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comparison test/runtime/NMT/PrintNMTStatistics.java @ 7977:879c6de913d6

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8005013: Add NMT tests Summary: Add tests for the Native Memory Tracking feature, includes regression tests for 8005936 and 8004802 Reviewed-by: zgu, coleenp
author ctornqvi
date Sat, 02 Feb 2013 16:34:10 +0100
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children 1b0dc9f87e75
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7976:ff5401ad5635 7977:879c6de913d6
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 regression
27 * @bug 8005936
28 * @summary Make sure PrintNMTStatistics works on normal JVM exit
29 * @library /testlibrary
30 * @run compile -J-XX:+UnlockDiagnosticVMOptions -J-XX:+WhiteBoxAPI PrintNMTStatistics.java
31 */
32
33 import com.oracle.java.testlibrary.*;
34
35 import java.util.regex.Matcher;
36 import java.util.regex.Pattern;
37 import sun.hotspot.WhiteBox;
38
39 public class PrintNMTStatistics {
40
41 public static void main(String args[]) throws Exception {
42
43 // We start a new java process running with an argument and use WB API to ensure
44 // we have data for NMT on VM exit
45 if (args.length > 0) {
46 // Use WB API to ensure that all data has been merged before we continue
47 if (!WhiteBox.getWhiteBox().NMTWaitForDataMerge()) {
48 throw new Exception("Call to WB API NMTWaitForDataMerge() failed");
49 }
50 return;
51 }
52
53 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
54 "-XX:+UnlockDiagnosticVMOptions",
55 "-XX:NativeMemoryTracking=summary",
56 "+XX:+PrintNMTStatistics",
57 "PrintNMTStatistics",
58 "test");
59
60 OutputAnalyzer output = new OutputAnalyzer(pb.start());
61 output.shouldContain("Java Heap (reserved=");
62 output.shouldNotContain("error");
63 output.shouldNotContain("warning");
64 output.shouldHaveExitValue(0);
65 }
66 }