8199370: [TESTBUG] Open source vm testbase GC tests
Reviewed-by: erikj, ihse, ehelin
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/Concurrent.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/Concurrent.java
new file mode 100644
index 0000000..b5b5ce9
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/Concurrent.java
@@ -0,0 +1,442 @@
+/*
+ * Copyright (c) 2010, 2018, 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 vm.gc.concurrent;
+
+import java.lang.management.ManagementFactory;
+import java.lang.management.MemoryMXBean;
+import java.lang.management.MemoryUsage;
+import java.util.Random;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
+import nsk.share.TestFailure;
+import nsk.share.gc.GC;
+import nsk.share.gc.Memory;
+import nsk.share.gc.ThreadedGCTest;
+import nsk.share.gc.gp.GarbageProducer;
+import nsk.share.gc.gp.GarbageProducer1Aware;
+import nsk.share.gc.gp.GarbageProducerAware;
+import nsk.share.gc.gp.MemoryStrategy;
+import nsk.share.gc.gp.MemoryStrategyAware;
+import nsk.share.gc.tree.*;
+import nsk.share.log.Log;
+import nsk.share.test.ExecutionController;
+
+
+class Forest {
+
+ // the actual size of TreeNode in bytes in the memory calculated as occupied memory / count of nodes
+ static int nodeSize;
+
+ static long treeSize;
+
+ private static long allNodesCount;
+
+ /* log from test */
+ static Log log;
+
+
+ static int treeHeight;
+
+ static long actuallyMut = 0;
+ private static Forest instance = new Forest();
+ private Tree[] trees;
+ private Lock[] locks;
+ private static Random rnd = new Random();
+
+ private int nodeGarbageSize;
+
+ private GarbageProducer gp;
+ /*
+ * Create array of trees occupyng given percent of heap
+ */
+ static Forest createForest(long percent, int heightToSizeRatio, int nodeGarbageSize, GarbageProducer gp, Log _log) {
+ log = _log;
+
+ long size = Runtime.getRuntime().maxMemory() * percent / 100;
+ treeHeight = Memory.balancedTreeHeightFromMemory(size, (int) new TreeNode(nodeGarbageSize).getTotalSize());
+ int ntrees = 0;
+ while (treeHeight * heightToSizeRatio > ntrees) {
+ ntrees++;
+ treeHeight = Memory.balancedTreeHeightFromMemory(size / ntrees, (int) new TreeNode(nodeGarbageSize).getTotalSize());
+ }
+
+ log.debug("The expected forest paramteres: tree height = " + treeHeight + " number of trees = " + ntrees
+ + " size = " + new TreeNode(nodeGarbageSize).getTotalSize());
+ Tree[] localTrees = new Tree[ntrees * 4];
+ Lock[] localLocks = new Lock[ntrees * 4];
+ for (int i = 0; i < ntrees * 4; i++) {
+ localTrees[i] = new Tree(Memory.makeBalancedTreeNode(treeHeight, nodeGarbageSize, gp));
+ localLocks[i] = new ReentrantLock();
+
+ int numOfAttempts = 0;
+ if (Concurrent.getPercentInfoByMBeans() > percent) {
+ log.debug("Attempt to System.gc() before control check. (" + numOfAttempts++ + ")");
+ System.gc();
+ if (Concurrent.getPercentInfoByMBeans() > percent) {
+ instance.trees = new Tree[i];
+ instance.locks = new Lock[i];
+ for (int j = 0; j < i; j++) {
+ instance.trees[j] = localTrees[j];
+ instance.locks[j] = localLocks[j];
+ }
+ allNodesCount = Memory.balancedTreeNodes(treeHeight) * instance.trees.length;
+ nodeSize = (int) (ManagementFactory.getMemoryMXBean().getHeapMemoryUsage().getUsed() / allNodesCount);
+ treeSize = Memory.balancedTreeSize(treeHeight, nodeSize);
+ instance.where = new AtomicCycleInteger(instance.trees.length);
+ instance.nodeGarbageSize = nodeGarbageSize;
+
+ log.debug("The forest real paramteres: tree height = " + treeHeight + " number of trees = " + instance.trees.length
+ + " number of nodes = " + allNodesCount);
+ log.debug("Approximate node size = " + nodeSize + " calc = " + instance.trees[0].getRoot().getSize());
+ return instance;
+ }
+ }
+ }
+ throw new TestFailure("Should not reach here. The correct exit point is inside cycle");
+ }
+
+
+ int treesCount() {
+ return trees.length;
+ }
+
+ long nodesCount() {
+ return allNodesCount;
+ }
+
+
+
+ // Confirms that all trees are balanced and have the correct height.
