Date: Thu, 31 Jan 2013 09:26:58 -0500 From: Gary Palmer <gpalmer@freebsd.org> To: Warren Block <wblock@wonkity.com> Cc: freebsd-arm@freebsd.org, Brett Wynkoop <wynkoop@wynn.com>, Ronald Klop <ronald-freebsd8@klop.yi.org> Subject: Re: disk wait mystery Message-ID: <20130131142658.GC74563@in-addr.com> In-Reply-To: <alpine.BSF.2.00.1301310659490.47495@wonkity.com> References: <20130130001849.7669e033@ivory.lan> <op.wrpw4bjv8527sy@ronaldradial.versatec.local> <20130130053729.0c9e018f@ivory.lan> <op.wrp0w4yu8527sy@ronaldradial.versatec.local> <20130130110529.5c5df516@ivory.lan> <8EF6F73D-05AF-4E04-968B-84F35CD0FD85@ugh.net.au> <alpine.BSF.2.00.1301310659490.47495@wonkity.com>
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On Thu, Jan 31, 2013 at 07:12:44AM -0700, Warren Block wrote:
> On Wed, 30 Jan 2013, Andrew wrote:
>
> > On 30 Jan 2013, at 17:05, Brett Wynkoop wrote:
> >
> >> I appreciate the education on this point! I wonder if this should be
> >> considered a man page bug?
> >
> > The man page does say "(or other short term, uninterruptible) wait". I
> > don't know what sort of wait the kernel threads may or may not be in
> > but if they are in one, and its short-term then the man page is
> > correct. Maybe an FAQ entry though.
>
> If the man page is misleading or incomplete, it should be fixed. Based
> on the source, the mention of disk at the start is misleading. Maybe:
>
> D Marks a process in short term, uninterruptible wait.
>
> Or
>
> D Marks a process in short term, uninterruptible wait (typically,
> disk wait).
>
> Which explains the "D" but may reintroduce the confusion.
D Marks a process in short term, uninterruptible wait (In non-kernel
processes, this is typically waiting on disk I/O)
?
Gary
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