Messages in this thread |  | | | Subject | Re: [RFC][PATCH 0/8] load-balancing and cpu_power -v2 | | From | Peter Zijlstra <> | | Date | Thu, 03 Sep 2009 15:38:56 +0200 |
| |
On Thu, 2009-09-03 at 14:10 +0200, Andreas Herrmann wrote: > On Tue, Sep 01, 2009 at 10:34:31AM +0200, Peter Zijlstra wrote:
> > Anyway, have at it, poke holes and report issues. > > Tested it (to a certain extend). > Found no performance degradation (on 1P, 2P, 4P systems). (One could > think performance might slightly degrade due to more frequent > __cpu_power updates).
Grand.
> This applies to modification of sched_mc_power_savings. And I think > one of above scenarios is already broken in tip/master w/o your > patches.
I suspect so, but confirmation would be good, I don't have a single machine large enough to actually test any of that power saving muck.
> Otherwise especially wrt to integration of APERF/MPERF this seems to > be a good approach.
On that, are there AMD systems supporting APERF/MPERF? I only know of Intel machines doing so.
|  |