US Patent Application No: 2009/0313,507

Number of patents in Portfolio can not be more than 2000

Generation of trace data in a multi-processor system

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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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Patent Owner(s)

Patent OwnerAddressTotal Patents
ARM LIMITEDCAMBRIDGE758

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hart, David Kevin Cambridge, GB 5 6
Rose, Andrew Christopher Cambridge, GB 53 85
Swaine, Andrew Brookfield Cambridge, GB 35 96
Williams, Michael John Ely, GB 74 245

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
ARM LIMITED (1)
7,809,989 Performing diagnostic operations upon an asymmetric multiprocessor apparatus 0 2007
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (1)
8,443,175 Microprocessor with first processor for debugging second processor 0 2010