Re: [RESEND] tuning linux for high network performance?

bert hubert wrote:

quoted

...adding the whole profile output - sorted by the first column this time...

905182 total                                      0.4741
121426 csum_partial_copy_generic                474.3203
 93633 default_idle                             1800.6346
 74665 do_wp_page                               111.1086

Perhaps the 'copy' also entails grabbing the page from disk, leading to
inflated csum_partial_copy_generic stats?

I think this is strictly a copy from user space->kernel and vice versa.
This shouldnt include the disk access etc. 

thanks,
Nivedita