Re: [Meego-handset] [N900] Fennec pre-starting

Wed, 20 Apr 2011 11:14:38 -0700 

On 04/20/2011 01:56 AM, ext jeremias bosch wrote:
On 04/20/2011 10:48 AM, [email protected] <mailto:[email protected]> wrote: 

Hi,


Is there still work to be done regarding bug, 
https://bugs.meego.com/show_bug.cgi?id=8664?





First of all we are loading home page which is related to about:xxx 
protocol, and that protocol by default loaded in UI process, and if that 
page having some JS/network related content it might freeze browser UI, 
this is the reason why fennec typing does not work even if it is 
visible.... (about:firefox page has sync stuff, extensions checking et.c.)
I guess redirect to non-about: page will fix it, also if you load some 
local page like, /usr/share/fennec/home.html it is going to be much more 
responsive.



Second - fennec resizing on startup... not sure if it still the 
problem... but before I've seen some bunch of resize events.
it make sense to run oprofile on N900 meego and check what is the real 
reason of slow startup, on Android startup taking 3-5 second sometime 
even faster, on Harmattan it is 5 seconds (in 5 seconds you can type 
into url bar)


Br, Oleg



From a user point of view the issue is not only startup time, but the 
delay between UI appearing and being able to actually input URL. The 
whole process still takes way too much time, and led me to not 
demoing Fennec in MeeGo Summit for example even though I really 
wanted since there has been good progress lately.


Jukka


Hi,


no even on much much more powerful devices startup takes still up to 
10 seconds in worstcase. Its a systematical issue. Within android 
firefox bestcase startup time is around 3-5 seconds iirc.


- Jeremias


*From:*[email protected] 
<mailto:[email protected]> 
[mailto:[email protected]] *On Behalf Of *ext 
jeremias bosch

*Sent:* 20. huhtikuuta 2011 10:40
*To:* Hartikainen Vesa-Matti (Nokia-SD/Tampere)

*Cc:* [email protected] 
<mailto:[email protected]>; [email protected] 
<mailto:[email protected]>

*Subject:* Re: [Meego-handset] [N900] Fennec pre-starting

Hi


i do NOT recommend to do prestarting at all. It leads to all kind of 
trouble and issues.


The issues

  * device start taking longer,
  * constant memory consumption ending in question
  * how to avoid that fennec shows ui when prestarting
  * what happens when user actually close fennec.
  * constant usetime / cpu usage from fennec


We tried to adjust an extension we made once to work on meego. This 
extension was able to handle all this -
but we found that its not that simple with avoiding relations to 
libmeegotouch and so we did not

follow this path.

Again, i recommend you to NOT do prestarting.

Jeremias



On 04/20/2011 09:16 AM, [email protected] 
<mailto:[email protected]> wrote:


Hi,

     
  Carsten, was this with old fennec?
     
  Jeremias, is this still possible with new (current) fennec? Also, do we have enough memory in N900 to prestart fennec or are will the device be running low on memory if we do so? Any other issues in prestarting?
     
BR,

  Vesku

     
     
On 20.4.2011, at 9:49, ext Carsten Munk wrote:
     


    Hi,


         


    I had an item on my todo to describe how to do faststart/prestarting

    in Fennec. My old package is broken so can't just as easily make a

    patch but here's steps for someone to implement:


         


    Add to mozconfig.(x86, arm):


         


    ac_add_options --enable-faststart


         


    Add file fennec-faststart.desktop to package:


         


    [Desktop Entry]

    Name=Fennec faststart

    Exec=/usr/bin/fennec -faststart-hidden

    Terminal=False

    Type=Application


         


    In %install phase, SOURCE6 should be whatever SOURCEX

    fennec-faststart.desktop is.


         


    mkdir -p %{buildroot}/etc/xdg/autostart

    cp %{SOURCE6} %{buildroot}/etc/xdg/autostart/fennec-faststart.desktop


         


    and then in %files add:

    /etc/xdg/autostart/fennec-faststart.desktop


         


    .. and that's prestarting of Fennec, back in the version I had.


         


    /Carsten

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