56 lines
1.8 KiB
Rust
56 lines
1.8 KiB
Rust
use procfs::process::Process;
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fn main() {
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let me = Process::myself().expect("Unable to load myself!");
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println!("PID: {}", me.pid);
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let page_size = procfs::page_size().expect("Unable to determinte page size!") as u64;
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println!("Memory page size: {}", page_size);
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// Note: when comparing the below values to what "top" will display, note that "top" will use
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// base-2 units (kibibytes), not base-10 units (kilobytes).
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if let Ok(stat) = me.stat() {
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println!("== Data from /proc/self/stat:");
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println!("Total virtual memory used: {} bytes", stat.vsize);
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println!(
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"Total resident set: {} pages ({} bytes)",
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stat.rss,
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stat.rss as u64 * page_size
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);
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println!();
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}
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if let Ok(statm) = me.statm() {
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println!("== Data from /proc/self/statm:");
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println!(
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"Total virtual memory used: {} pages ({} bytes)",
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statm.size,
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statm.size * page_size
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);
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println!(
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"Total resident set: {} pages ({} byte)s",
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statm.resident,
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statm.resident * page_size
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);
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println!(
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"Total shared memory: {} pages ({} bytes)",
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statm.shared,
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statm.shared * page_size
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);
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println!();
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}
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if let Ok(status) = me.status() {
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println!("== Data from /proc/self/status:");
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println!(
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"Total virtual memory used: {} bytes",
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status.vmsize.expect("vmsize") * 1024
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);
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println!("Total resident set: {} bytes", status.vmrss.expect("vmrss") * 1024);
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println!(
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"Total shared memory: {} bytes",
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status.rssfile.expect("rssfile") * 1024 + status.rssshmem.expect("rssshmem") * 1024
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);
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}
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}
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