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Daniel Hodges 2ca42428cd scx_utils: Add CPU freq transition latency 
This change adds the CPU frequency transition latency from the
`cpuinfo_transition_latency` from sysfs. The value of this field is
described [cpufreq
docs](https://www.kernel.org/doc/Documentation/cpu-freq/user-guide.txt).
On supported systems it returns the CPU frequency transition latency in
nanoseconds. The goal of this change is so that in the future schedulers
can use this data to make better frequency scaling decisions.

Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
2024-06-11 07:35:34 -07:00
..
src scx_utils: Add CPU freq transition latency 2024-06-11 07:35:34 -07:00
.gitignore rustu: Import scx_rusty and scx_layered from kernel tree 2023-11-30 13:13:41 -10:00
bindings.h rust/scx_utils: Add user_exit_info support 2024-01-31 10:54:15 -10:00
bpf_h scx_utils: Add mod bpf_h 2023-11-28 15:20:01 -10:00
build.rs scx_utils: introduce Builder() 2024-02-28 17:49:44 +01:00
Cargo.toml Bump versions for a release 2024-06-03 08:35:21 -10:00
LICENSE rust: clarify license and include text 2023-12-12 13:02:13 -08:00
meson.build Fetch and build bpftool by default 2024-03-11 10:00:01 -07:00
README.md scx_utils: Documentation and other minor updates 2023-12-02 23:56:36 -10:00

README.md

Utility collection for sched_ext schedulers

sched_ext is a Linux kernel feature which enables implementing kernel thread schedulers in BPF and dynamically loading them.

Thie crate is a collection of utilities for sched_ext scheduler implementations which use Rust for userspace component. This enables implementing hot paths in BPF while offloading colder and more complex operations to userspace Rust code which can be significantly more convenient and powerful.

Please see documentation for more details.