From: Victor Yodaiken <yodaiken@fsmlabs.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: bert hubert <ahu@ds9a.nl>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Alan Cox quote? (was: Re: accounting for threads)
Date: Wed, 20 Jun 2001 13:05:10 -0600 [thread overview]
Message-ID: <20010620130510.A31012@hq2> (raw)
In-Reply-To: <E15CR1f-0006Wh-00@the-village.bc.nu>
On Tue, Jun 19, 2001 at 08:18:59PM +0100, Alan Cox wrote:
> There I disagree. Threads introduce parallelism that the majority of user
> space programmers have trouble getting right (not that C is helpful here).
I think it depends on the application. In the RT space the concept
Do this every millisecond starting now
Do this every 500 us starting in 30 microseconds
is pretty clear and simple.
> A threaded program has a set of extremely complex hard to repeat timing based
> behaviour dependancies. An unthreaded app almost always does the same thing on
> the same input. From a verification and coverage point of view that is
> incredibly important.
Depends on the design. I'm sure you've seen some impressively obscure examples of the
"do everything in an event loop" style of programming that is common in embedded.
To me this is like the arguments people used to have over recursion and the answer is
the same:
Bad programmers can make any programming construct worse
next prev parent reply other threads:[~2001-06-20 19:08 UTC|newest]
Thread overview: 156+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-19 14:53 accounting for threads Dan Kegel
2001-06-19 14:57 ` J . A . Magallon
2001-06-19 15:44 ` ognen
2001-06-19 15:58 ` Alan Cox quote? (was: Re: accounting for threads) Dan Kegel
2001-06-19 16:02 ` David S. Miller
2001-06-19 16:12 ` Padraig Brady
2001-06-19 19:10 ` bert hubert
2001-06-19 19:18 ` Alan Cox
2001-06-19 19:32 ` bert hubert
2001-06-19 19:43 ` Alexander Viro
2001-06-20 15:22 ` Jes Sorensen
2001-06-20 15:33 ` Alexander Viro
2001-06-20 15:59 ` Threads are processes that share more bert hubert
2001-06-20 16:15 ` Alexander Viro
2001-06-20 18:48 ` Martin Devera
2001-06-20 19:19 ` Unknown PCI Net Device Greg Ingram
2001-06-20 22:53 ` Andreas Dilger
2001-06-20 22:56 ` Jeff Garzik
2001-06-20 23:00 ` Alan Cox
2001-06-20 22:08 ` Threads are processes that share more Stephen Satchell
2001-06-20 22:14 ` ognen
2001-06-20 23:10 ` J . A . Magallon
2001-06-24 23:47 ` Larry McVoy
2001-06-25 2:23 ` David S. Miller
2001-06-20 16:39 ` Alan Cox quote? (was: Re: accounting for threads) george anzinger
2001-06-20 18:35 ` Alexander Viro
2001-06-21 4:11 ` Rusty Russell
2001-06-21 23:37 ` Alexander Viro
2001-06-21 23:55 ` Alexander Viro
2001-06-22 14:53 ` Richard Gooch
2001-06-20 16:40 ` Jes Sorensen
2001-06-20 20:09 ` Rob Landley
2001-06-20 19:05 ` Victor Yodaiken [this message]
2001-06-20 14:35 ` Mike Porter
2001-06-20 11:56 ` Rob Landley
2001-06-19 16:02 ` Ben Pfaff
2001-06-19 16:09 ` Larry McVoy
2001-06-19 16:26 ` Matthew Kirkwood
2001-06-19 16:52 ` Larry McVoy
2001-06-19 18:18 ` Rob Landley
2001-06-19 23:31 ` Timur Tabi
2001-06-20 11:52 ` Rob Landley
2001-06-20 21:20 ` Albert D. Cahalan
2001-06-20 18:12 ` Rob Landley
2001-06-20 23:28 ` Dan Podeanu
2001-06-21 0:42 ` D. Stimits
2001-06-20 20:18 ` Rob Landley
2001-06-21 1:57 ` D. Stimits
2001-06-21 14:46 ` Idea: Patches-from-linus mailing list? (Was Re: Alan Cox quote? (was: Re: accounting for threads)) Rob Landley
2001-06-21 14:02 ` Alan Cox quote? (was: Re: accounting for threads) Jesse Pollard
2001-06-21 14:18 ` Rob Landley
2001-06-22 14:46 ` Mikulas Patocka
2001-06-22 13:29 ` Rob Landley
2001-06-24 21:41 ` J . A . Magallon
2001-06-24 16:55 ` Rob Landley
2001-06-24 22:30 ` J . A . Magallon
2001-06-24 18:21 ` Rob Landley
2001-06-25 13:48 ` J . A . Magallon
2001-06-24 22:39 ` Steven Walter
2001-06-24 23:50 ` Larry McVoy
2001-06-24 20:24 ` Rob Landley