+ void checkTrees() {
+ for (int i = 0; i < trees.length; i++) {
+ locks[i].lock();
+ checkTree(trees[i]);
+ locks[i].unlock();
+ }
+ }
+
+ private static void checkTree(Tree tree) {
+ TreeNode root = tree.getRoot();
+ int h1 = root.getHeight();
+ int h2 = root.getShortestPath();
+ if ((h1 != treeHeight) || (h2 != treeHeight)) {
+ throw new TestFailure("The tree is not balanced expected " + treeHeight
+ + " value = " + h1 + " shortedtPath = " + h2);
+ }
+ }
+
+ // Swap subtrees in 2 trees, the the path is used
+ // as sequence of 1-0 to select subtree (left-reight sequence)
+ static void swapSubtrees(Tree t1, Tree t2, int depth, int path) {
+ TreeNode tn1 = t1.getRoot();
+ TreeNode tn2 = t2.getRoot();
+ for (int i = 0; i < depth; i++) {
+ if ((path & 1) == 0) {
+ tn1 = tn1.getLeft();
+ tn2 = tn2.getLeft();
+ } else {
+ tn1 = tn1.getRight();
+ tn2 = tn2.getRight();
+ }
+ path >>= 1;
+ }
+ TreeNode tmp;
+ if ((path & 1) == 0) {
+ tmp = tn1.getLeft();
+ tn1.setLeft(tn2.getLeft());
+ tn2.setLeft(tmp);
+ } else {
+ tmp = tn1.getRight();
+ tn1.setRight(tn2.getRight());
+ tn2.setLeft(tmp);
+ }
+ }
+
+
+ // Interchanges two randomly selected subtrees (of same size and depth) several times
+ void swapSubtrees(long count) {
+ for (int i = 0; i < count; i++) {
+ int index1 = rnd.nextInt(trees.length);
+ int index2 = rnd.nextInt(trees.length);
+ int depth = rnd.nextInt(treeHeight);
+ int path = rnd.nextInt();
+ locks[index1].lock();
+ // Skip the round to avoid deadlocks
+ if (locks[index2].tryLock()) {
+ swapSubtrees(trees[index1], trees[index2], depth, path);
+ actuallyMut += 2;
+ locks[index2].unlock();
+ }
+ locks[index1].unlock();
+
+ }
+
+ }
+
+
+ static class AtomicCycleInteger extends AtomicInteger {
+ private int max;
+ public AtomicCycleInteger(int cycleLength) {
+ super();
+ this.max = cycleLength - 1;
+ }
+ public int cycleIncrementAndGet() {
+ for (;;) {
+ int current = get();
+ int next = (current == max ? 0 : current + 1);
+ if (compareAndSet(current, next)) {
+ return next;
+ }
+ }
+ }
+ }
+
+ // the index in tree array which should be chnaged during next regeneration
+ AtomicCycleInteger where = null;
+
+ // generate new full and partial trees in our forest
+ void regenerateTrees(long nodesCount) {
+ int full = (int) (nodesCount / Memory.balancedTreeNodes(treeHeight)) ;
+ int partial = (int) nodesCount % (Memory.balancedTreeNodes(treeHeight));
+ for (int i = 0; i < full; i++) {
+ int idx = where.cycleIncrementAndGet();
+ locks[idx].lock();
+ trees[idx] = new Tree(Memory.makeBalancedTreeNode(treeHeight, nodeGarbageSize));
+ locks[idx].unlock();
+ }
+ while (partial > 0) {
+ int h = Memory.balancedTreeHeightFromNodes(partial);
+ Tree newTree = new Tree(Memory.makeBalancedTreeNode(h, nodeGarbageSize));
+ int idx = where.cycleIncrementAndGet();
+ locks[idx].lock();
+ replaceTree(trees[idx], newTree);
+ locks[idx].unlock();
+ partial = partial - Memory.balancedTreeNodes(h);
+ }
+ }
+
+
+ // Given a balanced tree full and a smaller balanced tree partial,
+ // replaces an appropriate subtree of full by partial, taking care
+ // to preserve the shape of the full tree.
