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perf

Framework for linux performance counter measurements.

  • 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}}

  • Read perf.data (created by perf record) and display the profile:

sudo perf report