Mercurial > hg > graal-compiler
view test/runtime/NMT/MallocRoundingReportTest.java @ 21591:6c5327245831
LinearScan: fix intervals context.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Fri, 29 May 2015 10:59:03 +0200 |
parents | 6640f982c1be |
children |
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/* * 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 * @summary Test consistency of NMT by creating allocations of the Test type with various sizes and verifying visibility with jcmd * @key nmt jcmd * @library /testlibrary /testlibrary/whitebox * @build MallocRoundingReportTest * @run main ClassFileInstaller sun.hotspot.WhiteBox * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail MallocRoundingReportTest * */ import com.oracle.java.testlibrary.*; import sun.hotspot.WhiteBox; public class MallocRoundingReportTest { private static long K = 1024; public static void main(String args[]) throws Exception { OutputAnalyzer output; WhiteBox wb = WhiteBox.getWhiteBox(); // Grab my own PID String pid = Integer.toString(ProcessTools.getProcessId()); ProcessBuilder pb = new ProcessBuilder(); long[] additionalBytes = {0, 1, 512, 650}; long[] kByteSize = {1024, 2048}; long mallocd_total = 0; for ( int i = 0; i < kByteSize.length; i++) { for (int j = 0; j < (additionalBytes.length); j++) { long curKB = kByteSize[i] + additionalBytes[j]; // round up/down to the nearest KB to match NMT reporting long numKB = (curKB % kByteSize[i] >= 512) ? ((curKB / K) + 1) : curKB / K; // Use WB API to alloc and free with the mtTest type mallocd_total = wb.NMTMalloc(curKB); // Run 'jcmd <pid> VM.native_memory summary', check for expected output // NMT does not track memory allocations less than 1KB, and rounds to the nearest KB String expectedOut = ("Test (reserved=" + numKB + "KB, committed=" + numKB + "KB)"); pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary" }); output = new OutputAnalyzer(pb.start()); output.shouldContain(expectedOut); wb.NMTFree(mallocd_total); // 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="); } } } }