Trace messaging device and methods thereof

Trace messaging device and methods thereof

A method of generating timestamped trace messages includes generating a trace message in response to an event at an instruction pipeline of a data processing device. If timestamping is enabled, timestamps are only included in the trace message only if a programmable condition is detected. For exampl...

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Hauptverfasser: Xu, Zheng, Bhaskaran, Suraj, Collins, Richard G, Nearing, Jason T
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Sprache:eng
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creator Xu, Zheng
Bhaskaran, Suraj
Collins, Richard G
Nearing, Jason T
description A method of generating timestamped trace messages includes generating a trace message in response to an event at an instruction pipeline of a data processing device. If timestamping is enabled, timestamps are only included in the trace message only if a programmable condition is detected. For example, a timestamp can be included in the trace message if the amount of space used to store messages at a trace message buffer exceeds a watermark value. The condition that results in a timestamped trace message is programmable, and can be selected via a debug interface. Because timestamps are only included in trace messages when the programmable condition is satisfied, some trace messages will not include a timestamp, thereby reducing the amount of buffer space needed to store the trace messages.
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