Hey, guys.



I'm currently experiencing a strange issue in my program (Using netmap).


Sometimes, when I call select() in a FD, it gets like 4~8 packets per event,
however suddenly it drops to 1~2 packets per event, losing a lot of
performance and increasing the number of select calls necessary to poll the
NIC for new packets.


Is there any type of tweak I can do, to make this behavior becomes linear
and sustain the performance in such case without these oscillations ?


The behavior happens under the same stressing circumstances, around 1.4
Mpps~ (64 byte packets).






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