https://bugs.kde.org/show_bug.cgi?id=391738

Michael Pyne <mp...@kde.org> changed:

           What    |Removed                     |Added
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                 CC|                            |mp...@kde.org

--- Comment #1 from Michael Pyne <mp...@kde.org> ---
There may be something here.  If you just grep for /sys/ in the uncompressed
log and remove the rest of the strace output you get 10k lines of syscalls:

 $ kde@midna ~ $ grep '\/sys\/' log.txt | cut -f 3- -d ' ' | wc -l
10896

If you replace the file names in quotes with a token file name and then remove
duplicates, there are only 18 types of syscalls made (and even these could be
further condensed with a bit more inspection):

 $ kde@midna ~ $ grep '\/sys\/' log.txt | cut -f 3- -d ' ' | sed -e 's,)
=.*$,),g' -e 's,"[^"]*",file,g' | sort | uniq | wc -l
18

These syscalls appear to be a sequence of syscalls involving a given file under
/dev, e.g.

/sys/devices/pci0000:00/0000:00:18.0
/sys/devices/pci0000:00/0000:00:18.0/ID_MEDIA_PLAYER
/sys/devices/pci0000:00/0000:00:18.0/subsystem
/sys/devices/pci0000:00/0000:00:18.0/uevent

I'm not sure what code is responsible for these calls though, or even if it's
KDE-related at all, which would be important in troubleshooting further.  It
could as well be in UDisks or some other distro-provided library, the strace
output is not limited to KDE-based code.

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