author | prr |
Thu, 26 Jul 2018 10:00:40 -0700 | |
changeset 51251 | 0a7a0a6dfa22 |
parent 49956 | a87f2e7a527c |
child 52270 | 487bd00f4ea8 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2017, 2018, 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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import java.io.BufferedReader; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.InputStreamReader; |
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import java.util.regex.Pattern; |
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import jdk.test.lib.process.OutputAnalyzer; |
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import jdk.test.lib.Platform; |
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import jdk.test.lib.process.ProcessTools; |
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|
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/* |
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* @test |
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* @requires (vm.debug == true) |
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* @bug 8167108 |
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* @summary Nested ThreadsListHandle info should be in error handling output. |
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* @modules java.base/jdk.internal.misc |
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* @library /test/lib |
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* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+EnableThreadSMRStatistics NestedThreadsListHandleInErrorHandlingTest |
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*/ |
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/* |
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* This test was created using SafeFetchInErrorHandlingTest.java |
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* as a guide. |
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*/ |
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public class NestedThreadsListHandleInErrorHandlingTest { |
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public static void main(String[] args) throws Exception { |
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|
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// The -XX:ErrorHandlerTest=N option requires debug bits. |
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
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"-XX:+UnlockDiagnosticVMOptions", |
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"-Xmx100M", |
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"-XX:ErrorHandlerTest=17", |
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"-XX:-CreateCoredumpOnCrash", |
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"-version"); |
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OutputAnalyzer output_detail = new OutputAnalyzer(pb.start()); |
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|
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// We should have crashed with a specific fatal error: |
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output_detail.shouldMatch("# A fatal error has been detected by the Java Runtime Environment:.*"); |
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System.out.println("Found fatal error header."); |
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output_detail.shouldMatch("# +fatal error: Force crash with a nested ThreadsListHandle."); |
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System.out.println("Found specific fatal error."); |
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// Extract hs_err_pid file. |
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String hs_err_file = output_detail.firstMatch("# *(\\S*hs_err_pid\\d+\\.log)", 1); |
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if (hs_err_file == null) { |
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throw new RuntimeException("Did not find hs_err_pid file in output.\n"); |
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} |
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File f = new File(hs_err_file); |
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if (!f.exists()) { |
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throw new RuntimeException("hs_err_pid file missing at " |
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+ f.getAbsolutePath() + ".\n"); |
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} |
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System.out.println("Found hs_err_pid file. Scanning..."); |
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FileInputStream fis = new FileInputStream(f); |
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BufferedReader br = new BufferedReader(new InputStreamReader(fis)); |
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String line = null; |
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Pattern [] pattern = new Pattern[] { |
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// The "Current thread" line should show a hazard ptr and |
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// a nested hazard ptr: |
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Pattern.compile("Current thread .* _threads_hazard_ptr=0x[0-9A-Fa-f][0-9A-Fa-f]*, _nested_threads_hazard_ptr_cnt=1, _nested_threads_hazard_ptr=0x[0-9A-Fa-f][0-9A-Fa-f]*.*"), |
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// We should have a section of Threads class SMR info: |
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Pattern.compile("Threads class SMR info:"), |
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// We should have one nested ThreadsListHandle: |
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Pattern.compile(".*, _nested_thread_list_max=1"), |
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// The current thread (marked with '=>') in the threads list |
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// should show a hazard ptr and a nested hazard ptr: |
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Pattern.compile("=>.* JavaThread \"main\" .* _threads_hazard_ptr=0x[0-9A-Fa-f][0-9A-Fa-f]*, _nested_threads_hazard_ptr_cnt=1, _nested_threads_hazard_ptr=0x[0-9A-Fa-f][0-9A-Fa-f]*.*"), |
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}; |
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int currentPattern = 0; |
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String lastLine = null; |
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while ((line = br.readLine()) != null) { |
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if (currentPattern < pattern.length) { |
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if (pattern[currentPattern].matcher(line).matches()) { |
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System.out.println("Found: " + line + "."); |
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currentPattern++; |
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} |
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} |
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lastLine = line; |
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} |
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br.close(); |
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|
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if (currentPattern < pattern.length) { |
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throw new RuntimeException("hs_err_pid file incomplete (first missing pattern: " + currentPattern + ")"); |
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} |
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if (!lastLine.equals("END.")) { |
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throw new RuntimeException("hs-err file incomplete (missing END marker.)"); |
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} else { |
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System.out.println("End marker found."); |
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} |
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System.out.println("Done scanning hs_err_pid_file."); |
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System.out.println("PASSED."); |
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} |
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} |