threadpool: skip polling for unused threads #15326
| Job | Run time |
|---|---|
| 2m 45s | |
| 11m 39s | |
| 13m 16s | |
| 2m 0s | |
| 2m 0s | |
| 15m 4s | |
| 2m 44s | |
| 11m 43s | |
| 18m 4s | |
| 6m 59s | |
| 10m 11s | |
| 10m 18s | |
| 7m 9s | |
| 3m 3s | |
| 3m 51s | |
| 3m 7s | |
| 2m 54s | |
| 2m 30s | |
| 3m 25s | |
| 9m 56s | |
| 3m 24s | |
| 9m 9s | |
| 47m 17s | |
| 7m 0s | |
| 18m 51s | |
| 9m 34s | |
| 49m 52s | |
| 5m 33s | |
| 10m 23s | |
| 2m 48s | |
| 12m 0s | |
| 8m 52s | |
| 13m 18s | |
| 2m 39s | |
| 10m 22s | |
| 9m 28s | |
| 9m 3s | |
| 3m 20s | |
| 2m 27s | |
| 16m 3s | |
| 0s | |
| 6h 34m 1s |