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authorLukas Larsson <[email protected]>2014-09-11 18:26:26 +0200
committerLukas Larsson <[email protected]>2016-02-02 10:45:21 +0100
commiteea5f896780e07f7ca76685061d01e7be5a7abaa (patch)
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parentd76ee58c07f32dfc0652844ec2b513af2105ffa1 (diff)
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erts, kernel: Add os:perf_counter function
The perf_counter is a very very cheap and high resolution timer that can be used to timestamp system events. It does not have monoticity guarantees, but should on most OS's expose a monotonous time. A special instruction has been created for this counter to further speed up fetching it. OTP-12908
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