This is still the case in Ubuntu 20.04:
$ cat /boot/config-5.11.0-27-generic | grep HZ_FULL
# CONFIG_NO_HZ_FULL is not set
This is problematic insofar as HZ_FULL is apparently useful for reliable
benchmarking (e.g. see https://vstinner.github.io/journey-to-stable-
benchmark-system.html).
Would
Would be nice to at least get a tickless kernel option without having to
compile my own every time it's updated, it's becoming a source of
frustration.
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https://bugs.launchpad
I used the default ubuntu desktop install (amd64 14.04) version
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1587265
I could not run it, as
test@test-ThinkCentre-M92P:~$ apport-collect 1587265
ERROR: connecting to Launchpad failed: [Errno 110] Connection timed out
You can reset the credentials by removing the file
"/home/test/.cache/apport/launchpad.credentials"
and also I am not sure if that report could coll
Did this issue start happening after an update/upgrade? Was there a
kernel version where you were not having this particular problem? This
will help determine if the problem you are seeing is the result of a
regression, and when this regression was introduced. If this is a
regression, we can perf
What specific kernel version had the problem? You can check with:
uname -a
The CONFIG_NO_HZ_FULL kernel param was turned off at some point between
trusty's 3.13 and xenial's 4.4, and without that kernel param enabled the
nohz_full boot param has no effect.
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