[OpenWrt-Devel] Boot Time Reduction

[Koen Vandeputte]

1)
Your file shows awk is missing.
I would recommend adding it, as it's a common tool used by many scripts 
this can cause nasty side effects.

2)
Which target device is this?
Some targets with small flash build the kernel for size iso speed by 
default.

If you target is such one, you can run "make kernel_menuconfig" and 
optimize the kernel build for speed. (->General Setup)
This should improve boot-up speed a bit (at least on my boards)


Koen

On 2018-04-11 15:15, Arjav Parikh wrote:
> Hi,
>
> I want to reduce boot time in my product. I disabled all unnecessary 
> modules/libraries and scripts which get load at boot time.
> After this my boot time is approx 9 sec. I still want to further 
> reduce it.
>
> From debugs i identified 2 places where approx 1 sec is utilized 
> (total 2 sec).
> *a.* When preinit is called At *[    3.780354] init: - preinit - *and 
> before mounting file system at*[ 4.913811] UBIFS (ubi0:2): background 
> thread "ubifs_bgt0_2" started, PID 104
> b.* When ubus daemon is called At*[    5.828610] procd: - ubus - and 
> *before init process is called at*[ 6.864240] procd: - init -
> *Attached debugs file for reference.
>
> The delay highlighted in above two locations can be reduced or not?
>
> -- 
> Thanks & Regards,
> Arjav Parikh
>
>
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