CPU "load"

[Benjie Chen]

since he brought it up... at some point, i'd like to write a driver
that does not involve busy polling again. it would work w/ interrupts.
i think having it would be useful...

benjie



On Mon, Aug 20, 2001 at 07:11:24PM -0700, Eddie Kohler wrote:
> Hi Tim,
> 
> > One thing I'd like to do is quantify how "busy" the click processing thread
> > is for a given packet load. If I could measure this then I could get an idea
> > about maximum packet handling capability without having to load it up to the
> > limit. But, of course, the usual CPU load tools are no good, since the
> > polling loop is always running and the CPU looks 100% busy even if nothing
> > is going on.
> 
> Hmm! This is an interesting question that I'm not sure we have a good
> answer for. We've always just loaded it up as far as it would go.
> 
> Do you just want to avoid writing a UDP generator (which is easy, in
> Click), or is there a particular workload characteristic you're trying to
> preserve?
> 
> l,d
> 
> 

-- 
benjie chen
benjie at lcs.mit.edu