perf.txt 2.5 KB

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  1. perf(1)
  2. =======
  3. NAME
  4. ----
  5. perf - Performance analysis tools for Linux
  6. SYNOPSIS
  7. --------
  8. [verse]
  9. 'perf' [--version] [--help] [OPTIONS] COMMAND [ARGS]
  10. OPTIONS
  11. -------
  12. -h::
  13. --help::
  14. Run perf help command.
  15. -v::
  16. --version::
  17. Display perf version.
  18. -vv::
  19. Print the compiled-in status of libraries.
  20. --exec-path::
  21. Display or set exec path.
  22. --html-path::
  23. Display html documentation path.
  24. -p::
  25. --paginate::
  26. Set up pager.
  27. --no-pager::
  28. Do not set pager.
  29. --buildid-dir::
  30. Setup buildid cache directory. It has higher priority
  31. than buildid.dir config file option.
  32. --list-cmds::
  33. List the most commonly used perf commands.
  34. --list-opts::
  35. List available perf options.
  36. --debugfs-dir::
  37. Set debugfs directory or set environment variable PERF_DEBUGFS_DIR.
  38. --debug::
  39. Setup debug variable (see list below) in value
  40. range (0, 10). Use like:
  41. --debug verbose # sets verbose = 1
  42. --debug verbose=2 # sets verbose = 2
  43. List of debug variables allowed to set:
  44. verbose - general debug messages
  45. ordered-events - ordered events object debug messages
  46. data-convert - data convert command debug messages
  47. stderr - write debug output (option -v) to stderr
  48. in browser mode
  49. perf-event-open - Print perf_event_open() arguments and
  50. return value
  51. DESCRIPTION
  52. -----------
  53. Performance counters for Linux are a new kernel-based subsystem
  54. that provide a framework for all things performance analysis. It
  55. covers hardware level (CPU/PMU, Performance Monitoring Unit) features
  56. and software features (software counters, tracepoints) as well.
  57. SEE ALSO
  58. --------
  59. linkperf:perf-stat[1], linkperf:perf-top[1],
  60. linkperf:perf-record[1], linkperf:perf-report[1],
  61. linkperf:perf-list[1]
  62. linkperf:perf-annotate[1],linkperf:perf-archive[1],linkperf:perf-arm-spe[1],
  63. linkperf:perf-bench[1], linkperf:perf-buildid-cache[1],
  64. linkperf:perf-buildid-list[1], linkperf:perf-c2c[1],
  65. linkperf:perf-config[1], linkperf:perf-data[1], linkperf:perf-diff[1],
  66. linkperf:perf-evlist[1], linkperf:perf-ftrace[1],
  67. linkperf:perf-help[1], linkperf:perf-inject[1],
  68. linkperf:perf-intel-pt[1], linkperf:perf-iostat[1], linkperf:perf-kallsyms[1],
  69. linkperf:perf-kmem[1], linkperf:perf-kvm[1], linkperf:perf-lock[1],
  70. linkperf:perf-mem[1], linkperf:perf-probe[1], linkperf:perf-sched[1],
  71. linkperf:perf-script[1], linkperf:perf-test[1],
  72. linkperf:perf-trace[1], linkperf:perf-version[1]