Rafael.Vanoni wrote:

> Li, Aubrey wrote:
>> Rafael.Vanoni wrote:
>> 
>>> dtrace_time will be larger than the interval when the system was in
>>> a state for a period longer than the interval, and then
>>> transitioned to another.
>> 
>> This is already considered and implemented by per-cpu time_accounted.
>> 
>> 
>>> So I don't think moving the gethrtime() call will solve the
>>> problem. Maybe I'm missing something here..
>> 
>> I do. But after figure out what makes the duration negative, the
>> previous fix is acceptable to me.
> 
> Changing the script and checking for duration < 0 ?
> 
> Rafael

Yeah, it works properly.

-Aubrey

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