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<body><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> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WORKSFORME - 3% perf drop in GfxBench Manhattan 3.0, 3.1 and CarChase test-cases"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111090">bug 111090</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;">Resolution</td>
<td>---
</td>
<td>WORKSFORME
</td>
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WORKSFORME - 3% perf drop in GfxBench Manhattan 3.0, 3.1 and CarChase test-cases"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111090#c19">Comment # 19</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WORKSFORME - 3% perf drop in GfxBench Manhattan 3.0, 3.1 and CarChase test-cases"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111090">bug 111090</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>The final improvement we are likely to make for the time being is
commit 2850748ef8763ab46958e43a4d1c445f29eeb37d
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Fri Oct 4 14:39:58 2019 +0100
drm/i915: Pull i915_vma_pin under the vm->mutex
which removes the global struct_mutex from inside the shrinker -- so this pair
of benchmarks that appeared to be kicking kswapd should be hitting the mutex
far less often and so removing contention from the gfx workload.</pre>
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