Re: [perfmon2] Timestamps

[黃崇智 <edw...@gm...>]

2009/10/29 stephane eranian <er...@go...>

> On Tue, Oct 27, 2009 at 3:48 AM, 黃崇智 <edw...@gm...> wrote:
> >> hi,
> >> I want to ask :
> >> Can I get the timestamps at the beginning of the programs in sampling
> >> mode?
>
> No, you can't. One thing to know is that the timestamp is using
> sched_clock()
> in the kernel. I am sure there is a syscall to get to the same timing
> source.
>
> hi, stephane
> can I use the syscall sched_clock() at user space ?
>
> thanks,
> Edward
>
> >
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