scx_rustland is Linux scheduler made of a BPF component (dispatcher) that implements the low level sched-ext functionalities and a user-space counterpart (scheduler), written in Rust, that implements the actual scheduling policy.
In order to use scx_rustland you need to install the latest Ubuntu kernel from this ppa: https://launchpad.net/~arighi/+archive/ubuntu/sched-ext
Please ensure that the following interfaces are connected to grant the scheduler complete resource access:
sudo snap connect scx-rustland:process-control
sudo snap connect scx-rustland:system-observe
sudo snap connect scx-rustland:system-trace
Also make sure that compaction kthread does not reclaim unevictable memory to improve scheduler's stability:
echo 0 | sudo tee /proc/sys/vm/compact_unevictable_allowed
The scheduler is designed to prioritize interactive workloads over background CPU-intensive workloads. For this reason the typical use case involves low-latency interactive applications, such as gaming, video conferencing and live streaming.
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Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
On Arch Linux, snap can be installed from the Arch User Repository (AUR). The manual build process is the Arch-supported install method for AUR packages, and you’ll need the prerequisites installed before you can install any AUR package. You can then install snap with the following:
git clone https://aur.archlinux.org/snapd.git
cd snapd
makepkg -si
Once installed, the systemd unit that manages the main snap communication socket needs to be enabled:
sudo systemctl enable --now snapd.socket
If AppArmor is enabled in your system, enable the service which loads AppArmor profiles for snaps:
sudo systemctl enable --now snapd.apparmor.service
To enable classic snap support, enter the following to create a symbolic link between /var/lib/snapd/snap and /snap:
sudo ln -s /var/lib/snapd/snap /snap
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
To install scx-rustland, simply use the following command:
sudo snap install scx-rustland --edge
Browse and find snaps from the convenience of your desktop using the snap store snap.
Interested to find out more about snaps? Want to publish your own application? Visit snapcraft.io now.