lkml.org 
[lkml]   [2011]   [Oct]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRE: big picture UDP/IP performance question re 2.6.18 -> 2.6.32
Date
From
> Sometimes I think it might be nice to run without
> an OS at all :-)
>
> We are looking at various kernel bypass approaches
> for receiving packets and it's in my mind that
> one of these may get us to running on newer
> kernels without giving up performance.
>

If permissible in your environment, try running PACKET:tpacket_v3.

Also, I always wondered about the following in the output of:

net/ptype
dada edsa_rcv+0x0/0x246
001b dsa_rcv+0x0/0x225

and so when I'm fine tuning apps in virtual environments I nuke the
above during kernel compilation.


Chetan Loke


\
 
 \ /
  Last update: 2011-10-04 22:05    [W:1.293 / U:0.004 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site