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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