouldNotContain("Test (reserved="); | |
90 } | |
91 } |