Mir

Comment 1 for bug 1549359

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Alberto Aguirre (albaguirre) wrote : Re: Rendering stutters when a new client stablishes a connection

The stutter is caused by blocking of the ipc thread for too long when creating a new session so other clients submitting swapping requests get blocked.

What ends up taking time is the querying of the display configuration when creating a new ApplicationSession, which in my xenial haswell laptop takes about 255ms.
The main culprit is the drmModeGetConnector call which takes around 125+ms per connector in my laptop.