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annotate test/runtime/NMT/ThreadedVirtualAllocTestType.java @ 18377:ed0fce2e999a
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author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Fri, 14 Nov 2014 09:32:59 -0800 |
parents | 5fd8e2fbafd4 |
children | ac12996df59b |
rev | line source |
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9056 | 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 | |
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48 boolean has_nmt_detail = wb.NMTIsDetailSupported(); |
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49 if (has_nmt_detail) { |
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50 System.out.println("NMT detail support detected."); |
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51 } else { |
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52 System.out.println("NMT detail support not detected."); |
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53 } |
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54 |
9056 | 55 Thread reserveThread = new Thread() { |
56 public void run() { | |
57 addr = wb.NMTReserveMemory(reserveSize); | |
58 } | |
59 }; | |
60 reserveThread.start(); | |
61 reserveThread.join(); | |
62 | |
63 mergeData(); | |
64 | |
65 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail"}); | |
66 output = new OutputAnalyzer(pb.start()); | |
67 output.shouldContain("Test (reserved=512KB, committed=0KB)"); | |
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68 if (has_nmt_detail) { |
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69 output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved 512KB for Test"); |
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70 } |
9056 | 71 |
72 Thread commitThread = new Thread() { | |
73 public void run() { | |
74 wb.NMTCommitMemory(addr, commitSize); | |
75 } | |
76 }; | |
77 commitThread.start(); | |
78 commitThread.join(); | |
79 | |
80 mergeData(); | |
81 | |
82 output = new OutputAnalyzer(pb.start()); | |
83 output.shouldContain("Test (reserved=512KB, committed=128KB)"); | |
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84 if (has_nmt_detail) { |
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85 output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed 128KB"); |
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86 } |
9056 | 87 |
88 Thread uncommitThread = new Thread() { | |
89 public void run() { | |
90 wb.NMTUncommitMemory(addr, commitSize); | |
91 } | |
92 }; | |
93 uncommitThread.start(); | |
94 uncommitThread.join(); | |
95 | |
96 mergeData(); | |
97 | |
98 output = new OutputAnalyzer(pb.start()); | |
99 output.shouldContain("Test (reserved=512KB, committed=0KB)"); | |
100 output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed"); | |
101 | |
102 Thread releaseThread = new Thread() { | |
103 public void run() { | |
104 wb.NMTReleaseMemory(addr, reserveSize); | |
105 } | |
106 }; | |
107 releaseThread.start(); | |
108 releaseThread.join(); | |
109 | |
110 mergeData(); | |
111 | |
112 output = new OutputAnalyzer(pb.start()); | |
113 output.shouldNotContain("Test (reserved="); | |
114 output.shouldNotContain("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved"); | |
115 } | |
116 | |
117 public static void mergeData() throws Exception { | |
118 // Use WB API to ensure that all data has been merged before we continue | |
119 if (!wb.NMTWaitForDataMerge()) { | |
120 throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); | |
121 } | |
122 } | |
123 } |