High resolution timer
lazarus / 32-Linux

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Borneq · 2022-05-02 08:33

Not milliseconds but microseconds.
In Windows is QueryPerformanceCounter.
Rdtsc is bad since new processors have multicores.
How is best solution for Linux?

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Zvoni · 2022-05-02 08:38

See here: https://www.freepascal.org/docs-
html/rtl/linux/clock_gettime.html
read this: http://www.guyrutenberg.com/2007/09/22/profiling-code-
using-clock_gettime/
https://stackoverflow.com/questions/6749621/how-to-create-a-high-
resolution-timer-in-linux-to-measure-program-performance
https://stackoverflow.com/questions/3523442/difference-between-clock-
realtime-and-clock-monotonic
You have to include unit "Linux"

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Borneq · 2022-05-02 08:51

EpikTimer is rdtsc based? I am going see these links.