Re: Hung task detector versus NFS (TASK_KILLABLE)

From: Andi Kleen
Date: Mon Mar 07 2016 - 22:11:30 EST


> I write this because I would actually find it useful to see the original
> backtrace, even if it is interruptible, not just the collateral damage.
> Since the "skipping" of NFS is basically incomplete anyway, how big a
> deal is this "feature"?

Random backtrace spewing is always a misfeature for 99.99+% of the users
for whom it is gibberish.

If you really need it yourself add a kprobe.

-Andi