Re: Think twice before moving to systemd

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On Thu, Aug 16, 2012 at 5:54 PM, Felipe Contreras
<felipe.contreras@xxxxxxxxx> wrote:
> On Thu, Aug 16, 2012 at 4:08 PM, John K Pate <j.k.pate@xxxxxxxxxxxx> wrote:
>> On Thu, 16 Aug 2012 15:16:31 +0200
>> Felipe Contreras <felipe.contreras@xxxxxxxxx> wrote:
>>
>>> On Wed, Aug 15, 2012 at 7:58 PM, Denis A. Altoé Falqueto
>>> <denisfalqueto@xxxxxxxxx> wrote:
>>> > This is so stupid that it's not even funny. You said that the problem
>>> > was having CONFIG_HZ=300 and systemd. I said it is not, because I also
>>> > have that situation and it works. So, your point is moot. I didn't say
>>> > you don't have a problem, but just that it may be not related to
>>> > CONFIG_HZ. I even sent you an article with ways on how to inspect the
>>> > behaviour of systemd, which was completely ignored.
>>>
>>> My problem with CONFIG_HZ exists
>>> independently of whether you experience the problem yourself or not.
>>
>> But it suggests that the problem is not *just* systemd and
>> CONFIG_HZ=300. I am, and many others are, running systemd with
>> CONFIG_HZ=300 fine.
>
> Show me two bootcharts, one with CONFIG_HZ_300=y, and another with
> CONFIG_HZ_1000=y. Then I will believe that you are running systemd
> fine. The other possibility is that you are just not noticing the
> problem.

Chalange accepted.

http://dl.dropbox.com/u/9222479/bootchart-arch-hz300.png

Bootchart of 20 seconds, with Arch stock kernel, CONFIG_HZ=300. You
can see that kdm is started in around 7 seconds after boot starts.

http://dl.dropbox.com/u/9222479/bootchart-ck-hz1000.png

Same length chart, with CK patchset kernel, from AUR package (some
problems compiling stock kernel with CONFIG_HZ=1000, not related to
systemd at all0. You'll be amazed to see kdm starting at around the
same time.

Happy now?

-- 
A: Because it obfuscates the reading.
Q: Why is top posting so bad?
For more information, please read: http://idallen.com/topposting.html

-------------------------------------------
Denis A. Altoe Falqueto
Linux user #524555
-------------------------------------------


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