Fix-Point opened a new pull request, #13984:
URL: https://github.com/apache/nuttx/pull/13984

   ## Summary
   In the previous implementation, when the current timer count just exceeds 
the next tick time, it will still cause clock drift. This commit fixed clock 
drift by using the abosolute ticks (clock_systime_tick() + ticks).
   
   ## Impact
   Fixed timing errors on ARMv8A platform.
   
   ## Testing
   Tested on QEMU/armv8a with the test case in 
`https://github.com/apache/nuttx/pull/13674`.
   
   
   


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