[systemd-bugs] [Bug 72816] Interaction between systemd and systemd-logind fails during reloads with many units

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72816

--- Comment #2 from David Strauss <david at davidstrauss.net> ---
This also causes heavy context-switching in systemd and DBus.

Linux 3.11.10-200.fc19.x86_64 (519149-11pod01.panth.io.pod1.panth.io)    
12/17/2013     _x86_64_    (24 CPU)

11:22:09 PM   UID      TGID       TID   cswch/s nvcswch/s  Command
[...]
Average:       81      1636         -    419.12      0.37  dbus-daemon
Average:       81         -      1636    419.12      0.37  |__dbus-daemon
[...]
Average:        0         1         -    645.82      0.09  systemd
Average:        0         -         1    645.82      0.09  |__systemd

That's a 10-second sample, and it's sustained for a long time when a few
reloads get queued.

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