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Subject: Re: [PATCH v3] printk: Add boottime and real timestamps
To: "Luis R. Rodriguez" <mcgrof@kernel.org>
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From: Prarit Bhargava <prarit@redhat.com>
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On 08/07/2017 01:14 PM, Luis R. Rodriguez wrote:

> 
> Note printk_late_init() is a late_initcall(). This means if the
> printk_time_setting was disabled it will take a while to enable it. Enabling it
> is done at the device_initcall(), so if printk setting is disabled but a user
> enables it with a toggle of the module param there is a period of time during
> which time resolution would be different. 

I'm not sure I follow your comment.  Could you elaborate with an example of
what you think is going wrong or might be confusing?

P.

> Perhaps for some this is not useful
> information but for others I think this would be very valuable.
> 
> There is also something to say about the time in between initializing access
> to ktime_get_mono_fast_ns(), how early is this reliable?
> 
> All these things could be mentioned on the documentation.
> 
>   Luis
>