Hardware profiling

A method comprising:

• receiving, by a trace control register, an input signal output by a combinatorial logic block;
• capturing, by a first register portion, the input signal to form a captured signal;
• capturing, by a second register portion, whether an event has occurred at least once within the combinatorial logic block during a testing period to form a captured event, wherein the occurrence of the event is based, at least in part, upon the input signal;
• outputting the captured signal via a first output path configured to select between a plurality of captured signals provided by respective trace control registers;
• and
• outputting the captured event via a second output path configured to output one or more captured events provided by one or more respective trace control registers.

A system comprising:

• a trace control register configured to receive one or more signals, wherein the trace control register comprises:
• a first register portion configured to generate one or more captured signals by capturing the one or more signals, and
• a second register portion configured to capture whether an event has occurred at least once within a combinatorial logic block during a testing period, wherein the occurrence of the event is determined by at least a portion of the one or more signals;
• a memory configured to store the one or more captured signals;
• and
• an access port configured to output the captured event.