Comment # 2
on bug 105171
from Clemens Eisserer
The commit causing this regression is: 8b3a257851905ff444d981e52938cbf2b36ba830 is the first bad commit commit 8b3a257851905ff444d981e52938cbf2b36ba830 Author: Marek Olšák <marek.olsak@amd.com> Date: Tue Jul 18 16:08:44 2017 -0400 radeonsi: set a per-buffer flag that disables inter-process sharing (v4) For lower overhead in the CS ioctl. Winsys allocators are not used with interprocess-sharable resources. v2: It shouldn't crash anymore, but the kernel will reject the new flag. v3 (christian): Rename the flag, avoid sending those buffers in the BO list. v4 (christian): Remove setting the kernel flag for now Reviewed-by: Marek Olšák <marek.olsak@amd.com> :040000 040000 b775b6b0ea5b971d2165a644ea8912c120f54431 2e4b2737f37ede2bbdbbe6815fe0fa562177c2b7 M src x11per -putimage10 regressed from 75 kOps/s to 22 kOps/s after this patch running Xephyr with vblank disabled. before: 400000 reps @ 0.0130 msec ( 77000.0/sec): PutImage 10x10 square after: 120000 reps @ 0.0457 msec ( 21900.0/sec): PutImage 10x10 square
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