sTime := time.Now()
defer func() {
eTime := time.Now()
debug("Success for ", qname, "for", eTime.Sub(sTime))
}()
thanks, should be like this
Nanosecond() function just return int ( nano second in one second )
On Friday, November 25, 2016 at 4:39:50 PM UTC+8, Peter Wang wrote:
>
> you should use Sub function
> Time include two part. Nanosecond method just return field of nsec. not
> nanoseconds since from 1970
> type Time struct {
> // sec gives the number of seconds elapsed since
> // January 1, year 1 00:00:00 UTC.
> sec int64
> // nsec specifies a non-negative nanosecond
> // offset within the second named by Seconds.
> // It must be in the range [0, 999999999].
> nsec int32
> loc *Location
> }
>
> On Friday, November 25, 2016 at 3:38:23 PM UTC+8, Xu Lei wrote:
>>
>>
>> ......
>>
>> sTime := time.Now().Nanosecond()
>>
>>
>> defer func() {
>>
>>
>> eTime := time.Now().Nanosecond()
>>
>>
>> debug("Success for ", qname, "for", (eTime-sTime)/1000000)
>>
>>
>> }()
>>
>> ......
>>
>>
>> i got negative value for (eTime - sTime) when defer function calls
>>
>> is there any thing wrong for this ?
>>
>> i used to thought that eTime should be greater then sTime
>>
>
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