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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - R9285 Unreal tournament perf regression with agd5f 4.15-wip kernels possibly CPU related"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103175">103175</a>
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<th>Summary</th>
<td>R9285 Unreal tournament perf regression with agd5f 4.15-wip kernels possibly CPU related
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>DRI git
</td>
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<th>Hardware</th>
<td>Other
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>DRM/AMDgpu
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
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<th>Reporter</th>
<td>adf.lists@gmail.com
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<pre>Created <span class=""><a href="attachment.cgi?id=134765" name="attach_134765" title="good perf gallium hud on 4.14 kernel.">attachment 134765</a> <a href="attachment.cgi?id=134765&action=edit" title="good perf gallium hud on 4.14 kernel.">[details]</a></span>
good perf gallium hud on 4.14 kernel.
R9285 Tonga, Compared to older kernels I have a perf regression with latest
4.14.0-rc3 based and previous 4.13-rc5 based agd5f 4.15-wip kernels.
This doesn't seem to affect other things like xonotic or unigine demos.
Issue = on fixes 4.14 and other older kernels I've tried, the game is OK ish
perf wise, 25-60 fps.
On 4.15-wip its 10fps. Using HUD one obvious difference is that the slow case
is only mostly using one cpu core, on a good kernel all 4 of my old phenom 2 x4
are used - possible red herring of course, I'll upload some screenshots.
The game is pre-alpha and doesn't always render properly - but it was vaguely
playable fps wise until this kernel.</pre>
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