El Tue, 13-10-2009 a las 22:57 -0600, Rob Savoye escribió: > Called from where ?
We couldn't find out, because symbols availability is a pre-requisite for dumping the call graphs. > I don't have oprofile setup on my other Fedora 11 machine. It's amazingly simple these days: just install the oprofile-gui rpm and then run "sudo oprof_start". Of course you also need to install the kernel-debuginfo and gnash-debuginfo. You probably also want glib-debuginfo and gtk-debuginfo. In oprof_start, enable call graphs and set the path to your elf vmlinux image (/usr/lib/debug/lib/modules/2.6.31.1-56.fc12.x86_64/vmlinux in my case). Now point Firefox at a YouTube video (or whatever you'd like to profile) and start the daemon. Let it collect stats for a few seconds, then stop everything and save. VERY IMPORTANT: remember to delete old collection data between each run because otherwise new data get *appended* to the old one, leading to very confusing behavior! > Memset() is often used to set a newly allocated buffer to zeros > to make debugging easier, but can also be a performance hog. How do we turn off this behavior? By defining NDEBUG? (I wonder if Fedora builds everything with -DNDEBUG compiler flag... it would buy a lot of performance in some cases). > When I build Gnash from source, I get debug symbols. So I can only > guess it's an issue with how the packages are built. Some experimental > RPM packages I built, includingg the debug info ones are at: > http://www.getgnash.org/packages/snapshots/fedora/. These I built using > my own gnash.spec file (which is checked into Gnash trunk). This is the > first time I've heard any issues about the lack of debug symbols in the > debuginfo packages. Me, I don't install packages except for my own for > testing, which I build myself. I think I got the debug symbols all right even from the Fedora rpm. The problem was just with oprofile... as if gnash did something that would break oprofile. Something like multi-threading, perhaps? > Try on which machine ? An XO 1.5, standard Fedora 11, or a Debian > machine ? I made a shot at compiling Gnash on an XO 1.5 machine, but get > too many dependency errors when trying to install the *-devel packages > Gnash needs. I assume I can build on my other Fedora 11 machine and just > copy the executables over like I used to do ? I've been doing these tests on a regular Lenovo laptop with a Core2Duo processor and a "regular" rawhide install. > Is the Gstreamer packages standard now, or are the I think they're standard. Most of the ugly customizations that OLPC did are finally gone. -- // Bernie Innocenti - http://codewiz.org/ \X/ Sugar Labs - http://sugarlabs.org/ _______________________________________________ Gnash-dev mailing list [email protected] http://lists.gnu.org/mailman/listinfo/gnash-dev
