[Bug 99457] Excessive CPU load by the xorg-server and GUI's hard lags

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Feb 10 07:28:05 UTC 2017


--- Comment #20 from Michel Dänzer <michel at daenzer.net> ---
(In reply to Eugenij Shkrigunov from comment #19)
> I compiled with debugging xorg-server-1.18.4, xf86-video-ati-7.7.0,
> mesa-12.0.1, tigervnc-1.7.1 and run oprofile.

Thanks. Any particular reason for not using sysprof? It would allow saving the
full profile data and attaching it here, so myself and others could analyze it
any way we want.

> Here are the data for the 5 minutes of inactivity of the KDM login screen:

Does the problem occur at the KDM login screen? The profile data looks like
there was almost no CPU activity at all. The profile needs to be taken while
the problem is occurring, just ~10s or so should be enough.

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