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Using bechamel-perf requires running the benchmark with root privilege #31

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OlivierNicole opened this issue Feb 10, 2022 · 2 comments
Closed

Using bechamel-perf requires running the benchmark with root privilege #31

OlivierNicole opened this issue Feb 10, 2022 · 2 comments

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@OlivierNicole
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On my system, unless using sudo the perf_event_open syscall fails with “Permission denied”. A quick search suggests this might be due to the exclude_kernel = 0 and exclude_hv = 0 attributes in the C stub.
@dinosaure
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We should probably update the documentation and explain the environment for using some of the features offered by `perf' indeed.

@dinosaure
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Fixed by #39 which explains required privileges when we use Bechamel_perf.

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@dinosaure @OlivierNicole