[bitbake-devel] [PATCH 11/11] Hob: improve recipe/package selection performance

[Xu, Dongxiao]

On Wed, 2012-03-14 at 12:37 -0700, Joshua Lock wrote:
> 
> On 14/03/12 02:26, Dongxiao Xu wrote:
> > Originally we will send selection chagned notification in each
> > include_item and exclude_item, which is time cost since these are
> > recursive functions and we may select hundreds of recipes/packages.
> >
> > The improvement is to move the notification from include_item and
> > exclude_item to the place where the two functions are called.
> > This could greatly improve the selection/deselection speed for recipe
> > and package lists.
> 
> Awesome! So instead of sending the change notification for each 
> included/excluded item with this change the signal will be sent once 
> when a set of changes are made. Right?

Yes, you are right. Now the signal only emits once where a bunch of
changes happen.

Thanks,
Dongxiao

> 
> >
> > Signed-off-by: Dongxiao Xu<dongxiao.xu at intel.com>
> 
> Signed-off-by: Joshua Lock <josh at linux.intel.com>
> 
> > ---
> >   lib/bb/ui/crumbs/hoblistmodel.py         |   10 +++-------
> >   lib/bb/ui/crumbs/packageselectionpage.py |    1 +
> >   lib/bb/ui/crumbs/recipeselectionpage.py  |    1 +
> >   3 files changed, 5 insertions(+), 7 deletions(-)
> >
> > diff --git a/lib/bb/ui/crumbs/hoblistmodel.py b/lib/bb/ui/crumbs/hoblistmodel.py
> > index edd61b5..caf31bc 100644
> > --- a/lib/bb/ui/crumbs/hoblistmodel.py
> > +++ b/lib/bb/ui/crumbs/hoblistmodel.py
> > @@ -216,8 +216,6 @@ class PackageListModel(gtk.TreeStore):
> >
> >           self[item_path][self.COL_INC] = True
> >
> > -        self.selection_change_notification()
> > -
> >           it = self.get_iter(item_path)
> >
> >           # If user explicitly selects a recipe, all its providing packages are selected.
> > @@ -276,8 +274,6 @@ class PackageListModel(gtk.TreeStore):
> >
> >           self[item_path][self.COL_INC] = False
> >
> > -        self.selection_change_notification()
> > -
> >           item_name = self[item_path][self.COL_NAME]
> >           item_rdep = self[item_path][self.COL_RDEP]
> >           it = self.get_iter(item_path)
> > @@ -343,6 +339,7 @@ class PackageListModel(gtk.TreeStore):
> >               else:
> >                   left.append(pn)
> >
> > +        self.selection_change_notification()
> >           return left
> >
> >       def get_selected_packages(self):
> > @@ -604,7 +601,6 @@ class RecipeListModel(gtk.ListStore):
> >           item_deps = self[item_path][self.COL_DEPS]
> >
> >           self[item_path][self.COL_INC] = True
> > -        self.selection_change_notification()
> >
> >           item_bin = self[item_path][self.COL_BINB].split(', ')
> >           if binb and not binb in item_bin:
> > @@ -642,8 +638,6 @@ class RecipeListModel(gtk.ListStore):
> >
> >           self[item_path][self.COL_INC] = False
> >
> > -        self.selection_change_notification()
> > -
> >           item_name = self[item_path][self.COL_NAME]
> >           item_deps = self[item_path][self.COL_DEPS]
> >           if item_deps:
> > @@ -703,6 +697,7 @@ class RecipeListModel(gtk.ListStore):
> >                   path = self.pn_path[pn]
> >                   self.include_item(item_path=path,
> >                                     binb="User Selected")
> > +        self.selection_change_notification()
> >
> >       def get_selected_image(self):
> >           it = self.get_iter_first()
> > @@ -724,3 +719,4 @@ class RecipeListModel(gtk.ListStore):
> >           self.include_item(item_path=path,
> >                             binb="User Selected",
> >                             image_contents=True)
> > +        self.selection_change_notification()
> > diff --git a/lib/bb/ui/crumbs/packageselectionpage.py b/lib/bb/ui/crumbs/packageselectionpage.py
> > index 0427fe2..4fb199e 100755
> > --- a/lib/bb/ui/crumbs/packageselectionpage.py
> > +++ b/lib/bb/ui/crumbs/packageselectionpage.py
> > @@ -206,6 +206,7 @@ class PackageSelectionPage (HobPage):
> >           else:
> >               self.package_model.exclude_item(item_path=path)
> >
> > +        self.refresh_selection()
> >           self.builder.window_sensitive(True)
> >
> >       def table_toggled_cb(self, table, cell, view_path, toggled_columnid, view_tree):
> > diff --git a/lib/bb/ui/crumbs/recipeselectionpage.py b/lib/bb/ui/crumbs/recipeselectionpage.py
> > index 234734c..50d4363 100755
> > --- a/lib/bb/ui/crumbs/recipeselectionpage.py
> > +++ b/lib/bb/ui/crumbs/recipeselectionpage.py
> > @@ -202,6 +202,7 @@ class RecipeSelectionPage (HobPage):
> >           else:
> >               self.recipe_model.exclude_item(item_path=path)
> >
> > +        self.refresh_selection()
> >           self.builder.window_sensitive(True)
> >
> >       def table_toggled_cb(self, table, cell, view_path, toggled_columnid, view_tree):
>