2016-07-13 20:36 GMT+02:00 Thiago Macieira <thiago.macie...@intel.com>: > Em quarta-feira, 13 de julho de 2016, às 20:14:06 PDT, Elvis Stansvik > escreveu: >> Alright, I sort of suspected that was the case. But I realize now that >> it's much better I read up on what each plugin does and determine if I >> need it, instead of trying to deduce it from stracing. > > Another detail about strace: the plugins may be scanned for metadata very > early on, much earlier than when they're actually loaded. And even those that > are loaded may never be actually used, like some image formats. > > You can use QT_DEBUG_PLUGINS=1 to get some debugging output from QLibrary > about whether it's scanning and which ones it actually loads. You can also use > LD_DEBUG=libs (or "files") to get the Linux dynamic loader to tell you what it > is really loading, and even why. Though the "why" is useless for plugins > loaded via QLibrary, because they will all show up as "loaded by QtCore". > > You may be able to detect an open(2) call by QLibrary vs an open(2) call by > ld-linux.so in your strace by the flags that each one uses or the calls done > immediately after. Exercise left to the reader.
Ah, thanks for the info. Elvis > > -- > Thiago Macieira - thiago.macieira (AT) intel.com > Software Architect - Intel Open Source Technology Center > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest
