Date: Mon, 04 Feb 2008 21:21:51 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: Stefan Lambrev <stefan.lambrev@moneybookers.com> Cc: freebsd-hackers@freebsd.org, Ivan Voras <ivoras@freebsd.org> Subject: Re: gettimeofday() in hping Message-ID: <47A773DF.3010409@FreeBSD.org> In-Reply-To: <47A71AB7.6000209@moneybookers.com> References: <4795CC13.7080601@moneybookers.com> <4795FE54.9090606@moneybookers.com> <86lk6i0vzk.fsf@ds4.des.no> <479605E2.6070709@moneybookers.com> <fn5c7u$i7e$2@ger.gmane.org> <47964356.6030602@moneybookers.com> <479647FB.3070909@FreeBSD.org> <47970EE2.5000400@moneybookers.com> <fn7evj$smv$1@ger.gmane.org> <479754E6.1060101@moneybookers.com> <9bbcef730801230802n5c52832bk60c6afc47be578f4@mail.gmail.com> <47976AD4.3020203@moneybookers.com> <47A62EE8.2000700@FreeBSD.org> <47A62F1D.8070507@FreeBSD.org> <47A639B5.2020909@FreeBSD.org> <47A6EA28.6000902@moneybookers.com> <47A71AB7.6000209@moneybookers.com>
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Stefan Lambrev wrote: > FreeBSD - ACPI > > em1 in 13.157 MB/s 13.162 MB/s 23.697 GB > out 13.150 MB/s 13.153 MB/s 17.976 GB > > FreeBSD - TSC > > em1 in 18.624 MB/s 18.832 MB/s 25.507 GB > out 17.008 MB/s 17.041 MB/s 19.681 GB > > FreeBSD - i8254 > > em1 in 6.763 MB/s 6.763 MB/s 26.005 GB > out 6.756 MB/s 6.758 MB/s 20.151 GB > > FreeBSD - dummy > > em1 in 18.705 MB/s 18.796 MB/s 27.014 GB > out 17.217 MB/s 17.225 MB/s 21.082 GB I forgot to mention I was using -a to spoof the return address so time is not wasted receiving packets (since your goal was to syn flood the server). Probably there are other (possibly also bogus) gettimeofday calls that are still present in hping when receiving packets. Kris
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