Xunlei Pang writes:
> When period gets restarted after some idle time, start_cfs_bandwidth()
> doesn't update the expiration information, expire_cfs_rq_runtime() will
> see cfs_rq->runtime_expires smaller than rq clock and go to the clock
> drift logic, wasting needless cpu cycles on the schedule
When period gets restarted after some idle time, start_cfs_bandwidth()
doesn't update the expiration information, expire_cfs_rq_runtime() will
see cfs_rq->runtime_expires smaller than rq clock and go to the clock
drift logic, wasting needless cpu cycles on the scheduler hot path.
Update the global
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