text: perf(1)
  =======
  
  NAME
  ----
  perf - Performance analysis tools for Linux
  
  SYNOPSIS
  --------
  [verse]
  'perf' [--version] [--help] [OPTIONS] COMMAND [ARGS]
  
  OPTIONS
  -------
  --debug::
  	Setup debug variable (see list below) in value
  	range (0, 10). Use like:
  	  --debug verbose   # sets verbose = 1
  	  --debug verbose=2 # sets verbose = 2
  
  	List of debug variables allowed to set:
  	  verbose          - general debug messages
  	  ordered-events   - ordered events object debug messages
  	  data-convert     - data convert command debug messages
  
  --buildid-dir::
  	Setup buildid cache directory. It has higher priority than
  	buildid.dir config file option.
  
  -v::
  --version::
    Display perf version.
  
  -h::
  --help::
    Run perf help command.
  
  DESCRIPTION
  -----------
  Performance counters for Linux are a new kernel-based subsystem
  that provide a framework for all things performance analysis. It
  covers hardware level (CPU/PMU, Performance Monitoring Unit) features
  and software features (software counters, tracepoints) as well.
  
  SEE ALSO
  --------
  linkperf:perf-stat[1], linkperf:perf-top[1],
  linkperf:perf-record[1], linkperf:perf-report[1],
  linkperf:perf-list[1]
  