polling of IDE CD-ROM drive at 10/second

John Reiser jreiser at BitWagon.com
Sat Jun 18 21:01:35 UTC 2005


By looking at /proc/interrupts, I see that there are 20 interrupts/second
on the IDE channel that has two empty CD-ROM drives (actually one CD and
one DVD) when running the GNOME desktop from a Workstation install of FC4.
[cat /proc/interrupts; sleep 10; cat /proc/interrupts ==> delta of 200]

Is there a setting to reduce the frequency to only 1/second per drive,
or to turn off polling completely?

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