--- /dev/null	2014-12-02 13:47:03.829845816 +0300
+++ new/test/compiler/codecache/jmx/GetUsageTest.java	2014-12-04 21:15:00.232585443 +0300
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import com.oracle.java.testlibrary.Asserts;
+import java.lang.management.MemoryPoolMXBean;
+import java.util.HashMap;
+import java.util.Map;
+import sun.hotspot.code.BlobType;
+
+/*
+ * @test GetUsageTest
+ * @library /testlibrary /testlibrary/whitebox
+ * @build GetUsageTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *     sun.hotspot.WhiteBox$WhiteBoxPermission
+ * @run main/othervm -Xbootclasspath/a:. -XX:CompileCommand=compileonly,null::*
+ *     -XX:-UseCodeCacheFlushing -XX:-MethodFlushing -XX:+SegmentedCodeCache
+ *     -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI GetUsageTest
+ * @summary testing of getUsage() for segmented code cache
+ */
+public class GetUsageTest {
+
+    private final BlobType btype;
+    private final int allocateSize;
+
+    public GetUsageTest(BlobType btype, int allocSize) {
+        this.btype = btype;
+        this.allocateSize = allocSize;
+    }
+
+    public static void main(String[] args) throws Exception {
+        for (BlobType btype : BlobType.getAvailable()) {
+            if (CodeCacheUtils.isCodeHeapPredictable(btype)) {
+                for (int allocSize = 10; allocSize < 100000; allocSize *= 10) {
+                    new GetUsageTest(btype, allocSize).runTest();
+                }
+            }
+        }
+    }
+
+    protected final Map<MemoryPoolMXBean, Long> getBeanUsages() {
+        Map<MemoryPoolMXBean, Long> beanUsages = new HashMap<>();
+        for (BlobType bt : BlobType.getAvailable()) {
+            beanUsages.put(bt.getMemoryPool(),
+                    bt.getMemoryPool().getUsage().getUsed());
+        }
+        return beanUsages;
+    }
+
+    protected void runTest() {
+        MemoryPoolMXBean[] predictableBeans = BlobType.getAvailable().stream()
+                .filter(CodeCacheUtils::isCodeHeapPredictable)
+                .map(BlobType::getMemoryPool)
+                .toArray(MemoryPoolMXBean[]::new);
+        CodeCacheUtils.WB.deoptimizeAll();
+        Map<MemoryPoolMXBean, Long> initial = getBeanUsages();
+        CodeCacheUtils.WB.allocateCodeBlob(allocateSize, btype.id);
+        Map<MemoryPoolMXBean, Long> current = getBeanUsages();
+        long blockCount = Math.floorDiv(allocateSize
+                + CodeCacheUtils.getHeaderSize(btype)
+                + CodeCacheUtils.SEGMENT_SIZE - 1, CodeCacheUtils.SEGMENT_SIZE);
+        long usageUpperEstimate = Math.max(blockCount,
+                CodeCacheUtils.MIN_BLOCK_LENGTH) * CodeCacheUtils.SEGMENT_SIZE;
+        for (MemoryPoolMXBean entry : predictableBeans) {
+            long diff = current.get(entry) - initial.get(entry);
+            if (entry.equals(btype.getMemoryPool())) {
+                Asserts.assertFalse(diff <= 0L || diff > usageUpperEstimate,
+                        String.format("Pool %s usage increase was reported "
+                                + "unexpectedly as increased by %d using "
+                                + "allocation size %d", entry.getName(),
+                                diff, allocateSize));
+            } else {
+                Asserts.assertEQ(diff, 0L,
+                        String.format("Pool %s usage changed unexpectedly while"
+                                + " trying to increase: %s using allocation "
+                                + "size %d", entry.getName(),
+                                btype.getMemoryPool().getName(), allocateSize));
+            }
+        }
+        System.out.printf("INFO: Scenario finished successfully for %s%n",
+                btype.getMemoryPool().getName());
+    }
+}