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
|
use procfs::process::Process;
fn main() {
let me = Process::myself().expect("Unable to load myself!");
println!("PID: {}", me.pid);
let page_size = procfs::page_size();
println!("Memory page size: {}", page_size);
// Note: when comparing the below values to what "top" will display, note that "top" will use
// base-2 units (kibibytes), not base-10 units (kilobytes).
if let Ok(stat) = me.stat() {
println!("== Data from /proc/self/stat:");
println!("Total virtual memory used: {} bytes", stat.vsize);
println!(
"Total resident set: {} pages ({} bytes)",
stat.rss,
stat.rss * page_size
);
println!();
}
if let Ok(statm) = me.statm() {
println!("== Data from /proc/self/statm:");
println!(
"Total virtual memory used: {} pages ({} bytes)",
statm.size,
statm.size * page_size
);
println!(
"Total resident set: {} pages ({} byte)s",
statm.resident,
statm.resident * page_size
);
println!(
"Total shared memory: {} pages ({} bytes)",
statm.shared,
statm.shared * page_size
);
println!();
}
if let Ok(status) = me.status() {
println!("== Data from /proc/self/status:");
println!(
"Total virtual memory used: {} bytes",
status.vmsize.expect("vmsize") * 1024
);
println!("Total resident set: {} bytes", status.vmrss.expect("vmrss") * 1024);
println!(
"Total shared memory: {} bytes",
status.rssfile.expect("rssfile") * 1024 + status.rssshmem.expect("rssshmem") * 1024
);
}
}
|
