[Bug 77712] SNA performance regression from 3.13.7 to 3.14 kernel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77712

--- Comment #3 from Ildar Nurislamov <absorbb at gmail.com> ---
Created attachment 97809
  --> https://bugs.freedesktop.org/attachment.cgi?id=97809&action=edit
Difference of 3.13 and 3.14 configs

In a bare X session with only gtkperf running without WM 3.14 kernel is still
slower. but AddText results are equal.
I forgot to log results but afair most of the difference still came from
GtkComboBox and GtkComboBoxEntry tests.

I tried to compile 3.14 kernel with config based on my current 3.13. But so
many new parameters were introduced in 3.14 that resulting config file happened
to differ in a huge deal. Some of these parameters are about perf schemes and
scheduling. Playing around with them requires a lot of spare time. Maybe i will
do it later. For now i attach difference of config files - maybe you will see
something in it.

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