On Sat, 2007-10-27 at 11:06 +0300, Stefan Kost wrote: > Chris Rorvick schrieb: > > I'm attempting to profile GTK in an application and I'm wondering what > > methodology others use to accomplish this. Is there any documentation > > that addresses this topic that I should refer to? Any caveats worth > > pointing out? Here is where I'm at ... > > > > I recently upgraded an application using GTK 2.6 to use GTK 2.10, > > quickly followed by an upgrade to 2.12. In both cases, the upgraded > > version of the application consumed 3-5x the CPU as compared to the > > original version using 2.6. This comparison was done anecdotally using > > top on a Solaris workstation. > > > This is most likely caused by cairo. You should also see a bit less CPU usage > in > 2.12 compared to 2.10 (or more precise newer cairo should perform a bit > better). > Which version of cairo will cause this problem, more precise?
> > > > My first step was to have profiled versions of these libraries built in > > the hope that I could use them to isolate where the additional cycles > > were being burned. Several builds and profiled runs later, and after a > > fair amount of searching the Internet, I've concluded that I'll never > > get anything out of shared objects instrumented with GCC; all code to be > > profiled must be statically linked. If you know this to be untrue, > > please let me know! :) My plan now is to build static versions of all > > GTK libraries instrumented for profiling and link against those. > > > I would suggest to use a sampling profiler, like oprofile, sysprof, but all > those are linux profilers (they need a kernel module). But I am sure there a > sampling profilers for solaris too. The advantage is that you don't need to > recompile your apps (given you have debug symbols alreday) and it works with > shared libs too. > > Stefan > > > > FYI, Our platform is Solaris 10 (x86) compiling with GCC 3.4. > > > > Thanks in advance, > > > > Chris Rorvick > > _______________________________________________ > > gtk-app-devel-list mailing list > > gtk-app-devel-list@gnome.org > > http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list > > _______________________________________________ > gtk-app-devel-list mailing list > gtk-app-devel-list@gnome.org > http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
