Hi,

Not that I am aware of. We're currently running the stock kernel again; 
2.6.32-5-amd64

I've tried several kernels suggested here before, but that didn't change 
anything either.

I don't care much for high FPS, currently our servers are running at a very low 
40-ish FPS on high load, and you can't notice too much performance issues. So 
I'd much rather run around 66-ish FPS and have a lower CPU load.

Saint K.
________________________________________
From: [email protected] 
[[email protected]] On Behalf Of Michael Johansen 
[[email protected]]
Sent: 25 July 2011 12:44
To: [email protected]
Subject: Re: [hlds_linux] cpu on i7 920

I've got a question about your kernel, is it patched with the RT-patch? I know 
that RT causes more stable fps but a lot higher cpu load.

> Date: Mon, 25 Jul 2011 03:36:10 -0700
> From: [email protected]
> To: [email protected]
> CC: [email protected]
> Subject: Re: [hlds_linux] cpu on i7 920
>
>
> Looks fine, don't mess with it.
>
> generic-receive-offload would be good if you were doing 10G networking,
> but otherwise forget about it.
>
> Make sure that your RAM is in the right slots as recommended by Tyan.
> That can slow things down sometimes but I would not expect that to cause
> such significant problems.
>
> I have no clue.  Grab an old cruddy desktop, set it up on your home
> network, do a quickplay qualified server, and then watch how it runs.
> Use the same OS and versions you are using on your server and then start
> twiddling.  You only need about a 2Mbps upstream rate for a 24-player
> server.
>
> I would blame software way before I started blaming hardware.
>
> Actually, I'd blame something you did unknowingly, first, but just
> because I'm a BOFH.
>
> People like to throw switches in the desperate hope that one of them was
> put there by system developers specifically just to slow things down,
> like a turbo switch on an old 486DX.
>
> "Surely, my sheer desire to make things go faster and by randomly
> throwing every bios setting, recompiling my kernel with obscure realtime
> patches I found, enabling weird sysctrl parameters, and buying a Bigfoot
> gaming NIC will make things go faster!"
>
> And that's why we have fps_max 1000 and 100PPS update/cmd rates on servers.
>
> I really have no idea what I'm talking about.  I've only been messing
> with srcds servers for the last nine months or so.
>
> Then again... Seagate did ship me all of those SATA 300 drives with the
> 150-limiting jumpers on by default.
>
>
>
> Saint K. wrote:
> > Hi,
> >
> > I am getting these values returned, not entirely sure what I am looking at;
> >
> > mrblonde:~# ethtool -k eth0
> > Offload parameters for eth0:
> > rx-checksumming: on
> > tx-checksumming: on
> > scatter-gather: on
> > tcp-segmentation-offload: off
> > udp-fragmentation-offload: off
> > generic-segmentation-offload: on
> > generic-receive-offload: off
> > large-receive-offload: off
> > ntuple-filters: off
> > receive-hashing: off
> >
> >
> > Does this appear to be good? I've checked the chipset specs and it supports 
> > checksum offloading.
> >
> > Saint K.
> > ________________________________________
> > From: [email protected] 
> > [[email protected]] On Behalf Of Andrew Armitage 
> > [[email protected]]
> > Sent: 25 July 2011 10:36
> > To: [email protected]
> > Subject: Re: [hlds_linux] cpu on i7 920
> >
> > I wouldn't expect problems with.  But I happily admit to being no expert.
> >
> > Try ethtool -k<interface>  and see what's what?
> >
> > A
> >
> > On 25/07/2011 08:42, Saint K. wrote:
> >> The servers are build on Tyan Tempest i5400 motherboards, based on
> >> the Intel 5400B chipset platform, the Gbit nic's used on this board
> >> are Intel 82563EB chips.
> >>
> >> I've never really figured the load could be related to the networking
> >> chip as our throughput tests never really show any issues when tested
> >> (with all sorts of packet sizes, tcp/udp)
> >>
> >> Saint K. ________________________________________ From:
> >> [email protected]
> >> [[email protected]] On Behalf Of Andrew
