https://bugs.winehq.org/show_bug.cgi?id=53947
--- Comment #8 from Bartosz gang65@poczta.onet.pl --- I have run oprofile with wine-8.20, and here is the results:
CPU: Intel Haswell microarchitecture, speed 3700 MHz (estimated) Counted CPU_CLK_UNHALTED events (Clock cycles when not halted) with a unit mask of 0x00 (No unit mask) count 100000 samples % image name app name symbol name 254487 17.1461 gdiplus.dll wine _resample_bitmap_pixel 170679 11.4995 no-vmlinux wine /no-vmlinux 160177 10.7919 win32u.so wine /opt/wine-devel/lib/wine/i386-unix/win32u.so 117085 7.8886 gdiplus.dll wine _GdipBitmapSetPixel@16 103532 6.9755 gdiplus.dll wine _GdipDrawImagePointsRect@48 87948 5.9255 anon (tgid:6993 range:0x7ae70000-0x7b172fff) wine anon (tgid:6993 range:0x7ae70000-0x7b172fff) 55544 3.7423 gdiplus.dll wine _sample_bitmap_pixel 55214 3.7200 gdiplus.dll wine _alpha_blend_pixels_hrgn