IRC log for #maemo-ssu on 20150430

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09:09.27*** topic/#maemo-ssu is Maemo Community Seamless Software Update "CSSU" channel, http://wiki.maemo.org/Community_SSU | Known bugs: http://j.mp/communityssu-bugs | Channel logs: http://mg.pov.lt/maemo-ssu-irclog/ | Sources: https://github.com/community-ssu | Latest version: Testing(2015-04-11): 21.2011.38-1Tmaemo11; Stable(2014-09-03): 21.2011.38-1Smaemo7
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20:08.37freemangordonmerlin1991: I am going to enable booster-qt in maemo-launcher, any objections?
20:09.29freemangordonwith that enabled, worldclock startup time is reduced by ~1sec
20:10.04freemangordonthe other qt apps that use launcher will have a similar reduction of startup times
20:37.52bencohfreemangordon: wait, does it work with hildon-desktop and other non-qt apps ?
20:54.33freemangordonbencoh: could you rephrase, I don;t get your question
20:57.05freemangordonbencoh: it does not remove support, just add support for qt application build with maemo-launcher support
20:57.33freemangordonso far it is worldclock only, but I plan to add support for calculator-ui as well
21:08.11xesfreemangordon: probably also OMP could use booster-qt.. right?
21:08.19freemangordonsure
21:09.00freemangordonbut even if without qt booster it will start faster if maemo-launcher support is added
21:11.05bencohfreemangordon: I thought hildon-desktop failed to start (?)
21:11.43xesabout calculator-ui: is there a setting somewhere to disable the screenshot appearing while the app is loading? (to avoid start pressing "fake" buttons)
21:12.22freemangordonxes: no
21:12.39freemangordonbencoh: that was with modifications
21:12.54freemangordonwith "stoc" qt-booster everything runs fime
21:13.01freemangordon*stock
21:13.11bencoh"stock", as in "empty module" ?
21:13.15freemangordonyes
21:13.39freemangordonbut enabling the booster-qt links maemo-launcher with qt libs
21:13.47bencohhmm
21:13.58freemangordonand that speeds things a bit :)
21:14.10bencohokay, so it's a bit faster when no other qt app is already running
21:14.25freemangordoneven if another qt app is already running
21:14.26bencohmeaning you wont gain anything if, let's say, OMP is running and you launch worldclock
21:14.45bencohwhy, if you only link against it and dont init anything from the lib ?
21:15.00freemangordonas symbols are already resolved
21:15.08bencohoh true
21:15.25bencohhm wait, arent they resolved globally by ld.so ?
21:16.22freemangordonI think it is a bit more complicated
21:16.40xesmore or less like with a prelink?
21:17.04freemangordonas it is not only the symbol resolution, remember ld.so need to fix the addresses as well
21:17.15freemangordoniiuc
21:19.55freemangordonxes: yep, something like that
21:20.50freemangordonthough it does more stuff, mostly in gtk - it calls xxx_get_type functions for a whole lot of gtk object classes
21:21.07freemangordonand also initializes cairo and pango
21:22.55bencohdo we still aim for a non-stub qt booster ?
21:23.08bencoh(with real qt chunks inside ?)
21:23.55freemangordonI guess it will speed thung even more, but not sure it is achievable. at least not easy :)
21:24.01freemangordon*things
21:24.32freemangordonthe problem is that qapplication is meant to be created only once in an application
21:25.00xesanyway, it's great and should give a nice kick to many apps
21:25.18freemangordonmaybe we should see wat applanucherd does
21:25.34freemangordon*applauncherd
21:26.54xesthis?  http://kunalmaemo.blogspot.it/2011/10/enabling-booster-support-for-qml.html
21:27.10bencohyeah, I was reading maemo-applauncherd (marmistrz's port of applauncherd) earlier today
21:27.43freemangordonhmm, https://lists.ubuntu.com/archives/ubuntu-devel/2013-June/037308.html
21:27.55bencohxes: this applauncherd, but not the qml part
21:27.58bencoh(at least, not yet :)
21:29.11bencohhmm
21:29.16bencohI dont really like the sound of it :(
21:32.09xeshe is the creator of oculo.... ...
21:34.42freemangordonbencoh: re non-stub booster http://mirror.thecust.net/meego_1.2_harmattan_developer_documentation/html/guide/html/qtboost.html
21:35.06freemangordonI guess we can't oversmart Nokia... though, who knows :)
22:38.06bencohfreemangordon: you mean ... "The booster provides the application with the key libraries already present in the process, but no other initialisations are done in the booster." ?
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