Rust bindings to Linux Control Groups (cgroups)

Vlad Frolov

Last update: Nov 21, 2022

Overview

cgroups-fs

Native Rust library for managing Linux Control Groups (cgroups).

This crate, curently, only supports the original, V1 hierarchy. You are welcome to contribute Cgroups V2 support.

Prior art

cgroups - it does too many things (e.g. creates cgroups in the subsystems that I don't plan to use, parses control files that I don't plan to use).

Usage

First, add the following to your Cargo.toml:

[dependencies]
cgroups-fs = "1.0"

Next, use it in your crate:

use cgroups_fs;

Examples

use cgroups_fs;

let my_cgroup = cgroups_fs::CgroupName("my-cgroup");
let my_cpu_cgroup = cgroups_fs::Cgroup::init(&my_cgroup, "cpu")?;
println!(
    "The current CPU shares in `my-cgroup` control group is {}",
    my_cpu_cgroup.get_value::<u64>("cpu.shares")
);

Please, find more examples in the documentation.

License

This project is licensed under either of

Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

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Comments

Some questions about blkio Cgroup

Hello everyone,I am a gree hand of Cgroup!About blkio Cgroup.I learned that the blkio Cgroup only controls the direct io of process.But,my question is that how the blkio Cgroup limit the iops of processes?How the blkio Cgroup caculate the iops of a process?How the blkio Cgroup collection the information about iops of processes?If I want to read the source code of blkio Cgroup and understand it,where is the location?I would be grateful if you could give me some suggestion!Thans a lot!

opened by younaman 1

Rust bindings to Linux Control Groups (cgroups)

Related tags

Overview

cgroups-fs

Prior art

Usage

Examples

License

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Comments

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Owner

Vlad Frolov

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