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[Qemu-devel] [Bug 1802915] Re: GTK display refresh rate is throttled
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From: |
Chen Zhang |
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Subject: |
[Qemu-devel] [Bug 1802915] Re: GTK display refresh rate is throttled |
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Date: |
Mon, 12 Nov 2018 13:17:14 -0000 |
Slow motion clips for host/guest were uploaded as attachments.
** Attachment added: "slow motion for host os"
https://bugs.launchpad.net/qemu/+bug/1802915/+attachment/5211843/+files/host.mov
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https://bugs.launchpad.net/bugs/1802915
Title:
GTK display refresh rate is throttled
Status in QEMU:
New
Bug description:
Guest OS running with GL enabled GTK display shows a reduced refresh
rate, e.g. moving cursor around with iGVT-g DMA Buf.
It seems that a default refresh interval GUI_REFRESH_INTERVAL_DEFAULT
(30ms) is defined in include/ui/console.h, throttling the display
refresh rate at 33Hz.
To correct this throttle issue, a shorter interval should be applied
to display change listener or the default value should be used.
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