I think this is simply turned off in the kernel as the error suggests.
grep LATENCY /boot/config*
shows
# CONFIG_LATENCYTOP is not set
I doubt this will be turned on and your best bet is to recompile your
kernel or better perhaps look into newer methods of looking at linux
latency issues, this
The last commit in latencytop was in 2009
(https://www.openhub.net/p/latencytop/commits/summary), so it could be
that the project is dead.
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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apport information
** Tags added: apport-collected ec2-images xenial
** Description changed:
When running latencytop as root:
mount: none is already mounted or /sys/kernel/debug busy
Please enable the CONFIG_LATENCYTOP configuration in your kernel.
Exiting...
# uname -a
Linux f
** Package changed: linux-meta (Ubuntu) => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1624885
Title:
unable to run latencytop
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