Hi Preeti, On Thu, Mar 26, 2015 at 06:32:44PM +0530, Preeti U Murthy wrote: > >1. An ILB CPU was chosen from the first numa domain to trigger nohz idle >load balancing [Given the experiment, upto 6 CPUs per core could be >potentially idle in this domain.] > >2. However the ILB CPU would call load_balance() on itself before >initiating nohz idle load balancing. > >3. Given cores are SMT8, the ILB CPU had enough opportunities to pull >tasks from its sibling cores to even out load. > >4. Now that the ILB CPU was no longer idle, it would abort nohz idle >load balancing
I don't see abort nohz idle load balancing when ILB CPU was no longer idle in nohz_idle_balance(), could you explain more in details? Regards, Wanpeng Li -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