+ private static void replaceTree(Tree full, Tree partial) {
+ boolean dir = (partial.getHeight() % 2) == 0;
+ actuallyMut++;
+ replaceTreeWork(full.getRoot(), partial.getRoot(), dir);
+ }
+
+ // Called only by replaceTree (below) and by itself.
+ static void replaceTreeWork(TreeNode full, TreeNode partial,
+ boolean dir) {
+ boolean canGoLeft = full.getLeft() != null && full.getLeft().getHeight() > partial.getHeight();
+ boolean canGoRight = full.getRight() != null && full.getRight().getHeight() > partial.getHeight();
+ if (canGoLeft && canGoRight) {
+ if (dir) {
+ replaceTreeWork(full.getLeft(), partial, !dir);
+ } else {
+ replaceTreeWork(full.getRight(), partial, !dir);
+ }
+ } else if (!canGoLeft && !canGoRight) {
+ if (dir) {
+ full.setLeft(partial);
+ } else {
+ full.setRight(partial);
+ }
+ } else if (!canGoLeft) {
+ full.setLeft(partial);
+ } else {
+ full.setRight(partial);
+ }
+ }
+
+
+
+}
+public class Concurrent extends ThreadedGCTest implements GarbageProducerAware, GarbageProducer1Aware, MemoryStrategyAware {
+
+ // Heap as tree
+ Forest forest;
+
+ // GP for old gargbage production
+ GarbageProducer gpOld;
+
+ // GP for young gargbage production
+ GarbageProducer gpYoung;
+
+ MemoryStrategy ms;
+
+ private void printStatistics() {
+ log.debug("Actual mutations = " + forest.actuallyMut);
+ }
+
+ private class Worker implements Runnable {
+
+ private ExecutionController stresser;
+
+ @Override
+ public void run() {
+ if (stresser == null) {
+ stresser = getExecutionController();
+ }
+ while (stresser.continueExecution()) {
+ doStep();
+ }
+ }
+ }
+
+ @Override
+ public Runnable createRunnable(int i) {
+ return new Worker();
+ }
+
+ public static int getPercentInfoByMBeans() {
+ MemoryMXBean mbean = ManagementFactory.getMemoryMXBean();
+ return (int) (100 * mbean.getHeapMemoryUsage().getUsed() / mbean.getHeapMemoryUsage().getMax());
+ }
+
+ private void printMem(long used, long max, String source) {
+ log.debug("The Memory after allocation (" + source + "): ");
+ log.debug("Used = " + used + " Max = " + max + " Percent = " + (100 * used / max));
+ }
+
+ // Command-line parameters.
