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scx/rust/scx_utils
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David Vernet 46defa073d
compat: Add kfunc_exists() compat helper func 
It would be useful to be able to check whether a kfunc exists from rust
user space. For example, now that we have support for adjusting cpufreq
in scx_layered, we'll want to be able to test whether or not a the
scx_bpf_cpuperf_set() (and friends) kfuncs are present for backwards
compat purposes. Let's add a kfunc_exists() function to compat.rs for
this purpose.

Signed-off-by: David Vernet <void@manifault.com>
2024-04-24 13:49:31 -05:00
..
src compat: Add kfunc_exists() compat helper func 2024-04-24 13:49:31 -05:00
.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 Cargo.toml: Update libbpf-rs/cargo dependencies to 0.23 and drop patch.crates-io sections 2024-04-02 11:19:39 -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.