perf
Framework for Linux performance counter measurements. More information: https://perf.wiki.kernel.org.
- Display basic performance counter stats for a command:
perf stat {{gcc hello.c}}
- 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}}
- Record the profile of an existing process into
perf.data
:sudo perf record -p {{pid}}
- Read
perf.data
(created byperf record
) and display the profile:sudo perf report
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