On 8/4/21 12:27 PM, Saeed Mahameed wrote:
> 
>> I just ran some quick tests with my setup and measured about 1.2%
>> worst
> 
> 1.2% is a lot ! what was the test ? what is the change ?

I did say "quick test ... not exhaustive" and it was definitely
eyeballing a pps change over a small time window.

If multiple counters are bumped 20-25 million times a second (e.g. XDP
drop case), how measurable is it? I was just trying to ballpark the
overhead - 1%, 5%, more? If it is <~ 1% then there is no performance
argument in which case let's do the right thing for users - export via
existing APIs.
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