Messages in this thread |  | | Date | Mon, 10 Mar 2003 15:12:56 +0100 | From | Mike Galbraith <> | Subject | Re: 2.5.64-mm2->4 hangs on contest |
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At 08:41 AM 3/10/2003 -0500, Ed Tomlinson wrote: >On March 10, 2003 08:41 am, Mike Galbraith wrote: > > At 07:43 AM 3/10/2003 -0500, Ed Tomlinson wrote: > > >Mike Galbraith wrote: > > > > At 09:31 PM 3/10/2003 +1100, Con Kolivas wrote: > > > >>On Mon, 10 Mar 2003 21:31, Mike Galbraith wrote: > > > >> > Ahem. Attached this time. > > > >> > > > >>I assume this is against bk? I'll massage it into 2.5.64-mm4 > > > > > >Suspect that the interactivity changes have make the problem that my > > >ptg patch is designed to fix easier to hit. Con where is the latest > > >contest (a quick google does not help)? Mike what version of irman > > >are you using? The one I have has problems parsing /proc/mem in mm. > > > > Version 0.5. (also has parse problem) > >If you guys play with the ptg patch there are two tunables you should >be aware of. The first is theard_governor, which probably will not need >to be touched. The second is user_governor. This one you may want to >reduce from 100 to 50 - meaning start reducing a user's timeslices when >there are more than 5 in run queue tasks for that user.
In my experiments, reducing timeslice does horrible things to throughput. The hind of testing I do is mostly throughput oriented... latency is secondary when you're running full throttle ;-)
-Mike
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