Is Top "Real-Time"?

[Michael Havens]

I think that it is as real time as you want it to be (to within 1 second)
 I think that is just symatics. I mean, everything has a time delay, even if 
it is 1/1000 of a second.

On Monday 11 December 2006 6:20 pm, Matt Nesteruk wrote:
> In my post to bmike i stated that "top is not Real-Time".
>
> Edward Norton has brought to my attention that the Top man page states:
> "The *top* program provides a dynamic real-time view of a running system.
> It can display *system* summary information as well as a list  of  *tasks*
> currently being managed by the Linux kernel."
>
> The reason i say top is not "Real-Time" can bee seen as the program runs.
> The clock in the upper right corner is delayed.
>
> Edward argued that by applying the "-d 1" argument that the clock would
> update every 1 second.
>
> This is better, but it is still not "Real-Time".  Page re-generation is
> biased on a delay clock, not changes in the system tasks.
>
> Thoughts?
>
> -Matt