diff test/gc/g1/TestPrintRegionRememberedSetInfo.java @ 10290:05a17f270c7e

8014240: G1: Add remembered set size information to output of G1PrintRegionLivenessInfo Summary: Improve the output of G1PrintRegionLivenessInfo by adding a per-region remembered set size information column Reviewed-by: jwilhelm, johnc
author tschatzl
date Thu, 16 May 2013 13:02:33 +0200
parents
children e3c8767c5cf8
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/g1/TestPrintRegionRememberedSetInfo.java	Thu May 16 13:02:33 2013 +0200
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 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.
+ *
+ * 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 TestPrintRegionRememberedSetInfo
+ * @key gc
+ * @bug 8014240
+ * @summary Test output of G1PrintRegionRememberedSetInfo
+ * @library /testlibrary
+ * @build TestPrintRegionRememberedSetInfo
+ * @author thomas.schatzl@oracle.com
+ */
+
+import com.oracle.java.testlibrary.*;
+import java.lang.Thread;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+class RunAndWaitForMarking {
+    public static void main(String[] args) {
+        System.gc();
+        try {
+            Thread.sleep(200);
+        } catch (InterruptedException e) {
+        }
+    }
+}
+
+public class TestPrintRegionRememberedSetInfo {
+
+    public static String runTest(String arg) throws Exception {
+        ArrayList<String> finalargs = new ArrayList<String>();
+        String[] defaultArgs = new String[] {
+            "-XX:+UseG1GC",
+            "-Xmx10m",
+            "-XX:+ExplicitGCInvokesConcurrent",
+            "-XX:+UnlockDiagnosticVMOptions",
+            "-XX:+G1PrintRegionLivenessInfo",
+            "-XX:G1HeapRegionSize=1M",
+            "-XX:InitiatingHeapOccupancyPercent=0",
+        };
+
+        finalargs.addAll(Arrays.asList(defaultArgs));
+        finalargs.add(arg);
+
+        finalargs.add(RunAndWaitForMarking.class.getName());
+
+        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+            finalargs.toArray(new String[0]));
+        OutputAnalyzer output = new OutputAnalyzer(pb.start());
+        output.shouldHaveExitValue(0);
+
+        String result = output.getStdout();
+        return result;
+    }
+
+    public static void main(String[] args) throws Exception {
+        String result;
+
+        result = runTest("-XX:+G1PrintRegionLivenessInfo");
+        // check that we got region statistics output
+        if (result.indexOf("PHASE") == -1) {
+            throw new RuntimeException("Unexpected output from -XX:+PrintRegionLivenessInfo found.");
+        }
+
+        result = runTest("-XX:-G1PrintRegionLivenessInfo");
+        if (result.indexOf("remset") != -1) {
+            throw new RuntimeException("Should find remembered set information in output.");
+        }
+    }
+}
+