Testing Keyboard Input Latency (opens in new tab)

I occasionally see people go through great effort to do end-to-end testing of keyboard input latency. That is fantastic but it requires hardware and patience I don’t, nor will ever, have. Here is a much simpler way to get about 90% of the value. For example, everything but driver/interrupt handler latency and display link scanout/monitor … Continue reading Testing Keyboard Input Latency