Re: Doubt about scheduler

[Raul <raul_baena@ya.com>]

Steven Rostedt wrote:

> On Sun, 5 Mar 2006, Jon Masters wrote:
>
>  
>
> > On 3/5/06, Raúl Baena <raul_baena@ya.com> wrote:
> >
> >    
> >
> > > I thought that to make the module about the new O(k) scheduler would be
> > > a good idea. I think that it´s not enough for me schedstats, because I
> > > want to make a visual scheduler, I mean, using GTK+ , a module and
> > > something else to make a visual scheduler monitor, how the tasks move
> > > between "active" and "expired", where the task are in prio_array with
> > > the bitmap fields...this module isn´t usefull, only in a didactic way.
> > >      
> > If you're seriously interested in this then cool. Let me know how you get on.
> >
> > I looked at hacking something into gtop etc. previously to use
> > /proc/kcore and pull out task information - I'd certainly like to see
> > a visual process monitor that could pull all of this stuff out and
> > display it for educational interest (page tables, vmas, other
> > resources). But then, it's probably been done - I didn't look to see
> > what else is out there.
> >
> >    
>
> Raul, Also take a look at relayfs. It's a fast way to record data in the
> kernel and pass it back to a userland process.  You'll have to patch the
> kernel as it is said that the data needed is private to sched.c
>
> Look into Documentation/filesystems/relayfs.txt
>
> relayfs entered the kernel in 2.6.14.
>
> -- Steve
>
>  
Thank you very much, I'll see it. I'll tell you my progress!!!

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