+ // young garbage in percent and absolute
+ private static int youngPercent = 0;
+ long youngGarbageSize;
+ // mutation rate (parcent and absolute trees)
+ private static int ptrMutRate = 50;
+ long mutateTrees;
+ // percent of heap to occupy by forest (long live garbage)
+ private static int livePercent = 60;
+ // the minimum of which should be available for forest
+ // test fails if it is not possible to use 60% of heap
+ private static final int MIN_AVAILABLE_MEM = 60;
+ // percent of forest to reallocate each step
+ private static int reallocatePercent = 30;
+ long reallocateSizeInNodes;
+ // sleep time in ms
+ private static int sleepTime = 100;
+
+ private void init(int longLivePercent) {
+ int numberOfThreads = runParams.getNumberOfThreads();
+ forest = Forest.createForest(longLivePercent, numberOfThreads,
+ (int) Math.sqrt(ms.getSize(Runtime.getRuntime().maxMemory())), gpOld, log);
+
+ youngGarbageSize = Runtime.getRuntime().maxMemory() * youngPercent / 100 / numberOfThreads;
+ reallocateSizeInNodes = forest.nodesCount() * reallocatePercent / 100 / numberOfThreads;
+ mutateTrees = forest.treesCount() * ptrMutRate / 100 / numberOfThreads / 2;
+
+ log.debug("Young Gen = " + youngGarbageSize);
+ log.debug("Forest contains " + forest.treesCount() + " trees and " + forest.nodesCount() + " nodes.");
+ log.debug("Count of nodes to reallocate = " + reallocateSizeInNodes);
+ log.debug("Count of tree pairs to exchange nodes = " + mutateTrees);
+ log.debug("Sleep time = " + sleepTime);
+
+ // print some info
+ MemoryUsage mbean = ManagementFactory.getMemoryMXBean().getHeapMemoryUsage();
+ printMem(mbean.getUsed(), mbean.getMax(), "Beans");
+ printMem(Runtime.getRuntime().maxMemory() - Runtime.getRuntime().freeMemory(),
+ Runtime.getRuntime().maxMemory(), "System");
+ }
+
+ @Override
+ public void run() {
+ try {
+ init(livePercent);
+ } catch (OutOfMemoryError oome) {
+ if (livePercent > MIN_AVAILABLE_MEM) {
+ log.debug("Unable to use " + livePercent + " use only " + MIN_AVAILABLE_MEM);
+ init(MIN_AVAILABLE_MEM);
+ }
+ }
+ super.run();
+ printStatistics();
+ }
+
+
+
+ private void doStep() {
+ // allocate some young garbage
+ if (youngGarbageSize != 0) {
+ gpYoung.create(youngGarbageSize);
+ }
+
+ // allocate some long-live garbage (attached to our trees)
+ forest.regenerateTrees(reallocateSizeInNodes);
+
+ // mutate pointers
+ forest.swapSubtrees(mutateTrees);
+
+ // sleep to give GC time for some concurrent actions
+ try {
+ Thread.sleep(sleepTime);
+ } catch (InterruptedException ie) {
+ }
+
+ // verify trees, also read all pointers
+ forest.checkTrees();
+ }
+
+ public static void main(String[] args) {
+ init(args);
+ GC.runTest(new Concurrent(), args);
+ }
+
+ public static void init(String[] args) {
+ for (int i = 0; i < args.length; ++i) {
+ if (args[i].equals("-lp")) {
+ // percent of long lived objects
+ livePercent = Integer.parseInt(args[++i]);
+ } else if (args[i].equals("-rp")) {
+ // percent of trees to reallocate
+ reallocatePercent = Integer.parseInt(args[++i]);
+ } else if (args[i].equals("-yp")) {
+ // percent of young objects
+ youngPercent = Integer.parseInt(args[++i]);
+ } else if (args[i].equals("-mr")) {
+ // percent of trees to exchange (mutate)
+ ptrMutRate = Integer.parseInt(args[++i]);
+ } else if (args[i].equals("-st")) {
+ // sleep time in ms
+ sleepTime = Integer.parseInt(args[++i]);
+ }
+ }
+ }
+
+ @Override
+ public void setGarbageProducer(GarbageProducer gp) {
+ this.gpOld = gp;
+ }
+
+
+ @Override
+ public void setGarbageProducer1(GarbageProducer gpYoung) {
+ this.gpYoung = gpYoung;
+ }
+
+ @Override
+ public void setMemoryStrategy(MemoryStrategy ms) {
+ this.ms = ms;
+ }
+}
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp0mr30st300/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp0mr30st300/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp0mr30st300/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp0mr30st300/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp0mr30st300/TestDescription.java
new file mode 100644
index 0000000..96bc51c
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp0mr30st300/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp0rp0mr30st300.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 0
+ * -rp 0
+ * -mr 30
+ * -st 300
+ * -ms high
+ * -gp randomString
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp0mr70st300t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp0mr70st300t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp0mr70st300t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp0mr70st300t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp0mr70st300t1/TestDescription.java
new file mode 100644
index 0000000..34c61b2
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp0mr70st300t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp0rp0mr70st300t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 0
+ * -rp 0
+ * -mr 70
+ * -st 300
+ * -ms high
+ * -gp nonbranchyTree(low)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr0st300/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr0st300/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr0st300/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr0st300/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr0st300/TestDescription.java
new file mode 100644
index 0000000..9705868
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr0st300/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp0rp30mr0st300.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 0
+ * -rp 30
+ * -mr 0
+ * -st 300
+ * -ms high
+ * -gp circularList(high)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr30st0t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr30st0t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr30st0t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr30st0t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr30st0t1/TestDescription.java
new file mode 100644
index 0000000..fb08518
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr30st0t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp0rp30mr30st0t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 0
+ * -rp 30
+ * -mr 30
