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This presentation will introduce simple real-time GPU scheduler of XenGT running on automotive embedded system and explain why the real-time GPU scheduling and preemption should be needed for automotive system.
The reference target of automotive system consists of two VMs(Virtual Machine) which run on XenGT. One is digital instrument cluster VM and the other is In-Vehicle Infotainment VM. In case of digital instrument cluster system, it must guarantee the real-time GPU rendering of speedometer application at least 60 fps. To do this, GPU scheduler should support a priority-based scheduling and preemption function. The presentation will cover the current status of GPU virtulaization and what is needed to meet the requirement of real-time GPU rendering in automotive system.