hotspot/test/runtime/Throwable/StackTraceLogging.java
author coleenp
Thu, 10 Mar 2016 13:43:47 -0500
changeset 37064 5c82fa70d313
child 37298 8df0cc9da41e
permissions -rw-r--r--
8150778: Reduce Throwable.getStackTrace() calls to the JVM Summary: replace JVM_GetStackTraceDepth and JVM_GetStackTraceElement, with JVM_GetStackTraceElements that gets all the elements in the StackTraceElement[] Reviewed-by: shade, mchung, dholmes, hseigel
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/*
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 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.    See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 8150778
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 * @summary check stacktrace logging
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 * @library /testlibrary
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 * @modules java.base/sun.misc
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 *          java.management
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 * @build jdk.test.lib.OutputAnalyzer jdk.test.lib.ProcessTools
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 * @compile TestThrowable.java
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 * @run driver StackTraceLogging
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 */
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import java.io.File;
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import java.util.Map;
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import jdk.test.lib.OutputAnalyzer;
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import jdk.test.lib.ProcessTools;
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public class StackTraceLogging {
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    static void updateEnvironment(ProcessBuilder pb, String environmentVariable, String value) {
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        Map<String, String> env = pb.environment();
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        env.put(environmentVariable, value);
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    }
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    static void analyzeOutputOn(ProcessBuilder pb) throws Exception {
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        OutputAnalyzer output = new OutputAnalyzer(pb.start());
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        // These depths match the ones in TestThrowable.java
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        int[] depths = {10, 34, 100, 1024};
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        for (int d : depths) {
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            output.shouldContain("java.lang.RuntimeException, " + d);
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        }
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        output.shouldHaveExitValue(0);
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    }
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    public static void main(String[] args) throws Exception {
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        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:stacktrace=info",
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                                                                  "-XX:MaxJavaStackTraceDepth=1024",
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                                                                  "TestThrowable");
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        analyzeOutputOn(pb);
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    }
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}