
  [;1m-spec system_profile() -> ProfilerSettings[0m
  [;1m                        when[0m
  [;1m                            ProfilerSettings ::[0m
  [;1m                                undefined | {ProfilerPid, Options},[0m
  [;1m                            ProfilerPid :: pid() | port(),[0m
  [;1m                            Options :: [system_profile_option()].[0m

  Returns the current system profiling settings set by [;;4m[0m
  [;;4merlang:system_profile/2[0m as [;;4m{ProfilerPid, Options}[0m, or [;;4m[0m
  [;;4mundefined[0m if there are no settings. The order of the options can
  be different from the one that was set.
