Speed sensation
Jaime Torres
jtorres at sia.es
Wed Apr 23 18:57:14 CEST 2003
> The following command
> strace -tt -f -ff -o /tmp/kde.strace startkde
> provides some insight in what happens and can be helpful in
> identifying obvious braindamage.
I've run this command, just start a kde session and close the session.
* 1: There are some files that are opened using the O_LARGEFILE and others
that could be larger does not uses the O_LARGEFILE.
examples:
open("/root/.qt/.qtrc.lock", O_RDWR|O_CREAT|O_LARGEFILE, 0600) = 4
open("/root/.qt/qtrc", O_RDONLY|O_LARGEFILE) = 5
open("/root/.kde/share/config/kdeglobals", O_RDONLY|O_LARGEFILE) = 9
open("/usr/kde31/share/config/kdebugrc", O_RDONLY|O_LARGEFILE) = 9
open("/usr/kde31/share/config/kdebug.areas", O_RDONLY|O_LARGEFILE) = 9
open("/usr/kde31/share/locale/es/LC_MESSAGES/kdelibs.mo", O_RDONLY) = 9
should all the open() have the O_LARGEFILE ?
* 2: I've seen that the slowest process takes only 4 seconds, but there are
more than 400
processes in my normal startup.
Regards.
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