Add a microbenchmark for fstat. (#836)
#3241
| Job | Run time |
|---|---|
| 29s | |
| 18s | |
| 5m 50s | |
| 1m 19s | |
| 1m 2s | |
| 1m 52s | |
| 1m 33s | |
| 1m 16s | |
| 1m 31s | |
| 1m 26s | |
| 2m 6s | |
| 1m 37s | |
| 9m 10s | |
| 1m 38s | |
| 9m 29s | |
| 1m 35s | |
| 2m 11s | |
| 15m 12s | |
| 2m 4s | |
| 2m 2s | |
| 1m 54s | |
| 2m 11s | |
| 1m 6s | |
| 4m 2s | |
| 1m 32s | |
| 1m 50s | |
| 1m 39s | |
| 2m 16s | |
| 2m 13s | |
| 2m 9s | |
| 4m 2s | |
| 4m 23s | |
| 4m 28s | |
| 4m 45s | |
| 4m 30s | |
| 4m 29s | |
| 4m 32s | |
| 1m 35s | |
| 1m 32s | |
| 1m 22s | |
| 1m 17s | |
| 2h 1m 27s |