From: Joe Van Dyk <joevandyk@...>
Date: 2005-12-09T02:49:09+09:00
Subject: Re: Retrieving PID running time

On 12/8/05, Philip Rhoades <phil@pricom.com.au> wrote:
> On Fri, 2005-12-09 at 00:03 +0900, Joe Van Dyk wrote:
> > On 12/8/05, Philip Rhoades <phil@pricom.com.au> wrote:
> > > People,
> > >
> > > I have found how to get PIDs etc but how can I find the running time of
> > > a particular PID without messing around with a system call to ps etc
> >
> > That information should be in /proc/<pid>/stat.  Look at the man page
> > for proc for more details.
>
> Yes, but what I want (in Ruby) is something like:
>
> ptime = Process.pid.time

untested:

class Process
  def meth_missing pid, *args
    get_process_info(pid)[args.first]
  end

  def get_process_info pid
    # parse /proc/<pid>/stat, put values you want into some struct and return it
  end
end