METHOD, APPARATUS AND TRACE MODULE FOR GENERATING TIMESTAMPS

METHOD, APPARATUS AND TRACE MODULE FOR GENERATING TIMESTAMPS

PROBLEM TO BE SOLVED: To generate timestamps efficiently. SOLUTION: This invention relates to the field of data processing, in particular, a method, apparatus 1 and trace module 12 for generating timestamps while tracing characteristics of a data processing apparatus or processing being performed by...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: ASHFIELD EDMOND JOHN SIMON, WILLIAMS MICHAEL JOHN, JOHN MICHAEL HORLEY
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To generate timestamps efficiently. SOLUTION: This invention relates to the field of data processing, in particular, a method, apparatus 1 and trace module 12 for generating timestamps while tracing characteristics of a data processing apparatus or processing being performed by the data processing apparatus. When a predetermined event occurs, a timestamp request flag 18 is set to indicate that a timestamp request is pending. Upon generation of a following trace packet, it is determined whether the timestamp request flag indicates that a timestamp request is pending, and if a request is pending then a timestamp is generated corresponding to the following trace packet, and the timestamp request flag is set to indicate that there is no pending timestamp request. COPYRIGHT: (C)2011,JPO&INPIT