Firmware code profiling

Details Firmware code profiling Firmware code profiling

2007-01-02

2007-01-02

Beausoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S034000, C714S045000, C717S130000

Reexamination Certificate

active

10600243

ABSTRACT:
Disclosed herein are debugging tool(s) for profiling the frequency of execution of certain instructions in a host operation. The debugging tool causes interrupts to occur at random time intervals and records the address of the program counter at each interrupt. A profile is developed that indicates the frequency of execution of certain instructions after a statistically significant number of interrupts.

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patent: 5784554 (1998-07-01), Hsiung
patent: 6233678 (2001-05-01), Bala
patent: 6728949 (2004-04-01), Bryant et al.
patent: 2004/0163077 (2004-08-01), Dimpsey et al.
McCanne, Steven and Chris Torek, A Randomized Sampling Clock for CPU Utilization Estimation and Code Profiling, Jan. 1993, Winter USENIX conference 1993, pp. 2-3.

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