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| 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 |
|---|---|---|---|---|---|---|---|---|
| -1, 1 | 906695 | 693280 | 511310 | 343368 | 1124364 | 38069 | ACCEPTABLE | One of the thread had succeeded in acquiring the write lock, breaking another from acquiring another write lock. T1 conversion to read lock still prohibits T2 from acquiring the write lock. |
| 1, -1 | 556283 | 575018 | 558948 | 897820 | 727094 | 64119 | ACCEPTABLE | One of the thread had succeeded in acquiring the write lock, breaking another from acquiring another write lock. T1 conversion to read lock still prohibits T2 from acquiring the write lock. |
| OK | OK | OK | OK | OK | OK |