On Tue, 2006-03-14 at 22:42 -0600, Federico Mena Quintero wrote:
> Hi,
>
> I've been taking some more profiles of nautilus startup, and creating
> the menu bar for the desktop window takes around 1 second at login time.
> Of course, the desktop window has no visible menu bar :)
>
> Digging deeper, the culprit is this:
>
> nautilus_window_initialize_menus {
> ...
> if (!have_burn_uri ()) { <---- see below
> set_visible (NAUTILUS_ACTION_GO_TO_BURN_CD, FALSE);
> }
>
> have_burn_uri() takes between 0.5 and 1.0 seconds, depending on whether
> we get preempted in the middle. have_burn_uri() is expensive the first
> time, because it has to load libmapping.so in order to create a
> "burn:///" URI. In addition, it has to spawn mapping-daemon due to the
> module's initialization function. Given all the churn that happens
> during login, this can become really expensive, even with readahead
> files.
>
> Ideally, the desktop window shouldn't get a menubar/statusbar created
> for it at all. In the meantime, here's a simple patch to avoid calling
> have_burn_uri() for the desktop window. Is this OK to commit?
Yes. Please commit.
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Alexander Larsson Red Hat, Inc
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