Mercurial > hg > graal-compiler
annotate test/runtime/NMT/MallocSiteHashOverflow.java @ 20401:3f9ff5e261c6
8055765: Misplaced @key stress prevents MallocSiteHashOverflow.java and MallocStressTest.java tests from running
Reviewed-by: ctornqvi, zgu, hseigel
| author | gtriantafill |
|---|---|
| date | Fri, 22 Aug 2014 06:28:14 -0700 |
| parents | 017b0145f20c |
| children | 80260967f994 |
| rev | line source |
|---|---|
| 20394 | 1 /* |
| 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 /* | |
| 25 * @test | |
| 26 * @summary Test corner case that overflows malloc site hashtable bucket | |
|
20401
3f9ff5e261c6
8055765: Misplaced @key stress prevents MallocSiteHashOverflow.java and MallocStressTest.java tests from running
gtriantafill
parents:
20394
diff
changeset
|
27 * @key nmt jcmd stress |
| 20394 | 28 * @library /testlibrary /testlibrary/whitebox |
| 29 * @ignore - This test is disabled since it will stress NMT and timeout during normal testing | |
| 30 * @build MallocSiteHashOverflow | |
| 31 * @run main ClassFileInstaller sun.hotspot.WhiteBox | |
| 32 * @run main/othervm/timeout=480 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail MallocSiteHashOverflow | |
| 33 */ | |
| 34 | |
| 35 import com.oracle.java.testlibrary.*; | |
| 36 import sun.hotspot.WhiteBox; | |
| 37 | |
| 38 public class MallocSiteHashOverflow { | |
| 39 private static long K = 1024; | |
| 40 public static void main(String args[]) throws Exception { | |
| 41 String vm_name = System.getProperty("java.vm.name"); | |
| 42 | |
| 43 // For 32-bit systems, create 257 malloc sites with the same hash bucket to overflow a hash bucket | |
| 44 // For 64-bit systems, create 64K + 1 malloc sites with the same hash bucket to overflow a hash bucket | |
| 45 long entries = 257; | |
| 46 if (Platform.is64bit()) { | |
| 47 entries = 64 * K + 1; | |
| 48 } | |
| 49 | |
| 50 OutputAnalyzer output; | |
| 51 WhiteBox wb = WhiteBox.getWhiteBox(); | |
| 52 | |
| 53 // Grab my own PID | |
| 54 String pid = Integer.toString(ProcessTools.getProcessId()); | |
| 55 ProcessBuilder pb = new ProcessBuilder(); | |
| 56 | |
| 57 wb.NMTOverflowHashBucket(entries); | |
| 58 | |
| 59 // Run 'jcmd <pid> VM.native_memory summary' | |
| 60 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "statistics"}); | |
| 61 output = new OutputAnalyzer(pb.start()); | |
| 62 output.shouldContain("Tracking level has been downgraded due to lack of resources"); | |
| 63 } | |
| 64 } |