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 Forum index » Advanced Topics » Puppy Derivatives
LxPupSc - Woof-CE, Slackware-Current, LXDE experiment
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Marv


Joined: 04 May 2005
Posts: 1089
Location: SW Wisconsin

PostPosted: Fri 19 Oct 2018, 10:16    Post subject:  

Moat wrote:
I recently was reading about some newly developed CPU use (idle, mostly?) efficiency improvements added to the =>17.x kernels - wondering if you guys are seeing any noticeable positive differences in that regard...? (Marv?) Apparently up to 20% increase in laptop battery life in some use cases.

Bob
I do keep an eye on CPU use at idle as I move up in kernels but haven't done any battery run-down tests in a long time. It's kind of a bear to keep the variables down enough to get meaningful data without a LOT of work. On my workhorse second generation i5 laptop the idle use is down to 1% to 3% depending on the pup and pretty stable throughout the 4.17/4.18 set of kernels I've updated through. At those levels I couldn't see a 20% change at any rate. Where I do see a real and quantifiable difference in idle CPU use is between the upupbb/upupcc pups (I run them with pcmanfm integrated without GVFS and with a pretty stock JWM) and the slacko based LxPups. Being careful about governors, tray contents, Lxtask update setting etc. the upups independent of kernel always come in at 1% idle cpu while the LXDE/slacko based pups come in at 2% to 3%. Is it LXDE overhead vs JWM? Maybe, but my feeling is that the real culprit is the GVFS, my longtime nemesis. That difference might show up in battery use if a laptop was left at idle but do we ever really do that? I just lid-suspend even for a brief pause, really cutting power use, and the newer kernels have gotten good enough at that so whatever I'm doing resumes perfectly. Also hard to quantify, but a lot of work has been done on governors and power management in the more recent kernels and that plays very well on my 'hair trigger fan' Fujitsu laptops. IMO those changes are real and positive and would swamp any CPU idle changes.

Just my thoughts,

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Pups currently in kennel Very Happy LxPupSc and X-slacko-4.4 for my users; LxPupSc, LxPupSc64, LxPupBionic, upupbb and upupcc for me. All good pups indeed, and all running savefiles for look'n'feel only. Browsers, etc. solely from SFS.
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Moat


Joined: 16 Jul 2013
Posts: 930
Location: Mid-mitten

PostPosted: Fri 19 Oct 2018, 20:11    Post subject:  

Thanks, Marv. Yeah, it seems the real-world savings of the kernel tweaks I mentioned probably would be most useful in an infrequently-accessed server situation, where idle times might be considerable. I suppose the power $avings for a big $erver farm could really add up in the off-peak hour$. Of little meaning to most of us, though - as you mentioned.

Marv wrote:
Also hard to quantify, but a lot of work has been done on governors and power management in the more recent kernels and that plays very well on my 'hair trigger fan' Fujitsu laptops. IMO those changes are real and positive and would swamp any CPU idle changes.


Just out of curiosity, more than anything... from which version of "more recent kernels" would you say, in your estimation?

Marv wrote:
... but my feeling is that the real culprit is the GVFS, my longtime nemesis.


Laughing Still...?! GNOME has to get their dirty little fingers in everything, it seems. Delete all the GVFS bins/libs and see what happens! Laughing

Bob
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Marv


Joined: 04 May 2005
Posts: 1089
Location: SW Wisconsin

PostPosted: Fri 19 Oct 2018, 21:18    Post subject:  

@Moat, Regarding GVFS, I guess I would have to admit it has gotten less obtrusive over time. I did try partial/total prunes at one time but it's pretty woven into both LXDE/PcManFM and XFCE/Thunar. I had a little cache and gvfs-metadata cleanup script I used for a while as a crond script when gvfs-metadata was at its CPU cookin worst (think it is still running on the one desktop I have still running X-Slacko 4.4). Now that I have PCManFM quite well integrated into the upups I tend to just use one of those for the snap and really ,unless you are me Rolling Eyes, the new slacko derivs are fine also.