> >> Armitage [[email protected]] Sent: 25 July 2011 09:36 To:
> >> [email protected] Subject: Re: [hlds_linux] cpu on i7
> >> 920
> >>
> >> Maybe the issue is the network hardware? HLDS is very network
> >> intensive.
> >>
> >> I believe that some cards support checksum offloading and some
> >> don't.
> >>
> >> A
> >>
> >> On 25/07/2011 07:28, Saint K. wrote:
> >>> What I am still not getting is that our Xeon E5420's are doing
> >>> like 70-80% load on a single core for 24 players, and our Xeon
> >>> E5410's 90%+, where you say your older 4600+ does 70%.
> >>>
> >>> Tried all sorts of different kernels out there.
> >>>
> >>> Is there perhaps certain BIOS settings which could benefit when
> >>> running gameservers on them?
> >>>
> >>> Ours surely should perform much better then that?
> >>>
> >>> Saint K. ________________________________________ From:
> >>> [email protected]
> >>> [[email protected]] On Behalf Of Jesse
> >>> Molina [[email protected]] Sent: 25 July 2011 05:15 To:
> >>> Half-Life dedicated Linux server mailing list Subject: Re:
> >>> [hlds_linux] cpu on i7 920
> >>>
> >>> I have a AMD Phenom x6 1055T doing multiple servers at the same
> >>> time. TF2 causes the active core to go to 100% for about two
> >>> seconds during map changes, but otherwise I've never seen it go
> >>> that high for extended periods of time.  Average during full
> >>> 24-player usage is about 40%.
> >>>
> >>> I also have an older AMD Athlon64 x2 4600+ that runs a single
> >>> 24-player TF2 quickplay server.  It averages 70% usage when full
> >>> and gameplay is great.
> >>>
> >>> Both of these are desktop class boards with DDR2 PC800M RAM.
> >>> Linux 2.6.39.
> >>>
> >>> Try watching your CPU usage at (relatively) high resolution with
> >>> something like "htop -d 1"
> >>>
> >>> No clue why you are maxing out like that.
> >>>
> >>>
> >>>
> >>> Eric Riemers wrote:
> >>>> All,
> >>>>
> >>>> I run a 32 slots server on a i7 920 @ 2.67ghz, but i can see
> >>>> with top and such that its potentially maxing out at 100% at
> >>>> times since it only uses one core. Is it really now doing so much
> >>>> cpu that even a i7 core isn't enough? Didn't have much complaints
> >>>> before the pew pew.
> >>>>
> >>>> 24 slots on the same server do around 60% when full.
> >>>>
> >>>> Eric
> >>>>
> >>>>
> >>>> _______________________________________________ To unsubscribe,
> >>>> edit your list preferences, or view the list archives, please
> >>>> visit: http://list.valvesoftware.com/mailman/listinfo/hlds_linux
> >>>
> >>> -- # Jesse Molina # Mail = [email protected] # Page =
> >>> [email protected] # Cell = 1.602.323.7608 # Web  =
> >>> http://www.opendreams.net/jesse/
> >>>
> >>>
> >>>
> >>> _______________________________________________ To unsubscribe,
> >>> edit your list preferences, or view the list archives, please
> >>> visit: http://list.valvesoftware.com/mailman/listinfo/hlds_linux
> >>>
> >>> _______________________________________________ To unsubscribe,
> >>> edit your list preferences, or view the list archives, please
> >>> visit: http://list.valvesoftware.com/mailman/listinfo/hlds_linux
> >>
> >>
> >> _______________________________________________ To unsubscribe, edit
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> >>
> >> _______________________________________________ To unsubscribe, edit
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> >
> >
> > _______________________________________________
> > To unsubscribe, edit your list preferences, or view the list archives, 
> > please visit:
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> >
> > _______________________________________________
> > To unsubscribe, edit your list preferences, or view the list archives, 
> > please visit:
> > http://list.valvesoftware.com/mailman/listinfo/hlds_linux
>
> --
> # Jesse Molina
> # Mail = [email protected]
> # Page = [email protected]
> # Cell = 1.602.323.7608
> # Web  = http://www.opendreams.net/jesse/
>
>
>
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