Tests the mutual exclusion
| java.specification.name | Java Platform API Specification |
| java.specification.vendor | Oracle Corporation |
| java.specification.version | 10 |
| java.vendor | Oracle Corporation |
| java.version | 10-internal |
| java.vm.name | OpenJDK 64-Bit Server VM |
| java.vm.vendor | Oracle Corporation |
| java.vm.version | 10-internal+0-adhoc.buildslave.jdk10 |
| os.arch | aarch64 |
| os.name | Linux |
| os.version | 4.4.0-63-generic |
| TC 1 | JVM options: [] Iterations: 5 Time: 200 |
| TC 2 | JVM options: [-XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200 |
| TC 3 | JVM options: [-XX:-TieredCompilation] Iterations: 5 Time: 200 |
| TC 4 | JVM options: [-XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200 |
| TC 5 | JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200 |
| TC 6 | JVM options: [-Xint] Iterations: 5 Time: 200 |
| Observed state | TC 1 | TC 2 | TC 3 | TC 4 | TC 5 | TC 6 | Expectation | Interpretation |
|---|---|---|---|---|---|---|---|---|
| 0, 1 | 101399 | 394666 | 359181 | 503971 | 638325 | 17013 | ACCEPTABLE | T2 -> T1 execution |
| 1, -1 | 176250 | 1147440 | 770353 | 751325 | 393605 | 5319 | ACCEPTABLE | One of the threads fails to acquire the lock. Other thread had succeeded. |
| 1, 0 | 36769 | 50202 | 54724 | 56932 | 120208 | 33126 | ACCEPTABLE | T1 -> T2 execution |
| OK | OK | OK | OK | OK | OK |