mirror of
https://github.com/tldr-pages/tldr.git
synced 2025-04-29 23:24:55 +02:00
20 lines
401 B
Markdown
20 lines
401 B
Markdown
|
# 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`
|