perf-top.txt 697 B

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  1. perf-top(1)
  2. ===========
  3. NAME
  4. ----
  5. perf-top - Run a command and profile it
  6. SYNOPSIS
  7. --------
  8. [verse]
  9. 'perf top' [-e <EVENT> | --event=EVENT] [-l] [-a] <command>
  10. DESCRIPTION
  11. -----------
  12. This command runs a command and gathers a performance counter profile
  13. from it.
  14. OPTIONS
  15. -------
  16. <command>...::
  17. Any command you can specify in a shell.
  18. -e::
  19. --event=::
  20. Select the PMU event. Selection can be a symbolic event name
  21. (use 'perf list' to list all events) or a raw PMU
  22. event (eventsel+umask) in the form of rNNN where NNN is a
  23. hexadecimal event descriptor.
  24. -a::
  25. system-wide collection
  26. -l::
  27. scale counter values
  28. SEE ALSO
  29. --------
  30. linkperf:perf-stat[1], linkperf:perf-list[1]