Re: [PATCHv3 00/19] perf metric: Add support to reuse metric

[Andi Kleen]

> perf: util/evsel.c:1452: get_group_fd: Assertion `!(!leader->core.fd)' 
> failed.                                                             
> Aborted (core dumped)
> ```

This usually happens when you run out of file descriptors

-Andi