On Mon, 16 Aug 2010 10:22:35 +0300, Pasi Kärkkäinen <pasik@xxxxxx> wrote: > Hello, > > Do we currently have a method of profiling DRI/DRM drivers? > > I was thinking that it would be interesting to: > > 1) Execute a benchmark, or some "timedemo" of a game > 2) See how many times each dri/drm driver function is called, > maybe top 20 most often called functions, > and the total cpu time used for those functions. > > So you could see that: > > 1) some function is called often, but it doesn't take much total cpu time. > 2) some function is called just a couple of times, but it takes a lot of cpu time. > > And everything in between.. would be good hints to use for optimizing the apps/drivers, > and for comparison between different versions.. > > Does this make sense? The tool to use is called "sysprof" and is ridiculously easy to use (on 32-bit x86). Click start, click stop, see where time was spent, go fix that.
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