Mercurial > hg > graal-compiler
changeset 20443:64b480f9eb1a
Merge
author | ctornqvi |
---|---|
date | Wed, 10 Sep 2014 17:36:20 +0000 |
parents | 4edd7572c235 (diff) 42460b71ba70 (current diff) |
children | fd9feb55481c |
files | |
diffstat | 2 files changed, 106 insertions(+), 0 deletions(-) [+] |
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--- a/test/TEST.groups Mon Jun 23 13:33:23 2014 +0200 +++ b/test/TEST.groups Wed Sep 10 17:36:20 2014 +0000 @@ -82,6 +82,7 @@ runtime/NMT/MallocSiteHashOverflow.java \ runtime/NMT/MallocStressTest.java \ runtime/NMT/MallocTestType.java \ + runtime/NMT/MallocTrackingVerify.java \ runtime/NMT/ReleaseCommittedMemory.java \ runtime/NMT/ReleaseNoCommit.java \ runtime/NMT/ShutdownTwice.java \
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/NMT/MallocTrackingVerify.java Wed Sep 10 17:36:20 2014 +0000 @@ -0,0 +1,105 @@ +/* + * Copyright (c) 2014, 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 + * @bug 8054836 + * @summary Test to verify correctness of malloc tracking + * @key nmt jcmd + * @library /testlibrary /testlibrary/whitebox + * @build MallocTrackingVerify + * @run main ClassFileInstaller sun.hotspot.WhiteBox + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail MallocTrackingVerify + * + */ + +import java.util.ArrayList; +import java.util.Random; + +import com.oracle.java.testlibrary.*; + +import sun.hotspot.WhiteBox; + +public class MallocTrackingVerify { + private static int MAX_ALLOC = 4 * 1024; + + static ArrayList<MallocMemory> mallocd_memory = new ArrayList<MallocMemory>(); + static long mallocd_total = 0; + public static WhiteBox wb = WhiteBox.getWhiteBox(); + + public static void main(String args[]) throws Exception { + OutputAnalyzer output; + + // Grab my own PID + String pid = Integer.toString(ProcessTools.getProcessId()); + ProcessBuilder pb = new ProcessBuilder(); + + Random random = new Random(); + // Allocate small amounts of memory with random pseudo call stack + while (mallocd_total < MAX_ALLOC) { + int size = random.nextInt(31) + 1; + long addr = wb.NMTMallocWithPseudoStack(size, random.nextInt()); + if (addr != 0) { + MallocMemory mem = new MallocMemory(addr, size); + mallocd_memory.add(mem); + mallocd_total += size; + } else { + System.out.println("Out of malloc memory"); + break; + } + } + + pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary" }); + output = new OutputAnalyzer(pb.start()); + output.shouldContain("Test (reserved=4KB, committed=4KB)"); + + // Free + for (MallocMemory mem : mallocd_memory) { + wb.NMTFree(mem.addr()); + } + + // Run 'jcmd <pid> VM.native_memory summary', check for expected output + pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, + "VM.native_memory", "summary" }); + output = new OutputAnalyzer(pb.start()); + output.shouldNotContain("Test (reserved="); + } + + static class MallocMemory { + private long addr; + private int size; + + MallocMemory(long addr, int size) { + this.addr = addr; + this.size = size; + } + + long addr() { + return this.addr; + } + + int size() { + return this.size; + } + } +}