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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - CPU iowait higher when run the GPU multi decoding threads"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109830#c18">Comment # 18</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - CPU iowait higher when run the GPU multi decoding threads"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109830">bug 109830</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>If you s/io_schedule_timeout/schedule_timeout/ inside i915.ko and the iowait
remains... The iowait itself is nothing to do with us and we are just a victim;
merely a symptom -- and in all likelihood that iowait goes down is indicative
that _we_ regressed and are preventing the system from waiting for io elsewhere
by keeping it busy instead.</pre>
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