Re: [PATCH v2 0/5] Defer throttle when task exits to user

Aaron Lu
2025-07-01T08:31:44Z

Hello,

On Wed, Jun 18, 2025 at 04:19:35PM +0800, Aaron Lu wrote:
> v2:
> - Re-org the patchset to use a single patch to implement throttle
> related changes, suggested by Chengming;
> - Use check_cfs_rq_runtime()'s return value in pick_task_fair() to
> decide if throttle task work is needed instead of checking
> throttled_hierarchy(), suggested by Peter;
> - Simplify throttle_count check in tg_throtthe_down() and
> tg_unthrottle_up(), suggested by Peter;
> - Add enqueue_throttled_task() to speed up enqueuing a throttled task to
> a throttled cfs_rq, suggested by Peter;
> - Address the missing of detach_task_cfs_rq() for throttled tasks that
> get migrated to a new rq, pointed out by Chengming;
> - Remove cond_resched_tasks_rcu_qs() in throttle_cfs_rq_work() as
> cond_resched*() is going away, pointed out by Peter.
> I hope I didn't miss any comments and suggestions for v1 and if I do,
> please kindly let me know, thanks!
>
> Base: tip/sched/core commit dabe1be4e84c("sched/smp: Use the SMP version
> of double_rq_clock_clear_update()")

I wonder is there any more comments about this series?
Is it going in the right direction?

Thanks.