Autonomic I/O tracing and performance tuning
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United States of America Patent
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Sep 17, 2013
Grant Date -
Jan 5, 2012
app pub date -
Jun 30, 2010
filing date -
Jun 30, 2010
priority date (Note) -
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Abstract
In an embodiment, a kernel performs autonomic input/output tracing and performance tuning. A first table is provided in a device driver framework and a second table in a kernel of a computer. An input/output device monitoring tool is provided in the device driver framework. A plurality of instructions in the kernel compares each value in the first table with each value in the second table. Responsive to a match of a value in the first table and a value in the second table, the kernel automatically runs a command line to perform a system trace, a component trace, or a tuning task. The first table is populated with a plurality of values calculated from a plurality of data in a plurality of device memories and in the controller memory and the second table is populated in accordance with a second plurality of inputs to the command line interface.
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