[Bug 1885730] Re: Bring back ondemand.service or switch kernel default governor for pstate - pstate now defaults to performance governor

[Dan Streetman]

> In benchmarking we didn't observe much computational difference
between the too once the CPU is fully loaded. However, cranking up or
cranking down the load one will discover that the performance setting is
more responsive than powersave.

this is exactly the problem in production environments; workloads can be
'bursty' which can see not-insignificant performance reduction when
using powersave. Many enterprise users even go so far as to disable
C-states (and ASPM, and APST, etc...).

> It makes sense to default to powersave for most scenarios, especially
for laptop users.

for laptop users, yeah. I question if 'most scenarios' is accurate.

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Title:
  Bring back ondemand.service or switch kernel default governor for
  pstate - pstate now defaults to performance governor

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