From: Balaji Rao <balajirrao@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: dhaval@linux.vnet.ibm.com, linux-kernel@vger.kernel.org,
containers@lists.osdl.org, menage@google.com, balbir@in.ibm.com,
vatsa@linux.vnet.ibm.com, a.p.zijlstra@chello.nl
Subject: Re: [RFC][-mm] Simple stats for cpu resource controller v3
Date: Sat, 3 May 2008 01:10:28 +0530 [thread overview]
Message-ID: <200805030110.29511.balajirrao@gmail.com> (raw)
In-Reply-To: <20080501140026.6188065e.akpm@linux-foundation.org>
On Friday 02 May 2008 02:30:26 am Andrew Morton wrote:
<snip>
Hi Andrew,
Thank you for the review.
>
> Did you consider using include/linux/percpu_counter.h?
>
> If so, what was wrong with it?
>
> Because it would be much better to fix per-cpu counters than to invent new
> stuff.
No, I hadn't consider using the percpu_counters infrastructure. But today when
I tried using it, I got an early exception.I guess its because I tried
calling percpu_counter_init from within sched_init, which I perhaps shouldn't
do, because percpu_counter_init expects cpu hotplug code to be initialized by
then. Right ? Correct me if I'm wrong.
How about we start collecting statistics at a later stage i.e, after
percpu_counter becomes usable ?
--
Warm Regards,
Balaji Rao
Dept. of Mechanical Engineering
NITK
next prev parent reply other threads:[~2008-05-02 19:40 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-05 18:09 [RFC][-mm] [1/2] Simple stats for cpu resource controller Balaji Rao
2008-04-05 18:56 ` Dhaval Giani
2008-04-05 19:09 ` Balaji Rao
2008-04-05 19:40 ` Dhaval Giani
2008-04-05 20:31 ` Balaji Rao
2008-04-05 20:59 ` Dhaval Giani
2008-04-05 21:21 ` Balaji Rao
2008-04-06 5:12 ` Balbir Singh
2008-04-07 13:24 ` Peter Zijlstra
2008-04-10 16:09 ` Balaji Rao
2008-04-10 16:25 ` Peter Zijlstra
2008-05-01 17:41 ` [RFC][-mm] Simple stats for cpu resource controller v3 Balaji Rao
2008-05-01 21:00 ` Andrew Morton
2008-05-02 19:40 ` Balaji Rao [this message]
2008-05-02 19:53 ` Andrew Morton
2008-05-02 22:47 ` Balaji Rao
2008-05-02 23:04 ` Andrew Morton
[not found] ` <200805030457.54073.balajirrao@gmail.com>
[not found] ` <20080502164133.9025a02c.akpm@linux-foundation.org>
2008-05-02 23:56 ` Balaji Rao
2008-05-03 0:19 ` Andrew Morton
2008-05-11 20:18 ` [RFC][-mm] Simple stats for cpu resource controller v4 Balaji Rao
2008-05-12 2:54 ` Li Zefan
2008-05-12 5:41 ` Balaji Rao
2008-05-12 23:48 ` Andrew Morton
2008-05-13 3:30 ` Balaji Rao
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