Defines which pipeline stage is used for timestamp queries.
0: Use VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, less precise measures but less likely to alter performance (default)
1: Use VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, more precise measures but may alter performance on some platforms
Usage
r.Vulkan.TimestampQueryStage [value]
Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.