I am currently experiencing high CPU usage as well.  I have a brand new box;
with Debian 6, PF_RING Version 4.6.3 ($Revision: 4539$), and an Intel

ET2 NIC (igb driver).  With the card configured to use 1 queue,
pfcount_multichannel processor utilization is 100%.  With the card
configured to use 2 queues, utilization is 200%, with 8, 800%.  The number
of RX packets also does not change utilization, 100Kpps and up to 550Kpps
produces the same CPU utilization, with 0 packets dropped.

 

 

 

Nicholas Gaugler

 

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