On Thu, 2012-03-01 at 13:01 -0500, mwesten wrote: > I set this up on the Alpha release and the results are below. I'm > assuming there's something wrong with that top entry, but I don't know > how to fix it. > > Events: 50K cycles > > 55.99% gnome-shell perf-6425.map [.] 0x19b99e This is how perf reports the dynamically generated code emitted by llvm. But... > 4.91% gnome-shell swrast_dri.so [.] > lp_tile_b8g8r8x8_unorm_swizzle_4ub > 3.50% gnome-shell swrast_dri.so [.] > lp_tile_b8g8r8x8_unorm_unswizzle_4ub > 2.60% gnome-shell libX11.so.6.3.0 [.] _XPutPixel32 > 2.57% gnome-shell libX11.so.6.3.0 [.] _XGetPixel32 That the percentages fall off so quickly is a little suspicious. To me that reads as though gnome-shell itself is being starved for work to do and that other things are actually taking more time. Is this perf trace from the whole system or just of gnome-shell? - ajax
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