The when on the kernel is a bit of a headscratcher as the changes were gradual. I'll scratch a bit and see if I can come up with a number. IIRC, much of the improvement in governors and recovery from suspend was present just prior to the meltdown kerfuffle and then the kernel numbers just flew by for a while. On my current hardware, even the core 2 duo lappies, personally I can't find much reason not to use the most recent 4.18.15 64b or the 4.9.134 32b. The Pentium Ms I'm sure would be another story

@peebee, Since I'm here, the 4.18.15-lxpup64 kernel is running without a hitch on lxpup64 18.06 +9. The usual video FPS, sound and SNS connection, idle cpu % and mem use, look at Dmesg, suspend shutdown & reboot tests done (no optical drive on this lappie). Posting from that on the i5 now running Slimjet 20.0.4.0.

Edit: The 4.18.15-lxpup64 kernel also tested as above in LxPupSc 18.06 +6.

Cheers,

_________________
Pups currently in kennel Very Happy LxPupSc and X-slacko-4.4 for my users; LxPupSc, LxPupSc64, LxPupBionic, upupbb and upupcc for me. All good pups indeed, and all running savefiles for look'n'feel only. Browsers, etc. solely from SFS.
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peebee


Joined: 21 Sep 2008
Posts: 3535
Location: Worcestershire, UK

PostPosted: Sun 21 Oct 2018, 04:27    Post subject:  

Kernel Release: 4.18.16-lxpup64
Build Date: Sun Oct 21 07:54:52 BST 2018
Build GCC: 8.2.0
OS Support: GNU/Linux
Architecture: x86_64
SMP Enabled: Yes

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peebee


Joined: 21 Sep 2008
Posts: 3535
Location: Worcestershire, UK

PostPosted: Mon 22 Oct 2018, 07:44    Post subject:  

Kernel Release: 4.19.0-lxpup64
Build Date: Tue Oct 23 12:02:20 BST 2018
Build GCC: 8.2.0
OS Support: GNU/Linux
Architecture: x86_64
SMP Enabled: Yes

4.19 is next Long Term Release

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DevilMind

Joined: 20 Sep 2018
Posts: 5

PostPosted: Tue 23 Oct 2018, 07:36    Post subject:  

peebee wrote:
Kernel Release: 4.19.0-lxpup64
Build Date: Tue Oct 23 12:02:20 BST 2018
Build GCC: 8.2.0
OS Support: GNU/Linux
Architecture: x86_64
SMP Enabled: Yes

4.19 is next Long Term Release


hello peebee, from where can i download this latest version?
thank you
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Marv


Joined: 04 May 2005
Posts: 1089
Location: SW Wisconsin

PostPosted: Tue 23 Oct 2018, 09:06    Post subject:  

@Devilmind- It's available here https://sourceforge.net/projects/lxpup/files/Other/LxPupSc/interims/, usually linked every few kernel announcements in this thread:

@peebee- I have 4.19.0-lxpup64 installed and running in the most recent LxPupSc and lxpupsc64 on the Fujitsu S761 i5 laptop. Tested as in my post above. Posting from that lxpupsc64 now (with the help of the cAT).

Cheers,

_________________
Pups currently in kennel Very Happy LxPupSc and X-slacko-4.4 for my users; LxPupSc, LxPupSc64, LxPupBionic, upupbb and upupcc for me. All good pups indeed, and all running savefiles for look'n'feel only. Browsers, etc. solely from SFS.
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Billtoo


Joined: 07 Apr 2009
Posts: 3609
Location: Ontario Canada

PostPosted: Tue 23 Oct 2018, 13:14    Post subject:  

@peebee

I'm running the new kernel on a Slacko64 install:

video-info-glx 1.5.3 Tue 23 Oct 2018 on Slacko64 Puppy 6.9.9.9 Linux 4.19.0-lxpup64 x86_64
0.0 VGA compatible controller: NVIDIA Corporation GF108 [GeForce GT 430] (rev a1)

X Server: Xorg Driver: nouveau
X.Org version: 1.18.3
dimensions: 1920x1080 pixels (508x285 millimeters)
depth of root window: 24 planes

direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
OpenGL vendor string: nouveau
OpenGL renderer string: Gallium 0.4 on NVC1
OpenGL core profile version string: 4.1 (Core Profile) Mesa 11.2.2

Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
Core 0: @1595 1: @1602 2: @1653 3: @1607 MHz

Streaming video in Kodi,Smplayer-Smtube,and Vlc is very good with the nouveau driver, no tearing.

