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comparison test/runtime/NMT/ReleaseNoCommit.java @ 20394:017b0145f20c

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8054952: [TESTBUG] Add missing NMT2 tests Summary: The new NMT2 tests got lost on the way into jdk9 yesterday, this change adds them. Reviewed-by: coleenp, zgu, ctornqvi
author gtriantafill
date Tue, 12 Aug 2014 14:06:41 -0700
parents
children 6640f982c1be
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20393:966601b12d4f 20394:017b0145f20c
1 /*
2 * Copyright (c) 2014, 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 * @summary Release uncommitted memory and make sure NMT handles it correctly
27 * @key nmt regression
28 * @library /testlibrary /testlibrary/whitebox
29 * @build ReleaseNoCommit
30 * @ignore
31 * @run main ClassFileInstaller sun.hotspot.WhiteBox
32 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=summary ReleaseNoCommit
33 */
34
35 import com.oracle.java.testlibrary.JDKToolFinder;
36 import com.oracle.java.testlibrary.OutputAnalyzer;
37 import com.oracle.java.testlibrary.ProcessTools;
38
39 import sun.hotspot.WhiteBox;
40
41 public class ReleaseNoCommit {
42
43 public static void main(String args[]) throws Exception {
44 WhiteBox wb = WhiteBox.getWhiteBox();
45 long reserveSize = 256 * 1024;
46 long addr;
47
48 ProcessBuilder pb = new ProcessBuilder();
49 OutputAnalyzer output;
50 // Grab my own PID
51 String pid = Integer.toString(ProcessTools.getProcessId());
52
53 addr = wb.NMTReserveMemory(reserveSize);
54 // Check for reserved
55 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=KB"});
56 output = new OutputAnalyzer(pb.start());
57 output.shouldContain(" Test (reserved=256KB, committed=0KB)");
58
59 wb.NMTReleaseMemory(addr, reserveSize);
60
61 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=KB"});
62 output = new OutputAnalyzer(pb.start());
63 output.shouldNotContain("Test (reserved=");
64 }
65 }