Comparison of FreeBSD/Linux TCP Throughput performance
sdong at huawei.com
Fri Oct 16 01:01:05 UTC 2009
There are two gettimeofday calls, one at the beginning of the test and the
other at the end. netperf-2.4.4 is used. I believe gettimeofday is a
vsyscall in linux, but a real system call in freebsd.
From: owner-freebsd-performance at freebsd.org
[mailto:owner-freebsd-performance at freebsd.org] On Behalf Of Adrian Chadd
Sent: Thursday, October 15, 2009 1:55 PM
To: Hongtao Yin
Cc: freebsd-performance at freebsd.org
Subject: Re: Comparison of FreeBSD/Linux TCP Throughput performance
2009/10/15 Hongtao Yin <htyin at huawei.com>:
> 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
I'd suggest digging a bit deeper? :)
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