Thank you, this helped a lot, strace showed there was a background activity
looking for *gopackgesdriver *file. The problem was I had
packages.Load(nil, "std")
in one of my modules run in an init(). Changed this piece into on-demand logic
and now
real 0m0,010s
user 0m0,001s
sys 0m0,009s
воскресенье, 5 июля 2020 г., 3:45:34 UTC+3 пользователь Kurtis Rader
написал:
>
> On Sat, Jul 4, 2020 at 5:24 PM Denis Cheremisov <denis.c...@gmail.com
> <javascript:>> wrote:
>
>> I have a small app like
>>
>> func main() {
>> start := time.Now()
>> …
>> fmt.Println(time.Since(start))
>> }
>>
>> where output is ≈400μs but the actual time is about 0.16s, I mean....
>>
>
> I can't reproduce and since it is really rare to see anyone report
> something like this it is most likely a quirk of your system. Also, when
> reporting issues of this nature you should include the go version and
> information about the platform such as the OS. I would start by using
> `strace -ttt -o strace.out app-name` to see if there are any syscalls that
> are taking longer than expected. If that doesn't reveal an obvious culprit
> then the time is probably external to your program.
>
> --
> Kurtis Rader
> Caretaker of the exceptional canines Junior and Hank
>
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