Generation of trace data in a multi-processor system
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United States of America Patent
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Dec 29, 2015
Grant Date -
Dec 17, 2009
app pub date -
Jun 11, 2008
filing date -
Jun 11, 2008
priority date (Note) -
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Abstract
A data processing apparatus is provided having a plurality of processing circuits each having access to a memory. Tracing circuitry is provided for generating a stream of trace data for generating a stream of trace data corresponding to at least one of the plurality of processing circuits. Selection circuitry is provided to enable selective switching of the tracing circuitry from generating a first trace data stream corresponding to a first one of the plurality of processing circuits generating a second different trace data stream corresponding to a different one of the plurality of processing circuits. The selective switching is performed in dependence upon processing state information associating with one or more of the plurality of processing circuits. A corresponding method and computer program product are also provided.
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