1 /* 2 * Copyright (c) 2013, 2018, 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 * @run driver jdk.test.lib.FileInstaller . . 34 * @build metaspace.shrink_grow.ShrinkGrowMultiJVM.ShrinkGrowMultiJVM 35 * @run driver metaspace.shrink_grow.ShrinkGrowMultiJVM.ShrinkGrowMultiJVM 36 */ 37 38 package metaspace.shrink_grow.ShrinkGrowMultiJVM; 39 40 import jdk.test.lib.Utils; 41 42 import java.io.IOException; 43 import java.io.InputStream; 44 import java.io.OutputStream; 45 import java.nio.file.Paths; 46 import java.util.ArrayList; 47 import java.util.List; 48 49 /** 50 * This test starts several JVMs and run ShrinkGrow metaspace test. 51 * 52 * It expected that all the parameters on start new processes are given 53 * in the command line. 54 */ 55 public class ShrinkGrowMultiJVM { 56 private static final String[] TEST_ARGS = { 57 Paths.get(Utils.TEST_JDK) 58 .resolve("bin") 59 .resolve("java") 60 .toAbsolutePath() 61 .toString(), 62 "-Xlog:gc:gc_$i.log", // LOG_GC_ARG_INDEX 63 "-XX:MetaspaceSize=10m", 64 "-XX:MaxMetaspaceSize=20m", 65 "-cp", 66 Utils.TEST_CLASS_PATH 67 }; 68 private static final int LOG_GC_ARG_INDEX = 1; main(String argv[])69 public static void main(String argv[]) { 70 String[] testJavaOpts = Utils.getTestJavaOpts(); 71 String[] args = new String[TEST_ARGS.length + testJavaOpts.length + 2]; 72 System.arraycopy(TEST_ARGS, 0, args, 0, TEST_ARGS.length); 73 System.arraycopy(testJavaOpts, 0, args, TEST_ARGS.length, testJavaOpts.length); 74 args[args.length - 2] = metaspace.shrink_grow.ShrinkGrowTest.ShrinkGrowTest.class.getCanonicalName(); 75 args[args.length - 1] = "jvm#$i"; 76 77 for (int i = 0; i < args.length; ++i) { 78 System.out.println("%arg #" + i + ": " + args[i]); 79 } 80 81 List<Process> list = new ArrayList<>(); 82 for (int i = 0; i < 5; i++) { 83 // will be used as jvm id 84 args[args.length - 1] = "jvm#" + i; 85 args[LOG_GC_ARG_INDEX] = "-Xlog:gc:gc_" + i + ".log"; 86 ProcessBuilder pb = new ProcessBuilder(args); 87 try { 88 Process p = pb.start(); 89 // Redirect.INHERIT doesn't work w/ @run driver 90 new Thread(() -> copy(p.getInputStream(), System.out)).start(); 91 new Thread(() -> copy(p.getErrorStream(), System.out)).start(); 92 list.add(p); 93 System.out.println("=== process #" + i + " started"); 94 } catch (IOException e) { 95 throw new Error("Failed to start process " + i, e); 96 } 97 } 98 int failedCount = 0; 99 for (int i = 0; i < list.size(); i++) { 100 Process p = list.get(i); 101 try { 102 int exitCode = p.waitFor(); 103 if (exitCode != 0) { 104 failedCount++; 105 System.out.println("=== process #" + i + " exitCode=" + exitCode); 106 } 107 } catch (InterruptedException e) { 108 failedCount++; 109 System.out.println("=== process #" + i + " waitFor failed"); 110 e.printStackTrace(System.out); 111 } 112 } 113 if (failedCount != 0) { 114 throw new AssertionError(failedCount + " out of " + list.size() + " tests failed"); 115 } 116 } 117 copy(InputStream is, OutputStream os)118 private static void copy(InputStream is, OutputStream os) { 119 byte[] buffer = new byte[1024]; 120 int n; 121 try (InputStream close = is) { 122 while ((n = is.read(buffer)) != -1) { 123 os.write(buffer, 0, n); 124 } 125 os.flush(); 126 } catch (IOException e) { 127 e.printStackTrace(); 128 } 129 } 130 } 131