This is s a fork of ananicy project https://github.com/Nefelim4ag/Ananicy.git w/o any systemd dependencies
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linuxer 2c28bc2db8
updated rules from master commit
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Runit nonsystemd commit, OpenRC, Runit and s6 folders contain the services 2 years ago
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README.md

ananicy-nosystemd is a fork of ananicy for Artix Linux

Description

Ananicy (ANother Auto NICe daemon) — is a shell daemon created to manage processes' IO and CPU priorities, with community-driven set of rules for popular applications (anyone may add his own rule via github's pull request mechanism).

I think it's only for desktop usage.

I just wanted a tool for auto set programs nice in my system, i.e.:

  • Why do I have a lags, while compiling kernel and playing a game?
  • Why does dropbox client eat all my IO?
  • Why does torrent/dc client make my laptop run slower?
  • ...

Use ananicy to fix this problems!

Versions

X.Y.Z where
X - Major version,
Y - Script version - reset on each major update
Z - Rules version - reset on each script update

Read more about semantic versioning here

Configuration

Rules files should be placed under /etc/ananicy.d/ directory and have *.rules extension. Inside .rules file every process is described on a separate line, general syntax is described below:

{ "name": "gcc", "type": "Heavy_CPU", "nice": 19, "ioclass": "best-effort", "ionice": 7, "cgroup": "cpu90" }

All fields except 'name' are optional.

'name' used for match processes by exec bin name

~ basename $(sudo realpath /proc/1/exe)
systemd

Currently match by other things, not supported.

You can check what Ananicy see, by:

ananicy dump proc

Ananicy load all rules in ram while starting, so to apply rules, you must restart service.

Available ionice values:

$ man ionice

Simple rules for writing rules

CFQ IO Scheduller also use 'nice' for internal scheduling, so it's mean processes with same IO class and IO priority, but with different nicceness will take advantages of 'nice' also for IO.

  1. Try don't chage 'nice' of system wide process like initrd.
  2. Please try use full process name (or name with ^$ symbols like NAME=^full_name$)
  3. When writing rule - try use only 'nice', it must be enough in most cases.
  4. Don't try set to high priority! Niceness can fix some performance problems, but can't give you more. Example: pulseaudio uses 'nice' -11 by default, if you set other cpu hungry task, with 'nice' {-20..-12} you can catch a sound glitches.
  5. For CPU hungry backround task like compiling, just use NICE=19.

About IO priority:

  1. It's usefull use '{"ioclass": "idle"}' for IO hungry background tasks like: file indexers, Cloud Clients, Backups and etc.
  2. It's not cool set realtime to all tasks. The RT scheduling class is given first access to the disk, regardless of what else is going on in the system. Thus the RT class needs to be used with some care, as it can starve other processes. So try use ioclass first.

Missing schedtool

If you see this error in the output

Jan 24 09:44:18 tony-dev ananicy[13783]: ERRO: Missing schedtool! Abort!

Fix it in Ubuntu with

sudo apt install schedtool

Submitting new rules

Please use pull request, thanks