lkml.org 
[lkml]   [2011]   [Aug]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [ANNOUNCE] 3.0.1-rt11
Mike Galbraith wrote:
> On Tue, 2011-08-16 at 12:31 -0700, Paul E. McKenney wrote:
>> On Tue, Aug 16, 2011 at 05:10:08PM +0200, Mike Galbraith wrote:
>>> On Tue, 2011-08-16 at 07:17 -0700, Nivedita Singhvi wrote:
>>>
>>>> Mike,
>>>>
>>>> Which test were you running? Because I'm not seeing it
>>>> on our x3550 M3..
>>> -rt11 did not trip up just idling along like a couple earlier releases
>>> did, but did stall when I tried to run ltp realtime testcases.
>> But please note that if your realtime workload is CPU-bound with prio
>> greater than that of RCU_SOFTIRQ, stalls would be expected.
>
> The (broken) jitter testcase runs two threads, an interrupter thread at
> prio 80, and a worker at 10. Both sleep. I just ran the testcase
> standalone, and no stall happened, so perhaps something from an earlier
> testcase got stuck.. or something.
>
> I'll try maxing out boost, and see what happens. It was set to 50.
>
> -Mike

I suppose the other thing to watch out for is the stall
any RT task might see when sched_rt_runtime_us is maxed
out -- it was the occasional cause for a failure or two,
as well.


thanks,
Nivedita


\
 
 \ /
  Last update: 2011-08-17 07:07    [W:0.099 / U:0.212 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site