21 Dec
2016
21 Dec
'16
2:50 p.m.
https://bugs.freedesktop.org/show_bug.cgi?id=99130
--- Comment #11 from Dorota Czaplejewicz dorota.czaplejewicz@collabora.co.uk --- Created attachment 128606 --> https://bugs.freedesktop.org/attachment.cgi?id=128606&action=edit ftrace call graph log for i915_gem_wait_ioctl
The call log capturing i915_gem_wait_ioctl invokation and overhead. The time of ioctl itself (20ns) is dwarfed by a slowdown somewhere in console_unlock() related to printk() calls (650ns)
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