linux-kernel - Re: is kernel slower at loading for some hardware ?

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Date:	Tue, 5 May 2015 00:20:31 +0100
From:	linux cbon <linuxcbon@...il.com>
To:	Frans Klaver <fransklaver@...il.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: is kernel slower at loading for some hardware ?

On Mon, May 4, 2015 at 8:50 AM, Frans Klaver <fransklaver@...il.com> wrote:
> On Mon, May 4, 2015 at 7:21 AM, linux cbon <linuxcbon@...il.com> wrote:
>> Hi,
>> during boot up, I am trying to find where the kernel takes more time
>> to do actions (is slower ?).
>> I looked at dmesg and found some places where it takes more time, but
>> not sure if this is normal :
(.......)
> All hardware is different and therefore initialization time can be
> different per component. Besides that, you're looking at something
> that depends on how verbose the driver's logs are. It may well be that
> the kernel is doing a lot of work, but just doesn't output anything
> that clears the minimum log level.
> Frans


Hi Frans,
I would like to have the maximal verbose logs,
can you please tell me what is the way to achieve this ?
And do you know the best way to find out where the kernel
is getting slow and is having problems ?
Thanks for your help.
Linuxcbon
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