For the * for threads, there should be an 'add custom threads by name' text box IIRC. If the issue is resolved by double buffering I think further profile runs are not needed. I will dupe this into the other bug as this appears graphics related and there is already more graphics specific discussion there.
Bug 1607899 Comment 18 Edit History
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If the issue is resolved by double buffering I think further profile runs are not needed. In case it's useful in future, for the * for threads, there should be an 'add custom threads by name' text box IIRC. I will dupe this into the other bug as this appears graphics related and there is already more graphics specific discussion there.