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I suspect that this error is closely related to systemd 240 and its new hardcore limits (RLIMIT_NOFILE).
https://github.com/systemd/systemd/comm … 116315a7df
How to diagnose it (downgrade to 239, currently in version 241).
Previously, the perf worked fine.
EDIT:
Too hastily blamed systemd.
I checked under an older version of the kernel and the perf top works fine (with new systemd limits).
The topic can be closed. I have to wait for the patch in the kernel.
EDIT2:
Yesterday's patches fix the error. Probably soon they will be in 4.20.
https://git.kernel.org/pub/scm/linux/ke … 0d68e8f511
Last edited by latalante1 (2019-02-18 09:45:01)
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Please don't delete it. I had the same problem and this topic helped.
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