+ * -st 0
+ * -ms high
+ * -gp twofields(randomString)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr70st0/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr70st0/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr70st0/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr70st0/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr70st0/TestDescription.java
new file mode 100644
index 0000000..ddfbc09
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr70st0/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp0rp30mr70st0.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 0
+ * -rp 30
+ * -mr 70
+ * -st 0
+ * -ms high
+ * -gp circularList(low)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr70st300t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr70st300t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr70st300t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr70st300t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr70st300t1/TestDescription.java
new file mode 100644
index 0000000..84a0f8d
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp30mr70st300t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp0rp30mr70st300t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 0
+ * -rp 30
+ * -mr 70
+ * -st 300
+ * -ms high
+ * -gp random(arrays)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp70mr30st0/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp70mr30st0/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp70mr30st0/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp70mr30st0/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp70mr30st0/TestDescription.java
new file mode 100644
index 0000000..b6f1f85
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp70mr30st0/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp0rp70mr30st0.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 0
+ * -rp 70
+ * -mr 30
+ * -st 0
+ * -ms high
+ * -gp nonbranchyTree(high)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp70mr30st300t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp70mr30st300t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp70mr30st300t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp70mr30st300t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp70mr30st300t1/TestDescription.java
new file mode 100644
index 0000000..416d340
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp0rp70mr30st300t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp0rp70mr30st300t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 0
+ * -rp 70
+ * -mr 30
+ * -st 300
+ * -ms high
+ * -gp randomString
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp0mr30st300/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp0mr30st300/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp0mr30st300/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp0mr30st300/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp0mr30st300/TestDescription.java
new file mode 100644
index 0000000..10b66bf
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp0mr30st300/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp10rp0mr30st300.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 10
+ * -rp 0
+ * -mr 30
+ * -st 300
+ * -ms high
+ * -gp nonbranchyTree(low)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp0mr70st300t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp0mr70st300t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp0mr70st300t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp0mr70st300t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp0mr70st300t1/TestDescription.java
new file mode 100644
index 0000000..2fe0dda
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp0mr70st300t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp10rp0mr70st300t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 10
+ * -rp 0
+ * -mr 70
+ * -st 300
+ * -ms high
+ * -gp circularList(high)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr0st300/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr0st300/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr0st300/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr0st300/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr0st300/TestDescription.java
new file mode 100644
index 0000000..fd77e36
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr0st300/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp10rp30mr0st300.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 10
+ * -rp 30
+ * -mr 0
+ * -st 300
+ * -ms high
+ * -gp twofields(randomString)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr30st0t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr30st0t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr30st0t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr30st0t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr30st0t1/TestDescription.java
new file mode 100644
index 0000000..c032bb4
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr30st0t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp10rp30mr30st0t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 10
+ * -rp 30
+ * -mr 30
+ * -st 0
+ * -ms high
+ * -gp circularList(low)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr70st0/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr70st0/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr70st0/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr70st0/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr70st0/TestDescription.java
new file mode 100644
index 0000000..0415249
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr70st0/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp10rp30mr70st0.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 10
+ * -rp 30
+ * -mr 70
+ * -st 0
+ * -ms high
+ * -gp random(arrays)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr70st300t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr70st300t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr70st300t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr70st300t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr70st300t1/TestDescription.java
new file mode 100644
index 0000000..3a953d0
