CPU "load"

[Eddie Kohler]

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