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comparison test/runtime/NMT/ThreadedVirtualAllocTestType.java @ 9056:3b890cd4da64

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8009125: Add NMT tests for Virtual Memory operations Summary: Tests added for Reserve/Commit/Uncommit/Unreserve operations Reviewed-by: zgu, mgerdin
author ctornqvi
date Wed, 03 Apr 2013 21:41:33 +0200
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children 5fd8e2fbafd4
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8852:a4e8dac9db8c 9056:3b890cd4da64
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 ThreadedVirtualAllocTestType
29 * @run main ClassFileInstaller sun.hotspot.WhiteBox
30 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ThreadedVirtualAllocTestType
31 */
32
33 import com.oracle.java.testlibrary.*;
34 import sun.hotspot.WhiteBox;
35
36 public class ThreadedVirtualAllocTestType {
37 public static long addr;
38 public static final WhiteBox wb = WhiteBox.getWhiteBox();
39 public static final long commitSize = 128 * 1024;
40 public static final long reserveSize = 512 * 1024;
41
42 public static void main(String args[]) throws Exception {
43 OutputAnalyzer output;
44
45 String pid = Integer.toString(ProcessTools.getProcessId());
46 ProcessBuilder pb = new ProcessBuilder();
47
48 Thread reserveThread = new Thread() {
49 public void run() {
50 addr = wb.NMTReserveMemory(reserveSize);
51 }
52 };
53 reserveThread.start();
54 reserveThread.join();
55
56 mergeData();
57
58 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail"});
59 output = new OutputAnalyzer(pb.start());
60 output.shouldContain("Test (reserved=512KB, committed=0KB)");
61 output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved 512KB for Test");
62
63 Thread commitThread = new Thread() {
64 public void run() {
65 wb.NMTCommitMemory(addr, commitSize);
66 }
67 };
68 commitThread.start();
69 commitThread.join();
70
71 mergeData();
72
73 output = new OutputAnalyzer(pb.start());
74 output.shouldContain("Test (reserved=512KB, committed=128KB)");
75 output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed 128KB");
76
77 Thread uncommitThread = new Thread() {
78 public void run() {
79 wb.NMTUncommitMemory(addr, commitSize);
80 }
81 };
82 uncommitThread.start();
83 uncommitThread.join();
84
85 mergeData();
86
87 output = new OutputAnalyzer(pb.start());
88 output.shouldContain("Test (reserved=512KB, committed=0KB)");
89 output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed");
90
91 Thread releaseThread = new Thread() {
92 public void run() {
93 wb.NMTReleaseMemory(addr, reserveSize);
94 }
95 };
96 releaseThread.start();
97 releaseThread.join();
98
99 mergeData();
100
101 output = new OutputAnalyzer(pb.start());
102 output.shouldNotContain("Test (reserved=");
103 output.shouldNotContain("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved");
104 }
105
106 public static void mergeData() throws Exception {
107 // Use WB API to ensure that all data has been merged before we continue
108 if (!wb.NMTWaitForDataMerge()) {
109 throw new Exception("Call to WB API NMTWaitForDataMerge() failed");
110 }
111 }
112 }