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justdoit0823/inspect-with-perf.sh

Created October 14, 2017 11:20
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Inspect hot paths in program with perf.
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inspect-with-perf.sh
# -p refers to process and -t refers to thread
# record stack in process PID
perf record -F 99 -a -p PID -- sleep 30
# hot path like top
perf top -p PID
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