[Wayland-bugs] [Bug 63597] weston terminal: very high cpu usage

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=63597

Rob Bradford <rob at robster.org.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |NOTABUG

--- Comment #2 from Rob Bradford <rob at robster.org.uk> ---
Using sysprof to analyse this I see that we spend a large amount of time in
idle_redraw - a function that is throttled by the compositor (to vblank in the
DRM case and in the case of X11 every 10ms)

What we end up doing in that function is drawing all the glyphs using the Cairo
image backend something that cannot really be compared with rxvt.
weston-terminal is a "toy" terminal emulator and I don't believe there is any
bug present here.

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