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| author | Lukas Larsson <[email protected]> | 2014-09-11 18:26:26 +0200 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2016-02-02 10:45:21 +0100 |
| commit | eea5f896780e07f7ca76685061d01e7be5a7abaa (patch) | |
| tree | 7d4a852b20f2075637457052844865e1c56b1e21 /lib/runtime_tools | |
| parent | d76ee58c07f32dfc0652844ec2b513af2105ffa1 (diff) | |
| download | otp-eea5f896780e07f7ca76685061d01e7be5a7abaa.tar.gz otp-eea5f896780e07f7ca76685061d01e7be5a7abaa.tar.bz2 otp-eea5f896780e07f7ca76685061d01e7be5a7abaa.zip | |
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
Diffstat (limited to 'lib/runtime_tools')
0 files changed, 0 insertions, 0 deletions