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Ant P.
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Joined: 18 Apr 2009
Posts: 5877

PostPosted: Sat Oct 29, 2016 4:42 am    Post subject: Reply with quote

Got all my machines running 4.8.5 + MuQSS 0.120, along with the recommended 100Hz setting. Haven't tried switching my desktop back to BFQ yet but everything else is running it no problem.

Code:
 $ \time emerge -DptvuN --with-bdeps=y @world
60.79user 1.00system 0:58.83elapsed 105%CPU (0avgtext+0avgdata 230980maxresident)k
0inputs+0outputs (0major+124566minor)pagefaults 0swaps

A second faster again, not bad...
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ycUygB1
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Joined: 27 Jul 2005
Posts: 276
Location: Portland, Oregon

PostPosted: Fri Nov 04, 2016 11:50 pm    Post subject: Reply with quote

I have added sys-kernel/ck-sources-4.8.6-r1 to my overlay. This includes MuQSS version 0.135

http://ck-hack.blogspot.com/2016/11/linux-48-ck6-muqss-version-0135.html
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Voyl
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Joined: 06 Nov 2016
Posts: 2
Location: Lisbon

PostPosted: Sun Nov 06, 2016 11:52 am    Post subject: Reply with quote

Thanks for the overlay, I'm really enjoying Mucus so far.
Could we have cpu patches back though? :)
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Naib
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Joined: 21 May 2004
Posts: 5671
Location: Removed by Neddy

PostPosted: Sun Nov 06, 2016 12:00 pm    Post subject: Reply with quote

personally I just patch -p1 < ... and use gentoo-sources
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ycUygB1
Apprentice
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Joined: 27 Jul 2005
Posts: 276
Location: Portland, Oregon

PostPosted: Sun Nov 06, 2016 5:39 pm    Post subject: Reply with quote

Voyl wrote:
Could we have cpu patches back though? :)


Give sys-kernel/ck-sources-4.8.6-r2 a try.
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ycUygB1
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Joined: 27 Jul 2005
Posts: 276
Location: Portland, Oregon

PostPosted: Sat Nov 12, 2016 4:54 pm    Post subject: Reply with quote

I have uploaded sys-kernel/ck-sources-4.8.7-r1 to my overlay. This contains MuQSS v 0.140.

http://ck-hack.blogspot.com/2016/11/linux-48-ck7-muqss-version-0140.html

Please note that Con is issuing a warning about combining BTRFS and BFQ.
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Juippisi
Developer
Developer


Joined: 30 Sep 2005
Posts: 361
Location: /home

PostPosted: Sat Nov 12, 2016 5:18 pm    Post subject: Reply with quote

hnaparst wrote:
Please note that Con is issuing a warning about combining BTRFS and BFQ.


Quote:

The -ck release also includes an updated version of BFQ. Along with this updated version, I would like to issue a warning regarding BFQ. I have heard rumour that a number of users have reported filesystem corruption with the combination of BTRFS and BFQ. If you are using this filesystem, I urge you to not compile in BFQ at all, or at the very least not make it default to BFQ, using it selectively on devices you are running a different filesystem (I still recommend people use ext4.) I would like to encourage users who have run into this problem to report it to the BFQ maintainer.


Thanks for bringing out this info. I have all of my filesystems as BTRFS and it got me a bit worried now, might be a time to drop BFQ for a while.
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saboya
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Joined: 28 Nov 2006
Posts: 445
Location: Brazil

PostPosted: Mon Nov 14, 2016 1:26 am    Post subject: Reply with quote

Hi, new to the thread. Quick question about Hz.

I was unaware that 100Hz was the recommended value for MuQSS, I was rolling with 1000. Upon discovering that, I promptly compiled a 100Hz version to test, and boot time went up significantly, especially gdm loading screen.

Now, my PC is plenty fast, so itś not unbearable, just not crazy fast like it was before. My question is: Is this expected? I'm more than happy trading off boot time for better performance overall, but from my limited testing it only seems that the boot got slower. Is there something that I might be missing, some other kernel parameters that could be wrong?

Thanks in advance.
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kernelOfTruth
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Joined: 20 Dec 2005
Posts: 6108
Location: Vienna, Austria; Germany; hello world :)

PostPosted: Mon Nov 14, 2016 2:01 pm    Post subject: Reply with quote

If you followed the comments section over at Con's blog:

all these Hz-dependent issues are bugs of the software relying on the tickrate,

so if you're using many of that kind of software best would be to go back to 1000Hz or test out 300Hz
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Ant P.
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Joined: 18 Apr 2009
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PostPosted: Tue Nov 15, 2016 6:08 am    Post subject: Reply with quote

I can't say I've ever experienced data loss with BTRFS+BFQ. That one failure to boot a few days ago, sure. Maybe it only shows up with RAID?
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ycUygB1
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Joined: 27 Jul 2005
Posts: 276
Location: Portland, Oregon

PostPosted: Tue Nov 22, 2016 8:15 pm    Post subject: Reply with quote

The new version of ck-sources-4.8.10 corresponds to MuQSS v.0.144.

http://ck-hack.blogspot.com/2016/11/linux-48-ck8-muqss-version-0144.html

The recommended frequency is now 128 Hz.
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saboya
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Joined: 28 Nov 2006
Posts: 445
Location: Brazil

PostPosted: Wed Nov 23, 2016 11:29 am    Post subject: Reply with quote

This latest version fixed the gdm boot delay for me. I believe it's related to nvidia-drivers. Probably this change:

Quote:
For the -ck patch only I've reinstated updated and improved versions of the high resolution timeouts to improve behaviour of userspace that is inappropriately Hz dependent allowing low Hz choices to not affect latency.
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fberger
Tux's lil' helper
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Joined: 04 Dec 2006
Posts: 85
Location: Germany

PostPosted: Thu Jan 12, 2017 3:30 pm    Post subject: Reply with quote

Overlay added, -ck with MuQSS + BFQ running without problems, me happy.

Thanks for your work!
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