perfcnt

A library to program performance counters in rust.

Example library usage

let mut pc: PerfCounter = PerfCounterBuilderLinux::from_hardware_event(HardwareEventType::CacheMisses)
pc.start().expect("Can not start the counter");
pc.stop().expect("Can not start the counter");
let res = pc.read().expect("Can not read the counter");
println!("Measured {} cache misses.", res);

• See examples/ directory for more code-snippets on how-to use the library to create counters.

Documentation

• API Documentation

Provided Programs

• perfcnt-list: Lists all architecture specific events available on the current machine (currently only supports Intel x86).

Known limitations

• Linux support without breakpoints and tracepoints
• No Windows or MacOS X support
• Missing raw AMD and ARM aarch64 events