Thanks
------------------------------------------------
EDIT:
Been running for just over 9 1/2 hours.
Works great.
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DevilMind

Joined: 20 Sep 2018
Posts: 5

PostPosted: Wed 24 Oct 2018, 07:01    Post subject:  

Marv wrote:
@Devilmind- It's available here https://sourceforge.net/projects/lxpup/files/Other/LxPupSc/interims/, usually linked every few kernel announcements in this thread:

@peebee- I have 4.19.0-lxpup64 installed and running in the most recent LxPupSc and lxpupsc64 on the Fujitsu S761 i5 laptop. Tested as in my post above. Posting from that lxpupsc64 now (with the help of the cAT).

Cheers,


how do i apply kernel 4.19.0-lxpup64 .
i have downloaded the file huge-4.19.0-lxpup64.tar.bz2, now how to update the Kernel? this is a ARCHIVED file...

thank you
waiting for your response
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peebee


Joined: 21 Sep 2008
Posts: 3535
Location: Worcestershire, UK

PostPosted: Wed 24 Oct 2018, 14:21    Post subject:  

DevilMind wrote:
now how to update the Kernel?


Either use the change_kernels gui app:
http://www.murga-linux.com/puppy/viewtopic.php?p=865791#865791

or do it manually:
http://murga-linux.com/puppy/viewtopic.php?p=962502#962502

you can usually find advice yourself by searching the forum:
https://puppylinux.org/wikka/PuppyLinuxSearchEngine

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peebee


Joined: 21 Sep 2008
Posts: 3535
Location: Worcestershire, UK

PostPosted: Fri 26 Oct 2018, 07:09    Post subject:  

Interim delta to 18.06+7
.iso md5 = b187b1b0e1116e54997a0e77b48bf9c9 LxPupSc-18.06+7M-k64.iso

SlackwareCurrent to Thu Oct 25 19:21:09 UTC 2018

kernel 4.19.1 also available

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Last edited by peebee on Mon 05 Nov 2018, 08:33; edited 1 time in total
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Marv


Joined: 04 May 2005
Posts: 1089
Location: SW Wisconsin

PostPosted: Sat 27 Oct 2018, 22:30    Post subject:  

peebee wrote:

kernel 4.19.0 also available


After using it for a bit, I have one pretty minor quirk with 4.19.0. It shows up (only the i5 laptop tested) running it in either the most recent lxpupsc64 or LxPupSc. Swapping in 4.18.16 (the last in the 4.18 series ?), your 64b in lxpupsc64 and both your 64b and rockedges 32b 4.18.16 in LxPupSc it is not present. It is also not present with the stock kernels in either. Running performance using 4.19.0 is excellent though video FPS on the i5 was measurably better under 4.18.16. No other glitches or hitches seen in either pup under 4.19.0.

The quirk is that on shutdown with the eventmanager set to 0 and ask, the save dialog box isn't displayed centered correctly. Something about getting out of X with that kernel? Hardware dependent? I dunno. Adding --begin 0 0 to the dialog in rc.shutdown eliminates the false shadows. Pretty minor growing pains but reproducible and real. I'll test follow-ons but see 4.18.16 as a bit more stable for now.

Cheers,

_________________
Pups currently in kennel Very Happy LxPupSc and X-slacko-4.4 for my users; LxPupSc, LxPupSc64, LxPupBionic, upupbb and upupcc for me. All good pups indeed, and all running savefiles for look'n'feel only. Browsers, etc. solely from SFS.
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peebee


Joined: 21 Sep 2008
Posts: 3535
Location: Worcestershire, UK

PostPosted: Mon 05 Nov 2018, 08:33    Post subject:  

Kernel Release: 4.19.1-lxpup64
Build Date: Mon Nov 5 07:17:12 GMT 2018
Build GCC: 8.2.0
OS Support: GNU/Linux
Architecture: x86_64
SMP Enabled: Yes

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peebee


Joined: 21 Sep 2008
Posts: 3535
Location: Worcestershire, UK

PostPosted: Wed 14 Nov 2018, 12:46    Post subject:  

Kernel Release: 4.19.2-lxpup64
Build Date: Wed Nov 14 07:09:09 GMT 2018
Build GCC: 8.2.0
OS Support: GNU/Linux
Architecture: x86_64
SMP Enabled: Yes

'New' config from Fatdog64 (with thanks - inc. rtsx card drivers)
aufs-4.19 released

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