From: Davide Libenzi <davidel@xmailserver.org>
To: dean gaudet <dean-list-linux-kernel@arctic.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [RFD] Combined fork-exec syscall.
Date: Sun, 27 Apr 2003 19:38:59 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.50.0304271908020.7601-100000@blue1.dev.mcafeelabs.com> (raw)
In-Reply-To: <Pine.LNX.4.53.0304271831250.8792@twinlark.arctic.org>
On Sun, 27 Apr 2003, dean gaudet wrote:
> On Sun, 27 Apr 2003, Mark Grosberg wrote:
>
> > I would think on large, multi-user systems that are spawning processes all
> > day, this might improve performance if the shells on such a system were
> > patched.
>
> more relevant is a large multithreaded (or async model with many
> connections per thread/process) webserver spawning cgi. otherwise you pay
> the costs of duplicating the mm and even if you use F_CLOEXEC (which has a
> cost-per-connection) you have to pay for scanning the open fds.
This might be the only edge of such new syscall IMO. Processes with
hugh file tables. Not the MM stuff, that is fine with vfork().
- Davide
next prev parent reply other threads:[~2003-04-28 2:26 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-28 0:57 [RFD] Combined fork-exec syscall Mark Grosberg
2003-04-28 0:59 ` Larry McVoy
2003-04-28 1:16 ` Mark Grosberg
2003-04-28 1:36 ` Måns Rullgård
2003-04-28 1:45 ` Mark Grosberg
2003-04-28 1:49 ` dean gaudet
2003-04-28 1:59 ` Mark Grosberg
2003-04-28 2:27 ` Miles Bader
2003-04-28 19:07 ` dean gaudet
2003-05-01 13:14 ` Jakob Oestergaard
2003-04-28 1:17 ` Davide Libenzi
2003-04-28 1:28 ` Mark Grosberg
2003-04-29 2:01 ` Rafael Costa dos Santos
2003-04-28 1:41 ` Ulrich Drepper
2003-04-28 1:49 ` Mark Grosberg
2003-04-28 2:19 ` Ulrich Drepper
2003-04-28 6:59 ` Kai Henningsen
2003-04-28 1:35 ` dean gaudet
2003-04-28 1:43 ` Mark Grosberg
2003-04-28 3:44 ` Mark Mielke
2003-04-28 5:16 ` Jamie Lokier
2003-04-28 2:38 ` Davide Libenzi [this message]
2003-04-28 2:09 ` Richard B. Johnson
2003-04-28 2:12 ` Mark Grosberg
2003-04-28 2:42 ` Werner Almesberger
2003-04-28 6:35 ` Mark Grosberg
2003-04-29 2:47 ` Rafael Santos
2003-04-28 3:20 ` Werner Almesberger
2003-04-28 13:00 ` Richard B. Johnson
2003-04-28 13:22 ` Andreas Schwab
2003-04-28 13:57 ` Richard B. Johnson
2003-04-28 13:57 ` Andreas Schwab
2003-04-28 14:16 ` Richard B. Johnson
2003-04-28 14:38 ` Valdis.Kletnieks
2003-04-28 14:56 ` Richard B. Johnson
2003-04-28 14:42 ` Andreas Schwab
2003-04-28 16:36 ` Mark Grosberg
2003-04-28 17:19 ` Davide Libenzi
2003-04-28 18:28 ` Craig Ruff
2003-05-06 2:48 ` Miles Bader
2003-04-29 18:50 ` Timothy Miller
2003-04-28 2:32 ` Werner Almesberger
2003-04-28 7:40 ` Mirar
2003-04-28 12:45 ` Matthias Andree
2003-04-29 1:05 ` Rafael Costa dos Santos
2003-04-28 1:19 ` Mark Grosberg
2003-04-29 1:29 ` Rafael Costa dos Santos
2003-04-28 3:03 Davide Libenzi
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