Re: loaded router, excessive getnstimeofday in oprofile

Rick Jones
2008-08-27T16:49:27Z

Andi Kleen wrote:
>>Those banks really want to crank down on latency - to the point they
>>start disabling interrupt coalescing. I bet they'd toss anything out
>>they could to shave another microsecond.
>
>
> This change would actually likely lower their latency.

I'm guessing you mean increase their latency? I agree, it could -
depends entirely on the PPS in production I suspect.

rick jones

ftp://ftp.cup.hp.com/dist/networking/briefs/nic_latency_vs_tput.txt

I should probably refresh/update that one of these days