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Thread: about lost ticks!
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- Join Date
- Mar 2011
about lost ticks!
the lost ticks has puzzled me for a long time...In early 2.6, some code has been added to watch for "lost ticks" and increment the jiffies counter to compensate for them. A "lost tick" is when timer interrupts are masked for so long that ticks pile up and the kernel doesn't see each one individually, so it loses count.
But I do not know how lost tick overcompensation happen!!!
I hope some one can help me ! Thanks....