kata-containers/cgroups-rs
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Signed-off-by: Tim Zhang <tim@hyper.sh>
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Tim Zhang
2020-12-03 17:53:46 +08:00
parent 438d774866
commit c254fffbe0
1 changed files with 14 additions and 9 deletions
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README.md
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@@ -9,24 +9,29 @@ is planned for the Unified hierarchy.
## Create a control group using the builder pattern
``` rust
// Acquire a handle for the V1 cgroup hierarchy.
let hier = ::hierarchies::V1::new();
use cgroups::*;
use cgroups::cgroup_builder::*;
// Acquire a handle for the cgroup hierarchy.
let hier = cgroups::hierarchies::auto();
// Use the builder pattern (see the documentation to create the control group)
//
// This creates a control group named "example" in the V1 hierarchy.
let cg: Cgroup = CgroupBuilder::new("example", &v1)
.cpu()
.shares(85)
.done()
.build();
let cg: Cgroup = CgroupBuilder::new("example")
.cpu()
.shares(85)
.done()
.build(hier);
// Now `cg` is a control group that gets 85% of the CPU time in relative to
// other control groups.
// Get a handle to the CPU controller.
let cpus: &CpuController = cg.controller_of().unwrap();
cpus.add_task(1234u64);
let cpus: &cgroups::cpu::CpuController = cg.controller_of().unwrap();
cpus.add_task(&CgroupPid::from(1234u64));
// [...]