Keep Graph for Search Results
When I go to Logs, I see a graph. When I click colored squares on the bottom of that graph, it changes to show me only things from my status selections (note: that cross-out interface is confusing and no good, but that is a seperate suggestion).
When I search for something in the logs, the graph disappears. I still see Line / Bar / Reload... but no graph not even after reload. My suggestion is to show the graph with search results. That way if you search for an email that should be sent once a day, you can see from the graph that it is working or not.
Alternatively, you should hide the Line / Bar / Reload icons... without those I would have never even noticed or cared about the graph, but since I see those... I want to see a graph! :)