From: Chris W. <cw...@f0...> - 2006-01-24 06:57:35
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On Mon, Jan 23, 2006 at 10:40:37PM -0800, Kam Tsa wrote: > If I perform the read in a tight loop, each bulk read takes exactly > 2 ms (while CPU usages is virtually zero). Then, I insert in the > reading loop a delay of 0.5ms, the entire loop still take 2 ms > (0.5ms for the delay and 1.5ms for the bulk read). Running linux with HZ==1000? |