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SubjectRe: [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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