I had a supervisor once who told us that she would not be able to notice everything we did, she would mostly see the numbers that came up on reports and get an overall idea of our performance in passing through our areas. So she asked us to use our daily to-do list to create a weekly "done" list. We made our to-do lists each day and prioritized them by emergent/urgent/other. We marked things off as we did them. BUT, we saved them each day. On Friday, we compiled a bulletted list of what we had accomplished during the week and turned it in with our overtime sheets. It helped her know what to say about us on annual reviews, etc.