** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1844201
Title:
turbostat is over constrained by dependencies
Status in linux package in Ubuntu:
Confirmed
Bug description:
For processors on which it works, turbostat is a very very good
diagnostic tool. For many upstream escalations, it is the preferred
tool. However the Ubuntu implementation doesn't actually execute
turbostat directly, but rather goes to some script with incredibly
tight, and unnecessary, kernel version dependency checks. This makes
it difficult when trying to help others when we want them to try a
newer or older kernel, and often we have to get them to override this
and use turbostat directly.
While turbostat is part of the kernel source tree, it does not depend on the
kernel version at all.
Here is an excerpt from a recent e-mail [1] from the turbostat maintainer:
> FWIW,
>
> The latest turbostat and x86_energy_perf_policy utilities
> in the upstream kernel tree should always be backward compatible
> with all old kernels. If that is EVER not the case, I want to know about
it.
>
> Yes, I know that some distros ship old versions of these utilities built
> out of their matching kernel tree snapshots.
> Yes, applying upstream fixes to .stable for such distros is a good thing.
>
> However, the better solution for these particular utilities, is that they
> simply always use upstream utilities -- even with old kernels.
>
> When somebody reports a problem and I need them to run these tools,
> 100% of the time, I start by sending them the latest upstream version
> to replace the old version shipped by the distro.
I have been using turbostat for several years, minus the Ubuntu part,
and never had a problem with any version of turbostat with any kernel.
This bug report is to request the deletion of the dependency check for
Ubuntu. I am not saying it always has to be the latest version, but it
should not be crippled by the dependency check.
[1] https://marc.info/?l=linux-pm&m=156770359620861&w=2
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