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().expect("Unable to determinte page size!") as u64;
println!("Memory page size: {}", page_size);
println!("== Data from /proc/self/stat:");
println!("Total virtual memory used: {} bytes", me.stat.vsize);
println!(
"Total resident set: {} pages ({} bytes)",
me.stat.rss,
me.stat.rss as u64 * 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
);
}
}