libcgroups/v1/
perf_event.rs

1use std::path::Path;
2
3use super::controller::Controller;
4use crate::common::{ControllerOpt, WrappedIoError};
5
6pub struct PerfEvent {}
7
8impl Controller for PerfEvent {
9    type Error = WrappedIoError;
10    type Resource = ();
11
12    fn apply(_controller_opt: &ControllerOpt, _cgroup_root: &Path) -> Result<(), Self::Error> {
13        Ok(())
14    }
15    //no need to handle any case
16    fn needs_to_handle<'a>(_controller_opt: &'a ControllerOpt) -> Option<&'a Self::Resource> {
17        None
18    }
19}
20
21#[cfg(test)]
22mod tests {
23    use std::fs;
24
25    use nix::unistd::Pid;
26
27    use super::*;
28    use crate::common::CGROUP_PROCS;
29    use crate::test::setup;
30
31    #[test]
32    fn test_add_task() {
33        let (tmp, procs) = setup(CGROUP_PROCS);
34        let pid = Pid::from_raw(1000);
35
36        PerfEvent::add_task(pid, tmp.path()).expect("apply perf_event");
37
38        let content = fs::read_to_string(procs)
39            .unwrap_or_else(|_| panic!("read {CGROUP_PROCS} file content"));
40        assert_eq!(content, "1000");
41    }
42}
libcgroups/v1/perf_event.rs

libcgroups/v1/
perf_event.rs
