1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
//! Process data collection for macOS. Uses sysinfo and custom bindings.
use hashbrown::HashMap;
use sysinfo::System;
use super::ProcessHarvest;
use crate::{data_harvester::processes::UserTable, Pid};
mod sysctl_bindings;
pub fn get_process_data(
sys: &System, use_current_cpu_total: bool, unnormalized_cpu: bool, mem_total: u64,
user_table: &mut UserTable,
) -> crate::utils::error::Result<Vec<ProcessHarvest>> {
super::macos_freebsd::get_process_data(
sys,
use_current_cpu_total,
unnormalized_cpu,
mem_total,
user_table,
get_macos_process_cpu_usage,
)
}
pub(crate) fn fallback_macos_ppid(pid: Pid) -> Option<Pid> {
sysctl_bindings::kinfo_process(pid)
.map(|kinfo| kinfo.kp_eproc.e_ppid)
.ok()
}
fn get_macos_process_cpu_usage(pids: &[Pid]) -> std::io::Result<HashMap<i32, f64>> {
use itertools::Itertools;
let output = std::process::Command::new("ps")
.args(["-o", "pid=,pcpu=", "-p"])
.arg(
// Has to look like this since otherwise, it you hit a `unstable_name_collisions` warning.
Itertools::intersperse(pids.iter().map(i32::to_string), ",".to_string())
.collect::<String>(),
)
.output()?;
let mut result = HashMap::new();
String::from_utf8_lossy(&output.stdout)
.split_whitespace()
.chunks(2)
.into_iter()
.for_each(|chunk| {
let chunk: Vec<&str> = chunk.collect();
if chunk.len() != 2 {
panic!("Unexpected `ps` output");
}
let pid = chunk[0].parse();
let usage = chunk[1].parse();
if let (Ok(pid), Ok(usage)) = (pid, usage) {
result.insert(pid, usage);
}
});
Ok(result)
}
|
