8059625: JEP-JDK-8043304: Test task: DTrace- tests for segmented codecache feature

Reviewed-by: sspitsyn, twisti, fzhinkin, iignatyev

hotspot/test/testlibrary/com/oracle/java/testlibrary/dtrace/DtraceResultsAnalyzer.java

@@ -0,0 +1,29 @@
+/*
+ * 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.
+ */
+package com.oracle.java.testlibrary.dtrace;
+
+import com.oracle.java.testlibrary.OutputAnalyzer;
+
+public interface DtraceResultsAnalyzer {
+    public void analyze(OutputAnalyzer oa, String logFilePath);
+}

hotspot/test/testlibrary/com/oracle/java/testlibrary/dtrace/DtraceRunner.java

@@ -0,0 +1,121 @@
+/*
+ * 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.
+ */
+package com.oracle.java.testlibrary.dtrace;
+
+import com.oracle.java.testlibrary.Asserts;
+import com.oracle.java.testlibrary.OutputAnalyzer;
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class DtraceRunner {
+
+    private static final String DTRACE_DEFAULT_PATH = "/usr/sbin/dtrace";
+    private static final String DTRACE_PATH_PROPERTY
+            = "com.oracle.test.dtrace.path";
+    private static final String OUTPUT_FILE_DTRACE_OPTION = "o";
+    private static final String RUN_COMMAND_DTRACE_OPTION = "c";
+    private static final String RUN_SCRIPT_DTRACE_OPTION = "s";
+    private static final String ALLOW_ZERO_PROBE_DESCRIPTION_DTRACE_OPTION = "Z";
+    private static final String DTRACE_OPTION_PREFIX = "-";
+    public static final String PERMIT_DESTRUCTIVE_ACTIONS_DTRACE_OPTION = "w";
+    public static final String DTRACE_OUT_LOG = "dtrace.out";
+
+    private final String dtraceExecutable;
+
+    public DtraceRunner() {
+        dtraceExecutable = getDtracePath();
+    }
+
+    private List<String> getLaunchCmd(String java, String javaOpts,
+            String execClass, String testArgs, String dtraceScript,
+            String dtraceAddOpts) {
+        Asserts.assertTrue(!java.matches("\\s"), "Current dtrace implementation"
+                + " can't handle whitespaces in application path");
+        List<String> result = new ArrayList<>();
+        result.add(dtraceExecutable);
+        result.add(DTRACE_OPTION_PREFIX + System.getProperty("sun.arch.data.model"));
+        result.add(DTRACE_OPTION_PREFIX
+                + ALLOW_ZERO_PROBE_DESCRIPTION_DTRACE_OPTION
+                + ((dtraceAddOpts == null) ? "" : dtraceAddOpts)
+                + RUN_SCRIPT_DTRACE_OPTION); // run_script should be last one
+        result.add(dtraceScript);
+        result.add(DTRACE_OPTION_PREFIX + OUTPUT_FILE_DTRACE_OPTION);
+        result.add(DTRACE_OUT_LOG);
+        result.add(DTRACE_OPTION_PREFIX + RUN_COMMAND_DTRACE_OPTION);
+        result.add(java + " " + javaOpts + " " + execClass + " " + testArgs);
+        return result;
+    }
+
+    private void backupLogFile(File file) {
+        if (file.exists()) {
+            file.renameTo(new File(file.getPath() + ".bak"));
+        }
+    }
+
+    public void runDtrace(String java, String javaOpts, String execClass,
+            String testArgs, String dtraceScript, String dtraceAddOpts,
+            DtraceResultsAnalyzer analyzer) {
+        backupLogFile(new File(DTRACE_OUT_LOG));
+        ProcessBuilder pbuilder = new ProcessBuilder(
+                getLaunchCmd(java, javaOpts, execClass, testArgs,
+                        dtraceScript, dtraceAddOpts));
+        OutputAnalyzer oa;
+        try {
+            oa = new OutputAnalyzer(pbuilder.start());
+        } catch (IOException e) {
+            throw new Error("TESTBUG: Can't start process", e);
+        }
+        analyzer.analyze(oa, DTRACE_OUT_LOG);
+    }
+
+    public static boolean dtraceAvailable() {
+        String path = getDtracePath();
+        if (path == null) {
+            return false;
+        }
+        // now we'll launch dtrace to trace itself just to be sure it works
+        // and have all additional previleges set
+        ProcessBuilder pbuilder = new ProcessBuilder(path, path);
+        try {
+            OutputAnalyzer oa = new OutputAnalyzer(pbuilder.start());
+            if (oa.getExitValue() != 0) {
+                return false;
+            }
+        } catch (IOException e) {
+            throw new Error("Couldn't launch dtrace", e);
+        }
+        return true;
+    }
+
+    private static String getDtracePath() {
+        String propPath = System.getProperty(DTRACE_PATH_PROPERTY);
+        if (propPath != null && new File(propPath).exists()) {
+            return propPath;
+        } else if (new File(DTRACE_DEFAULT_PATH).exists()) {
+            return DTRACE_DEFAULT_PATH;
+        }
+        return null;
+    }
+}