[dpdk-dev] ixgbe:about latency

Linhaifeng haifeng.lin at huawei.com
Fri Feb 6 06:37:03 CET 2015


Hi,

I used l2fwd to test ixgbe PMD's latency (packet length is 64 bytes)
found an interesting thing that latency is about 22us when tx bits rate is 4M
and latency is 103us when tx bits rate is 5M.

Who can tell me why?Is it a bug?

Thank you very much!

-- 
Regards,
Haifeng



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