CPC G06F 1/3278 (2013.01) [G06F 1/3228 (2013.01)] | 11 Claims |
1. An I/O latency tracking apparatus for storage devices, the apparatus comprising:
an I/O command generator generating an I/O command for a storage device;
an I/O processor providing an I/O request to the storage device based on the I/O command and completing the I/O command by polling the storage device to check I/O completion after sleeping for a sleep time; and
a sleep time adjustment unit adjusting the sleep time based on a sequence combination composed of two latest I/O sleep results among oversleep and undersleep results obtained during the polling process.
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