Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 22 Jan 2008 13:09:06 +0200
From:      "Vlad GALU" <dudu@dudu.ro>
To:        freebsd-hackers@freebsd.org
Subject:   Re: gettimeofday() in hping
Message-ID:  <ad79ad6b0801220309r330a7aa1q736a98858f9d9918@mail.gmail.com>
In-Reply-To: <4795CC13.7080601@moneybookers.com>
References:  <4795CC13.7080601@moneybookers.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On 1/22/08, Stefan Lambrev <stefan.lambrev@moneybookers.com> wrote:
> Greetings,
>
> I noticed that hping3 (from ports) is quite slower when running on
> FreeBSD compared to Linux.
> Simple ktrace shows lot of gettimeofday() calls, so I'm looking for
> replacement of this function.
> I tried clock_gettime() (using CLOCK_REALTIME for clock_id), but this
> yield worse performance.
> Of course changing timecounter to TSC make hping almost twice faster,
> but I'm wandering if I can optimize things more?
>

   Also, is it possible to bypass the ACPI timer entirely without
disabling the whole ACPI, in order to use TSC as the default
timecounter?

> --
>
> Best Wishes,
> Stefan Lambrev
> ICQ# 24134177
>
> _______________________________________________
> freebsd-hackers@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
>


-- 
Mahnahmahnah!



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?ad79ad6b0801220309r330a7aa1q736a98858f9d9918>