scheduler help

Anish Kumar anish198519851985 at gmail.com
Mon Dec 8 18:12:24 EST 2014


I am sure you can get help in Linux mailing list as kernel newbies list would not be be able to answer this.I think there is specific scheduler mailing list.



> On Dec 8, 2014, at 5:48 AM, alexis <akavroulakis at gmail.com> wrote:
> 
> hello to everyone ,
> l have a assignment and i need help.
> i have to change the scheduler function at kernel  2.6.38 so  that the 
> scheduler choose the process
> with the least slack time.
> 
> My problem :
> i have create a function that iterates all runnable processes  finds the 
> one with least slack time(lst)
> and returns a pointer  to the task( struct task_struct*)
> Now i need to change the scheduler so that  selected for execution the  
> process with lst.
> 
> i am trying to change the function pick_next_task_fair in file sched_fair.c
> but i cant understand the code in there can someone explain me ?
> 
> is the pick_next_task_fair the right function that need change?
> if yes it is the only one ?
> 
> sorry for my English
> thanks.
> 
> 
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