** Changed in: canonical-devices-system-image
Assignee: John McAleely (john.mcaleely) => (unassigned)
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to lxc-android-config in
Ubuntu.
https://bugs.launchpad.net/bugs/1496051
Title:
kswapd pegging cpu
Status in Canonical System Image:
Incomplete
Status in lxc-android-config package in Ubuntu:
Confirmed
Bug description:
while debugging bug 1491566
On arale, rc-proposed circa sept 14
I had launched phone, messaging, browser (on cnn.com), camera (taken pics),
gallery (edit mode of pic), clock, ubuntu-system-settings, cut-the-rope, dash
(of course) - toggling between them in the spread, just selecting them, mostly
clock, browser, gallery
and at the same time running the phone/text script as found in bug 1491566
(modified to text, call, then text 5 times)
I just happened to be running top and then noticed process
kswapd
would run & peg cpu intermittently, sometimes it would peg the cpu for just 1
second or so, but then sometimes it would appear to run at 95%+ for like 10
seconds or more.
It didn't seem to follow a particular pattern, but i could definitely tell it
was effecting the ui (stalling)
ogra indicated our swappiness should be very low.
so i did sudo sysctl vm.swappiness=10 as instructed, however as i continued
testing, i continued to see kswapd continue to run and peg the cpu at about the
same frequency.
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