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Re: Using the evcnt infrastructure in NetBSD, any experience?
On Thu, Sep 24, 2009 at 16:07:13 -0700, Brian Buhrow wrote:
> So, my question is, has anyone turned on those extra event counting
> options in any of the network drivers, and, if so, did you find that things
> were just as stable as they were without those options enabled? I can turn
> them on, but I'd like to know if someone has gone before me.
evcnt instrumentation basically means adding 64-bit additions here and
there to increment your counters, so it cannot cause any stability
issues. (FWIW, I used them during development in fast TLB miss
handlers that are about as stablity critical as it can get)
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