[systemd-devel] systemd: questions about dbus dependency service

[Pintu Agarwal]

Hi,

I need some clarification about systemd services that are dependent on dbus
service.

We have a service that depends on dbus.service, so our service has to be
started after dbus.socket and dbus.service.
But dbus.service comes after local-fs.target and sysinit.target.
However, our service needs to be started very early on boot-up, maybe
within local-fs target itself, otherwise it is causing regression in our
boot KPI.

How can we solve this issue in the most efficient way?

We are using Linux Kernel 5.15 with arm64 and a high speed quad-core
processor.
Also, the storage type is NAND with limited speed (12.5 MBPS).
The filesystem is UBI + squashfs volumes.

Thanks,
Pintu
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