TLDR
Enter a command. For example: sbatch, foreman, avahi browse.

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 by perf record) and display the profile:
     
    sudo perf report

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