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 package gc.metaspace;
25
26 /**
27 * @test CompressedClassSpaceSizeInJmapHeap
28 * @bug 8004924
29 * @summary Checks that jmap -heap contains the flag CompressedClassSpaceSize
30 * @requires vm.hasSA
31 * @requires vm.bits == 64 & vm.opt.final.UseCompressedOops == true
32 * @library /test/lib
33 * @modules java.base/jdk.internal.misc
34 * java.management
35 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:CompressedClassSpaceSize=50m gc.metaspace.CompressedClassSpaceSizeInJmapHeap
36 */
37
38 import jdk.test.lib.JDKToolLauncher;
39 import jdk.test.lib.process.OutputAnalyzer;
40 import jdk.test.lib.process.ProcessTools;
41 import jdk.test.lib.SA.SATestUtils;
42 import java.nio.file.*;
43 import java.io.File;
44 import java.nio.charset.Charset;
45 import java.util.List;
46
47 public class CompressedClassSpaceSizeInJmapHeap {
48 // Note that on some platforms it may require root privileges to run this test.
49 public static void main(String[] args) throws Exception {
50 SATestUtils.skipIfCannotAttach(); // throws SkippedException if attach not expected to work.
51
52 String pid = Long.toString(ProcessTools.getProcessId());
53
54 JDKToolLauncher jmap = JDKToolLauncher.create("jhsdb")
55 .addToolArg("jmap")
56 .addToolArg("--heap")
57 .addToolArg("--pid")
58 .addToolArg(pid);
59 ProcessBuilder pb = SATestUtils.createProcessBuilder(jmap);
60
61 File out = new File("CompressedClassSpaceSizeInJmapHeap.stdout.txt");
62 pb.redirectOutput(out);
63
64 File err = new File("CompressedClassSpaceSizeInJmapHeap.stderr.txt");
65 pb.redirectError(err);
66
67 run(pb);
68
69 OutputAnalyzer output = new OutputAnalyzer(read(out));
70 output.shouldContain("CompressedClassSpaceSize = 52428800 (50.0MB)");
71 out.delete();
72 }
73
74 private static void run(ProcessBuilder pb) throws Exception {
75 Process p = pb.start();
76 p.waitFor();
77 int exitValue = p.exitValue();
78 if (exitValue != 0) {
79 throw new Exception("jmap -heap exited with error code: " + exitValue);
80 }
81 }
82
83 private static String read(File f) throws Exception {
84 Path p = f.toPath();
85 List<String> lines = Files.readAllLines(p, Charset.defaultCharset());
86
87 StringBuilder sb = new StringBuilder();
88 for (String line : lines) {
89 sb.append(line).append('\n');
90 }
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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 package gc.metaspace;
25
26 /**
27 * @test CompressedClassSpaceSizeInJmapHeap
28 * @bug 8004924
29 * @summary Checks that jmap -heap contains the flag CompressedClassSpaceSize
30 * @requires vm.hasSA
31 * @requires vm.bits == 64 & vm.opt.final.UseCompressedOops == true
32 * @library /test/lib
33 * @modules java.base/jdk.internal.misc
34 * java.management
35 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:CompressedClassSpaceSize=48m gc.metaspace.CompressedClassSpaceSizeInJmapHeap
36 */
37
38 import jdk.test.lib.JDKToolLauncher;
39 import jdk.test.lib.process.OutputAnalyzer;
40 import jdk.test.lib.process.ProcessTools;
41 import jdk.test.lib.SA.SATestUtils;
42 import java.nio.file.*;
43 import java.io.File;
44 import java.nio.charset.Charset;
45 import java.util.List;
46
47 public class CompressedClassSpaceSizeInJmapHeap {
48 // Note that on some platforms it may require root privileges to run this test.
49 public static void main(String[] args) throws Exception {
50 SATestUtils.skipIfCannotAttach(); // throws SkippedException if attach not expected to work.
51
52 String pid = Long.toString(ProcessTools.getProcessId());
53
54 JDKToolLauncher jmap = JDKToolLauncher.create("jhsdb")
55 .addToolArg("jmap")
56 .addToolArg("--heap")
57 .addToolArg("--pid")
58 .addToolArg(pid);
59 ProcessBuilder pb = SATestUtils.createProcessBuilder(jmap);
60
61 File out = new File("CompressedClassSpaceSizeInJmapHeap.stdout.txt");
62 pb.redirectOutput(out);
63
64 File err = new File("CompressedClassSpaceSizeInJmapHeap.stderr.txt");
65 pb.redirectError(err);
66
67 run(pb);
68
69 OutputAnalyzer output = new OutputAnalyzer(read(out));
70 output.shouldContain("CompressedClassSpaceSize = 50331648 (48.0MB)");
71 out.delete();
72 }
73
74 private static void run(ProcessBuilder pb) throws Exception {
75 Process p = pb.start();
76 p.waitFor();
77 int exitValue = p.exitValue();
78 if (exitValue != 0) {
79 throw new Exception("jmap -heap exited with error code: " + exitValue);
80 }
81 }
82
83 private static String read(File f) throws Exception {
84 Path p = f.toPath();
85 List<String> lines = Files.readAllLines(p, Charset.defaultCharset());
86
87 StringBuilder sb = new StringBuilder();
88 for (String line : lines) {
89 sb.append(line).append('\n');
90 }
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