Mercurial > hg > truffle
annotate test/runtime/NMT/ThreadedMallocTestType.java @ 20361:ac12996df59b
8044140: Create NMT (Native Memory Tracking) tests for NMT2
Summary: Create new/modify existing tests for NMT2, which is an internal redesign to address scalability issues in the first implementation.
Reviewed-by: ctornqvi, zgu
Contributed-by: George Triantafillou <george.triantafillou@oracle.com>
author | zgu |
---|---|
date | Wed, 27 Aug 2014 08:35:03 -0400 |
parents | 3b890cd4da64 |
children | 6640f982c1be |
rev | line source |
---|---|
9056 | 1 /* |
20361
ac12996df59b
8044140: Create NMT (Native Memory Tracking) tests for NMT2
zgu
parents:
9056
diff
changeset
|
2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. |
9056 | 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 | |
20361
ac12996df59b
8044140: Create NMT (Native Memory Tracking) tests for NMT2
zgu
parents:
9056
diff
changeset
|
29 * @ignore |
9056 | 30 * @run main ClassFileInstaller sun.hotspot.WhiteBox |
31 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ThreadedMallocTestType | |
32 */ | |
33 | |
34 import com.oracle.java.testlibrary.*; | |
35 import sun.hotspot.WhiteBox; | |
36 | |
37 public class ThreadedMallocTestType { | |
38 public static long memAlloc1; | |
39 public static long memAlloc2; | |
40 public static long memAlloc3; | |
41 | |
42 public static void main(String args[]) throws Exception { | |
43 OutputAnalyzer output; | |
44 final WhiteBox wb = WhiteBox.getWhiteBox(); | |
45 | |
46 // Grab my own PID | |
47 String pid = Integer.toString(ProcessTools.getProcessId()); | |
48 ProcessBuilder pb = new ProcessBuilder(); | |
49 | |
50 Thread allocThread = new Thread() { | |
51 public void run() { | |
52 // Alloc memory using the WB api | |
53 memAlloc1 = wb.NMTMalloc(128 * 1024); | |
54 memAlloc2 = wb.NMTMalloc(256 * 1024); | |
55 memAlloc3 = wb.NMTMalloc(512 * 1024); | |
56 } | |
57 }; | |
58 | |
59 allocThread.start(); | |
60 allocThread.join(); | |
61 | |
62 // Run 'jcmd <pid> VM.native_memory summary' | |
63 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary"}); | |
64 output = new OutputAnalyzer(pb.start()); | |
65 output.shouldContain("Test (reserved=896KB, committed=896KB)"); | |
66 | |
67 Thread freeThread = new Thread() { | |
68 public void run() { | |
69 // Free the memory allocated by NMTMalloc | |
70 wb.NMTFree(memAlloc1); | |
71 wb.NMTFree(memAlloc2); | |
72 wb.NMTFree(memAlloc3); | |
73 } | |
74 }; | |
75 | |
76 freeThread.start(); | |
77 freeThread.join(); | |
78 | |
79 output = new OutputAnalyzer(pb.start()); | |
80 output.shouldNotContain("Test (reserved="); | |
81 } | |
82 } |