[window management] Performance regression on alt-tab since metacity's compositing was activated

Bug #794080 reported by Florian Boucault
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
unity-2d
Fix Released
High
Florian Boucault
metacity (Ubuntu)
Fix Released
Undecided
Unassigned

Bug Description

Doing alt tab between 2 gnome-terminal is nearly twice as slow with /apps/metacity/general/compositing_manager set to true.
The extra time is spent in the following 2 functions called in metacity's code:
- gdk_pixbuf_get_from_drawable (70%)
- gdk_pixbuf_scale_simple (30%)

Revision history for this message
Florian Boucault (fboucault) wrote :
Changed in unity-2d:
assignee: nobody → Ugo Riboni (uriboni)
importance: Undecided → High
status: New → Confirmed
Changed in unity-2d (Ubuntu):
status: New → Confirmed
Revision history for this message
Florian Boucault (fboucault) wrote :

Patch is committed and built into the daily PPA. Upload to Oneiric will happen soon.

Changed in unity-2d:
assignee: Ugo Riboni (uriboni) → Florian Boucault (fboucault)
milestone: none → 3.8.12
status: Confirmed → In Progress
Changed in unity-2d (Ubuntu):
status: Confirmed → In Progress
Revision history for this message
Didier Roche-Tolomelli (didrocks) wrote :

Fixed in metacity 2.34.0-0ubuntu2 in Oneiric

affects: unity-2d (Ubuntu) → metacity (Ubuntu)
Changed in metacity (Ubuntu):
status: In Progress → Fix Released
Changed in unity-2d:
status: In Progress → Fix Released
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