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp30mr70st300t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp10rp30mr70st300t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 10
+ * -rp 30
+ * -mr 70
+ * -st 300
+ * -ms high
+ * -gp nonbranchyTree(high)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp70mr30st0/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp70mr30st0/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp70mr30st0/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp70mr30st0/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp70mr30st0/TestDescription.java
new file mode 100644
index 0000000..3abd49f
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp70mr30st0/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp10rp70mr30st0.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 10
+ * -rp 70
+ * -mr 30
+ * -st 0
+ * -ms high
+ * -gp randomString
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp70mr30st300t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp70mr30st300t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp70mr30st300t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp70mr30st300t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp70mr30st300t1/TestDescription.java
new file mode 100644
index 0000000..ade57bc
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp10rp70mr30st300t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp10rp70mr30st300t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 10
+ * -rp 70
+ * -mr 30
+ * -st 300
+ * -ms high
+ * -gp nonbranchyTree(low)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp0mr30st300/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp0mr30st300/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp0mr30st300/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp0mr30st300/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp0mr30st300/TestDescription.java
new file mode 100644
index 0000000..f59aff4
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp0mr30st300/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp25rp0mr30st300.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 25
+ * -rp 0
+ * -mr 30
+ * -st 300
+ * -ms high
+ * -gp circularList(high)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp0mr70st300t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp0mr70st300t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp0mr70st300t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp0mr70st300t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp0mr70st300t1/TestDescription.java
new file mode 100644
index 0000000..8659dfe
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp0mr70st300t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp25rp0mr70st300t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 25
+ * -rp 0
+ * -mr 70
+ * -st 300
+ * -ms high
+ * -gp twofields(randomString)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr0st300/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr0st300/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr0st300/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr0st300/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr0st300/TestDescription.java
new file mode 100644
index 0000000..882783a
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr0st300/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp25rp30mr0st300.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 25
+ * -rp 30
+ * -mr 0
+ * -st 300
+ * -ms high
+ * -gp circularList(low)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr30st0t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr30st0t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr30st0t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr30st0t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr30st0t1/TestDescription.java
new file mode 100644
index 0000000..e8057ec
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr30st0t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp25rp30mr30st0t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 25
+ * -rp 30
+ * -mr 30
+ * -st 0
+ * -ms high
+ * -gp random(arrays)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr70st0/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr70st0/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr70st0/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr70st0/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr70st0/TestDescription.java
new file mode 100644
index 0000000..6ed1efc
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr70st0/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp25rp30mr70st0.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 25
+ * -rp 30
+ * -mr 70
+ * -st 0
+ * -ms high
+ * -gp nonbranchyTree(high)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr70st300t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr70st300t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr70st300t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr70st300t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr70st300t1/TestDescription.java
new file mode 100644
index 0000000..8b11848
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp30mr70st300t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp25rp30mr70st300t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 25
+ * -rp 30
+ * -mr 70
+ * -st 300
+ * -ms high
+ * -gp randomString
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp70mr30st0/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp70mr30st0/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp70mr30st0/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp70mr30st0/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp70mr30st0/TestDescription.java
new file mode 100644
index 0000000..106d1a7
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp70mr30st0/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp25rp70mr30st0.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 25
+ * -rp 70
+ * -mr 30
+ * -st 0
+ * -ms high
