Clock


 

 

Kernel Comparison: Linux (2.6.28) versus Windows (Vista SP1)

 

 

Clock

Hardware Clock

Hardware Clock Linux Windows
tickless Y
N
timer interrupt frequency default - uniprocessor 250Hz' 100Hz'
timer interrupt frequency build time configurable - uniprocessor unlimited' N'
timer interrupt frequency - multiprocessor 250Hz' 66.6Hz'
timer interrupt frequency build time configurable - multiprocessor unlimited' N'

 

Hardware High-Resolution timer

Hardware High-Resolution timer Linux Windows
High Precision Event Timer (HPET) Y Y
Time Stamp Counter (RDTSC) - uniprocessor Y' Y'
Time Stamp Counter (RDTSC) - multiprocessor Y' Y'

 

 

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Johnathon Weare © Johnny Weare 2009