Public bug reported:
Powertop reports knotify4 generating many interrupts:
18.4% ( 92.2) knotify4 : schedule_timeout (process_timeout)
after attaching to the process with strace one can see:
stat("/home/mag/.kde4/share/config/kwin.notifyrc", {st_mode=S_IFREG|0600,
st_size=439, ...}) = 0
lseek(24, 439, SEEK_SET) = 439
stat("/home/mag/.kde4/share/config/kwin.notifyrc", {st_mode=S_IFREG|0600,
st_size=439, ...}) = 0
lseek(24, 439, SEEK_SET) = 439
stat("/home/mag/.kde4/share/config/kwin.notifyrc", {st_mode=S_IFREG|0600,
st_size=439, ...}) = 0
close(24) = 0
on every mouse move,every click etc
This is unnecessary utilizing battery on laptop systems
** Affects: kdebase-runtime (Ubuntu)
Importance: Undecided
Status: New
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knotify4 generating many interrupts
https://bugs.launchpad.net/bugs/216574
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