Re: [RFC 1/2] sched: reduce migration cost between faster caches for idle_balance

[Mike Galbraith]

On Thu, 2018-02-15 at 13:21 -0500, Steven Sistare wrote:
> On 2/15/2018 1:07 PM, Mike Galbraith wrote:
> 
> >> Can you provide more details on the sysbench oltp test that motivated you
> >> to add sysctl_sched_migration_cost to idle_balance, so Rohit can re-test it?
> > 
> > The problem at that time was the cycle overhead of entering that LB
> > path at high frequency.  Dirt simple.
> 
> I get that. I meant please provide details on test parameters and config if
> you remember them.

Nope.  I doubt it would be relevant to here/now anyway.

	-Mike