Have you tried using 'powermetrics'? sudo powermetrics --samplers smc |grep -i "GPU die temperature" sudo powermetrics --samplers smc |grep -i "CPU di

Have you tried using 'powermetrics'? sudo powermetrics --samplers smc |grep -i "GPU die temperature" sudo powermetrics --samplers smc |grep -i "CPU die temperature" It's proactive, but at least it is a useful tool.