Re: [PATCH 1/1] perf,tools: add time out to force stop endless mmap processing

[David Ahern]

On 6/11/15 12:47 PM, Andi Kleen wrote:
> > Can you elaborate on an example? I don't see how this can happen
> > reading a maps file. And it does not read maps for all threads only
> > thread group leaders.
>
> This is with a stress test case that generates lots of small mappings
> at very high speed and frees them again. So the maps file keeps changing
> faster than the proc reader can keep it and it can end up with
> a live lock.

Can you pass it along? I'd like to see how the task_diag proposal 
handles it.

https://github.com/dsahern/linux/commits/task_diag-wip
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