CPU: Core 2, speed 2133.47 MHz (estimated) Counted CPU_CLK_UNHALTED events (Clock cycles when not halted) with a unit mask of 0x00 (Unhalted core cycles) count 100000 samples % symbol name 28445 46.3342 pixman_region_unionO 15050 24.5150 pixman_op 5950 9.6920 fbCompositeSrcAdd_8000x8000mmx 1718 2.7985 pixman_image_composite 1070 1.7429 pixman_compute_composite_region 805 1.3113 pixman_region_init 780 1.2705 pixman_region_rectangles 777 1.2657 __i686.get_pc_thunk.bx 771 1.2559 .plt 692 1.1272 allocate_image 691 1.1256 pixman_region_fini 620 1.0099 pixman_image_create_bits 620 1.0099 pixman_region_union 573 0.9334 pixman_image_unref 500 0.8145 pixman_region_n_rects 412 0.6711 pixman_region_init_rect 304 0.4952 pixman_rect_alloc 302 0.4919 reset_clip_region 299 0.4870 pixman_region_not_empty 290 0.4724 pixman_region_copy 179 0.2916 pixman_have_mmx 153 0.2492 pixman_image_set_clip_region 136 0.2215 pixman_image_set_filter 97 0.1580 pixman_image_set_repeat 79 0.1287 pixman_image_set_component_alpha 54 0.0880 pixman_region_intersect 18 0.0293 pixman_region_translate 6 0.0098 pixman_region_init_with_extents