# perf

> Framework for linux performance counter measurements.

- Gather basic performance counter stats for a command:

`perf stat {{command}}`

- Display system-wide real time performance counter profile:

`sudo perf top`

- Run a command and record its profile into perf.data:

`sudo perf record {{command}}`

- Read perf.data (created by perf record) and display the profile:

`sudo perf report`