Comparison of FreeBSD/Linux TCP Throughput performance

Adrian Chadd adrian at
Thu Oct 15 21:21:05 UTC 2009

2009/10/15 Hongtao Yin <htyin at>:
> Hi,
> I compared TCP performance between FreeBSD and Linux by running test tools
> Netperf and Iperf with Intel NIC.

Did you compare syscalls made and time taken?

For example, do either/both of them do a lot of gettimeofday() calls?
FreeBSD and Linux have (had?) different behaviours and performance
with those.

I'd suggest digging a bit deeper? :)


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