1 /*
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 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 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
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24 
25 /*
26  * @test
27  * @summary Load app classes from CDS archive in parallel threads,
28  * use initial transformation (CFLH)
29  * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
30  *     /test/hotspot/jtreg/runtime/cds/appcds/test-classes /test/hotspot/jtreg/runtime/cds/appcds/jvmti
31  *     /test/hotspot/jtreg/testlibrary/jvmti
32  * @requires vm.cds
33  * @requires !vm.graal.enabled
34  * @requires vm.jvmti
35  * @build TransformUtil TransformerAgent ParallelLoad
36  * @run driver ParallelLoadAndTransformTest
37  */
38 
39 import java.util.List;
40 import java.util.stream.Collectors;
41 import java.util.stream.IntStream;
42 
43 import jdk.test.lib.helpers.ClassFileInstaller;
44 import jdk.test.lib.process.OutputAnalyzer;
45 
46 public class ParallelLoadAndTransformTest {
47 
48     public static void main(String[] args) throws Exception {
49         String prop = "-Dappcds.parallel.transform.mode=cflh";
50         String appJar = ClassFileInstaller.writeJar("parallel_load.jar",
51                             getClassList(true));
52         String agentJar = prepareAgent();
53 
54         TestCommon.testDump(appJar, getClassList(false), "-XX:-PreloadSharedClasses");
55 
56         OutputAnalyzer output = TestCommon.exec(appJar,
57                         "-javaagent:" + agentJar + "=ParallelClassTr.*",
58                         prop, "ParallelLoad");
59         TestCommon.checkExec(output);
60     }
61 
62 
63     private static String[] getClassList(boolean includeWatchdog) {
64         List<String> classList =
65             IntStream.range(0, ParallelClassesTransform.NUMBER_OF_CLASSES)
66             .mapToObj(i -> "ParallelClassTr" + i)
67             .collect(Collectors.toList());
68 
69         classList.add("ParallelLoad");
70         classList.add("ParallelLoadThread");
71         if (includeWatchdog)
72             classList.add("ParallelLoadWatchdog");
73 
74         return classList.toArray(new String[0]);
75     }
76 
77 
78     // Agent is the same for all test cases
79     private static String prepareAgent() throws Exception {
80         String agentClasses[] = {
81             "TransformerAgent",
82             "TransformerAgent$SimpleTransformer",
83             "TransformUtil"
84         };
85 
86         String manifest = "../../../../../testlibrary/jvmti/TransformerAgent.mf";
87 
88         return ClassFileInstaller.writeJar("TransformerAgent.jar",
89             ClassFileInstaller.Manifest.fromSourceFile(manifest),
90                                         agentClasses);
91     }
92 
93 }