"What I mean is that this parallel pipeline might be able to watch over the main instruction pipeline, but would do not instruction processing. " How is it a pipeline if no instructions are going through it?
Sounds like you want to attach some type of monitoring unit. If so, you can probably add something to the cpu->tick() function which calls tick() on all the pipeline stages. You can either do some monitoring before each pipeline stage is run or at the end of each cycle do some monitoring on the whole pipeline. -- - Korey
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