Re: X-Server 1.5.0 very sluggish

[Michel Dänzer <michel@xxxxxxxxxxxxxxxxxxxx>]

On Mon, 2008-09-15 at 12:31 -0400, Owen Taylor wrote:> > I don't have any immediate ideas, but I wanted to throw in the data> point that I also seem to see a sudden slowness on r300+EXA moving from> 1.4.99 snapshot from July 2 (current F9 packages) to 1.5.0. Somewhat> similar to what you describe, though not nearly as extreme. (Some> windows take a couple of seconds to repaint, but menus are normal.) > > This is leaving the radeon driver, mesa, etc, unchanged, and only> upgrading the X server.> > The slowness seems to be triggered by rendering UI elements in the GTK+> theme I'm using (Clearlooks, AFAIK) ... so it would be some sort of> problem with Render acceleration of gradients, masks, or similar. > > Looking at sysprof output, most of the time during sluggish redrawing> is spent migrating pixmaps from video memory into system memory inside a> Composite operation, so it appears that for some reason, software> fallbacks are being triggered. The sysprof output, unfortunately doesn't> have enough detail to be able to tell why that is happening.
Can one of you guys bisect this regression?

-- Earthling Michel Dänzer           |          http://tungstengraphics.comLibre software enthusiast         |          Debian, X and DRI developer
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