[ovs-dev] [patch] sFlow kernel code for Open vSwitch

[Ben Pfaff]

Neil McKee <neil.mckee at inmon.com> writes:

>> I am slightly concerned about wraparound, so that userspace can
>> properly reset 'sequence_number' each time the sample_pool wraps.
>> But it does take several seconds for that to happen even with
>> min-size packets at 10Gbps, so my concern may be pointless.
>> Still, it has little cost.
>
> It's OK for the sample_pool to wrap just like any other
> unsigned counter.  The collector should handle it.  [...]

OK.  I didn't realize that subtlety.  Thanks.