Event tracing with time stamp compression and history buffer based compression
First Claim
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1. A method in a data processing system for generating trace data, the method comprising:
- responsive to detecting a trace event, determining whether identifiers for the trace event match recorded identifiers for a record in a set of previously recorded trace events; and
placing location information for the record in the trace data if a match between identifiers for the trace event and recorded identifiers for the record in the set of previously recorded trace events is present.
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Abstract
An improved method, apparatus, and computer instructions for generating trace data. In response to detecting a trace event, a determination is made as to whether identifiers for the trace event match recorded identifiers for a record in a set of previously recorded trace events. Location information for the record is placed in the trace data if a match between identifiers for the trace event and recorded identifiers for the record in the set of previously recorded trace events.
54 Citations
18 Claims
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1. A method in a data processing system for generating trace data, the method comprising:
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responsive to detecting a trace event, determining whether identifiers for the trace event match recorded identifiers for a record in a set of previously recorded trace events; and
placing location information for the record in the trace data if a match between identifiers for the trace event and recorded identifiers for the record in the set of previously recorded trace events is present. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A data processing system for generating trace data, the data processing system comprising:
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determining means, responsive to detecting a trace event, for determining whether identifiers for the trace event match recorded identifiers for a record in a set of previously recorded trace events; and
placing means for placing location information for the record in the trace data if a match between identifiers for the trace event and recorded identifiers for the record in the set of previously recorded trace events is present. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A computer program product in a data processing system for generating trace data, the computer program product comprising:
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first instructions, responsive to detecting a trace event, for determining whether identifiers for the trace event match recorded identifiers for a record in a set of previously recorded trace events; and
second instructions for placing location information for the record in the trace data if a match between identifiers for the trace event and recorded identifiers for the record in the set of previously recorded trace events is present. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification