Re: [PATCH] sched: modify move_tasks() to improve load balancing outcomes

[Peter Williams <pwil3058@bigpond.net.au>]

Siddha, Suresh B wrote:
> On Sat, Apr 15, 2006 at 10:54:45AM +1000, Peter Williams wrote:
>> Yes, there are problems with the active/expired arrays but they're no 
>>> The only special check in find_busiest_group() helping MT/MC balancing
>>> is pwr_now and pwr_move calculations..
>> What about the very messy code I had to put in so that 
>> find_busiest_group() would return a group even if there were no queues 
>> in the group with more than one task.  Similar for find_busiest_queue().
> 
> Thats messy for sure and that was introduced by you to fix an imabalance
> issue for a simple DP system(with out breaking HT systems). I will post a fix
> for that.

By moving the active load balance trigger out of load_balance() and 
providing an independent trigger that does not require sub optimal 
normal load balancing, I hope?

Peter
-- 
Peter Williams                                   pwil3058@bigpond.net.au

"Learning, n. The kind of ignorance distinguishing the studious."
  -- Ambrose Bierce