Interference between perf record and PAPI in sampling mode

Dear all,

I'd like to run some experiments using perf record command while
running some other experiments with PAPI library [1] in sampling mode. I found that in kernel 3.11.0, if I sample an application using PAPI_overflow on a hardware counter (PAPI_TOT_INS, for instance), then the following command I execute through perf mem record raises the following error.

Error:
The sys_perf_event_open() syscall returned with 22 (Invalid argument) for event (cpu/mem-loads/pp). /bin/dmesg may provide additional information.
No CONFIG_PERF_EVENTS=y kernel support configured?

It seems evident that there's an interference between the two. Can
anyone enlighten me on how to debug this a bit just to hunt for this bug (if it's a bug, and not a feature)?

Thank you very much!

[1] http://icl.cs.utk.edu/papi/

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