Sampling mechanism including instruction filtering

Details Sampling mechanism including instruction filtering Sampling mechanism including instruction filtering

2006-08-22

2006-08-22

Beausoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S047300, C712S227000, C717S127000

Reexamination Certificate

active

07096390

ABSTRACT:
A sampling mechanism is disclosed in which software can specify a property or properties which characterize samples of interest. For example, if the software is interested in cache behavior, the software can specify that information for memory operations, or only information for memory instructions which miss in one or more caches, be reported. The sampling mechanism may specify many such properties and events (properties and events may vary from processor to processor, and may also depend on which properties or events are considered useful for performance analysis).

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Dean, Jeffrey; Hicks, James E.; Waldspurger, Carl A.; Wiehl, William E.; Chrysos, George;ProfileMe: Hardware Support for Instruction-Level Profiling on Out-of-Order Processors, 1997 IEEE Published in the Proceedings of Micro-30, Dec. 1-3, 1997, Research Triangle Park, North Carolina.
Dean, Jeffrey; Hicks, James E.; Waldspurger, Carl A.; Weihl, William E.;Transparent, Low-Overhead Profiling on Modern Processors, http://www.research.digital.com/SRC/dcpi/.
IA-32 Intel Architecture Software Developer's Manual, vol. 3: System Programming Guide, 1997 Intel Corporation.

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