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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [i915][SKL] Headless mode media transcoding is 20-30% slower comparing to connected monitor use case"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100572#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [i915][SKL] Headless mode media transcoding is 20-30% slower comparing to connected monitor use case"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100572">bug 100572</a>
from <span class="vcard"><a class="email" href="mailto:dmitry.v.rogozhkin@intel.com" title="Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>"> <span class="fn">Dmitry Rogozhkin</span></a>
</span></b>
<pre>I am attaching 3 dmesg shots corresponding to the following command sequence:
# dmesg > dmesg.0.after_boot
#
# ./run_libyami.sh
3596 frame decoded, fps = 143.44. fps after 5 frames = 143.55.
transcode done
# ./run_libyami.sh
3596 frame decoded, fps = 160.02. fps after 5 frames = 160.18.
transcode done
#
# dmesg > dmesg.1.headless
#
# cat /sys/class/drm/card0-HDMI-A-1/status
disconnected
#
# echo on > /sys/class/drm/card0-HDMI-A-1/status
# cat /sys/class/drm/card0-HDMI-A-1/status
connected
#
# ./run_libyami.sh
3596 frame decoded, fps = 197.47. fps after 5 frames = 197.67.
transcode done
# ./run_wrap.libyami.sh
3596 frame decoded, fps = 209.68. fps after 5 frames = 209.91.
transcode done
#
# dmesg > dmesg.1.hdmi-a-ON</pre>
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