On Thu, Apr 23, 2020 at 10:29 AM Robert Nelson <robertcnel...@gmail.com> wrote: > > On Thu, Apr 23, 2020 at 7:42 AM <rpaulb...@gmail.com> wrote: > > > > I have done that, but I am perplexed with the results I posted – I think > > that was from a different unit as I have several in various states of > > development. From what I have read, the usb gadget takes most of the > > userspace time. On the one hand, I find it amazing that the startup > > scripts work for so many boards, but on the other hand I find their size > > and complexity daunting to tramps through and figure out. > > Hi Paul, > > What kernel are you using? > > Before our Spring 2020 release time, i had spent some time cleaning up > the boot script (and the kernel..) > > Have you tried the newer Spring 2020 "console" image? > > https://elinux.org/Beagleboard:Latest-images-testing#Debian_10_.28Buster.29_Console > > Out of the box, (2nd boot, as the 1st boot generates the ssh keys..) > > debian@beaglebone:~$ uname -r > 4.19.94-ti-r42 > > > debian@beaglebone:~$ systemd-analyze > Startup finished in 7.686s (kernel) + 29.068s (userspace) = 36.755s > graphical.target reached after 28.776s in userspace > > debian@beaglebone:~$ systemd-analyze blame > 21.211s generic-board-startup.service > 19.429s dev-mmcblk0p1.device > 3.214s systemd-udev-trigger.service > 2.649s loadcpufreq.service > 1.970s networking.service > 1.466s ssh.service > 1.387s systemd-logind.service > 1.318s systemd-journald.service > 1.261s systemd-timesyncd.service > 1.135s connman.service > 1.077s bb-wl18xx-wlan0.service > 835ms dnsmasq.service > 707ms cpufrequtils.service > 695ms wpa_supplicant.service > 644ms kmod-static-nodes.service > 642ms systemd-fsck-root.service > 626ms systemd-user-sessions.service > 611ms sys-kernel-debug.mount > 604ms systemd-update-utmp.service > 541ms systemd-remount-fs.service > 518ms user@1000.service > 478ms systemd-tmpfiles-setup.service > 457ms systemd-sysctl.service > 448ms rsyslog.service > 447ms systemd-modules-load.service > 411ms systemd-journal-flush.service > 389ms dev-mqueue.mount > 387ms systemd-sysusers.service > 381ms sys-fs-fuse-connections.mount > 361ms systemd-udevd.service > 337ms systemd-random-seed.service > 273ms sys-kernel-config.mount > 234ms systemd-tmpfiles-setup-dev.service > 223ms systemd-update-utmp-runlevel.service > 151ms ifupdown-pre.service > 125ms user-runtime-dir@1000.service > 94ms bb-wl18xx-bluetooth.service > > Looks like i forgot to disable* wl18xx on boot-up on the PocketBeagle.. > > https://github.com/RobertCNelson/boot-scripts/blob/master/boot/am335x_evm.sh#L892-L911 > > debian@beaglebone:~$ sudo systemctl disable bb-wl18xx-bluetooth.service > debian@beaglebone:~$ sudo systemctl disable bb-wl18xx-wlan0.service > > debian@beaglebone:~$ systemd-analyze > Startup finished in 7.669s (kernel) + 28.640s (userspace) = 36.310s > graphical.target reached after 28.363s in userspace > > debian@beaglebone:~$ sudo rm /boot/initrd.img-4.19.94-ti-r42 > > debian@beaglebone:~$ systemd-analyze > Startup finished in 1.355s (kernel) + 27.831s (userspace) = 29.187s > graphical.target reached after 27.564s in userspace > > debian@beaglebone:~$ systemd-analyze blame > 19.893s generic-board-startup.service > 19.072s dev-mmcblk0p1.device > 3.193s systemd-udev-trigger.service > 2.905s loadcpufreq.service > 1.898s networking.service > 1.427s ssh.service > 1.314s systemd-timesyncd.service > 1.159s systemd-journald.service > 1.043s systemd-logind.service > 929ms connman.service > 878ms cpufrequtils.service > 864ms dnsmasq.service > 830ms systemd-fsck-root.service > 699ms rsyslog.service > 608ms wpa_supplicant.service > 578ms systemd-user-sessions.service > 557ms sys-kernel-debug.mount > 506ms systemd-modules-load.service > 506ms user@1000.service > 467ms systemd-tmpfiles-setup.service > 465ms systemd-update-utmp.service > 452ms kmod-static-nodes.service > 399ms systemd-sysusers.service > 393ms systemd-journal-flush.service > 386ms systemd-sysctl.service > 345ms systemd-udevd.service > 341ms sys-kernel-config.mount > 322ms systemd-random-seed.service > 296ms dev-mqueue.mount > 284ms sys-fs-fuse-connections.mount > 258ms systemd-remount-fs.service > 203ms systemd-tmpfiles-setup-dev.service > 194ms systemd-update-utmp-runlevel.service > 152ms user-runtime-dir@1000.service > 113ms ifupdown-pre.service > > > There under 30 seconds, with more room to disable things. ;) > > If you kill "generic-board-startup.service" make sure you have a > usb-serial adapter plugged into the usart on the PocketBeagle's uart > pins, as the usb gadget will go away..
Side note, if you disable generic-board-startup.service, just have something else call: /bin/sh /opt/scripts/boot/am335x_evm.sh "after" startup, so your startup will show it booted fast, but then eventually the usb gadget could be loaded.. 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/CAOCHtYgbSTmFjwFaff13R4cOu03Nzx-PhV5ev8Nq2UhXvRuWCg%40mail.gmail.com.
