Transaction elimination debugging

Have a question regarding Transaction elimination. I use HWCPipe library ( to check how many tiles were eliminated by CRC match. That works fine and I see that some amount of eliminated tiles. Now I'm curious is there are a way to instruct Mali to highlight tiles that are actually written to memory ?

I saw some examples here:  How low can you go? Building low-power, low-bandwidth ARM Mali GPUs 

and here: