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.
Thanks, Steve -----Original Message----- From: owner-freebsd-performa...@freebsd.org [mailto:owner-freebsd-performa...@freebsd.org] On Behalf Of Adrian Chadd Sent: Thursday, October 15, 2009 1:55 PM To: Hongtao Yin Cc: freebsd-performance@freebsd.org Subject: Re: Comparison of FreeBSD/Linux TCP Throughput performance 2009/10/15 Hongtao Yin <ht...@huawei.com>: > 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? :) adrian _______________________________________________ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "freebsd-performance-unsubscr...@freebsd.org" _______________________________________________ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "freebsd-performance-unsubscr...@freebsd.org"
