mbuf and uio

[Alfred Perlstein]

On 2/7/14 4:51 AM, Luca Ferrari wrote:
> Hi all,
> I'm just wondering why mbufs seems to be much more important from an
> administrator point of view than uio. I mean, both structures are used
> to move data thru a stack (network or i/o), but the mbufs get
> accounted by serveral tools (like netstat and so on) while uio does
> not.
> Am I totally wrong on this?
uios are transient structures that can be allocated on the stack at any 
time.  In general you'll have at most 1 uio per process/thread active.

tracking them would not really gain us much.

-- 
Alfred Perlstein