linux-kernel - Re: [resend PATCH for 3.2] procfs: do not confuse jiffies with cputime64

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Message-Id: <20111221161944.ec1c49f9.akpm@linux-foundation.org>
Date:	Wed, 21 Dec 2011 16:19:44 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Andreas Schwab <schwab@...ux-m68k.org>
Cc:	Michal Hocko <mhocko@...e.cz>, Arnd Bergmann <arnd@...db.de>,
	linux-kernel@...r.kernel.org,
	"Artem S. Tashkinov" <t.artem@...lcity.com>,
	Dave Jones <davej@...hat.com>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Martin Schwidefsky <schwidefsky@...ibm.com>
Subject: Re: [resend PATCH for 3.2] procfs: do not confuse jiffies with
 cputime64_t

On Thu, 22 Dec 2011 01:14:39 +0100
Andreas Schwab <schwab@...ux-m68k.org> wrote:

> > a) what effect does this problem have upon users of the kernel?
> 
> get_idle_time returns the value in the wrong unit.

So the "idle" fields in /proc/stat are wrong.

We're getting there!  Now, in what way are they wrong?  How could a
kernel maintainer recognise that this patch is needed?

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