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Re: per-cpu statistics (Re: CVS commit: src)
> On Apr 7, 2008, at 4:25 PM, YAMAMOTO Takashi wrote:
> > will it be something generic enough to replace evcnt?
> Right now I'm just getting the network protocol stats into percpu
> storage, collated when requested via sysctl. I'll attack evcnt
> separately. I don't want to use evcnt (just yet) to replace the
> various network protocol stats. It's mostly a matter of usage -- how
> programs expect to be able to access this data currently.
> At the very least, the direction I'm going would allow us to replace
> the protocol stat implementation pretty painlessly if we decided to do
> -- thorpej
while converting existing sysctls is fine, we need to introduce a
kernel-userland interface for currently kmem-based statistics
(including evcnt) at some point. i'd like to see something like
solaris kstat rather than sprinkling random nodes in the sysctl tree.
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