On Sun, Sep 30, 2018 at 11:43 AM Paulo Sherring <pauloasherr...@gmail.com> wrote: > > Hi all! I am trying to get a machinekit image optimized for the least boot > time I can. > I am starting from the console image from here: > https://elinux.org/Beagleboard:BeagleBoneBlack_Debian#Stretch_Snapshot_console > After that, I install git, pull newer kernel update scripts and install ti-rt > 4.14 kernel, with the options --ti-rt-channel --lts-4_14 > After doing it, the boot time goes from 80 seconds - high enough already - to > 220+ seconds. > > dmesg output after updating: https://pastebin.com/U8cMQy32
Correct, "rt" in v4.14.x is slow.. i was able to very the first 250 or so patches in the RT patchset do not cause the slowdown.. However the remaining 250 or patches are not bisectable.. on a side note, i haven't seen the slow down with v4.18.x + rt.. Regards, -- Robert Nelson https://rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAOCHtYjbVReNJ%2Bu990TF8-zSu5s83frY6QmJ1qXLwEw5mLzX4A%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
