Thu, 04 Sep 2014 10:14:37 -0400
8054711: [TESTBUG] Enable NMT2 tests after NMT2 is integrated
Summary: enable tests for NMT2
Reviewed-by: ctornqvi, zgu
1 /*
2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 * This code is free software; you can redistribute it and/or modify it
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13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 */
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 */
33 import com.oracle.java.testlibrary.*;
34 import sun.hotspot.WhiteBox;
36 public class ThreadedMallocTestType {
37 public static long memAlloc1;
38 public static long memAlloc2;
39 public static long memAlloc3;
41 public static void main(String args[]) throws Exception {
42 OutputAnalyzer output;
43 final WhiteBox wb = WhiteBox.getWhiteBox();
45 // Grab my own PID
46 String pid = Integer.toString(ProcessTools.getProcessId());
47 ProcessBuilder pb = new ProcessBuilder();
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 };
58 allocThread.start();
59 allocThread.join();
61 // Run 'jcmd <pid> VM.native_memory summary'
62 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary"});
63 output = new OutputAnalyzer(pb.start());
64 output.shouldContain("Test (reserved=896KB, committed=896KB)");
66 Thread freeThread = new Thread() {
67 public void run() {
68 // Free the memory allocated by NMTMalloc
69 wb.NMTFree(memAlloc1);
70 wb.NMTFree(memAlloc2);
71 wb.NMTFree(memAlloc3);
72 }
73 };
75 freeThread.start();
76 freeThread.join();
78 output = new OutputAnalyzer(pb.start());
79 output.shouldNotContain("Test (reserved=");
80 }
81 }