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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#c38">Comment # 38</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:owen.zhang@intel.com" title="Owen Zhang <owen.zhang@intel.com>"> <span class="fn">Owen Zhang</span></a>
</span></b>
<pre>(In reply to Tvrtko Ursulin from <a href="show_bug.cgi?id=109830#c37">comment #37</a>)
<span class="quote">> Ignoring these patches for now, but with pre-caching and output to /dev/null
> only. The iowait is still the same? </span >
from our test, yes.
and from QA test:
only device mapper patch, the iowait can't down.
only io_schedule_timeout to schedule_timeout, the iowait can't down.
both device mapper patch and schedule timeout changes, the iowait can down.
thanks very much.</pre>
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