[brendangregg]

I could just regenerate these heat maps with 60 rows instead of 50. I'm limited by the sampling rate that was captured in the profile data file. To provide even more resolution (so you had many samples within a game frame) I'd need to re-profile the target with a higher frequency.

When Martin, my colleague at Netflix at the time, built a d3 version of FlameScope, he put a row selector in the UI: https://github.com/Netflix/flamescope