heim_cpu/os/linux/
times.rs

1use heim_common::units::Time;
2
3/// Linux-specific extension for [CpuTime].
4///
5/// [CpuTime]: ../../struct.CpuTime.html
6pub trait CpuTimeExt {
7    /// Returns time spent by niced (prioritized) processes executing in user mode,
8    /// this also includes [guest_nice] time.
9    ///
10    /// [guest_nice]: #tymethod.guest_nice
11    fn nice(&self) -> Time;
12
13    /// Returns time spent waiting for I/O to complete.
14    fn io_wait(&self) -> Time;
15
16    /// Returns time spent for servicing hardware interrupts.
17    fn irq(&self) -> Time;
18
19    /// Returns time spent for servicing software interrupts.
20    fn soft_irq(&self) -> Time;
21
22    /// Returns time spent by other operating systems running in a virtualized environment.
23    fn steal(&self) -> Time;
24
25    /// Returns time spent running a virtual CPU for guest operating systems
26    /// under the control of the Linux kernel.
27    ///
28    /// ## Compatibility
29    ///
30    /// Available for Linux 2.6.24+, older versions always returns `None`.
31    fn guest(&self) -> Option<Time>;
32
33    /// Returns time spent running a niced guest
34    /// (virtual CPU for guest operating systems under the control of the Linux kernel)
35    ///
36    /// ## Compatibility
37    ///
38    /// Available for Linux 3.2.0+, older versions always returns `None`.
39    fn guest_nice(&self) -> Option<Time>;
40}
41
42impl CpuTimeExt for crate::CpuTime {
43    fn nice(&self) -> Time {
44        self.as_ref().nice()
45    }
46
47    fn io_wait(&self) -> Time {
48        self.as_ref().io_wait()
49    }
50
51    fn irq(&self) -> Time {
52        self.as_ref().irq()
53    }
54
55    fn soft_irq(&self) -> Time {
56        self.as_ref().soft_irq()
57    }
58
59    fn steal(&self) -> Time {
60        self.as_ref().steal()
61    }
62
63    fn guest(&self) -> Option<Time> {
64        self.as_ref().guest()
65    }
66
67    fn guest_nice(&self) -> Option<Time> {
68        self.as_ref().guest_nice()
69    }
70}
heim_cpu/os/linux/times.rs

heim_cpu/os/linux/
times.rs
