Re: [PATCH 2/2] sched: Improve fairness of cpu allocation for task groups

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From: Ingo Molnar

Subject: Re: [PATCH 2/2] sched: Improve fairness of cpu allocation for task groups

Date: Monday, November 19, 2007 - 8:22 am

* Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com> wrote:

quoted text> - inc/dec_load() takes a load input instead of task pointer input as their
>   2nd arg
> - inc/dec_nr_running don't call inc/dec_load. Instead,
> - enqueue/dequeue_task class callbacks call inc/dec_load
> - [Unintended/will-fix change] min/max tunables added in
>   /proc/sys/kernel
> 
> All of above changes (except last, which I will fix) should have zero 
> functional+runtime effect for !CONFIG_FAIR_GROUP_SCHED case. So I 
> don't see how I can split Patch 2/2 further.

ok, as long as it's NOP for the CONFIG_FAIR_GROUP_SCHED, we could try 
it.

	Ingo
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Messages in current thread:

[PATCH 0/2] sched: Group scheduler related patches, Srivatsa Vaddagiri, (Mon Nov 19, 5:27 am)

[PATCH 1/2] sched: Minor cleanups, Srivatsa Vaddagiri, (Mon Nov 19, 5:28 am)

[PATCH 2/2] sched: Improve fairness of cpu allocation for ..., Srivatsa Vaddagiri, (Mon Nov 19, 5:30 am)

Re: [PATCH 1/2] sched: Minor cleanups, Ingo Molnar, (Mon Nov 19, 6:08 am)

Re: [PATCH 1/2] sched: Minor cleanups, Srivatsa Vaddagiri, (Mon Nov 19, 8:01 am)

Re: [PATCH 2/2] sched: Improve fairness of cpu allocation ..., Srivatsa Vaddagiri, (Mon Nov 19, 8:03 am)

Re: [PATCH 2/2] sched: Improve fairness of cpu allocation ..., Ingo Molnar, (Mon Nov 19, 8:22 am)

Re: [PATCH 2/2] sched: Improve fairness of cpu allocation ..., Srivatsa Vaddagiri, (Mon Nov 19, 9:06 am)

Re: [PATCH 2/2] sched: Improve fairness of cpu allocation ..., Ingo Molnar, (Mon Nov 19, 12:00 pm)

[PATCH 0/4] sched: group scheduler related patches (V3), Srivatsa Vaddagiri, (Sun Nov 25, 10:00 pm)

[PATCH 1/4] sched: code cleanup, Srivatsa Vaddagiri, (Sun Nov 25, 10:02 pm)

[PATCH 2/4] sched: minor fixes for group scheduler, Srivatsa Vaddagiri, (Sun Nov 25, 10:03 pm)

[Patch 3/4 v1] sched: change how cpu load is calculated, Srivatsa Vaddagiri, (Sun Nov 25, 10:05 pm)

[Patch 3/4 v2] sched: change how cpu load is calculated, Srivatsa Vaddagiri, (Sun Nov 25, 10:06 pm)

[Patch 4/4] sched: Improve fairness of cpu bandwidth alloc ..., Srivatsa Vaddagiri, (Sun Nov 25, 10:09 pm)

Re: [Patch 4/4] sched: Improve fairness of cpu bandwidth a ..., Ingo Molnar, (Mon Nov 26, 1:28 pm)

Re: [Patch 4/4] sched: Improve fairness of cpu bandwidth a ..., Ingo Molnar, (Mon Nov 26, 1:29 pm)

[Patch 0/5] sched: group scheduler related patches (V4), Srivatsa Vaddagiri, (Mon Nov 26, 10:06 pm)

[Patch 1/5] sched: code cleanup, Srivatsa Vaddagiri, (Mon Nov 26, 10:08 pm)

[Patch 3/5 v1] sched: change how cpu load is calculated, Srivatsa Vaddagiri, (Mon Nov 26, 10:11 pm)

[Patch 3/5 v2] sched: change how cpu load is calculated, Srivatsa Vaddagiri, (Mon Nov 26, 10:12 pm)

[Patch 4/5] sched: introduce a mutex and corresponding API ..., Srivatsa Vaddagiri, (Mon Nov 26, 10:21 pm)

[Patch 5/5] sched: Improve fairness of cpu bandwidth alloc ..., Srivatsa Vaddagiri, (Mon Nov 26, 10:27 pm)

Re: [Patch 0/5] sched: group scheduler related patches (V4), Ingo Molnar, (Tue Nov 27, 4:09 am)

Re: [Patch 0/5] sched: group scheduler related patches (V4), Srivatsa Vaddagiri, (Tue Nov 27, 4:42 am)

Re: [Patch 0/5] sched: group scheduler related patches (V4), Ingo Molnar, (Tue Nov 27, 5:53 am)

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