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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - constant fps drops with Intel and Radeon"
href="https://bugs.freedesktop.org/show_bug.cgi?id=87886#c25">Comment # 25</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - constant fps drops with Intel and Radeon"
href="https://bugs.freedesktop.org/show_bug.cgi?id=87886">bug 87886</a>
from <span class="vcard"><a class="email" href="mailto:michel@daenzer.net" title="Michel Dänzer <michel@daenzer.net>"> <span class="fn">Michel Dänzer</span></a>
</span></b>
<pre>(In reply to Stéphane Travostino from <a href="show_bug.cgi?id=87886#c24">comment #24</a>)
<span class="quote">> yes I confirm I can reproduce the same FPS drops with glxgears, Intel and
> vsync disabled.</span >
So, it seems like something is causing the performance of your system as a
whole to degrade at regular intervals.
Does top show any additional CPU load while performance is degraded? Or does
something like iotop or vmstat show I/O during those times?
Does it also affect pure CPU applications, e.g. audio or video encoding /
transcoding?</pre>
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