On Tuesday 02 September 2014 11:18:19 Nancy Zou wrote: > Hi All > > I run qt example openglwindow on my embedded system. I find on qpa eglfs, it > only have 35fps. On qpa wayland( compostitor Weston 1.5), it only have > 13fps. If I run a same opengl demp directly, it can have about 70fps. > When run Qt app, I find cpu and gpu loading is not very high. Why the fps is > low. Which function consumed the system time? My Qt version is 5.3.0. > Does anyone met the same problem or I should do some configuration?
You should answer this question yourself and present the results to us. Only you have your specific software/hardware combination setup properly. Try Linux' `perf top` e.g. or run your application via `perf record --call-graph=dwarf yourapp`. Then do a `perf report` and take a look at the results. Remember to compile your application and all important dependencies (esp. Qt) in release mode with debug symbols, i.e. at least use the compile flags `-O2 -g`. Bye -- Milian Wolff [email protected] http://milianw.de _______________________________________________ Development mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/development
