null
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, 1 | 42712 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, -1 | 29232 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, 1 | 430036 | ACCEPTABLE | Both threads have acquired the write lock, and were quick enough to convert them to the read locks. |
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, 1 | 61673 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, -1 | 37459 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, 1 | 530498 | ACCEPTABLE | Both threads have acquired the write lock, and were quick enough to convert them to the read locks. |
JVM options: [-server, -XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, 1 | 79754 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, -1 | 37643 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, 1 | 281233 | ACCEPTABLE | Both threads have acquired the write lock, and were quick enough to convert them to the read locks. |
JVM options: [-server, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, 1 | 34538 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, -1 | 26228 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, 1 | 288654 | ACCEPTABLE | Both threads have acquired the write lock, and were quick enough to convert them to the read locks. |
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, 1 | 21844 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, -1 | 19880 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, 1 | 173486 | ACCEPTABLE | Both threads have acquired the write lock, and were quick enough to convert them to the read locks. |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, 1 | 36838 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, -1 | 46160 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, 1 | 499842 | ACCEPTABLE | Both threads have acquired the write lock, and were quick enough to convert them to the read locks. |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, 1 | 15242 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, -1 | 15018 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, 1 | 330 | ACCEPTABLE | Both threads have acquired the write lock, and were quick enough to convert them to the read locks. |
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, 1 | 42294 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, -1 | 33119 | ACCEPTABLE | One of the threads had successfully acquired the write lock, and converted it to optimistic. Another thread had failed to acquire write lock, letting first thread to transit to read. |
| 1, 1 | 560777 | ACCEPTABLE | Both threads have acquired the write lock, and were quick enough to convert them to the read locks. |