Hi, This patch series implements the weston-debug interface and tool, as previously worked on by Pekka, Maniraj and Emre.
The xwm changes are unchanged from the previous series, and additionally reviewed by myself. The core protocol has seen the addition of a registry-like advertising interface: this allows the tool to bind to all scopes if requested, or to list them in a slightly more friendly format. On top of this, I have added a 'scene-graph' debug interface which prints some information about the outputs, as well as the current trees of layers and views. This could likely be improved to be more informative about, e.g., subsurfaces. It also doesn't print much for SHM buffers in particular, as these are often not retained after upload. Rather than carry around a 'drm debug' patch in my tree forever, I have implemented most of the information from that patch as a new 'drm-backend' scope, which prints as much information as possible about the repaint cycle, including why it has (or hasn't!) assigned views to planes. I would like to push this further, including enhanced surface and buffer debug as above, but these require pushing more information back from the renderer and backend into the core. Similarly, I would like to add a command-line argument which will automatically log the output of named scopes into the core Weston log, for debugging issues with startup in particular. One additional feature I think would be very useful is implementing a ring buffer for all debug scopes, recording all output even if the scope is not active. A 'something bad happened' debug keybinding could then be added which would dump all the stored output, allowing us to find out more about issues which happened in the past, without incurring the runtime overhead of dumping huge files to disk. Given the above two paragraphs are a little more invasive and controversial, I thought it would be best to send these out now, and then see where we can take it from there. Cheers, Daniel _______________________________________________ wayland-devel mailing list wayland-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/wayland-devel