Crate self_meter

A tiny library to measure resource usage of the process it’s used in. Currently it measures:

• Memory Usage
• CPU Usage with breakdown by each thread
• Disk Usage

More metrics might be added later. Currently, library supports only linux, but pull requests for other platforms are welcome.

Example

fn main() {
   let mut meter = self_meter::Meter::new(Duration::new(1, 0)).unwrap();
   meter.track_current_thread("main");
   loop {
       meter.scan()
           .map_err(|e| writeln!(&mut stderr(), "Scan error: {}", e)).ok();
       println!("Report: {:#?}", meter.report());
       println!("Threads: {:#?}",
           meter.thread_report().map(|x| x.collect::<BTreeMap<_,_>>()));
       // Put your task here
       // ...
       //
       sleep(Duration::new(1, 0));
   }
}

Structs

Meter

The main structure that makes mesurements and reports values

Report

Report returned by Meter::report

ThreadReport

Report of CPU usage by single thread

ThreadReportIter

Iterator over thread reports returned by Meter::thread_report

ThreadUsage

CPU usage of a single thread

Enums

Error

Error scanning process info in /proc

Type Aliases

Pid

A Pid type used to identify processes and threads