+ * -gp nonbranchyTree(low)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp70mr30st300t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp70mr30st300t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp70mr30st300t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp70mr30st300t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp70mr30st300t1/TestDescription.java
new file mode 100644
index 0000000..e9c7922
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp30yp25rp70mr30st300t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp30yp25rp70mr30st300t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 30
+ * -yp 25
+ * -rp 70
+ * -mr 30
+ * -st 300
+ * -ms high
+ * -gp circularList(high)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp0mr30st300/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp0mr30st300/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp0mr30st300/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp0mr30st300/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp0mr30st300/TestDescription.java
new file mode 100644
index 0000000..f5ced02
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp0mr30st300/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp0rp0mr30st300.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 0
+ * -rp 0
+ * -mr 30
+ * -st 300
+ * -ms high
+ * -gp twofields(randomString)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp0mr70st300t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp0mr70st300t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp0mr70st300t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp0mr70st300t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp0mr70st300t1/TestDescription.java
new file mode 100644
index 0000000..39ff4db
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp0mr70st300t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp0rp0mr70st300t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 0
+ * -rp 0
+ * -mr 70
+ * -st 300
+ * -ms high
+ * -gp circularList(low)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr0st300/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr0st300/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr0st300/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr0st300/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr0st300/TestDescription.java
new file mode 100644
index 0000000..e0bbf5a
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr0st300/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp0rp30mr0st300.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 0
+ * -rp 30
+ * -mr 0
+ * -st 300
+ * -ms high
+ * -gp random(arrays)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr30st0t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr30st0t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr30st0t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr30st0t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr30st0t1/TestDescription.java
new file mode 100644
index 0000000..2bc4178
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr30st0t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp0rp30mr30st0t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 0
+ * -rp 30
+ * -mr 30
+ * -st 0
+ * -ms high
+ * -gp nonbranchyTree(high)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr70st0/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr70st0/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr70st0/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr70st0/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr70st0/TestDescription.java
new file mode 100644
index 0000000..216b4e2
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr70st0/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp0rp30mr70st0.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 0
+ * -rp 30
+ * -mr 70
+ * -st 0
+ * -ms high
+ * -gp randomString
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr70st300t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr70st300t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr70st300t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr70st300t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr70st300t1/TestDescription.java
new file mode 100644
index 0000000..4ec95d2
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp30mr70st300t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp0rp30mr70st300t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 0
+ * -rp 30
+ * -mr 70
+ * -st 300
+ * -ms high
+ * -gp nonbranchyTree(low)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp70mr30st0/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp70mr30st0/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp70mr30st0/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp70mr30st0/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp70mr30st0/TestDescription.java
new file mode 100644
index 0000000..c94aa91
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp70mr30st0/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp0rp70mr30st0.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 0
+ * -rp 70
+ * -mr 30
+ * -st 0
+ * -ms high
+ * -gp circularList(high)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp70mr30st300t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp70mr30st300t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp70mr30st300t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp70mr30st300t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp70mr30st300t1/TestDescription.java
new file mode 100644
index 0000000..5aa26b4
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp0rp70mr30st300t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp0rp70mr30st300t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 0
+ * -rp 70
+ * -mr 30
+ * -st 300
+ * -ms high
+ * -gp twofields(randomString)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp0mr30st300/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp0mr30st300/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp0mr30st300/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp0mr30st300/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp0mr30st300/TestDescription.java
new file mode 100644
index 0000000..8d32a32
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp0mr30st300/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp10rp0mr30st300.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 10
