SCHED_ULE?

[Rui Paulo]

Hi,

On 10 Nov 2009, at 04:38, Sam Leffler wrote:

> Olivier Houchard wrote:
>> On Sun, Nov 08, 2009 at 01:30:48PM +0000, Rui Paulo wrote:
>>> Hi,
>>> I guess this has been discussed in the past but, can't we turn on ULE  on ARM embedded systems ? What's the bottleneck or performance  regression (assuming there's one) ?
>>> 
>>> --
>>> Rui Paulo
>> Hi,
>> At one point ULE was buggy on arm, but I think it's been fixed like years ago,
>> so it should be safe to use it.
> 
> Last I measured it was slower than 4BSD on my xscale boards (not much but measurable).  This was mostly doing network packet pushing (wired+wireless).

I also tested this on the Cambria board and I concluded the same (I used sysbench).

--
Rui Paulo