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<body><span class="vcard"><a class="email" href="mailto:eero.t.tamminen@intel.com" title="Eero Tamminen <eero.t.tamminen@intel.com>"> <span class="fn">Eero Tamminen</span></a>
</span> changed
<a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED FIXED - _drm_intel_gem_bo_references() function takes half the CPU with Witcher2 game"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86969">bug 86969</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>RESOLVED
</td>
<td>VERIFIED
</td>
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<b><a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED FIXED - _drm_intel_gem_bo_references() function takes half the CPU with Witcher2 game"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86969#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED FIXED - _drm_intel_gem_bo_references() function takes half the CPU with Witcher2 game"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86969">bug 86969</a>
from <span class="vcard"><a class="email" href="mailto:eero.t.tamminen@intel.com" title="Eero Tamminen <eero.t.tamminen@intel.com>"> <span class="fn">Eero Tamminen</span></a>
</span></b>
<pre>Verified. CPU utilization is lower, now CPU freq can also sometimes dip lower
(on the core on which witcher is running). FPS is same, it just fluctuates a
bit more due to CPU freq changes.
CPU utilization is now mostly due to there just being a lot of system calls
(vdso usage below is just for clock_gettime()), not because of libdrm
relocations:
36,70% 76240 [kernel.kallsyms]
15,13% 25936 [vdso]
13,69% 32532 perf-20837.map
11,94% 20298 i965_dri.so
8,54% 15647 the
4,71% 8515 libpthread-2.19.so
4,30% 7280 libdrm_intel.so.1.0.0
1,82% 3456 libc-2.19.so
1,10% 1857 libglapi.so.0.0.0
0,77% 1304 libdrm.so.2.4.0</pre>
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