Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks

> Delay accounting (or the /proc/<PID>/sched fields that i added recently) 
> only get updated once a task has finished its unreasonably long delay 
> and has scheduled. 

If it is stuck forever then you can just use sysrq-t

If it recovers delay accounting will catch it.

> detected_ this way. This is a debugging facility that clearly belongs 
> into the kernel. 

My worry is that it will flag various legitimate cases. So far 
you seem to try to just hand-wave them away.

-Andi
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• References:
  • [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks
    • From: Ingo Molnar <[email protected]>
  • Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks
    • From: Andi Kleen <[email protected]>
  • Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks
    • From: Ingo Molnar <[email protected]>
  • Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks
    • From: Arjan van de Ven <[email protected]>
  • Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks
    • From: Andi Kleen <[email protected]>
  • Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks
    • From: Ingo Molnar <[email protected]>
  • Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks
    • From: Andi Kleen <[email protected]>
  • Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks
    • From: Ingo Molnar <[email protected]>
  • Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks
    • From: Andi Kleen <[email protected]>
  • Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks
    • From: Ingo Molnar <[email protected]>

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