** Branch linked: lp:~ci-train-bot/mir/mir-ubuntu-zesty-2369 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to mir in Ubuntu. https://bugs.launchpad.net/bugs/1651638
Title: [regression] Latency for fullscreen interval 0 clients (e.g. games and benchmarks) increased with the introduction of nested passthrough Status in Mir: Fix Committed Status in Mir 0.25 series: Triaged Status in mir package in Ubuntu: New Bug description: Nested fullscreen interval 0 clients in Mir 0.25.0 had higher latency than interval 1 nested fullscreen clients. I've reproduced this a couple of times and it is concerning: Mir 0.25: Interval 0: 81ms <-- regression Interval 1: 64ms <-- improvement Mir 0.24: Interval 0: 70ms Interval 1: 96ms It's the obvious green spike in this chart: https://docs.google.com/spreadsheets/d/1RbTVDbx04ohkF4-md3wAlgmxbSI1DttstnT6xdcXhZQ/pubchart?oid=1566479835&format=interactive Although this regression appears to be resolved in the 0.26 series (lp:mir) it's serious enough that we should look into finding what the cause was so that Mir 0.25.1 can get the same fix. To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1651638/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp