Mercurial > hg > graal-jvmci-8
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 } |