[Bug 1584124] Re: revisit /etc/init.d/ondemand

[Martin Pitt]

So it seems we should make the "ondemand" init script a no-op if
/sys/devices/system/cpu/cpu0/cpufreq/scaling_driver contains
"intel_pstate", since in this case "ondemand" is worse than
"performance"?

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Title:
  revisit /etc/init.d/ondemand

Status in linux package in Ubuntu:
  Confirmed
Status in systemd package in Ubuntu:
  Triaged

Bug description:
  We've been carrying /etc/init.d/ondemand for many years. We should
  revisit if booting with a kernel that defaults to "ondemand" right
  away is still actually slower than "performance".

  In the short term, systemd should grow a "Type=idle" unit that
  switches to ondemand, to replace the static "1 minute" sleep. This
  will also get rid of the last init.d script in "initscripts" that we
  actually use, and pave the way for dropping the initscripts package.

  In the long term, we could drop it completely if "ondemand" DTRT.

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