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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [IVB bisected] gnome-system-monitor perforamnce reduce by ~40%"
href="https://bugs.freedesktop.org/show_bug.cgi?id=59044">59044</a>
</td>
</tr>
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<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
<tr>
<th>Summary</th>
<td>[IVB bisected] gnome-system-monitor perforamnce reduce by ~40%
</td>
</tr>
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<th>QA Contact</th>
<td>cairo-bugs@cairographics.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Reporter</th>
<td>yex.tian@intel.com
</td>
</tr>
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<th>Hardware</th>
<td>x86 (IA32)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>1.12.8
</td>
</tr>
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<th>Component</th>
<td>xlib backend
</td>
</tr>
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<th>Product</th>
<td>cairo
</td>
</tr></table>
<p>
<div>
<pre>System Environment:
----------------------------------------------
Platform:IVB
Mesa: (9.0)0ac90296a092f846647812318913b0e492775f31
Cairo: (master)9dde964553f74ccbc037b13ca83d0abb46adb194
Kernel:(drm-intel-fixes) da494d7ca5e0a1afca3480826b5060e15c951e80
Bug detailed description:
----------------------------------------------
Cairo (benchmark/full)gnome-system-monitor performance reduced by ~40% on IVB
It's cairo regression. By bisected, show that 5bc1b1f6a is the first bad
commit.
commit 5bc1b1f6aac108d9a3963352ad774bb4fcd69e28
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Fri Aug 24 17:22:34 2012 +0100
stroke: Make the incremental trapezoid stroker optionally available again
Performance:
-----------------------------------------------
74941f8 is 5bc1b1 parents commit.
74941f8 5bc1b1
(benchmark)gnome-system-monitor 0.97 1.62
Reproduce steps:
---------------------------------------------
1, xinit&
2, vblank_mode=0 CAIRO_TEST_TARGET=xlib ./cairo-perf-trace
../benchmark/gnome-system-monitor</pre>
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