lkml.org 
[lkml]   [2008]   [Jun]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH -tip-rcu] Make rcutorture more vicious: make quiescent rcutorture less power-hungry
On Mon, 23 Jun 2008 17:54:09 +0000
Darren Hart <dvhltc@us.ibm.com> wrote:

> I'm a little concerned about how this will affect real-time
> performance, as queueing up lots of timers all at once can lead to
> long running timer expiration handlers. If just a schedule_timeout,
> I suppose we are only looking at a process wakeup, as opposed to a
> softirq context callback function?

in reality, the time it takes to deliver the interrupt (including
waking the CPU up etc), is likely to be an order or two of magnitude
higher than this kind of code loop....


--
If you want to reach me at my work email, use arjan@linux.intel.com
For development, discussion and tips for power savings,
visit http://www.lesswatts.org


\
 
 \ /
  Last update: 2008-06-23 20:09    [W:0.109 / U:0.036 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site