I will attempt to get a few vprof dumps and post them here.
________________________________
From: Fletcher Dunn <fletch...@valvesoftware.com>
To: "hlds_li...@list.valvesoftware.com" <hlds_li...@list.valvesoftware.com>;
Half-Life dedicated Win32 server mailing list <hlds@list.valvesoftware.com>
Sent: Monday, May 13, 2013 2:09:14 PM
Subject: Re: [hlds] [hlds_linux] TF2 server performance spikes
Has anybody used vprof spike mode? This sort of problem is pretty much exactly
what it was designed to investigate.
E.g.
vprof_on
vprof_dump_spikes 20 // dump a vprof report if frame rate drops below 20
If the problem is caused by network traffic, using the -netspike command line
argument can also be used to dig deeper into exactly what entity data is being
sent.
If you have a report and you don't know how to interpret it, you can email it
to me or post it here, I'm sure there are some people who can help analyze it.
-----Original Message-----
From: hlds_linux-boun...@list.valvesoftware.com
[mailto:hlds_linux-boun...@list.valvesoftware.com] On Behalf Of Bjorn Wielens
Sent: Monday, May 13, 2013 9:42 AM
To: Half-Life dedicated Win32 server mailing list;
hlds_li...@list.valvesoftware.com
Subject: Re: [hlds_linux] [hlds] TF2 server performance spikes
Correct, I was one of the folks discussing this in the last round of messages
and we run on Linux. Since my last message about having disabled replays I
still get occasional hiccups in a full server, but nowhere near as bad as
before, owing to the lack of replay overhead.
I'd be happy to run diagnostics if they were available for Linux, but alas
that's not the case.
________________________________
From: Alex Kowald <abkow...@gmail.com>
To: Half-Life dedicated Win32 server mailing list <hlds@list.valvesoftware.com>
Sent: Monday, May 13, 2013 1:16:04 PM
Subject: Re: [hlds] TF2 server performance spikes
You are only accepting traces for windows servers correct? Some of the people
that have complained are running linux. I have the issue myself on two
independent servers. We get this new game studder after upgrading, leaving
everything else the same.
On Mon, May 13, 2013 at 12:11 PM, Fletcher Dunn <fletch...@valvesoftware.com>
wrote:
I do have a theory about the cause of the CPU spikes. I’ll release a build
with the next mandatory update (which will probably be this afternoon) that I
think could address the problem. But since we are not reproducing the problem
here, this is just a theory, not disciplined engineering.
>
>In order to conduct disciplined engineering, we need data from those who are
>able to reproduce it. Judging by the amount of discussion this problem has
>generated and the relatively small amount of effort that is required in order
>to get the data to us, I’m really surprised we haven’t received more traces.
>
>I have given out vtrace keys to every person who has asked for one. So far we
>have received traces from exactly two (2) server operators. One server
>operator had processor affinities set, the other was running a high number of
>instances per core, such that the average CPU utilization was high and there
>was no headroom for more than one process to spike.
>
>
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>
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