Re: [PATCH net] net: rename and move busy poll mib counter

From: Shawn Bohrer
Date: Tue Aug 06 2013 - 14:24:58 EST

On Tue, Aug 06, 2013 at 03:14:48AM -0700, Eric Dumazet wrote:
> On Tue, 2013-08-06 at 12:52 +0300, Eliezer Tamir wrote:
> > Move the low latency mib counter to the ip section.
> > Rename it from low latency to busy poll.
> >
> > Reported-by: Shawn Bohrer <sbohrer@xxxxxxxxxxxxxxx>
> > Signed-off-by: Eliezer Tamir <eliezer.tamir@xxxxxxxxxxxxxxx>
> > ---
> Well, it should not be part of IP mib, but a socket one (not existing so
> far)
> Linux MIB already contains few non TCP counters :

Doesn't mean they are in the correct place either, but perhaps it's too
late for them.

> Its mostly populated by TCP counters, sure.

See, on the kernel side these are called "LINUX_MIB*" which seems
perfectly sane and I wouldn't even think the statistic is out of
place. On the user-mode side these are all reported in
/proc/net/netstat as TcpExt statistics. I can tell you that I don't
look at TCP statistics when I'm debugging/testing UDP issues
(apparently I should).



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