Re: Doubt about scheduler

[Raul <raul_baena@ya.com>]

Steven Rostedt wrote:

>On Sun, 5 Mar 2006, Jon Masters wrote:
>
>  
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>>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
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>
Thank you very much, I'll see it. I'll tell you my progress!!!