[P4-dev] Help regarding implementing a counter in P4_16

Andy Fingerhut andy.fingerhut at gmail.com
Tue Jun 13 17:48:56 EDT 2017

I am not sure, but you may be hitting this known issue with the P4-16
compiler: https://github.com/p4lang/p4c/issues/461


On Mon, Jun 12, 2017 at 11:09 PM, Rakesh Datta <rakesh.datta6 at gmail.com>

> Hello All,
> I am trying to design a counter similar to the one mentioned in
> https://github.com/p4lang/tutorials/blob/master/SIGCOMM_
> 2016/heavy_hitter/counter_example/heavy_hitter.p4
> I am running the compiled P4 code on top of bmv2. However, I am getting an
> error saying, 'Unknown primitive action: count'.
> Most likely, the counters are designed in a different way (extern) in
> P4_16.
> Can somebody please guide me how to code a counter in P4_16.
> Thanks 'n' Regards,
> Rakesh Datta
> http://www.linkedin.com/in/rakeshdatta
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> P4-dev mailing list
> P4-dev at lists.p4.org
> http://lists.p4.org/mailman/listinfo/p4-dev_lists.p4.org
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