From: Mark Mielke <mark@mark.mielke.cc>
To: Jamie Lokier <jamie@shareable.org>
Cc: Davide Libenzi <davidel@xmailserver.org>,
Lennert Buytenhek <buytenh@math.leidenuniv.nl>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: {sys_,/dev/}epoll waiting timeout
Date: Thu, 23 Jan 2003 15:40:56 -0500 [thread overview]
Message-ID: <20030123204056.GC2490@mark.mielke.cc> (raw)
In-Reply-To: <20030123182831.GA8184@bjl1.asuk.net>
On Thu, Jan 23, 2003 at 06:28:31PM +0000, Jamie Lokier wrote:
> Mark Mielke wrote:
> > Or, fix sys_poll(). With the +1, this means that sys_poll() would have
> > a 1 in 1001 chance per second of returning one jiffie too early.
> Nope. Read the expression again.
Sorry... not 1 in 1001... almost 100% chance of returning of one
jiffie too many. In practice, even on a relatively idle system,
the process will not be able to wake up as frequently as it might
be able to expect.
mark
--
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next prev parent reply other threads:[~2003-01-23 20:23 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-22 6:55 {sys_,/dev/}epoll waiting timeout Lennert Buytenhek
2003-01-22 8:03 ` Jamie Lokier
2003-01-22 12:46 ` Ed Tomlinson
2003-01-22 13:20 ` Jamie Lokier
2003-01-22 19:14 ` Randy.Dunlap
2003-01-22 19:34 ` Jamie Lokier
2003-01-22 19:32 ` Randy.Dunlap
2003-01-23 14:07 ` Davide Libenzi
2003-01-23 15:43 ` Jamie Lokier
2003-01-23 17:27 ` Mark Mielke
2003-01-23 18:28 ` Jamie Lokier
2003-01-23 20:40 ` Mark Mielke [this message]
2003-01-23 22:18 ` Jamie Lokier
2003-01-24 14:41 ` Andreas Schwab
2003-01-25 1:08 ` Davide Libenzi
2003-01-27 21:27 ` bug in select() (was Re: {sys_,/dev/}epoll waiting timeout) Bill Rugolsky Jr.
2003-01-27 22:52 ` Davide Libenzi
2003-01-28 9:45 ` Jamie Lokier
2003-01-28 10:52 ` Mark Mielke
2003-01-28 21:39 ` Jamie Lokier
2003-01-28 22:15 ` Davide Libenzi
2003-01-28 19:42 ` {sys_,/dev/}epoll waiting timeout Randy.Dunlap
2003-01-28 21:36 ` Jamie Lokier
2003-01-28 21:44 ` David Mosberger
[not found] <20030122080322.GB3466@bjl1.asuk.net.suse.lists.linux.kernel>
[not found] ` <Pine.LNX.4.33L2.0301281139570.30636-100000@dragon.pdx.osdl.net.suse.lists.linux.kernel>
[not found] ` <20030128213621.GA29036@bjl1.asuk.net.suse.lists.linux.kernel>
2003-01-28 21:55 ` Andi Kleen
2003-01-28 22:24 ` Davide Libenzi
2003-01-28 22:39 ` Andi Kleen
2003-01-28 23:00 ` Davide Libenzi
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