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comparison test/runtime/NMT/MallocRoundingReportTest.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
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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 Test consistency of NMT by creating allocations of the Test type with various sizes and verifying visibility with jcmd
27 * @key nmt jcmd
28 * @library /testlibrary /testlibrary/whitebox
29 * @build MallocRoundingReportTest
30 * @ignore
31 * @run main ClassFileInstaller sun.hotspot.WhiteBox
32 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail MallocRoundingReportTest
33 *
34 */
35
36 import com.oracle.java.testlibrary.*;
37
38 import sun.hotspot.WhiteBox;
39
40 public class MallocRoundingReportTest {
41 private static long K = 1024;
42
43 public static void main(String args[]) throws Exception {
44 OutputAnalyzer output;
45 WhiteBox wb = WhiteBox.getWhiteBox();
46
47 // Grab my own PID
48 String pid = Integer.toString(ProcessTools.getProcessId());
49 ProcessBuilder pb = new ProcessBuilder();
50
51 long[] additionalBytes = {0, 1, 512, 650};
52 long[] kByteSize = {1024, 2048};
53 long mallocd_total = 0;
54 for ( int i = 0; i < kByteSize.length; i++)
55 {
56 for (int j = 0; j < (additionalBytes.length); j++) {
57 long curKB = kByteSize[i] + additionalBytes[j];
58 // round up/down to the nearest KB to match NMT reporting
59 long numKB = (curKB % kByteSize[i] >= 512) ? ((curKB / K) + 1) : curKB / K;
60 // Use WB API to alloc and free with the mtTest type
61 mallocd_total = wb.NMTMalloc(curKB);
62 // Run 'jcmd <pid> VM.native_memory summary', check for expected output
63 // NMT does not track memory allocations less than 1KB, and rounds to the nearest KB
64 String expectedOut = ("Test (reserved=" + numKB + "KB, committed=" + numKB + "KB)");
65
66 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary" });
67 output = new OutputAnalyzer(pb.start());
68 output.shouldContain(expectedOut);
69
70 wb.NMTFree(mallocd_total);
71 // Run 'jcmd <pid> VM.native_memory summary', check for expected output
72 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary" });
73 output = new OutputAnalyzer(pb.start());
74 output.shouldNotContain("Test (reserved=");
75 }
76 }
77 }
78 }