Mir

Comment 8 for bug 1665802

Revision history for this message
Alberto Aguirre (albaguirre) wrote :

When the fps drops down to 27fps from the report above, that's when high cpu usage starts.

And yep looking at the PosixTimestamp in sleep_until after that point, they are in the past (so app is spinning - hence the high cpu usage).

Decreasing the size of the window helps.

It may be indeed this driver doesn't like swapInterval 0.