Interrupt optimization using storage time for peripheral component events
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United States of America Patent
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Mar 4, 2003
Grant Date -
N/A
app pub date -
Jan 26, 1999
filing date -
Jan 26, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and system for efficiently servicing a peripheral component event. In one embodiment of the present invention, peripheral component events are coalesced. The time that a peripheral component event has been stored is determined. This time interval is then compared to a storage time threshold. This process continues until the time that a peripheral component event has been stored meets or exceeds the storage time threshold. Once time that a peripheral component event has been stored meets or exceeds the storage time threshold, an interrupt is generated. By appropriately selecting a storage time threshold, the generation of interrupts is optimized. As a result, the present invention optimizes the generation of interrupts, reducing the frequency with which interrupts are generated, and minimizing the CPU overhead associated with the servicing of interrupts.
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