5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test TestSummarizeRSetStatsThreads 26 * @bug 8025441 27 * @summary Ensure that various values of worker threads/concurrent 28 * refinement threads do not crash the VM. 29 * @key gc 30 * @library /testlibrary 31 * @modules java.base/sun.misc 32 * java.management/sun.management 33 */ 34 35 import java.util.regex.Matcher; 36 import java.util.regex.Pattern; 37 38 import jdk.test.lib.ProcessTools; 39 import jdk.test.lib.OutputAnalyzer; 40 41 public class TestSummarizeRSetStatsThreads { 42 43 private static void runTest(int refinementThreads, int workerThreads) throws Exception { 44 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", 45 "-XX:+UnlockDiagnosticVMOptions", 46 "-XX:+G1SummarizeRSetStats", 47 "-XX:G1ConcRefinementThreads=" + refinementThreads, 48 "-XX:ParallelGCThreads=" + workerThreads, 49 "-version"); 50 51 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 52 53 // check output to contain the string "Concurrent RS threads times (s)" followed by 54 // the correct number of values in the next line. 55 56 // a zero in refinement thread numbers indicates that the value in ParallelGCThreads should be used. 57 // Additionally use at least one thread. 58 int expectedNumRefinementThreads = refinementThreads; 59 60 // create the pattern made up of n copies of a floating point number pattern 61 String numberPattern = String.format("%0" + expectedNumRefinementThreads + "d", 0) 62 .replace("0", "\\s+\\d+\\.\\d+"); 63 String pattern = "Concurrent RS threads times \\(s\\)$" + numberPattern + "$"; 64 Matcher m = Pattern.compile(pattern, Pattern.MULTILINE).matcher(output.getStdout()); 65 66 if (!m.find()) { 67 throw new Exception("Could not find correct output for concurrent RS threads times in stdout," + 68 " should match the pattern \"" + pattern + "\", but stdout is \n" + output.getStdout()); 69 } 70 output.shouldHaveExitValue(0); 71 } 72 73 public static void main(String[] args) throws Exception { 74 if (!TestSummarizeRSetStatsTools.testingG1GC()) { 75 return; 76 } 77 // different valid combinations of number of refinement and gc worker threads 78 runTest(1, 1); 79 runTest(1, 5); 80 runTest(5, 1); 81 runTest(10, 10); 82 runTest(1, 2); 83 runTest(4, 3); 84 } 85 } | 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test TestRemsetLoggingThreads 26 * @bug 8025441 27 * @summary Ensure that various values of worker threads/concurrent 28 * refinement threads do not crash the VM. 29 * @key gc 30 * @library /testlibrary 31 * @modules java.base/sun.misc 32 * java.management/sun.management 33 */ 34 35 import java.util.regex.Matcher; 36 import java.util.regex.Pattern; 37 38 import jdk.test.lib.ProcessTools; 39 import jdk.test.lib.OutputAnalyzer; 40 41 public class TestRemsetLoggingThreads { 42 43 private static void runTest(int refinementThreads, int workerThreads) throws Exception { 44 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC", 45 "-XX:+UnlockDiagnosticVMOptions", 46 "-Xlog:gc+remset+exit=trace", 47 "-XX:G1ConcRefinementThreads=" + refinementThreads, 48 "-XX:ParallelGCThreads=" + workerThreads, 49 "-version"); 50 51 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 52 53 // a zero in refinement thread numbers indicates that the value in ParallelGCThreads should be used. 54 // Additionally use at least one thread. 55 int expectedNumRefinementThreads = refinementThreads; 56 57 String pattern = "Concurrent RS threads times \\(s\\)$"; 58 Matcher m = Pattern.compile(pattern, Pattern.MULTILINE).matcher(output.getStdout()); 59 60 if (!m.find()) { 61 throw new Exception("Could not find correct output for concurrent RS threads times in stdout," + 62 " should match the pattern \"" + pattern + "\", but stdout is \n" + output.getStdout()); 63 } 64 output.shouldHaveExitValue(0); 65 } 66 67 public static void main(String[] args) throws Exception { 68 if (!TestRemsetLoggingTools.testingG1GC()) { 69 return; 70 } 71 // different valid combinations of number of refinement and gc worker threads 72 runTest(1, 1); 73 runTest(1, 5); 74 runTest(5, 1); 75 runTest(10, 10); 76 runTest(1, 2); 77 runTest(4, 3); 78 } 79 } |