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→What is Disk I/O analysis
It requires the program to be run as administrator.
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What it is used for is to identify the imbalances between I/O operations and computational operations, as well as times the latency of the I/O requests.
Used to minimized the CPU usage and effectively use the I/O device. It combines the usage of system file cache and user buffer
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Analyze I/O data in Synchronous user and buffer mode
Command Line Argument: -f out.txt -m s
Used in the user buffer to further optimize the operation, program is I/O bound
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Analyze I/O data in Asynchronous user and buffer mode
Command Line Argument: -f out.txt -m a
Uses two user buffers and asynchronously submits data to the disk
== Resources ==