Subject: Re: [RFC] [PATCH procfs] Add process age
From: Davidlohr Bueso <dave@gnu.org>
Reply-To: dave@gnu.org
To: =?ISO-8859-1?Q?Am=E9rico?= Wang <xiyou.wangcong@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>, Alexey Dobriyan <adobriyan@gmail.com>,
        torvalds@linux-foundation.org, linux-kernel@vger.kernel.org,
        linux-fsdevel@vger.kernel.org
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Date: Fri, 30 Jul 2010 10:58:27 -0400
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On Wed, 2010-07-28 at 14:56 +0800, Américo Wang wrote:
> On Mon, Jul 26, 2010 at 11:10:29AM -0400, Davidlohr Bueso wrote:
> >On Mon, 2010-07-26 at 16:48 +0200, Andi Kleen wrote:
> >> > True, but there are also many other no-so-useful files under /proc that
> >> > can also be replaced by userspace apps.
> >> 
> >> Example? 
> >
> >Off the top of my head:
> >
> >/proc/cmdline
> 
> Are you kidding?
> 
> /proc/cmdlines contains lots of info, it is not only used by the kernel,
> but also used by initramfs (this depends on your distribution).
> 
Silly me, I meant /proc/#/cmdline, in the sense that you can get the
command name from the PID in userland.

Davidlohr


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