Mercurial > hg > graal-compiler
diff test/runtime/NMT/MallocRoundingReportTest.java @ 20394:017b0145f20c
8054952: [TESTBUG] Add missing NMT2 tests
Summary: The new NMT2 tests got lost on the way into jdk9 yesterday, this change adds them.
Reviewed-by: coleenp, zgu, ctornqvi
author | gtriantafill |
---|---|
date | Tue, 12 Aug 2014 14:06:41 -0700 |
parents | |
children | 6640f982c1be |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/NMT/MallocRoundingReportTest.java Tue Aug 12 14:06:41 2014 -0700 @@ -0,0 +1,78 @@ +/* + * 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 + * @ignore + * @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="); + } + } + } +}