From: "David S. Miller" <davem@redhat.com>
To: Robert Love <rml@ximian.com>
Cc: cw@f00f.org, arjanv@redhat.com, torvalds@osdl.org,
russ@elegant-software.com, linux-kernel@vger.kernel.org
Subject: Re: clone() <-> getpid() bug in 2.6?
Date: Sat, 5 Jun 2004 15:57:09 -0700 [thread overview]
Message-ID: <20040605155709.10fd917d.davem@redhat.com> (raw)
In-Reply-To: <1086475663.7940.50.camel@localhost>
On Sat, 05 Jun 2004 18:47:43 -0400
Robert Love <rml@ximian.com> wrote:
> It is almost certainly done to improve the speed of some stupid
> microbenchmark - say, one that just calls getpid() repeatedly (simple
> because it is NOT slow) to measure system call overhead.
Luckily lmbench and friends use getppid() specifically because it
is impossible to cache that (as far as I can tell).
next prev parent reply other threads:[~2004-06-05 22:59 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-05 15:28 clone() <-> getpid() bug in 2.6? Russell Leighton
2004-06-05 20:45 ` Linus Torvalds
2004-06-05 20:55 ` Arjan van de Ven
2004-06-05 21:13 ` Linus Torvalds
2004-06-05 21:48 ` Robert Love
2004-06-05 22:44 ` Linus Torvalds
2004-06-05 21:53 ` Chris Wedgwood
2004-06-05 22:47 ` Robert Love
2004-06-05 22:57 ` David S. Miller [this message]
2004-06-05 23:01 ` Linus Torvalds
2004-06-05 23:07 ` Davide Libenzi
2004-06-05 23:18 ` Linus Torvalds
2004-06-05 23:26 ` Davide Libenzi
2004-06-06 5:08 ` Kalin KOZHUHAROV
2004-06-06 5:13 ` Chris Wedgwood
2004-06-06 5:34 ` Kalin KOZHUHAROV
2004-06-06 6:07 ` Linus Torvalds
2004-06-06 6:43 ` Kalin KOZHUHAROV
2004-06-06 7:57 ` Erik Andersen
2004-06-06 16:57 ` Linus Torvalds
2004-06-06 18:53 ` Simon Kirby
2004-06-06 19:00 ` Linus Torvalds
2004-06-06 9:52 ` Bernd Eckenfels
2004-06-06 13:07 ` Paul Rolland
2004-06-06 17:20 ` Patrick J. LoPresti
2004-06-06 17:31 ` Paul Rolland
2004-06-06 17:43 ` Davide Libenzi
2004-06-06 18:17 ` Rik van Riel
2004-06-06 18:37 ` Patrick J. LoPresti
2004-06-06 16:33 ` chris
[not found] ` <200406062022.54320.vda@port.imtp.ilyichevsk.odessa.ua>
2004-06-06 17:55 ` Linus Torvalds
2004-06-07 18:20 ` Bruce Guenter
2004-06-08 11:06 ` Kalin KOZHUHAROV
2004-06-05 23:19 ` Robert Love
2004-06-06 14:29 ` Russell Leighton
2004-06-06 15:38 ` Using getpid() often, another way? [was Re: clone() <-> getpid() bug in 2.6?] Russell Leighton
2004-06-06 15:44 ` Robert Love
2004-06-07 0:20 ` Russell Leighton
2004-06-06 15:58 ` Arjan van de Ven
2004-06-06 23:49 ` Russell Leighton
2004-06-07 12:13 ` Arjan van de Ven
2004-06-07 13:48 ` Sean Neakums
2004-06-07 14:00 ` Christoph Hellwig
2004-06-07 14:10 ` Sean Neakums
2004-06-07 18:42 ` David Mosberger
2004-06-07 23:02 ` Russell Leighton
2004-06-07 23:27 ` David Mosberger
2004-06-08 6:01 ` Arjan van de Ven
2004-06-08 9:48 ` Eric W. Biederman
2004-06-07 0:09 ` Russell Leighton
2004-06-07 12:20 ` Arjan van de Ven
2004-06-06 17:19 ` Linus Torvalds
2004-06-12 9:15 ` Dominik Straßer
2004-06-12 13:47 ` Linus Torvalds
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