+ * -rp 0
+ * -mr 30
+ * -st 300
+ * -ms high
+ * -gp circularList(low)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp0mr70st300t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp0mr70st300t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp0mr70st300t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp0mr70st300t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp0mr70st300t1/TestDescription.java
new file mode 100644
index 0000000..497abb0
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp0mr70st300t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp10rp0mr70st300t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 10
+ * -rp 0
+ * -mr 70
+ * -st 300
+ * -ms high
+ * -gp random(arrays)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr0st300/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr0st300/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr0st300/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr0st300/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr0st300/TestDescription.java
new file mode 100644
index 0000000..6669025
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr0st300/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp10rp30mr0st300.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 10
+ * -rp 30
+ * -mr 0
+ * -st 300
+ * -ms high
+ * -gp nonbranchyTree(high)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr30st0t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr30st0t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr30st0t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr30st0t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr30st0t1/TestDescription.java
new file mode 100644
index 0000000..42f58ea
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr30st0t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp10rp30mr30st0t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 10
+ * -rp 30
+ * -mr 30
+ * -st 0
+ * -ms high
+ * -gp randomString
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr70st0/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr70st0/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr70st0/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr70st0/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr70st0/TestDescription.java
new file mode 100644
index 0000000..8983d40
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr70st0/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp10rp30mr70st0.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 10
+ * -rp 30
+ * -mr 70
+ * -st 0
+ * -ms high
+ * -gp nonbranchyTree(low)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr70st300t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr70st300t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr70st300t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr70st300t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr70st300t1/TestDescription.java
new file mode 100644
index 0000000..6751de8
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp30mr70st300t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp10rp30mr70st300t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 10
+ * -rp 30
+ * -mr 70
+ * -st 300
+ * -ms high
+ * -gp circularList(high)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp70mr30st0/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp70mr30st0/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp70mr30st0/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp70mr30st0/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp70mr30st0/TestDescription.java
new file mode 100644
index 0000000..d47d759
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp70mr30st0/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp10rp70mr30st0.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 10
+ * -rp 70
+ * -mr 30
+ * -st 0
+ * -ms high
+ * -gp twofields(randomString)
+ * -gp1 nonbranchyTree(low)
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp70mr30st300t1/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp70mr30st300t1/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp70mr30st300t1/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp70mr30st300t1/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp70mr30st300t1/TestDescription.java
new file mode 100644
index 0000000..9950394
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp50yp10rp70mr30st300t1/TestDescription.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp50yp10rp70mr30st300t1.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 50
+ * -yp 10
+ * -rp 70
+ * -mr 30
+ * -st 300
+ * -ms high
+ * -gp circularList(low)
+ * -gp1 nonbranchyTree(low)
+ * -t 1
+ */
+
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp60yp0rp30mr0st300/TEST.properties b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp60yp0rp30mr0st300/TEST.properties
new file mode 100644
index 0000000..04b22a1
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp60yp0rp30mr0st300/TEST.properties
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, 2018, 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.
+#
+exclusiveAccess.dirs=.
diff --git a/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp60yp0rp30mr0st300/TestDescription.java b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp60yp0rp30mr0st300/TestDescription.java
new file mode 100644
index 0000000..87a4c25
--- /dev/null
+++ b/test/hotspot/jtreg/vmTestbase/vm/gc/concurrent/lp60yp0rp30mr0st300/TestDescription.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017, 2018, 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
+ * @key stress gc
+ *
+ * @summary converted from VM Testbase vm/gc/concurrent/lp60yp0rp30mr0st300.
+ * VM Testbase keywords: [gc, stress, stressopt, feature_g1, nonconcurrent, monitoring]
+ *
+ * @library /vmTestbase
+ * /test/lib
+ * @run driver jdk.test.lib.FileInstaller . .
+ * @run main/othervm
+ * -XX:-UseGCOverheadLimit
+ * vm.gc.concurrent.Concurrent
+ * -lp 60
+ * -yp 0
+ * -rp 30
+ * -mr 0
+ * -st 300
+ * -ms high
+ * -gp random(arrays)
+ * -gp1 nonbranchyTree(low)
+ */
+