Breadcrumbs

Boot Time

Measured the boot time of our default application (default BootProject in the CODESYS image) until the CODESYS IEC application is executed:

In the default image (without change) it is currently: 49s.
If we switch off a few features we get: 38s


Modification

Boot Time (s)

Config Steps

Default Image

48.877725

-

u-boot USB disabled
(if you not need backup/restore of images over usb)

43.603996

  1. Open SSH Connection

  2. Command: fw_setenv boot_devices mmc ubi

ntp disabled

(if you not need ntp server oder ntp client functions from the os)

42.802858

  1. Open SSH Connection

  2. Command: update-rc.d -f ntpd remove

  3. Command: sync

opcua disabled

(if you not need any opcua features)

41.047975

SystemWebConfig: CODESYS->App->opcua

systemwebconfig disabled

(if not need the systemwebconfig, or you can start it in the application, by calling shell command: service lighttpd start)

38.068113

  1. Open SSH Connection

  2. Command: update-rc.d -f lighttpd remove

  3. Command: sync