Re: when is populate_rootfs called?

Hi Hubert

Thanks, I'll check it out and try using doxygen to build call graph on x86-6.

Regards, Jiahao XU

On Tue, Apr 6, 2021 at 6:06 PM Hubert CHAUMETTE
<[email protected]> wrote:
>
> Le 04/04/2021 16:11, Jiahao XU a écrit :
> > I am still totally confused at when is `populate_rootfs` called.
>
> Hi Jiahao,
> Have you tried enabling tracing (ftrace IIRC) in the kernel to figure
> that out?
> Another possibility is to use Doxygen's call graphs, make sure you
> restrict the
> analysis to minimum set of files you need (just remove all irrelevant
> architecures and driver directories from doxygen's input, or extract
> them from
> your kernel image. I did some experiments on the topic some time ago, it
> might
> prove useful:
> https://bitbucket.org/hchaumette/linux_doxygen/src/master/.
> Anyone interested can ask for access.)
>
> Hubert