Method and apparatus for using a hardware disk controller for storing processor execution trace information on a storage device
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United States of America Patent
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Issued Date -
Jun 17, 2004
app pub date -
Feb 5, 2003
filing date -
Dec 13, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system and method for recording a test device's execution flow. The device under test is connected to a programmable hardware recording unit, or disk controller, with a cache memory. Output from the test device, representing the test device's execution flow, is written to a cache memory at the hardware recording unit. Data from the cache memory at the hardware recording unit is drained from the cache memory and written to a large capacity, non-volatile storage device. Execution trace data stored at the storage device may subsequently be reviewed to identify any problems that occurred while the test device was operating.
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