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Merging the coverage will overwrite the covergroup reports?

akagamisg over 2 years ago

Hi,

I want to merge the coverage report of two different runs of the same test.

For example,

Run 1 having a cover percentage of 60%. Let's the cov_work is in the path .run_1/cov_work/scope/sample_test

Run 2 having a cover percentage of 80% and it path shall be ./run2/cov_work/scope/sample_test

I wan to merge the coverage of both runs.

While merging both the coverage. The covergroup which is not hit 100% in run_1 will be overwritten by the covergroup which is hit 100% in run_2?

If not, is there is a way to generate the coverage in the above expected way?

Thanks

StephenH over 2 years ago

Merging performs a union of the hit counts, if if a bin gets hit in any one test, the same bin will be hit in the merged coverage.
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