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Re: Per-cpu stats for network interfaces



> On Jan 27, 2020, at 3:03 PM, Andrew Doran <ad%netbsd.org@localhost> wrote:
> 
> I think special casing for things like MULTIPROCESSOR and really old
> machines is a bad idea, unless the stakes are very high or it's absolutely
> clear cut like "compile this file / don't compile this file and nobody
> outside the file can tell the difference".  It's possible I'm simply a bad
> programmer but my experience is that special casing this stuff turns out to
> be a fine generator of bugs, compile failures and boring maintenance work.

Agreed.  If optimizations are to be done for the pure uniprocessor, should be done inside the percpu API.

-- thorpej



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