Pyun YongHyeon wrote:
On Fri, Aug 22, 2008 at 09:22:13AM -0700, Sam Leffler wrote:
> Pyun YongHyeon wrote:
> >yongari 2008-08-22 06:46:55 UTC
> >
> > FreeBSD src repository
> >
> > Modified files:
> > sys/dev/bfe if_bfe.c if_bfereg.h
> > Log:
> > SVN rev 181994 on 2008-08-22 06:46:55Z by yongari
> >
> > Add a new sysctl node 'dev.bfe.N.stats' that shows various MAC
> > counters for Rx/Tx statistics. Various counters in ifnet is also
> > updated with these hardware counters.
> >
> >
> Can we not add stuff like that spews output to the console? I much
> prefer to see a tool that dumps the stats and if you need to get to them
> w/o the tool then consider adding a ddb cmd. We're just about to get
> the ability to add ddb cmds in loadable modules which was the only
> reason not to leverage ddb for stuff like this.
>
That would be one of possible approach. Thanks for the pointer.
John Baldwin corrected my mis-thinking. I was thinking we could use a
ddb command to send output to a terminal but it'll only go to a
console. Another possible approach is to use dtrace but that's probably
less-likely to be configured into a kernel so I'm not sure which way is
best. Ideally we'd have a framework for drivers to report statistics
through a standard interface like netstat but that's not there (yet).
Sam
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