Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks

[Arjan van de Ven]

On Sun, 2 Dec 2007 22:19:25 +0100
Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:

> > 
> > Until now users had little direct recourse to get such problems
> > fixed. (we had sysrq-t, but that included no real metric of how
> > long a task was 
> 
> Actually task delay accounting can measure this now.  iirc someone
> had a latencytop based on it already.


I have written a latencytop tool, but it's not based quite on the task
delay accounting (it doesn't provide the right information to make such
a tool). I've not released the tool mostly because I'm not quite happy
about the kernel side yet... but if there's real interest I'll fix it
up soon and release it.

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