Subject: Re: [PATCH v5 09/11] trace: add high resolution timer function to debug performance issues

From: Karsten Blees <[email-masked]>
Date: Wed, 18 Jun 2014 17:14:31 +0200

Am 17.06.2014 18:44, schrieb Junio C Hamano:
> Karsten Blees <[email-masked]> writes:
> 
>> Am 11.06.2014 10:01, schrieb Karsten Blees:
>>> the epoch allows using the results (div 10e9) with other time-related APIs.
>>
>> s/10e9/1e9/
> 
> That replacement is fine but the "(div 1e9)" still wants to be
> clarified.  What did you exactly mean by that?  If the result is
> divided by 10^9 then it yields the number of seconds?
> 
> Thanks.
> 

Div 10^9 yields a time_t. But as not all time-related APIs use time_t, perhaps its best to drop the "(div 1e9)" altogether. That the function returns nanoseconds should be clear enough. Will drop in the next round.

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