[lkml]   [2002]   [Feb]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: is CONFIG_PACKET_MMAP always a win?
> >    Overhead: kernel does a full memcpy of the packet body to get it
> > into the ring buffer, and my program does another to get it out.
> I had a look at this about a year ago, and it seems there is no method
> provided to read the packets without copying them, if you need them in
> user space.

You can process them in the ring buffer. If you can't keep up then you
are screwed any way you look at it 8)
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:20    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean