Mercurial > hg > graal-compiler
view test/gc/6581734/Test6581734.java @ 5901:9a72c7ece7fb
7146442: assert(false) failed: bad AD file
Summary: Take into account only stores captured by Initialize node. Added missing check for Top input in value() methods.
Reviewed-by: never
author | kvn |
---|---|
date | Tue, 21 Feb 2012 11:55:05 -0800 |
parents | 21c29458b334 |
children |
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/* * Copyright (c) 2010, 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 Test6581734.java * @bug 6581734 * @summary CMS Old Gen's collection usage is zero after GC which is incorrect * @run main/othervm -Xmx512m -verbose:gc -XX:+UseConcMarkSweepGC Test6581734 * */ import java.util.*; import java.lang.management.*; // 6581734 states that memory pool usage via the mbean is wrong // for CMS (zero, even after a collection). // // 6580448 states that the collection count similarly is wrong // (stays at zero for CMS collections) // -- closed as dup of 6581734 as the same fix resolves both. public class Test6581734 { private String poolName = "CMS"; private String collectorName = "ConcurrentMarkSweep"; public static void main(String [] args) { Test6581734 t = null; if (args.length==2) { t = new Test6581734(args[0], args[1]); } else { System.out.println("Defaulting to monitor CMS pool and collector."); t = new Test6581734(); } t.run(); } public Test6581734(String pool, String collector) { poolName = pool; collectorName = collector; } public Test6581734() { } public void run() { // Use some memory, enough that we expect collections should // have happened. // Must run with options to ensure no stop the world full GC, // but e.g. at least one CMS cycle. allocationWork(300*1024*1024); System.out.println("Done allocationWork"); // Verify some non-zero results are stored. List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans(); int poolsFound = 0; int poolsWithStats = 0; for (int i=0; i<pools.size(); i++) { MemoryPoolMXBean pool = pools.get(i); String name = pool.getName(); System.out.println("found pool: " + name); if (name.contains(poolName)) { long usage = pool.getCollectionUsage().getUsed(); System.out.println(name + ": usage after GC = " + usage); poolsFound++; if (usage > 0) { poolsWithStats++; } } } if (poolsFound == 0) { throw new RuntimeException("No matching memory pools found: test with -XX:+UseConcMarkSweepGC"); } List<GarbageCollectorMXBean> collectors = ManagementFactory.getGarbageCollectorMXBeans(); int collectorsFound = 0; int collectorsWithTime= 0; for (int i=0; i<collectors.size(); i++) { GarbageCollectorMXBean collector = collectors.get(i); String name = collector.getName(); System.out.println("found collector: " + name); if (name.contains(collectorName)) { collectorsFound++; System.out.println(name + ": collection count = " + collector.getCollectionCount()); System.out.println(name + ": collection time = " + collector.getCollectionTime()); if (collector.getCollectionCount() <= 0) { throw new RuntimeException("collection count <= 0"); } if (collector.getCollectionTime() > 0) { collectorsWithTime++; } } } // verify: if (poolsWithStats < poolsFound) { throw new RuntimeException("pools found with zero stats"); } if (collectorsWithTime<collectorsFound) { throw new RuntimeException("collectors found with zero time"); } System.out.println("Test passed."); } public void allocationWork(long target) { long sizeAllocated = 0; List list = new LinkedList(); long delay = 50; long count = 0; while (sizeAllocated < target) { int size = 1024*1024; byte [] alloc = new byte[size]; if (count % 2 == 0) { list.add(alloc); sizeAllocated+=size; System.out.print("."); } try { Thread.sleep(delay); } catch (InterruptedException ie) { } count++; } } }