Re: Re?: Re: Kernel mode with a recent kernel
Eddie Kohler <[email protected]>
| Newsgroups | gmane.network.routing.click |
|---|---|
| Organization | Harvard University |
| Message-ID | <[email protected]> |
Luigi, As you know I think this is awesome. Should we start working on a direct linkup between Click and netmap, rather than using libpcap as an intermediate? Eddie On 12/16/2011 10:32 AM, Luigi Rizzo wrote: > On Fri, Dec 16, 2011 at 03:57:00PM +0100, Fabrice Schuler wrote: >> Hi Eddy, >> >> Thanks for your answer. >> >> In a first time, we could probably only use kernel mode without polling, so patchless click could be fine. But on a longer run, I would say that yes, we will need polling mode. >> I will try patchless mode in a first time, and will still try to work to use polling in a second time. > > If you are interested in polling because of performance, you should > really consider using click-userspace with netmap (currently on > FreeBSD, but linux support is really close now) > > http://info.iet.unipi.it/~luigi/netmap/ > > In our tests it seems to beat in-kernel click by a factor of 2, > for I/O intensive tasks (where polling makes the difference). > > http://info.iet.unipi.it/~luigi/netmap/20110729-rizzo-infocom.pdf > > cheers > luigi > _______________________________________________ > click mailing list > [email protected] > https://amsterdam.lcs.mit.edu/mailman/listinfo/click