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| java.specification.name | Java Platform API Specification |
| java.specification.vendor | Oracle Corporation |
| java.specification.version | 15 |
| java.vendor | N/A |
| java.version | 15-internal |
| java.vm.name | OpenJDK 64-Bit Server VM |
| java.vm.vendor | Oracle Corporation |
| java.vm.version | 15-internal+0-adhoc.buildslave.jdkX |
| os.arch | aarch64 |
| os.name | Linux |
| os.version | 4.16.0-290-arm64 |
| TC 1 | JVM options: [-XX:-TieredCompilation] Iterations: 1 Time: 10 Stride: [8, 8] (capped by TIME) |
| TC 2 | JVM options: [-XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 1 Time: 10 Stride: [10, 2048] (capped by TIME) |
| TC 3 | JVM options: [-XX:TieredStopAtLevel=1] Iterations: 1 Time: 10 Stride: [10, 1024] (capped by TIME) |
| TC 4 | JVM options: [-Xint] Iterations: 1 Time: 10 Stride: [10, 128] (capped by TIME) |
| Observed state | TC 1 | TC 2 | TC 3 | TC 4 | Expectation | Interpretation |
|---|---|---|---|---|---|---|
| -1, 1 | 0 | 2 | 1 | 1 | 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 optimistic. |
| 1, -1 | 0 | 2 | 0 | 0 | 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 optimistic. |
| 1, 1 | 183 | 53245 | 34816 | 4608 | ACCEPTABLE | Both threads have acquired the write lock, and were quick enough to convert them to the optimistic. |
| OK | OK | OK | OK |