Imposing a logical structure on an unstructured trace record...

Details Imposing a logical structure on an unstructured trace record... Imposing a logical structure on an unstructured trace record...

2004-11-30

2008-09-09

Chu, Gabriel L (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C707S793000, C717S128000

Reexamination Certificate

active

07424646

ABSTRACT:
An apparatus, system, and method are disclosed for analyzing trace data that facilitates the analysis by minimizing extraneous results presented to a user. The apparatus includes a user interface to define a query expression based on a condition and one or more parameters and to display a report of trace entries satisfying the query expression. A record handler retrieves an unstructured trace record from a storage device or database. A structuring module divides the unstructured trace record logically into two or more trace entries based on structural information. A comparison module applies the query expression to each entry. This application of the query expression may include further sub-dividing the entry logically to search on a sub-entry level. The comparison module assembles entries satisfying the query expression into an abridged trace record. A report engine combines the abridged trace records into a report of trace entries satisfying the query expression.

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Y. Zhang and R. Gupta, “Path Matching in Comopressed Control Flow Traces”, Data Compresseion Conference, 2002 IEEE.

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