tldr/pages/linux/perf.md

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2017-10-20 18:44:29 +01:00
# 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`