From: Bernd Petrovitsch <bernd@petrovitsch.priv.at>
To: Christoph Lameter <cl@linux.com>
Cc: Paul Bolle <pebolle@tiscali.nl>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org
Subject: Re: Why do we still have 32 bit counters? Interrupt counters overflow within 50 days
Date: Sat, 04 Oct 2014 12:26:09 +0200 [thread overview]
Message-ID: <1412418370.19330.10.camel@thorin> (raw)
In-Reply-To: <alpine.DEB.2.11.1410030722390.9084@gentwo.org>
On Fre, 2014-10-03 at 07:23 -0500, Christoph Lameter wrote:
> On Fri, 3 Oct 2014, Paul Bolle wrote:
>
> > dc -e "1 k 2 32 ^ 1000 / 86400 / p"
> > 49.7
> >
> > (That was the number I remembered from stories about a ancient Windows
> > lockup.)
>
> Well yes, I used bc which discards the remainder on integer divides
Use `bc -l`;-)
---- snip ----
2^32 / 1000 / 86400
49.71026962962962962962
---- snip ----
Bernd
--
"I dislike type abstraction if it has no real reason. And saving
on typing is not a good reason - if your typing speed is the main
issue when you're coding, you're doing something seriously wrong."
- Linus Torvalds
prev parent reply other threads:[~2014-10-04 11:24 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-03 9:45 Christoph Lameter
2014-10-03 10:33 ` Thomas Gleixner
2014-10-03 11:54 ` Christoph Lameter
2014-10-03 12:03 ` Richard Cochran
2014-10-03 12:07 ` Christoph Lameter
2014-10-03 12:17 ` Richard Cochran
2014-10-03 14:04 ` Christoph Lameter
2014-10-05 21:49 ` Thomas Gleixner
2014-10-05 23:24 ` Christoph Lameter
2014-10-05 23:57 ` Eric Dumazet
2014-10-06 8:06 ` Thomas Gleixner
2014-10-06 10:22 ` Christoph Lameter
2014-10-06 13:01 ` Thomas Gleixner
2014-10-06 15:16 ` Christoph Lameter
2014-10-06 15:28 ` Thomas Gleixner
2014-10-06 19:34 ` Henrique de Moraes Holschuh
2014-10-06 15:31 ` David Lang
2014-10-06 19:45 ` Christoph Lameter
2014-10-05 23:59 ` Eric Dumazet
2014-10-06 7:54 ` Thomas Gleixner
2014-10-06 10:49 ` David Lang
2014-10-06 12:28 ` Thomas Gleixner
2014-10-03 12:15 ` Paul Bolle
2014-10-03 12:23 ` Christoph Lameter
2014-10-04 10:26 ` Bernd Petrovitsch [this message]
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