--- a/hotspot/test/serviceability/tmtools/jstat/utils/GcProvokerImpl.java	Thu Feb 09 23:15:52 2017 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,113 +0,0 @@
-/*
- * Copyright (c) 2015, 2016, 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.
- */
-package utils;
-
-import java.lang.management.ManagementFactory;
-import java.lang.management.MemoryPoolMXBean;
-import java.lang.management.MemoryUsage;
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- *
- * Utilities to provoke GC in various ways
- */
-public class GcProvokerImpl implements GcProvoker {
-
-    private static List<Object> eatenMetaspace;
-    private static List<Object> eatenMemory;
-
-    static List<Object> eatHeapMemory(float targetUsage) {
-        long maxMemory = Runtime.getRuntime().maxMemory();
-        // uses fixed small objects to avoid Humongous objects allocation in G1
-        int memoryChunk = 2048;
-        List<Object> list = new ArrayList<>();
-        long used = 0;
-        long target = (long) (maxMemory * targetUsage);
-        while (used < target) {
-            try {
-                list.add(new byte[memoryChunk]);
-                used += memoryChunk;
-            } catch (OutOfMemoryError e) {
-                list = null;
-                throw new RuntimeException("Unexpected OOME '" + e.getMessage() + "' while eating " + targetUsage + " of heap memory.");
-            }
-        }
-        return list;
-    }
-
-    @Override
-    public void provokeGc() {
-        for (int i = 0; i < 3; i++) {
-            long edenSize = Pools.getEdenCommittedSize();
-            long heapSize = Pools.getHeapCommittedSize();
-            float targetPercent = ((float) edenSize) / (heapSize);
-            if ((targetPercent < 0) || (targetPercent > 1.0)) {
-                throw new RuntimeException("Error in the percent calculation" + " (eden size: " + edenSize + ", heap size: " + heapSize + ", calculated eden percent: " + targetPercent + ")");
-            }
-            eatHeapMemory(targetPercent);
-            eatHeapMemory(targetPercent);
-            System.gc();
-        }
-    }
-
-    @Override
-    public void eatMetaspaceAndHeap(float targetMemoryUsagePercent) {
-        // Metaspace should be filled before Java Heap to prevent unexpected OOME
-        // in the Java Heap while filling Metaspace
-        eatenMetaspace = eatMetaspace(targetMemoryUsagePercent);
-        eatenMemory = eatHeapMemory(targetMemoryUsagePercent);
-    }
-
-    private static List<Object> eatMetaspace(float targetUsage) {
-        List<Object> list = new ArrayList<>();
-        final String metaspacePoolName = "Metaspace";
-        MemoryPoolMXBean metaspacePool = null;
-        for (MemoryPoolMXBean pool : ManagementFactory.getMemoryPoolMXBeans()) {
-            if (pool.getName().contains(metaspacePoolName)) {
-                metaspacePool = pool;
-                break;
-            }
-        }
-        if (metaspacePool == null) {
-            throw new RuntimeException("MXBean for Metaspace pool wasn't found");
-        }
-        float currentUsage;
-        GeneratedClassProducer gp = new GeneratedClassProducer();
-        do {
-            try {
-                list.add(gp.create(0));
-            } catch (OutOfMemoryError oome) {
-                list = null;
-                throw new RuntimeException("Unexpected OOME '" + oome.getMessage() + "' while eating " + targetUsage + " of Metaspace.");
-            }
-            MemoryUsage memoryUsage = metaspacePool.getUsage();
-            currentUsage = (((float) memoryUsage.getUsed()) / memoryUsage.getMax());
-        } while (currentUsage < targetUsage);
-        return list;
-    }
-
-    public GcProvokerImpl() {
-    }
-
-}