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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - SNA performance regression from 3.13.7 to 3.14 kernel"
href="https://bugs.freedesktop.org/show_bug.cgi?id=77712#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - SNA performance regression from 3.13.7 to 3.14 kernel"
href="https://bugs.freedesktop.org/show_bug.cgi?id=77712">bug 77712</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=77712#c5">comment #5</a>)
<span class="quote">> 3.15rc2 from <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [gm45 regression] [drm:init_ring_common]: *ERROR* render ring initialization failed"
href="show_bug.cgi?id=76554">bug76554</a> branch regressed even more
> GtkPerf 0.40 - Starting testing: Wed Apr 23 16:18:54 2014
>
> GtkEntry - time: 0.03
> GtkComboBox - time: 0.46
> GtkComboBoxEntry - time: 0.36
> GtkSpinButton - time: 0.04
> GtkProgressBar - time: 0.02
> GtkToggleButton - time: 0.03
> GtkCheckButton - time: 0.03
> GtkRadioButton - time: 0.04
> GtkTextView - Add text - time: 0.20
> GtkTextView - Scroll - time: 0.09
> GtkDrawingArea - Lines - time: 0.38
> GtkDrawingArea - Circles - time: 0.27
> GtkDrawingArea - Text - time: 0.12
> GtkDrawingArea - Pixbufs - time: 0.01
> ---
> Total time: 2.09
>
> Lines and Circles regressed hard.</span >
Yes. That's due to the new idiotic cmd parser. You have to disable it in order
to get comparable results. :|
(In reply to <a href="show_bug.cgi?id=77712#c6">comment #6</a>)
<span class="quote">> That was printed in VT1 before welcome message:</span >
>
<span class="quote">> 2014-04-23T16:35:55.660575+04:00 linux-2uju kernel: [ 0.000000] Linux
> version 3.14.0-6.ga68bc7c-desktop+ (absorbb@linux-2uju) (gcc version 4.8.1
> 20130909 [gcc-4_8-branch revision 202388] (SUSE Linux) ) #1 SMP PREEMPT Tue
> Apr 22 17:11:42 MSK 2014
> ...
> 2014-04-23T16:35:55.661500+04:00 linux-2uju kernel: [ 0.386481] Ring
> render ring before initialisation: 00000000 00000000 00000000 00000000
> 2014-04-23T16:35:55.661501+04:00 linux-2uju kernel: [ 0.388218] Ring
> render ring after initialisation: 0001f001 00000008 00000008 009f1000
> 2014-04-23T16:35:55.661502+04:00 linux-2uju kernel: [ 0.388270] Ring bsd
> ring before initialisation: 00000000 00000000 00000000 00000000
> 2014-04-23T16:35:55.661503+04:00 linux-2uju kernel: [ 0.388283] Ring bsd
> ring after initialisation: 0001f001 00000008 00000008 00a13000
> 2014-04-23T16:35:55.661505+04:00 linux-2uju kernel: [ 0.388307] Ring
> blitter ring before initialisation: 00000000 00000000 00000000 00000000
> 2014-04-23T16:35:55.661506+04:00 linux-2uju kernel: [ 0.388320] Ring
> blitter ring after initialisation: 0001f001 00000008 00000008 00a34000
> 2014-04-23T16:35:55.661631+04:00 linux-2uju kernel: [ 0.503503]
> [drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO underrun
>
> Is this ok?</span >
The ring messages are just debug for another issue. The fifo underrun shouldn't
happen either, but doesn't affect things either.</pre>
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