Messages in this thread | | | Date | Fri, 17 Jan 2014 11:15:32 +0800 | From | Michael wang <> | Subject | Re: [RFC PATCH] sched: select_idle_sibling macro optimize |
| |
On 01/17/2014 10:14 AM, Alex Shi wrote: [snip] >> >> When is that gonna happen? > > I had seen this in a Intel platform, you may have both CPU domain and MC > domain layer, because the domain flag is different, then they can not be > merged. and then the CPU domain just has one group.
CPU and MC are different domains, isn't it?
General should like:
CPU cpu0 cpu1 MC core0 core1 core0 core1 SMT cpu 0 cpu 1 cpu 2 cpu 3 cpu 4 cpu 5 cpu 6 cpu 7
So for cpu0:
CPU sg0:cpu0,1,2,3 sg1:cpu4,5,6,7 MC sg0:cpu0,1 sg1:cpu2,3 SMT sg0:cpu0 sg1:cpu1
If one domain only have one group, that's sounds really a weird topology...
Regards, Michael Wang
>> >> -Mike >> >> > >
| |