Re: FW: [ma-linux] Info about top command required

Re: FW: [ma-linux] Info about top command required

[Milind]

Hi mark ,

Thanks for the info.

But the question really is , whether SIZE corrosponds to

  real memory( real text + real data + real stack)
                              OR
  virtual  memory(virtual text + virtual data + virtual stack)
                              OR
   both????

Thanks
Milind


> -----Original Message-----
> From: mark@winksmith.com [mailto:mark@winksmith.com]
> Sent: Tuesday, August 07, 2001 6:13 PM
> To: Ananth P
> Cc: TUXMA (E-mail)
> Subject: Re: [ma-linux] Info about top command required
>
> On Tue, Aug 07, 2001 at 12:55:28PM +0530, Ananth P wrote:
> >  I wanted to know how the 'SIZE' field in the output of 'top' command is
> > calculated in linux.
>
> well, if i remember correctly the size field in ps results in process
> size in clicks.  one click is 4096 bytes.  it's pretty good for relative
> measurement (e.g. this one is 50 clicks, the other one is 5000 clicks).
>
> let's see about 'top'.  reading man page
>
>         SIZE    The size of the task's code plus data plus stack
>                 space, in kilobytes, is shown here.
>
> so, it sounds like kb.  in addition, you might find these fields helpful
> too (from the man page).
>
>         TSIZE   The code size of the task. This gives strange
>                 values for kernel processes  and is broken
>                 for ELF processes.
>
>         DSIZE   Data + Stack size. This is broken for ELF
>                 processes.
>
> --
> Mark Smith
> mark@winksmith.com

Info about top command required

[Milind]

Milind wrote:

> Hi mark ,
>
> Thanks for the info.
>
> But the question really is , whether SIZE corrosponds to
>
>   real memory( real text + real data + real stack)
>                               OR
>   virtual  memory(virtual text + virtual data + virtual stack)
>                               OR
>    both????
>
> Thanks
> Milind
>
> > -----Original Message-----
> > From: mark@winksmith.com [mailto:mark@winksmith.com]
> > Sent: Tuesday, August 07, 2001 6:13 PM
> > To: Ananth P
> > Cc: TUXMA (E-mail)
> > Subject: Re: [ma-linux] Info about top command required
> >
> > On Tue, Aug 07, 2001 at 12:55:28PM +0530, Ananth P wrote:
> > >  I wanted to know how the 'SIZE' field in the output of 'top' command is
> > > calculated in linux.
> >
> > well, if i remember correctly the size field in ps results in process
> > size in clicks.  one click is 4096 bytes.  it's pretty good for relative
> > measurement (e.g. this one is 50 clicks, the other one is 5000 clicks).
> >
> > let's see about 'top'.  reading man page
> >
> >         SIZE    The size of the task's code plus data plus stack
> >                 space, in kilobytes, is shown here.
> >
> > so, it sounds like kb.  in addition, you might find these fields helpful
> > too (from the man page).
> >
> >         TSIZE   The code size of the task. This gives strange
> >                 values for kernel processes  and is broken
> >                 for ELF processes.
> >
> >         DSIZE   Data + Stack size. This is broken for ELF
> >                 processes.
> >
> > --
> > Mark Smith
> > mark@winksmith.com
>
> -
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