linux-kernel - Re: [PATCH]drivers:base:power:trace.c Add "UTC" Coordinated Universal Time to the printk.

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Date:	Sun, 12 Jun 2011 15:29:32 -0700
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	Len Brown <lenb@...nel.org>
Subject: Re: [PATCH]drivers:base:power:trace.c Add "UTC" Coordinated Universal
 Time to the printk.

On 06/12/2011 01:27 PM, Rafael J. Wysocki wrote:
> On Sunday, June 12, 2011, Justin P. Mattock wrote:
>> On 06/12/2011 11:35 AM, Rafael J. Wysocki wrote:
>>> On Sunday, June 12, 2011, Justin P. Mattock wrote:
>>>> On 06/12/2011 05:12 AM, Rafael J. Wysocki wrote:
>>>>> Hi,
>>>>>
>>>>> On Thursday, June 09, 2011, Justin P. Mattock wrote:
>>>>>> From: "Justin P. Mattock"<justinmattock@...il.com>
>>>>>>
>>>>>> sounds stupid, but taking a glance at the time, and seeing the wrong time, or what seemed
>>>>>> wrong in dmesg, caused me to go into total check the time clock panic mode.. So the patch below adds:
>>>>>> "UTC" Coordinated Universal Time abreviation to the printk so people like me dont flip out over the time!
>>>>>>
>>>>>> before:
>>>>>> [    0.114915] Time:  1:47:03  Date: 06/09/11
>>>>>>
>>>>>> after:
>>>>>> [    0.114728] Time:  5:46:02 UTC Date: 06/09/11
>>>>>>
>>>>>> Signed-off-by: Justin P. Mattock<justinmattock@...il.com>
>>>>>
>>>>> I suspect the goal is to mark messages printed by the PM trace code so that
>>>>> they can be easily distinguished from messages from other sources to avoid
>>>>> confusion.  Why do you think it's a good idea to use the "UTC" string for
>>>>> this purpose?  The time printed in those messages need not be UTC.
>>>>>
>>>>> It would be better to simply print "RTC time: ..., date: ..." IMO.
>>>>>
>>>>> Thanks,
>>>>> Rafael
>>>>>
>>>>
>>>> well.. if thats better, then thats better.. over here(people that dont
>>>> know what RTC time is) would not get so confused with a simple UTC or
>>>> PDT or whatever the time zone is but if RTC is bettr, then its better.
>>>
>>> My point is we don't know this time is always UTC, so we rather shouldn't
>>> label it as UTC unconditionally, should we?
>>>
>>> Rafael
>>>
>>
>> sounds good to me!!
>
> I'm not sure what you mean?
>

with what you are saying "RTC" if anything.. rather than "UTC"
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