lkml.org 
[lkml]   [2006]   [Jan]   [24]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: RCU latency regression in 2.6.16-rc1
FromLee Revell <>
DateTue, 24 Jan 2006 02:58:02 -0500
On Tue, 2006-01-24 at 08:56 +0100, Ingo Molnar wrote:
> * Lee Revell <rlrevell@joe-job.com> wrote:
> 
> > I ported the latency tracer to 2.6.16 and got this 13ms latency within 
> > a few hours.  This is a regression from 2.6.15.
> > 
> > It appears that RCU can invoke ipv4_dst_destroy thousands of times in 
> > a single batch.
> 
> could you try the PREEMPT_RCU patch below?
> 


Sure.  If it works do you see this making it in 2.6.16?  Otherwise we
still would have a regression...

Lee


-
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: 2006-01-24 09:00    [from the cache]
©2003-2008