Mercurial > hg > truffle
diff test/runtime/NMT/ThreadedVirtualAllocTestType.java @ 9056:3b890cd4da64
8009125: Add NMT tests for Virtual Memory operations
Summary: Tests added for Reserve/Commit/Uncommit/Unreserve operations
Reviewed-by: zgu, mgerdin
author | ctornqvi |
---|---|
date | Wed, 03 Apr 2013 21:41:33 +0200 |
parents | |
children | 5fd8e2fbafd4 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/NMT/ThreadedVirtualAllocTestType.java Wed Apr 03 21:41:33 2013 +0200 @@ -0,0 +1,112 @@ +/* + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @key nmt jcmd + * @library /testlibrary /testlibrary/whitebox + * @build ThreadedVirtualAllocTestType + * @run main ClassFileInstaller sun.hotspot.WhiteBox + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ThreadedVirtualAllocTestType + */ + +import com.oracle.java.testlibrary.*; +import sun.hotspot.WhiteBox; + +public class ThreadedVirtualAllocTestType { + public static long addr; + public static final WhiteBox wb = WhiteBox.getWhiteBox(); + public static final long commitSize = 128 * 1024; + public static final long reserveSize = 512 * 1024; + + public static void main(String args[]) throws Exception { + OutputAnalyzer output; + + String pid = Integer.toString(ProcessTools.getProcessId()); + ProcessBuilder pb = new ProcessBuilder(); + + Thread reserveThread = new Thread() { + public void run() { + addr = wb.NMTReserveMemory(reserveSize); + } + }; + reserveThread.start(); + reserveThread.join(); + + mergeData(); + + pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail"}); + output = new OutputAnalyzer(pb.start()); + output.shouldContain("Test (reserved=512KB, committed=0KB)"); + output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved 512KB for Test"); + + Thread commitThread = new Thread() { + public void run() { + wb.NMTCommitMemory(addr, commitSize); + } + }; + commitThread.start(); + commitThread.join(); + + mergeData(); + + output = new OutputAnalyzer(pb.start()); + output.shouldContain("Test (reserved=512KB, committed=128KB)"); + output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed 128KB"); + + Thread uncommitThread = new Thread() { + public void run() { + wb.NMTUncommitMemory(addr, commitSize); + } + }; + uncommitThread.start(); + uncommitThread.join(); + + mergeData(); + + output = new OutputAnalyzer(pb.start()); + output.shouldContain("Test (reserved=512KB, committed=0KB)"); + output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed"); + + Thread releaseThread = new Thread() { + public void run() { + wb.NMTReleaseMemory(addr, reserveSize); + } + }; + releaseThread.start(); + releaseThread.join(); + + mergeData(); + + output = new OutputAnalyzer(pb.start()); + output.shouldNotContain("Test (reserved="); + output.shouldNotContain("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved"); + } + + public static void mergeData() throws Exception { + // Use WB API to ensure that all data has been merged before we continue + if (!wb.NMTWaitForDataMerge()) { + throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); + } + } +}