lkml.org 
[lkml]   [2003]   [Dec]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: Increasing HZ (patch for HZ > 1000)
Date
Jean-Marc Valin <Jean-Marc.Valin@USherbrooke.ca> writes:

> more sensitive at 1 kHz). Also, I have around 10% overhead on my
> Pentium-M 1.6 GHz, so I guess it's not for everyone. Extrapolating from
> there, I'd also say that at 100 kHz, it wouldn't do anything but handle
> the interrupts, which is slightly annoying when you want to actually get
> some work done :)

I once forgot to acknowledge an interrupt in the handler for a PCI
board. It ended up being called ~300k times per second. The system
load was noticeable.

--
Måns Rullgård
mru@kth.se

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:59    [W:0.076 / U:11.748 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site