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Date: Wed, 28 Feb 2007 20:16:24 -0500
From: "Albert Cahalan" <acahalan@gmail.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Subject: Re: PID entries in /proc sorted by number, not start time in 2.6.19
Cc: "Chuck Ebbert" <cebbert@redhat.com>,
       linux-kernel <linux-kernel@vger.kernel.org>
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On 2/28/07, Eric W. Biederman <ebiederm@xmission.com> wrote:
> Chuck Ebbert <cebbert@redhat.com> writes:
>
> > Starting with kernel 2.6.19, the process directories in
> > /proc are sorted by number. They were sorted by process
> > start time in 2.6.18 and earlier. This makes the output
> > of procps come out in that order too, pissing off users
> > who are used to the old way.

ps --sort=start_time

I've always just assumed the order to be random.