About a year ago Ozone platform abstraction layer started to take its shape in Chromium and we were excited how easily we could support Wayland platform using it. Everything went great and we helped a few Chromium targets like Crosswalk to debut in the Tizen ecosystem for example. More recently, different Ozone platforms have been implemented and only now it’s becoming evident the significance of Ozone for Chromium Linux, generally speaking.
Last week I’ve been in Brazil at 11th International Free Software Forum (FISL) talking about Linux Graphics for Small Devices*. I tried to cover a bit of everything that I learned in the world I’ve been immersed in some near past - I guess there aren’t many news for freedesktopers though. Anyway, everyone is very welcome to give any kind of feedback and comment on it. Just follow here.
Previously, the message was for toolkit, now it targets new upcoming developers… okay, if I’d be offensive I could say it targets vendor distributions which care for desktop on Linux :)
This week our laboratory at university released the MDM utility to ease the process of installation and configuration of a multiseat box. The idea is that the end-user should not use some boring and hard howtos anymore to deploy it. Just installing a distro package must be enough now. Try it, use it, report the bugs and send the patches! :)
GSoC summary #1 - July 29
The current implementation of X Window System relies in a signal scheme to manage the input event coming from hardware devices. This scheme frequently get blocked when lot of IO is occurring (for instance, when the process is swapping in/out). Get blocked means for instance a jumping cursor on the screen and in GUI is always desirable to prioritize the system responsiveness for end users. The human/computer interface should be smooth and this is the most user visible aspect of a system.
For my SoC project I need some mechanism to evaluate the improvement of the input thread inside X. So I wrote a simple kernel driver that emulates the mouse device moving and emitting bits of a simple pattern. I don’t know if something like this already exists or if there are other ways to do it, but the fact is that the solution I thought took me only few hours between the moment that I imagined, collected some ideas on the Web and implemented it.
After a long journey I come back in this… So I did a set of benchmarks to evaluate the VGA arbitration versus the RAC usage. My goal is to evaluate the performance difference of a multi-head/multi-card environment, i.e., an Xorg using the RAC to another using the arbitration.
