Tests the mutual exclusion
JVM options: [-server, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, .* | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| .*, -1 | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| 0, 1 | 45447 | ACCEPTABLE | T2 -> T1 execution |
| 1, 0 | 213073 | ACCEPTABLE | T1 -> T2 execution |
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, .* | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| .*, -1 | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| 0, 1 | 35216 | ACCEPTABLE | T2 -> T1 execution |
| 1, 0 | 35754 | ACCEPTABLE | T1 -> T2 execution |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, .* | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| .*, -1 | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| 0, 1 | 110941 | ACCEPTABLE | T2 -> T1 execution |
| 1, 0 | 251429 | ACCEPTABLE | T1 -> T2 execution |
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, .* | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| .*, -1 | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| 0, 1 | 69055 | ACCEPTABLE | T2 -> T1 execution |
| 1, 0 | 138545 | ACCEPTABLE | T1 -> T2 execution |
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, .* | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| .*, -1 | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| 0, 1 | 62401 | ACCEPTABLE | T2 -> T1 execution |
| 1, 0 | 212469 | ACCEPTABLE | T1 -> T2 execution |
JVM options: [-server, -XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, .* | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| .*, -1 | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| 0, 1 | 173184 | ACCEPTABLE | T2 -> T1 execution |
| 1, 0 | 226046 | ACCEPTABLE | T1 -> T2 execution |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, .* | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| .*, -1 | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| 0, 1 | 96718 | ACCEPTABLE | T2 -> T1 execution |
| 1, 0 | 138202 | ACCEPTABLE | T1 -> T2 execution |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| -1, .* | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| .*, -1 | 0 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| 0, 1 | 6062 | ACCEPTABLE | T2 -> T1 execution |
| 1, 0 | 1978 | ACCEPTABLE | T1 -> T2 execution |