lkml.org 
[lkml]   [2005]   [Jul]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: realtime-preempt-2.6.12-final-V0.7.51-11 glitches [no more]
From
> * Rui Nuno Capela <rncbc@rncbc.org> wrote:
>
>> OTOH, I'll take this chance to show you something that is annoying me
>> for quite some time. Just look to the attached chart where I've marked
>> the spot with an arrow and a question mark. Its just one example of a
>> strange behavior/phenomenon while running the jack_test4.2 test on
>> PREEMPT_RT kernels: the CPU usage, which stays normally around 50%,
>> suddenly jumps to 60% steady, starting at random points in time but
>> always some time after the test has been started. Note that this
>> randomness surely adds to the the slight differences found on the
>> above results.
>
> how long does this condition persist?

On all of my extensive tests, it persists on all of the remaining
jack_test4 time span, doesn't matter how long it is.

I'll look later into your profiling and tracing instructions. Many thanks
for the directions.

Seeya.
--
rncbc aka Rui Nuno Capela
rncbc@rncbc.org

-
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: 2005-07-08 13:00    [W:0.069 / U:0.780 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site