On Tue, Mar 22, 2016 at 06:26:48PM +0100, Piotr Luc wrote: > From: Piotr Luc <Piotr.Luc@xxxxxxxxx> > > The aim of the test is to stress i915 memory eviction mechanism. > The test runs many processes, each of it executes NOP batch > which has attached really big data buffers chain. > > While this is unusual use case, rather it doesn't occur in > normal games or applications, it possible to imagine that an > offending application can use the weakness of low memory handler > and i915 buffer eviction mechanism to conduct DoS attack. > Note that achieving this goal on standard PC could be difficult, > it may be easy in a system with limited capabilities (little memory, > lack of swap, a small number of cores). I had a go at capturing your requirements a little more concisely as igt/gem_shrink. Hopefully that gives you a superset of what you wanted to do here, and prove to be a useful platform to build upon. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
