I don't think we have a uniform mechanism, currently each driver decides on their own. For the amdgpu driver we check that the process either has CAP_SYS_NICE or is the DRM master. On Wed, Aug 5, 2020 at 9:14 AM Yiwei Zhang <zzyiwei@xxxxxxxxxx> wrote: > > Hi friends, > > For Vulkan/EGL, upon creating gpu contexts, applications can ask for a > system-wide higher priority levels via VK_EXT_global_priority or > EGL_IMG_context_priority extensions. > > I'm curious if we have certain rules(some form of process privilege > check) in the kernel to limit non-privileged ones to never go beyond > default system-wide gpu scheduling priority. (e.g. not allow random > app processes to contend the GPU queues repeatedly/infinitely with > high/realtime priorities) > > Many thanks, > Yiwei - from Android Platform Graphics Team > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
