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udev performance



For all of you who are bothered by the performance of udev:

I did some profiling, where udev spents its time... so here are the numbers:

Out of 3.63s of measured activity udev spent:

44.1% (1,6s) with /sbin/modprobe
13.3% (0,48s) with persistent-storage (mostly vol_id)
12% (0.44s) with 60-net.rules
10.5% (0.38s) with 90-alsa.rules
7% (0.25s) with pam_console (which will go away anyway)

Your numbers may vary because of different hardware.

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