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low-latency kernel

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Stevo
Developer
Posts: 12745
Joined: Fri Dec 15, 2006 8:07 pm

Re: low-latency kernel

#11 Post by Stevo »

It would be cool if we had a snapshot of MX with everything already set up for AV work, including the kernel, jack, and applications. I suppose we could remove Libreoffice to keep it close to the same size.

I really haven't noticed any big loss of battery life when switching between the Debian-style and Liquorix kernels on my laptop, also.

eltuno
Posts: 37
Joined: Fri Feb 23, 2018 10:56 am

Re: low-latency kernel

#12 Post by eltuno »

Stevo wrote: Sat Jun 16, 2018 2:06 pm It would be cool if we had a snapshot of MX with everything already set up for AV work, including the kernel, jack, and applications. I suppose we could remove Libreoffice to keep it close to the same size.

I really haven't noticed any big loss of battery life when switching between the Debian-style and Liquorix kernels on my laptop, also.
Yep! just what I thought and intended to do actually

I've just bought a new USB stick yesterday to create a new live system.

sunrat's last post looks like a good starting point :)

aldQueiroz
Posts: 163
Joined: Wed Jul 24, 2019 2:58 pm

Re: low-latency kernel

#13 Post by aldQueiroz »

Hi, here I am again looking for advice!
My current system isn't exactly "new"... On the contrary, it is an old mother-board, using and old Dual Core model: AMD Athlon II X2 240 processor too (and with the addition of a simple, low resource Video-card I've got jut to have HDMI output, then using a TV as monitor -- 1920x1080 60 Hz !):

