netdev - Re: [BUG #12364] Re: HTB - very bad precision? HFSC works fine! 2.6.28

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <200901122201.19616.denys@visp.net.lb>
Date:	Mon, 12 Jan 2009 22:01:19 +0200
From:	Denys Fedoryschenko <denys@...p.net.lb>
To:	Jesper Dangaard Brouer <hawk@...u.dk>
Cc:	Patrick McHardy <kaber@...sh.net>, netdev <netdev@...r.kernel.org>,
	bugme-daemon@...zilla.kernel.org
Subject: Re: [BUG #12364] Re: HTB - very bad precision? HFSC works fine!	2.6.28

They are enabled

Router-Dora /config # zcat /proc/config.gz |grep HIGH_RES
CONFIG_HIGH_RES_TIMERS=y
Router-Dora /config # zcat /proc/config.gz |grep HZ
CONFIG_NO_HZ=y


On Monday 12 January 2009 21:58:22 Jesper Dangaard Brouer wrote:
> On Mon, 12 Jan 2009, Denys Fedoryschenko wrote:
> > End of my story:
> > 1000HZ solved issue. HTB and HFSC keeps rate MUCH better.
> > Both looks like perform similar, but because it is real load scenario, i
> > cannot measure which one is better.
>
> If that was you problem, you should consider enabling
> CONFIG_HIGH_RES_TIMERS (and possibly CONFIG_NO_HZ).
>
> Patrick McHardy has at some point made the sched code independent of the
> HZ value, but only when the HIGH_RES_TIMERS are enabled.
>
> Cheers,
>    Jesper Brouer
>
> --
> -------------------------------------------------------------------
> MSc. Master of Computer Science
> Dept. of Computer Science, University of Copenhagen
> Author of http://www.adsl-optimizer.dk
> -------------------------------------------------------------------
> --
> To unsubscribe from this list: send the line "unsubscribe netdev" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html


--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html