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perf: add link and -p example (#7229)

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This commit is contained in:
Emanuele Rocca
2021-10-26 13:19:43 +02:00
committed by GitHub
parent ae3c1b294e
commit 5890df3641
1 changed files with 5 additions and 0 deletions
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pages/linux/perf.md
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@@ -1,6 +1,7 @@
# perf # perf
> Framework for Linux performance counter measurements. > Framework for Linux performance counter measurements.
> More information: <https://perf.wiki.kernel.org>.
- Display basic performance counter stats for a command: - Display basic performance counter stats for a command:
@@ -14,6 +15,10 @@
`sudo perf record {{command}}` `sudo perf record {{command}}`
- Record the profile of an existing process into `perf.data`:
`sudo perf record -p {{pid}}`
- Read `perf.data` (created by `perf record`) and display the profile: - Read `perf.data` (created by `perf record`) and display the profile:
`sudo perf report` `sudo perf report`