Wed, 27 Aug 2014 08:35:03 -0400
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>
ctornqvi@4885 | 1 | /* |
zgu@7075 | 2 | * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. |
ctornqvi@4885 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
ctornqvi@4885 | 4 | * |
ctornqvi@4885 | 5 | * This code is free software; you can redistribute it and/or modify it |
ctornqvi@4885 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ctornqvi@4885 | 7 | * published by the Free Software Foundation. |
ctornqvi@4885 | 8 | * |
ctornqvi@4885 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
ctornqvi@4885 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
ctornqvi@4885 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
ctornqvi@4885 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
ctornqvi@4885 | 13 | * accompanied this code). |
ctornqvi@4885 | 14 | * |
ctornqvi@4885 | 15 | * You should have received a copy of the GNU General Public License version |
ctornqvi@4885 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
ctornqvi@4885 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
ctornqvi@4885 | 18 | * |
ctornqvi@4885 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ctornqvi@4885 | 20 | * or visit www.oracle.com if you need additional information or have any |
ctornqvi@4885 | 21 | * questions. |
ctornqvi@4885 | 22 | */ |
ctornqvi@4885 | 23 | |
ctornqvi@4885 | 24 | /* |
ctornqvi@4885 | 25 | * @test |
ctornqvi@4885 | 26 | * @summary Test Reserve/Commit/Uncommit/Release of virtual memory and that we track it correctly |
ctornqvi@4885 | 27 | * @key nmt jcmd |
ctornqvi@4885 | 28 | * @library /testlibrary /testlibrary/whitebox |
zgu@7075 | 29 | * @ignore |
ctornqvi@4885 | 30 | * @build VirtualAllocTestType |
ctornqvi@4885 | 31 | * @run main ClassFileInstaller sun.hotspot.WhiteBox |
ctornqvi@4885 | 32 | * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail VirtualAllocTestType |
ctornqvi@4885 | 33 | */ |
ctornqvi@4885 | 34 | |
ctornqvi@4885 | 35 | import com.oracle.java.testlibrary.*; |
ctornqvi@4885 | 36 | import sun.hotspot.WhiteBox; |
ctornqvi@4885 | 37 | |
ctornqvi@4885 | 38 | public class VirtualAllocTestType { |
ctornqvi@4885 | 39 | |
ctornqvi@4885 | 40 | public static WhiteBox wb = WhiteBox.getWhiteBox(); |
ctornqvi@4885 | 41 | public static void main(String args[]) throws Exception { |
ctornqvi@4885 | 42 | OutputAnalyzer output; |
ctornqvi@4885 | 43 | long commitSize = 128 * 1024; |
ctornqvi@4885 | 44 | long reserveSize = 256 * 1024; |
ctornqvi@4885 | 45 | long addr; |
ctornqvi@4885 | 46 | |
ctornqvi@4885 | 47 | String pid = Integer.toString(ProcessTools.getProcessId()); |
ctornqvi@4885 | 48 | ProcessBuilder pb = new ProcessBuilder(); |
ctornqvi@4885 | 49 | |
cjplummer@5586 | 50 | boolean has_nmt_detail = wb.NMTIsDetailSupported(); |
cjplummer@5586 | 51 | if (has_nmt_detail) { |
cjplummer@5586 | 52 | System.out.println("NMT detail support detected."); |
cjplummer@5586 | 53 | } else { |
cjplummer@5586 | 54 | System.out.println("NMT detail support not detected."); |
cjplummer@5586 | 55 | } |
cjplummer@5586 | 56 | |
ctornqvi@4885 | 57 | addr = wb.NMTReserveMemory(reserveSize); |
cjplummer@5586 | 58 | pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail"}); |
ctornqvi@4885 | 59 | |
ctornqvi@4885 | 60 | output = new OutputAnalyzer(pb.start()); |
ctornqvi@4885 | 61 | output.shouldContain("Test (reserved=256KB, committed=0KB)"); |
cjplummer@5586 | 62 | if (has_nmt_detail) { |
cjplummer@5586 | 63 | output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved 256KB for Test"); |
cjplummer@5586 | 64 | } |
ctornqvi@4885 | 65 | |
ctornqvi@4885 | 66 | wb.NMTCommitMemory(addr, commitSize); |
ctornqvi@4885 | 67 | |
ctornqvi@4885 | 68 | |
ctornqvi@4885 | 69 | output = new OutputAnalyzer(pb.start()); |
ctornqvi@4885 | 70 | output.shouldContain("Test (reserved=256KB, committed=128KB)"); |
cjplummer@5586 | 71 | if (has_nmt_detail) { |
cjplummer@5586 | 72 | output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed 128KB"); |
cjplummer@5586 | 73 | } |
ctornqvi@4885 | 74 | |
ctornqvi@4885 | 75 | wb.NMTUncommitMemory(addr, commitSize); |
ctornqvi@4885 | 76 | |
ctornqvi@4885 | 77 | |
ctornqvi@4885 | 78 | output = new OutputAnalyzer(pb.start()); |
ctornqvi@4885 | 79 | output.shouldContain("Test (reserved=256KB, committed=0KB)"); |
ctornqvi@4885 | 80 | output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed"); |
ctornqvi@4885 | 81 | |
ctornqvi@4885 | 82 | wb.NMTReleaseMemory(addr, reserveSize); |
ctornqvi@4885 | 83 | |
ctornqvi@4885 | 84 | output = new OutputAnalyzer(pb.start()); |
ctornqvi@4885 | 85 | output.shouldNotContain("Test (reserved="); |
ctornqvi@4885 | 86 | output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved"); |
ctornqvi@4885 | 87 | } |
ctornqvi@4885 | 88 | } |