linux-kernel - Re: [PATCH] change cpuacct usage percpu format v2

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Message-ID: <6599ad830902262355i1a5d4040p53ad2274f783b5c0@mail.gmail.com>
Date:	Thu, 26 Feb 2009 23:55:06 -0800
From:	Paul Menage <menage@...gle.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	kenchen@...gle.com, "lizf@...fujitsu.com" <lizf@...fujitsu.com>,
	"balbir@...ux.vnet.ibm.com" <balbir@...ux.vnet.ibm.com>,
	mingo@...e.hu,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>
Subject: Re: [PATCH] change cpuacct usage percpu format v2

On Thu, Feb 26, 2009 at 11:29 PM, KAMEZAWA Hiroyuki
<kamezawa.hiroyu@...fujitsu.com> wrote:
>
> IIRC, there is physical cpu hotplug system and it can remove
> cpus and change map. Considering a software which records
> this information pediodically(like sar), its better to show id of cpu
> in explict way.

Can we just use the read_map() handler for this instead?

Paul
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