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* batch1 * batch2 * batch3 * batch4 * Update matchpathcon.md * Update pages/linux/arecord.md Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com> * Update pages/linux/arecord.md Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com> * Update pages/linux/arecord.md Co-authored-by: Wiktor Perskawiec <git@spageektti.cc> --------- Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com> Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>
24 lines
570 B
Markdown
24 lines
570 B
Markdown
# perf
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> Framework for Linux performance counter measurements.
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> More information: <https://perf.wiki.kernel.org>.
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- Display basic performance counter stats for a command:
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`perf stat {{gcc hello.c}}`
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- Display system-wide real-time performance counter profile:
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`sudo perf top`
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- Run a command and record its profile into `perf.data`:
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`sudo perf record {{command}}`
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- Record the profile of an existing process into `perf.data`:
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`sudo perf record {{[-p|--pid]}} {{pid}}`
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- Read `perf.data` (created by `perf record`) and display the profile:
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`sudo perf report`
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