On Wed, 2021-08-04 at 18:43 -0600, David Ahern wrote: > 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. from experience I don't believe it can be more than 1% and yes on existing APIs !
