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.
Snap can be installed from the command line on openSUSE Leap 15.x and Tumbleweed.
You need first add the snappy repository from the terminal. Choose the appropriate command depending on your installed openSUSE flavor.
Tumbleweed:
sudo zypper addrepo --refresh https://download.opensuse.org/repositories/system:/snappy/openSUSE_Tumbleweed snappy
Leap 15.x:
sudo zypper addrepo --refresh https://download.opensuse.org/repositories/system:/snappy/openSUSE_Leap_15.6 snappy
If needed, Swap out openSUSE_Leap_15. for, openSUSE_Leap_16.0 if you’re using a different version of openSUSE.
With the repository added, import its GPG key:
sudo zypper --gpg-auto-import-keys refresh
Finally, upgrade the package cache to include the new snappy repository:
sudo zypper dup --from snappy
Snap can now be installed with the following:
sudo zypper install snapd
You then need to either reboot, logout/login or source /etc/profile to have /snap/bin added to PATH.
Additionally, enable and start both the snapd and the snapd.apparmor services with the following commands:
sudo systemctl enable --now snapd
sudo systemctl enable --now snapd.apparmor
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.