idle task check

yes

On Tue, Jun 2, 2015 at 11:40 PM, nick [off-list ref] wrote:

On 2015-06-02 05:38 PM, Mustafa Hussain wrote:

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this what i was talking you about :)

On Sat, May 9, 2015 at 9:29 PM, nick [off-list ref] wrote:

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On 2015-05-09 12:44 PM, Mustafa Hussain wrote:

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Hi all,

i am working with __sched __schedule()

and i want to add some thing i want to check whether the prev will

become

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idle or not how can i do this.

thanks in advance

   -
   -

Mustafa,
After looking around in pick_next_task there is a scheduler class called
idle_sched_class for idling when tasks need to be run. Something like
/*declare sched_class pointer to idle_sched_class address*/
const struct sched_class *idle=&idle_sched_class;
/*Check if the pointer pointing to the idle class is equal to prev's
sched_class*/
if(prev->sched_class == idle)
After this condition you can just:
printk(KERN_INFO "Prev is equal to idle_sched_class,now running the idle
sched_class\n");
If you have another question about this please let me known.
Cheers,
Nick

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First do you known what scheduling classes/ task structures are?
Nick

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