Hi all, So i pushed a new dump facility in libdrm, it will dump everything needed to replay a command stream you just need to set CS_BOF_DUMP to 1 but be aware that any application that you launch will than create a new file for each cs it sends and file can be several M or maybe even G if you try dumping a program with hugue number of big texture.
The dump file format is inefficiant and dump everythings and don't try to take advantages of buffer being the same from one cs to the other but i wasted a couple of week trying to be clever and i don't think it's worth the trouble it only makes things more complex and more buggy. So i am now quite happy with the current design after all it's intended only to be use as a debug helper while writting driver or trying to fix a driver bug. Of course this would be pretty useless without a way to replay those file so i did hackup a quick tools radeondb that i wish to grow to swiss knife for radeon debugging. Some of its function needs to be run outside X with KMS enabled and as root (replaying cs needs that). So to replay a command stream simply do : radeondb -p mycsfile.bof You shall see the content of the rendered buffer before the cs get executed, press a key and you shall see the content of the rendered buffer once the cs is executed. I was able to replay openarena cs so i am pretty confident that it should work well. The program also check that you are replaying a command stream on a valid gpu ie don't try to replay cs of r3xx hw on r5xx hw. I intend to do an X friendly version of the tools at one point. In the meantime i will be adding r5xx,r3xx support over the weekend and latter r1xx,r2xx (most of what is needed is autogenerated file see r600_states.h). I am also working on adding the same dump format to kernel to capture cs responsible of GPU lockup. Idea/comments are welcome Cheers, Jerome radeondb should show up at: http://cgit.freedesktop.org/~glisse/radeondb ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
