Re: impressive throughput on 2.5.73

[Nivedita Singhvi <niv@xxxxxxxxxx>]

Dave Hansen wrote:

> 176 requests/sec - 110.0 MB/second - 0.6 MB/request
>
> Server CPU breakdown.
>  2% system
>  7% user
> 91% idle
> client profile:
>  33363 total                                      0.0196
>   9575 poll_idle                                132.9861
>   5099 __copy_user_intel                         32.6859
>   3307 schedule                                   2.1418
>   1753 __wake_up                                 39.8409
>    667 tcp_v4_rcv                                 0.3382
Nice numbers :). In addition to NAPI, would be nice to
stick in more adapters. Any idea why __wake_up should be
so expensive on the client side?

thanks,
Nivedita