Code: Select all

Snapshot created on: 20210111_1539
System:    Host: <filter> Kernel: 5.10.0-8.1-liquorix-amd64 x86_64 bits: 64 compiler: N/A 
           parameters: audit=0 intel_pstate=disable 
           BOOT_IMAGE=/boot/vmlinuz-5.10.0-8.1-liquorix-amd64 
           root=UUID=<filter> ro audit=0 intel_pstate=disable splash 
           quiet 
           Desktop: Xfce 4.14.2 tk: Gtk 3.24.5 info: xfce4-panel wm: xfwm4 dm: LightDM 1.26.0 
           Distro: MX-19.3_ahs_x64 patito feo February 15  2019 
           base: Debian GNU/Linux 10 (buster) 
Machine:   Type: Desktop Mobo: ASUSTeK model: M5A78L-M LX/BR v: Rev X.0x serial: <filter> 
           BIOS: American Megatrends v: 1101 date: 04/19/2013 
CPU:       Topology: Dual Core model: AMD Athlon II X2 240 bits: 64 type: MCP arch: K10 
           family: 10 (16) model-id: 6 stepping: 2 microcode: 10000C7 L2 cache: 2048 KiB 
           flags: lm nx pae sse sse2 sse3 sse4a svm bogomips: 11250 
           Speed: 800 MHz min/max: 800/2800 MHz Core speeds (MHz): 1: 800 2: 2800 
           Vulnerabilities: Type: itlb_multihit status: Not affected 
           Type: l1tf status: Not affected 
           Type: mds status: Not affected 
           Type: meltdown status: Not affected 
           Type: spec_store_bypass status: Not affected 
           Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer sanitization 
           Type: spectre_v2 mitigation: Full AMD retpoline, STIBP: disabled, RSB filling 
           Type: srbds status: Not affected 
           Type: tsx_async_abort status: Not affected 
Graphics:  Device-1: AMD Cedar [Radeon HD 5000/6000/7350/8350 Series] 
           vendor: Hightech Information System driver: radeon v: kernel bus ID: 01:00.0 
           chip ID: 1002:68f9 
           Display: x11 server: X.Org 1.20.9 driver: ati,radeon unloaded: fbdev,modesetting,vesa 
           resolution: 1920x1080~60Hz 
           OpenGL: renderer: AMD CEDAR (DRM 2.50.0 / 5.10.0-8.1-liquorix-amd64 LLVM 10.0.0) 
           v: 3.3 Mesa 20.1.8 compat-v: 3.1 direct render: Yes 
Audio:     Device-1: AMD SBx00 Azalia vendor: ASUSTeK driver: snd_hda_intel v: kernel 
           bus ID: 00:14.2 chip ID: 1002:4383 
           Device-2: AMD Cedar HDMI Audio [Radeon HD 5400/6300/7300 Series] 
           vendor: Hightech Information System driver: snd_hda_intel v: kernel bus ID: 01:00.1 
           chip ID: 1002:aa68 
           Device-3: Logitech OrbiCam type: USB driver: snd-usb-audio,uvcvideo bus ID: 1-3:2 
           chip ID: 046d:0892 serial: <filter> 
           Sound Server: ALSA v: k5.10.0-8.1-liquorix-amd64 
Network:   Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet 
           vendor: ASUSTeK P8P67 and other motherboards driver: r8169 v: kernel port: e800 
           bus ID: 02:00.0 chip ID: 10ec:8168 
           IF: eth0 state: up speed: 1000 Mbps duplex: full mac: <filter> 
Drives:    Local Storage: total: 1.02 TiB used: 96.45 GiB (9.2%) 
           ID-1: /dev/sda vendor: Western Digital model: WD10EZEX-00RKKA0 size: 931.51 GiB 
           block size: physical: 4096 B logical: 512 B speed: 3.0 Gb/s serial: <filter> 
           rev: 0A80 scheme: MBR 
           ID-2: /dev/sdb vendor: Kingston model: SA400S37120G size: 111.79 GiB block size: 
           physical: 512 B logical: 512 B speed: 3.0 Gb/s serial: <filter> rev: B1E2 scheme: MBR 
Partition: ID-1: / raw size: 55.89 GiB size: 54.77 GiB (97.98%) used: 15.17 GiB (27.7%) fs: ext4 
           dev: /dev/sdb1 
           ID-2: /home raw size: 435.66 GiB size: 427.82 GiB (98.20%) used: 81.28 GiB (19.0%) 
           fs: ext4 dev: /dev/sda3 
Sensors:   System Temperatures: cpu: 44.1 C mobo: N/A gpu: radeon temp: 47 C 
           Fan Speeds (RPM): N/A gpu: radeon fan: 0 
Repos:     No active apt repos in: /etc/apt/sources.list 
           Active apt repos in: /etc/apt/sources.list.d/debian-stable-updates.list 
           1: deb http://mirror.unesp.br/debian/ buster-updates main contrib non-free
           Active apt repos in: /etc/apt/sources.list.d/debian.list 
           1: deb http://mirror.unesp.br/debian/ buster main contrib non-free
           2: deb http://deb.debian.org/debian-security/ buster/updates main contrib non-free
           3: deb http://mirror.unesp.br/debian/ buster-backports non-free contrib main
           Active apt repos in: /etc/apt/sources.list.d/google-chrome.list 
           1: deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main
           Active apt repos in: /etc/apt/sources.list.d/mx.list 
           1: deb http://sft.if.usp.br/mx-workspace/mx/repo/ buster main non-free
           2: deb http://sft.if.usp.br/mx-workspace/mx/repo/ buster ahs
           Active apt repos in: /etc/apt/sources.list.d/skype-stable.list 
           1: deb [arch=amd64] https://repo.skype.com/deb stable main
           No active apt repos in: /etc/apt/sources.list.d/softmaker.list 
           No active apt repos in: /etc/apt/sources.list.d/various.list 
           Active apt repos in: /etc/apt/sources.list.d/vivaldi.list 
           1: deb http://repo.vivaldi.com/stable/deb/ stable main
Info:      Processes: 233 Uptime: 43m Memory: 7.77 GiB used: 2.23 GiB (28.7%) Init: SysVinit 
           v: 2.93 runlevel: 5 default: 5 Compilers: gcc: 8.3.0 alt: 8 Shell: quick-system-in 
           running in: quick-system-in inxi: 3.0.36 
I've got a SSD , but it's limited to 3Gb/s due to SATA specs of the motherboard...The 8 Gb DDR3 RAM also isn't fast...
I'm even considering to buy a "new" processor (AM3+ scoket, Quad-core+, 8 Mb+ Cache...) to replace the current one and get better responsiveness...Sometimes my system gets freakishly slow, and I've being experiencing even freezing when working with many open tabs in Firefox... ! But a friend of mine (and my Linux tutor !) insisted that I tried another low-latency kernel before expending more money...!!
The problem is: for the specifications of my system, which would be the best kernel to use? And where to get it ?!... MX Package Installer makes quite simple to install/uninstall apps and usual kernel options, but it doesn't help about how to choose the best kernel; it doesn't bring useful information about each kernel option...!
Further, there is also the matter of boot instructions! Again, for a newbie (like me), what to add into GRUB config or whatever handles boot options in order to "cut-off the crap" and keep what really matters, doing the system work smooth and responsively?...

One important point: I don't want to use systyemd! ...

I look forward to have your comments and suggestions!
Regards!
Last edited by aldQueiroz on Thu Feb 04, 2021 3:13 pm, edited 2 times in total.

Huckleberry Finn

Re: low-latency kernel

#14 Post by Huckleberry Finn »

In general, old kernels ( for now: antiX 4.9.240 or Debian 4.9 ) work better or lighter on old hardware especially single / dual cores..

But afaik , just installing a low latency kernel won't be enough as the cpu also needs to be capable of that.

kultex
Posts: 114
Joined: Fri Feb 05, 2021 5:30 pm

Re: low-latency kernel

#15 Post by kultex »

Stevo wrote: Sat Jun 16, 2018 2:06 pm It would be cool if we had a snapshot of MX with everything already set up for AV work, including the kernel, jack, and applications.
See http://www.bandshed.net/avlinux/

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