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

 

Note that with old cpu (Piv q9550) the cpufreq subdir does not exist (with or without cpufreq* installed).
So checking that path will always fails.

 ls /sys/devices/system/cpu/cpu0/
cache             driver         microcode  subsystem         uevent
crash_notes       firmware_node  node0      thermal_throttle
crash_notes_size  hotplug        power      topology

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https://bugs.launchpad.net/bugs/1584124

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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References