From: KUROSAWA Takahiro <kurosawa@valinux.co.jp>
To: Hirokazu Takahashi <taka@valinux.co.jp>
Cc: nickpiggin@yahoo.com.au, pj@sgi.com, magnus.damm@gmail.com,
dino@in.ibm.com, linux-kernel@vger.kernel.org,
ckrm-tech@lists.sourceforge.net
Subject: Re: [PATCH 1/3] CPUMETER: add cpumeter framework to the CPUSETS
Date: Wed, 28 Sep 2005 19:32:40 +0900 [thread overview]
Message-ID: <20050928103240.A579770043@sv1.valinux.co.jp> (raw)
In-Reply-To: <20050928.190822.105167368.taka@valinux.co.jp>
On Wed, 28 Sep 2005 19:08:22 +0900 (JST)
Hirokazu Takahashi <taka@valinux.co.jp> wrote:
> > - The controller only controls the time_slice value and doesn't
> > care the balance of cpus (the controller leaves balancing to
> > the existing balancing code in the scheduler). So far I don't
> > have any good idea to solve this.
> Is there any problem to enhance load_balance()? Applying some weight
> to each process, it would be used for calculating load of each runqueue.
Probably we can solve this issue by applying some weight to each tasks
and calculating the load of runqueues based on that weight.
But I can not get to the implementation out of your idea so far.
> > - The controller holds a spinlock once per 1 second. I don't
> > know this is permissive or not, but the current scheduler
> > doesn't hold any spinlocks normally, so...
> I think each runqueue has its own spinlock, which is held quite often.
Ah, thanks for pointing out my mistake. Maybe I confused that with
something else.
Then it should be more permissive than I had thought, at least :)
--
KUROSAWA, Takahiro
next prev parent reply other threads:[~2005-09-28 10:32 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-08 5:39 [PATCH 0/5] SUBCPUSETS: a resource control functionality using CPUSETS KUROSAWA Takahiro
2005-09-08 7:23 ` Paul Jackson
2005-09-08 8:18 ` KUROSAWA Takahiro
2005-09-08 12:02 ` Paul Jackson
2005-09-09 1:38 ` KUROSAWA Takahiro
2005-09-09 4:12 ` Magnus Damm
2005-09-09 5:55 ` Paul Jackson
2005-09-09 7:52 ` Magnus Damm
2005-09-09 8:39 ` Paul Jackson
2005-09-09 11:38 ` Hirokazu Takahashi
2005-09-09 13:31 ` Paul Jackson
2005-09-10 7:11 ` Hirokazu Takahashi
2005-09-10 8:52 ` Paul Jackson
2005-09-11 16:02 ` Hirokazu Takahashi
2005-09-26 9:33 ` [PATCH 0/3] CPUMETER (Re: [PATCH 0/5] SUBCPUSETS: a resource control functionality using CPUSETS) KUROSAWA Takahiro
2005-10-02 4:20 ` Paul Jackson
2005-10-04 2:49 ` KUROSAWA Takahiro
2005-09-26 9:34 ` [PATCH 1/3] CPUMETER: add cpumeter framework to the CPUSETS KUROSAWA Takahiro
2005-09-27 8:37 ` Paul Jackson
2005-09-27 9:22 ` Nick Piggin
2005-09-27 15:53 ` [ckrm-tech] " Paul Jackson
2005-09-27 21:45 ` Chandra Seetharaman
2005-09-28 6:35 ` KUROSAWA Takahiro
2005-09-28 10:08 ` Hirokazu Takahashi
2005-09-28 10:32 ` KUROSAWA Takahiro [this message]
2005-09-27 11:39 ` KUROSAWA Takahiro
2005-09-27 15:49 ` [ckrm-tech] " Paul Jackson
2005-09-28 6:21 ` KUROSAWA Takahiro
2005-09-28 6:43 ` Paul Jackson
2005-09-28 7:08 ` Paul Jackson
2005-09-28 7:53 ` KUROSAWA Takahiro
2005-09-28 16:49 ` Paul Jackson
2005-09-29 2:53 ` KUROSAWA Takahiro
2005-09-29 2:58 ` Paul Jackson
2005-09-30 9:39 ` Simon Derr
2005-09-30 14:21 ` Paul Jackson
2005-10-02 7:01 ` Ok to change cpuset flags for sched domains? (was [PATCH 1/3] CPUMETER ...) Paul Jackson
2005-10-03 14:00 ` Dinakar Guniguntala
2005-10-03 23:36 ` [ckrm-tech] " Paul Jackson
2005-09-28 9:25 ` [PATCH][BUG] fix memory leak on reading cpuset files after seeking beyond eof KUROSAWA Takahiro
2005-09-28 13:42 ` Paul Jackson
2005-09-28 13:42 ` [PATCH] cpuset read past eof memory leak fix Paul Jackson
2005-09-28 15:01 ` Linus Torvalds
2005-09-28 17:53 ` Paul Jackson
2005-09-28 18:03 ` Linus Torvalds
2005-09-28 18:03 ` Randy.Dunlap
2005-09-28 19:04 ` [ckrm-tech] " Paul Jackson
2005-09-28 14:29 ` [PATCH 1/3] CPUMETER: add cpumeter framework to the CPUSETS Paul Jackson
2005-09-26 9:34 ` [PATCH 2/3] CPUMETER: CPU resource controller KUROSAWA Takahiro
2005-09-26 9:34 ` [PATCH 3/3] CPUMETER: connect the CPU resource controller to CPUMETER KUROSAWA Takahiro
2005-09-09 22:26 ` [PATCH 0/5] SUBCPUSETS: a resource control functionality using CPUSETS Matthew Helsley
2005-09-08 13:14 ` Dinakar Guniguntala
2005-09-08 14:11 ` Dipankar Sarma
2005-09-08 14:55 ` Paul Jackson
2005-09-08 14:59 ` Paul Jackson
2005-09-08 22:51 ` [ckrm-tech] " Chandra Seetharaman
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