On 10/23/15 5:03 AM, Peter Zijlstra wrote:
So the bpf_perf_event_read() returns the count value, does this not also
mean that returning -EINVAL here is also 'wrong'?
I mean, sure an actual count value that high is unlikely, but its still
a broken interface.
Agree. that's not pretty interface. I wish I looked at it more carefully
when it was introduced. Now it's too late to change.
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