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\\)$";
58 Matcher m = Pattern.compile(pattern, Pattern.MULTILINE).matcher(output.getStdout());
59
60 if (!m.find()) {
61 throw new Exception("Could not find correct output for concurrent RS threads times in stdout," +
62 " should match the pattern \"" + pattern + "\", but stdout is \n" + output.getStdout());
63 }
64 output.shouldHaveExitValue(0);
65 }
66
67 public static void main(String[] args) throws Exception {
68 if (!TestRemsetLoggingTools.testingG1GC()) {
69 return;
70 }
71 // different valid combinations of number of refinement and gc worker threads
72 runTest(1, 1);
73 runTest(1, 5);
74 runTest(5, 1);
75 runTest(10, 10);
76 runTest(1, 2);
77 runTest(4, 3);
78 }
79 }
|
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test TestRemsetLoggingThreads
26 * @requires vm.gc=="G1" | vm.gc=="null"
27 * @bug 8025441
28 * @key gc
29 * @library /testlibrary /test/lib
30 * @modules java.base/sun.misc
31 * java.management/sun.management
32 * @build TestRemsetLoggingTools TestRemsetLoggingThreads
33 * @run main ClassFileInstaller sun.hotspot.WhiteBox
34 * sun.hotspot.WhiteBox$WhiteBoxPermission
35 * @summary Ensure that various values of worker threads/concurrent
36 * refinement threads do not crash the VM.
37 */
38
39 import java.util.regex.Matcher;
40 import java.util.regex.Pattern;
41
42 import jdk.test.lib.ProcessTools;
43 import jdk.test.lib.OutputAnalyzer;
44
45 public class TestRemsetLoggingThreads {
46
47 private static void runTest(int refinementThreads, int workerThreads) throws Exception {
48 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UseG1GC",
49 "-XX:+UnlockDiagnosticVMOptions",
50 "-Xlog:gc+remset+exit=trace",
51 "-XX:G1ConcRefinementThreads=" + refinementThreads,
52 "-XX:ParallelGCThreads=" + workerThreads,
53 "-version");
54
55 OutputAnalyzer output = new OutputAnalyzer(pb.start());
56
57 // a zero in refinement thread numbers indicates that the value in ParallelGCThreads should be used.
58 // Additionally use at least one thread.
59 int expectedNumRefinementThreads = refinementThreads;
60
61 String pattern = "Concurrent RS threads times \\(s\\)$";
62 Matcher m = Pattern.compile(pattern, Pattern.MULTILINE).matcher(output.getStdout());
63
64 if (!m.find()) {
65 throw new Exception("Could not find correct output for concurrent RS threads times in stdout," +
66 " should match the pattern \"" + pattern + "\", but stdout is \n" + output.getStdout());
67 }
68 output.shouldHaveExitValue(0);
69 }
70
71 public static void main(String[] args) throws Exception {
72 // different valid combinations of number of refinement and gc worker threads
73 runTest(1, 1);
74 runTest(1, 5);
75 runTest(5, 1);
76 runTest(10, 10);
77 runTest(1, 2);
78 runTest(4, 3);
79 }
80 }
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