[systemd-devel] Create complete dependency/boot organization map?

[Chris Bell]

On 2015-10-23 12:29, Tomasz Torcz wrote:
> On Fri, Oct 23, 2015 at 12:02:18PM -0400, Chris Bell wrote:
>> Hi all,
>> 
>> I was wondering, is there any way to create a complete
>> dependency/ordering map for my entire systemd system? Basically, I'd
>> like to be able to see, relatively clearly, what targets are reached 
>> and
>> when, what services are wanted/required by the target, and some
>> dependencies between services. A way to visualize the chain from
>> switch-root.target and default.target.
>> 
>> I know various functions exist to extract portions of the information 
>> I
>> need, and they can be used together to get a complete picture, but I
>> find it difficult to keep everything organized into something 
>> ultimately
>> useful. Is there a facility I'm missing? Or is this particular ability
>> too complex to be worth implementing?
> 
> 
>   Check "systemd-analyze dot".  If you pipe the output through "dot" 
> program,
> you will get graphical map similar to this:
> http://dżogstaff.pipebreaker.pl/2012.03.08-targets.png

Wow. It's not the prettiest thing I've seen, but it certainly does the 
job! Thanks!

--Chris