Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which exceed their local quota | KernelTrap

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which exceed their local quota

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From: KAMEZAWA Hiroyuki

Subject: Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which exceed their local quota

Date: Thursday, October 14, 2010 - 4:30 pm

On Thu, 14 Oct 2010 12:41:44 +0200
Peter Zijlstra <peterz@infradead.org> wrote:

quoted text> On Thu, 2010-10-14 at 03:25 -0700, Paul Turner wrote:
> > > "When vcpu holds spinlock in kernel, please don't sleep.." will be nice.
> > > Is there patch already ? 
> 
> Oh you're talking about the guest spinlock crap?

yes ;)

quoted text> I don't particularly care about that.. that's a virt problem you see ;-)

Hmm. AFAIK, all qemu's thread will be under a cgroup. So, I'll be happy if
a vcpu is on a loop to wait for spinlock yields immediately...But I'm not
famliar with this area, either. Thanks.

-Kame

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Messages in current thread:

[PATCH v3 0/7] CFS Bandwidth Control, Bharata B Rao, (Tue Oct 12, 12:49 am)

[PATCH v3 1/7] sched: introduce primitives to account for ..., Bharata B Rao, (Tue Oct 12, 12:50 am)

[PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Bharata B Rao, (Tue Oct 12, 12:51 am)

[PATCH v3 3/7] sched: throttle cfs_rq entities which excee ..., Bharata B Rao, (Tue Oct 12, 12:52 am)

[PATCH v3 4/7] sched: unthrottle cfs_rq(s) who ran out of ..., Bharata B Rao, (Tue Oct 12, 12:52 am)

[PATCH v3 5/7] sched: add exports tracking cfs bandwidth c ..., Bharata B Rao, (Tue Oct 12, 12:53 am)

[PATCH v3 6/7] sched: hierarchical task accounting for FAI ..., Bharata B Rao, (Tue Oct 12, 12:54 am)

[PATCH v3 7/7] sched: Return/expire slack quota using gene ..., Bharata B Rao, (Tue Oct 12, 12:55 am)

Re: [PATCH v3 0/7] CFS Bandwidth Control, KAMEZAWA Hiroyuki, (Tue Oct 12, 10:14 pm)

Re: [PATCH v3 0/7] CFS Bandwidth Control, Herbert Poetzl, (Tue Oct 12, 10:44 pm)

Re: [PATCH v3 0/7] CFS Bandwidth Control, Paul Turner, (Tue Oct 12, 11:26 pm)

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which e ..., KAMEZAWA Hiroyuki, (Tue Oct 12, 11:34 pm)

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which e ..., Paul Turner, (Tue Oct 12, 11:44 pm)

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which e ..., Bharata B Rao, (Tue Oct 12, 11:47 pm)

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which e ..., Paul Turner, (Tue Oct 12, 11:52 pm)

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which e ..., KAMEZAWA Hiroyuki, (Wed Oct 13, 12:00 am)

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which e ..., Paul Turner, (Wed Oct 13, 12:13 am)

Re: [PATCH v3 1/7] sched: introduce primitives to account ..., Balbir Singh, (Wed Oct 13, 6:00 am)

Re: [PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Balbir Singh, (Wed Oct 13, 6:30 am)

Re: [PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Nikhil Rao, (Wed Oct 13, 6:46 am)

Re: [PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Balbir Singh, (Wed Oct 13, 6:59 am)

Re: [PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Nikhil Rao, (Wed Oct 13, 7:41 am)

Re: [PATCH v3 1/7] sched: introduce primitives to account ..., Bharata B Rao, (Wed Oct 13, 10:14 pm)

Re: [PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Balbir Singh, (Wed Oct 13, 10:39 pm)

Re: [PATCH v3 1/7] sched: introduce primitives to account ..., Peter Zijlstra, (Thu Oct 14, 12:52 am)

Re: [PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Peter Zijlstra, (Thu Oct 14, 1:57 am)

Re: [PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Peter Zijlstra, (Thu Oct 14, 2:01 am)

Re: [PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Paul Turner, (Thu Oct 14, 2:07 am)

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which e ..., Peter Zijlstra, (Thu Oct 14, 2:12 am)

Re: [PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Peter Zijlstra, (Thu Oct 14, 2:13 am)

Re: [PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Paul Turner, (Thu Oct 14, 2:14 am)

Re: [PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Peter Zijlstra, (Thu Oct 14, 2:19 am)

Re: [PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Paul Turner, (Thu Oct 14, 2:27 am)

Re: [PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Peter Zijlstra, (Thu Oct 14, 2:27 am)

Re: [PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Bharata B Rao, (Thu Oct 14, 2:40 am)

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which e ..., KAMEZAWA Hiroyuki, (Thu Oct 14, 2:50 am)

Re: [PATCH v3 2/7] sched: accumulate per-cfs_rq cpu usage, Paul Turner, (Thu Oct 14, 2:53 am)

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which e ..., Paul Turner, (Thu Oct 14, 2:58 am)

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which e ..., Peter Zijlstra, (Thu Oct 14, 2:59 am)

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which e ..., KAMEZAWA Hiroyuki, (Thu Oct 14, 3:08 am)

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which e ..., Paul Turner, (Thu Oct 14, 3:25 am)

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which e ..., Peter Zijlstra, (Thu Oct 14, 3:37 am)

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which e ..., Peter Zijlstra, (Thu Oct 14, 3:41 am)

Re: [PATCH v3 1/7] sched: introduce primitives to account ..., Balbir Singh, (Thu Oct 14, 5:38 am)

Re: [PATCH v3 1/7] sched: introduce primitives to account ..., Peter Zijlstra, (Thu Oct 14, 6:24 am)

Re: [PATCH v3 3/7] sched: throttle cfs_rq entities which e ..., KAMEZAWA Hiroyuki, (Thu Oct 14, 4:30 pm)

Re: [PATCH v3 4/7] sched: unthrottle cfs_rq(s) who ran out ..., Balbir Singh, (Thu Oct 14, 9:45 pm)

Re: [PATCH v3 0/7] CFS Bandwidth Control, Lai Jiangshan, (Wed Nov 17, 1:32 am)

Re: [PATCH v3 0/7] CFS Bandwidth Control, Bharata B Rao, (Thu Nov 18, 8:24 pm)

Re: [PATCH v3 1/7] sched: introduce primitives to account ..., Bharata B Rao, (Mon Dec 6, 2:02 am)

Re: [PATCH v3 4/7] sched: unthrottle cfs_rq(s) who ran out ..., Bharata B Rao, (Tue Dec 7, 6:13 am)

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