[LAD] Jitter analysis

Hi,

I'm facing a timing jitter which happens periodically due to some interrupt,
which is causing the task to be delayed. Since this happens periodically, it
is indeed a slow varying timing jitter, for example every 400ms, the timing
deviation is in the order of few ms ( 4-6ms). This is not getting filtered
out by DLL, and results in a slow varying oscillations which never dies.

Any way to identify and limit these timing jitters and not to take any
action on drift correction by DLL ?

-ben

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