2001-06-25 0:05 ` J . A . Magallon
2001-06-25 0:32 ` Gerhard Mack
2001-06-25 0:59 ` Davide Libenzi
2001-06-25 2:18 ` Galen Hancock
2001-06-20 14:59 ` Matthias Urlichs
2001-06-20 19:14 ` Victor Yodaiken
2001-06-20 21:01 ` RE:Why use threads ( was: Alan Cox quote?) David Schwartz
2001-06-20 21:26 ` Why " Victor Yodaiken
2001-06-20 22:18 ` David Schwartz
2001-06-20 22:41 ` Davide Libenzi
2001-06-20 22:47 ` [OT] " Jeff Garzik
2001-06-21 0:21 ` David Schwartz
2001-06-21 0:56 ` Davide Libenzi
2001-06-21 1:32 ` David Schwartz
2001-06-21 2:22 ` Davide Libenzi
2001-06-21 2:43 ` David Schwartz
2001-06-21 16:10 ` Davide Libenzi
2001-06-21 19:55 ` Marco Colombo
2001-06-20 22:43 ` Mike Castle
2001-06-21 1:43 ` David Schwartz
2001-06-19 17:10 ` Alan Cox quote? (was: Re: accounting for threads) Matti Aarnio
2001-06-19 17:20 ` Mike Castle
2001-06-19 17:37 ` Larry McVoy
2001-06-19 17:45 ` Mike Castle
2001-06-19 18:08 ` Georg Nikodym
2001-06-19 19:38 ` Georg Nikodym
2001-06-19 19:56 ` Michael Meissner
2001-06-19 17:53 ` Steve Underwood
2001-06-19 19:01 ` Alan Cox
2001-06-20 2:57 ` Michael Rothwell
2001-06-20 3:04 ` Larry McVoy
2001-06-20 3:38 ` John R Lenton
2001-06-20 10:21 ` john slee
2001-06-20 18:08 ` Larry McVoy
2001-06-20 16:21 ` Davide Libenzi
2001-06-20 9:14 ` Alan Cox
2001-06-22 2:36 ` Michael Rothwell
2001-06-19 17:36 ` Jonathan Lundell
2001-06-19 17:41 ` Larry McVoy
2001-06-19 20:57 ` David S. Miller
2001-06-19 21:11 ` Jonathan Lundell
2001-06-19 21:15 ` David S. Miller
2001-06-19 23:56 ` Jonathan Lundell
2001-06-20 0:19 ` Mike Castle
2001-06-20 0:28 ` Larry McVoy
2001-06-20 1:30 ` Ben Greear
2001-06-20 2:14 ` Mike Castle
2001-06-20 9:00 ` Henning P. Schmiedehausen
2001-06-20 11:25 ` [OT] Threads, inelegance, and Java Aaron Lehmann
2001-06-20 11:25 ` Rob Landley
2001-06-20 17:36 ` Martin Dalecki
2001-06-20 19:27 ` Mike Harrold
2001-06-20 17:46 ` Rob Landley
2001-06-20 19:53 ` Martin Dalecki
2001-06-20 17:53 ` Rob Landley
2001-06-21 7:45 ` Albert D. Cahalan
[not found] ` <mailman.993067219.29993.linux-kernel2news@redhat.com>
2001-06-20 20:16 ` Pete Zaitcev
2001-06-20 22:05 ` Alan Cox
[not found] ` <20010621000725.A24672@werewolf.able.es>
2001-06-20 19:15 ` Rob Landley
2001-06-21 9:40 ` Jonathan Morton
[not found] ` <mailman.993083762.1429.linux-kernel2news@redhat.com>
2001-06-21 3:13 ` Pete Zaitcev
2001-06-21 13:59 ` Rob Landley
2001-06-21 16:48 ` Adam Sampson
2001-06-20 15:12 ` Ben Greear
2001-06-20 15:44 ` Russell Leighton
2001-06-20 16:32 ` Davide Libenzi
2001-06-20 16:54 ` Russell Leighton
2001-06-20 17:03 ` Tony Hoyle
2001-06-20 15:10 ` Rob Landley
2001-06-20 20:23 ` Tony Hoyle
2001-06-21 8:12 ` Henning P. Schmiedehausen
2001-06-20 20:40 ` Richard B. Johnson
2001-06-20 20:48 ` Tony Hoyle
2001-06-20 21:00 ` Daniel Phillips
2001-06-20 21:06 ` Richard B. Johnson
2001-06-20 18:14 ` Henning P. Schmiedehausen
2001-06-20 16:53 ` Larry McVoy
2001-06-20 12:36 ` Rob Landley
2001-06-20 21:14 ` Aaron Lehmann
2001-06-20 18:09 ` Henning P. Schmiedehausen
2001-06-20 19:05 ` William T Wilson
2001-06-20 0:04 ` Alan Cox quote? (was: Re: accounting for threads) Chris Ricker
2001-06-20 0:59 ` Robert Love
2001-06-19 18:01 ` Alan Cox quote? Kai Henningsen
2001-06-19 18:49 ` Larry McVoy
2001-06-19 21:12 ` Richard Gooch
2001-06-19 22:50 ` Henning P. Schmiedehausen
2001-06-19 20:12 ` Henning P. Schmiedehausen
-- strict thread matches above, loose matches on Subject: below --
2001-06-19 19:48 Alan Cox quote? (was: Re: accounting for threads) Joerg Pommnitz
2001-06-19 19:59 ` Alexander Viro
2001-06-20 19:36 Rok Papež
2001-06-20 20:16 ` Cort Dougan
2001-06-22 5:19 Chester Lott
[not found] <Pine.GSO.4.21.0106211931180.209-100000@weyl.math.psu.edu.suse.lists.linux.kernel>
2001-06-22 7:33 ` Andi Kleen
2001-06-30 9:16 Jan Hudec
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