1 /* 2 * Copyright (c) 2013, 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 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 /* 26 * @test 27 * 28 * @summary converted from VM Testbase metaspace/shrink_grow/ShrinkGrowMultiJVM. 29 * VM Testbase keywords: [nonconcurrent] 30 * 31 * @requires vm.opt.final.ClassUnloading 32 * @library /vmTestbase /test/lib 33 * @build metaspace.shrink_grow.ShrinkGrowMultiJVM.ShrinkGrowMultiJVM 34 * @run driver metaspace.shrink_grow.ShrinkGrowMultiJVM.ShrinkGrowMultiJVM 35 */ 36 37 package metaspace.shrink_grow.ShrinkGrowMultiJVM; 38 39 import jdk.test.lib.Utils; 40 41 import java.io.IOException; 42 import java.io.InputStream; 43 import java.io.OutputStream; 44 import java.nio.file.Paths; 45 import java.util.ArrayList; 46 import java.util.List; 47 48 /** 49 * This test starts several JVMs and run ShrinkGrow metaspace test. 50 * 51 * It expected that all the parameters on start new processes are given 52 * in the command line. 53 */ 54 public class ShrinkGrowMultiJVM { 55 private static final String[] TEST_ARGS = { 56 Paths.get(Utils.TEST_JDK) 57 .resolve("bin") 58 .resolve("java") 59 .toAbsolutePath() 60 .toString(), 61 "-Xlog:gc:gc_$i.log", // LOG_GC_ARG_INDEX 62 "-XX:MetaspaceSize=10m", 63 "-XX:MaxMetaspaceSize=20m", 64 "-cp", 65 Utils.TEST_CLASS_PATH 66 }; 67 private static final int LOG_GC_ARG_INDEX = 1; main(String argv[])68 public static void main(String argv[]) { 69 String[] testJavaOpts = Utils.getTestJavaOpts(); 70 String[] args = new String[TEST_ARGS.length + testJavaOpts.length + 2]; 71 System.arraycopy(TEST_ARGS, 0, args, 0, TEST_ARGS.length); 72 System.arraycopy(testJavaOpts, 0, args, TEST_ARGS.length, testJavaOpts.length); 73 args[args.length - 2] = metaspace.shrink_grow.ShrinkGrowTest.ShrinkGrowTest.class.getCanonicalName(); 74 args[args.length - 1] = "jvm#$i"; 75 76 for (int i = 0; i < args.length; ++i) { 77 System.out.println("%arg #" + i + ": " + args[i]); 78 } 79 80 List<Process> list = new ArrayList<>(); 81 for (int i = 0; i < 5; i++) { 82 // will be used as jvm id 83 args[args.length - 1] = "jvm#" + i; 84 args[LOG_GC_ARG_INDEX] = "-Xlog:gc:gc_" + i + ".log"; 85 ProcessBuilder pb = new ProcessBuilder(args); 86 try { 87 Process p = pb.start(); 88 // Redirect.INHERIT doesn't work w/ @run driver 89 new Thread(() -> copy(p.getInputStream(), System.out)).start(); 90 new Thread(() -> copy(p.getErrorStream(), System.out)).start(); 91 list.add(p); 92 System.out.println("=== process #" + i + " started"); 93 } catch (IOException e) { 94 throw new Error("Failed to start process " + i, e); 95 } 96 } 97 int failedCount = 0; 98 for (int i = 0; i < list.size(); i++) { 99 Process p = list.get(i); 100 try { 101 int exitCode = p.waitFor(); 102 if (exitCode != 0) { 103 failedCount++; 104 System.out.println("=== process #" + i + " exitCode=" + exitCode); 105 } 106 } catch (InterruptedException e) { 107 failedCount++; 108 System.out.println("=== process #" + i + " waitFor failed"); 109 e.printStackTrace(System.out); 110 } 111 } 112 if (failedCount != 0) { 113 throw new AssertionError(failedCount + " out of " + list.size() + " tests failed"); 114 } 115 } 116 copy(InputStream is, OutputStream os)117 private static void copy(InputStream is, OutputStream os) { 118 byte[] buffer = new byte[1024]; 119 int n; 120 try (InputStream close = is) { 121 while ((n = is.read(buffer)) != -1) { 122 os.write(buffer, 0, n); 123 } 124 os.flush(); 125 } catch (IOException e) { 126 e.printStackTrace(); 127 } 128 } 129 } 130