Messages in this thread |  | | | Subject | Re: irq balancing question | | From | Arjan van de Ven <> | | Date | Fri, 23 Feb 2007 20:01:29 +0100 |
| |
> > and i guess it doesn't matter if the distribution is being done by the > hardware, from the point of view of the kernel, i would still get the > performance penalty.
for the cache bouncing you save assuming you have an Intel cpu (eg one where the cache is shared). You don't save on the cross-cpu reassembly, that is an entire different algorithm path you hit there..
> i'm just trying to figure it out, i have no real knowledge of the inner > kernel workings, so i dont know. but i really would like to use all 4 cores. > just how expensive is that reassembly path ?
depends on your traffic to be honest, probably a question more suited for net-dev list.
-- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |