Thanks Colin! So this confirms that we really should let the kernel be in "performance" during boot. But from https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1579278/comments/9 it actually sounds like we should leave it to "performance" all the time at least for processors which are ≤ 5 years old, as changing to "ondemand" is actually detrimental to power saving. So for those we don't need the init script at all, but if there's a simple way to tell apart these cases, then the init script could just not do anything on those newer processors, so that we can slowly phase this out.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. 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. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1584124/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
