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| H A D | perfevent.cc | diff 13787:f6bba838e2ff Thu Mar 21 10:01:00 EDT 2019 Ryan Gambord <gambordr@oregonstate.edu> cpu-kvm: Added informative error message PerfKvmCounter::attach fails if the user doesn't have privileges to make the perf_event_open syscall. This is the default privilege setting since kernel 4.6. I've seen some users in the mailing list resort to running as root; changing the perf_event_paranoid setting is an alternative. Change-Id: I2bc6f76abb6e97bf34b408a611f64b1910f50a43 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/17508 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com> |
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