[openib-general] [PATCH/RFC 1/2] IB: Return "maybe_missed_event" hint from ib_req_notify_cq()

[Shirley Ma]

Roland Dreier <rdreier at cisco.com> wrote on 10/18/2006 01:55:13 PM:
> I would like to understand why there's a throughput difference with
> scaling turned off, since the NAPI code doesn't change the interrupt
> handling all that much, and should lower the CPU usage if anything.
That's I am trying to understand now.
Yes, the send side rate dropped significant, cpu usage lower as well.

> Does changing the netdev weight value affect anything?
>
>  - R.
No, it doesn't.

Thanks
Shirley Ma
IBM Linux Technology Center
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