changeset 43960:27d762084344

8138801: develop tests to check that CompilerToVM::isMature state is consistence w/ reprofile Reviewed-by: kvn
author dpochepk
date Wed, 15 Feb 2017 17:39:19 +0300
parents 514a185357c1
children 441de9600d40
files hotspot/test/compiler/jvmci/compilerToVM/IsMatureVsReprofileTest.java
diffstat 1 files changed, 98 insertions(+), 0 deletions(-) [+]
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/jvmci/compilerToVM/IsMatureVsReprofileTest.java	Wed Feb 15 17:39:19 2017 +0300
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2017, 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
+ * @bug 8136421
+ * @requires vm.jvmci
+ * @library / /test/lib
+ *          ../common/patches
+ * @modules java.base/jdk.internal.misc
+ *          java.base/jdk.internal.org.objectweb.asm
+ *          java.base/jdk.internal.org.objectweb.asm.tree
+ *          jdk.vm.ci/jdk.vm.ci.hotspot
+ *          jdk.vm.ci/jdk.vm.ci.code
+ * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
+ *        sun.hotspot.WhiteBox
+ * @run driver ClassFileInstaller sun.hotspot.WhiteBox
+ *                                sun.hotspot.WhiteBox$WhiteBoxPermission
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *     -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -Xbatch
+ *     compiler.jvmci.compilerToVM.IsMatureVsReprofileTest
+ */
+
+package compiler.jvmci.compilerToVM;
+
+import compiler.jvmci.common.CTVMUtilities;
+import compiler.jvmci.common.testcases.SimpleClass;
+import jdk.vm.ci.hotspot.CompilerToVMHelper;
+import jdk.test.lib.Asserts;
+import sun.hotspot.WhiteBox;
+import compiler.whitebox.CompilerWhiteBoxTest;
+import java.lang.reflect.Executable;
+import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
+import jdk.test.lib.Platform;
+
+public class IsMatureVsReprofileTest {
+    private static final WhiteBox WB = WhiteBox.getWhiteBox();
+    private static final boolean TIERED = WB.getBooleanVMFlag("TieredCompilation");
+    private static final boolean IS_XCOMP = Platform.isComp();
+
+    public static void main(String[] args) throws Exception {
+        new IsMatureVsReprofileTest().test();
+    }
+
+    public void test() throws Exception {
+        SimpleClass sclass = new SimpleClass();
+        Executable method = SimpleClass.class.getDeclaredMethod("testMethod");
+        long metaspaceMethodData = WB.getMethodData(method);
+        Asserts.assertEQ(metaspaceMethodData, 0L, "MDO should be null for a "
+                 + "never invoked method");
+        boolean isMature = CompilerToVMHelper.isMature(metaspaceMethodData);
+        Asserts.assertFalse(isMature, "null MDO can't be mature");
+        for (int i = 0; i < CompilerWhiteBoxTest.THRESHOLD; i++) {
+            sclass.testMethod();
+        }
+        Asserts.assertTrue(WB.isMethodCompiled(method),
+                "Method should be compiled");
+        metaspaceMethodData = WB.getMethodData(method);
+        Asserts.assertNE(metaspaceMethodData, 0L,
+                "Multiple times invoked method should have MDO");
+        isMature = CompilerToVMHelper.isMature(metaspaceMethodData);
+        /* a method is not mature for -Xcomp and -Tiered,
+           see NonTieredCompPolicy::is_mature */
+        Asserts.assertEQ(!IS_XCOMP || TIERED, isMature,
+                "Unexpected isMature state for compiled method");
+        HotSpotResolvedJavaMethod resolvedMethod
+                = CTVMUtilities.getResolvedMethod(method);
+        CompilerToVMHelper.reprofile(resolvedMethod);
+        Asserts.assertFalse(WB.isMethodCompiled(method),
+                "Unexpected method compilation state after reprofile");
+        metaspaceMethodData = WB.getMethodData(method);
+        isMature = CompilerToVMHelper.isMature(metaspaceMethodData);
+        Asserts.assertNE(metaspaceMethodData, 0L,
+                "Got null MDO after reprofile");
+        Asserts.assertEQ(TIERED && IS_XCOMP, isMature,
+                "Got unexpected isMature state after reprofiling");
+    }
+}