Youtkit is great for using a zoom microscope in your application. In these situations, you often have to look at the macroscopic gaze from the outside and take very rough measurements to see if you are associated with CPU binding or IO binding.
, , "" 10% (, , 90% -), , -, , . , , 90%, , . top, iostat vmstat .
strace , , ..... grep perl , .
, . vmstat, , .
, , , ... , .