changeset 1121:903bf758a2dd

7901291: jmh-core-it tests for forked VM footprint
author shade
date Thu, 05 Feb 2015 23:14:47 +0300
parents 18647f128073
children 751e57ec521f
files jmh-core-it/src/test/java/org/openjdk/jmh/it/footprint/ForkedFootprintTest.java
diffstat 1 files changed, 64 insertions(+), 0 deletions(-) [+]
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line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jmh-core-it/src/test/java/org/openjdk/jmh/it/footprint/ForkedFootprintTest.java	Thu Feb 05 23:14:47 2015 +0300
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2005, 2013, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 org.openjdk.jmh.it.footprint;
+
+import org.junit.Test;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.it.Fixtures;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.RunnerException;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+import org.openjdk.jmh.runner.options.TimeValue;
+
+public class ForkedFootprintTest {
+
+    @Benchmark
+    public void bench() {
+        // deliberately left empty: harness should work a lot
+    }
+
+    @Test
+    public void testGMB() throws RunnerException {
+        for (Mode mode : Mode.values()) {
+            if (mode == Mode.All) continue;
+
+            Options opts = new OptionsBuilder()
+                    .include(Fixtures.getTestMask(this.getClass()))
+                    .mode(mode)
+                    .shouldFailOnError(true)
+                    .measurementIterations(mode == Mode.SingleShotTime ? 50000 : 1000)
+                    .measurementTime(TimeValue.milliseconds(5))
+                    .warmupIterations(0)
+                    .forks(1)
+                    .jvmArgs("-Xmx16m", "-Xms16m")
+                    .build();
+
+            new Runner(opts).runSingle();
+        }
+    }
+
+}