7090324: gclog rotation via external tool

Summary: GC log rotation can be set via java command line, but customer sometime need to sync with OS level rotation setting.
Reviewed-by: sla, minqi, ehelin
Contributed-by: suenaga.yasumasa@lab.ntt.co.jp

1 files changed, 77 insertions, 0 deletions

diff --git a/test/gc/TestGCLogRotationViaJcmd.java b/test/gc/TestGCLogRotationViaJcmd.java
new file mode 100644
index 000000000..fd71d368b
--- /dev/null
+++ b/test/gc/TestGCLogRotationViaJcmd.java
@@ -0,0 +1,77 @@
+/*
+ * 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.
+ */
+
+/*
+ * @test TestGCLogRotationViaJcmd.java
+ * @bug 7090324
+ * @summary test for gc log rotation via jcmd
+ * @library /testlibrary
+ * @run main/othervm -Xloggc:test.log -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=3 TestGCLogRotationViaJcmd
+ *
+ */
+import com.oracle.java.testlibrary.*;
+import java.io.File;
+import java.io.FilenameFilter;
+
+public class TestGCLogRotationViaJcmd {
+
+    static final File currentDirectory = new File(".");
+    static final String LOG_FILE_NAME = "test.log";
+    static final int NUM_LOGS = 3;
+
+    static FilenameFilter logFilter = new FilenameFilter() {
+        @Override
+        public boolean accept(File dir, String name) {
+            return name.startsWith(LOG_FILE_NAME);
+        }
+    };
+
+    public static void main(String[] args) throws Exception {
+        // Grab the pid from the current java process
+        String pid = Integer.toString(ProcessTools.getProcessId());
+
+        // Create a JDKToolLauncher
+        JDKToolLauncher jcmd = JDKToolLauncher.create("jcmd")
+                                              .addToolArg(pid)
+                                              .addToolArg("GC.rotate_log");
+
+        for (int times = 1; times < NUM_LOGS; times++) {
+            // Run jcmd <pid> GC.rotate_log
+            ProcessBuilder pb = new ProcessBuilder(jcmd.getCommand());
+
+            // Make sure we didn't crash
+            OutputAnalyzer output = new OutputAnalyzer(pb.start());
+            output.shouldHaveExitValue(0);
+        }
+
+        // GC log check
+        File[] logs = currentDirectory.listFiles(logFilter);
+        if (logs.length != NUM_LOGS) {
+            throw new Error("There are only " + logs.length
+                                              + " logs instead " + NUM_LOGS);
+        }
+
+    }
+
+}
+