-
PresentMon
Capture and analyze the high-level performance characteristics of graphics applications on Windows.
-
InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
EDIT - Intel's Presentmon has a "gpu busy" metric kinda designed to tell you if the gpu is waiting on the rest of the system and it's platform independent so should work with amd/nvidia stuff. https://game.intel.com/story/intel-presentmon/
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.