tracing: add some more startup related events and a new --profile-until-event flag
#4070
| Job | Run time |
|---|---|
| 8m 33s | |
| 4m 3s | |
| 5m 32s | |
| 7m 59s | |
| 6m 56s | |
| 33m 3s |
--profile-until-event flag
#4070
| Job | Run time |
|---|---|
| 8m 33s | |
| 4m 3s | |
| 5m 32s | |
| 7m 59s | |
| 6m 56s | |
| 33m 3s |